TEMIC U211B2/B3 DATA SHEET
Contents
1. oroxe a D D e e SOUP Y Bly Ly e A6 im Av a v vis o O 001 A0s7 e JU OST OL AND amp ge OATI Oly OX9I xew 7 O p ds jag A tly an 0cc Ey um p ds ae AN R I e 88901 S6 Figure 27 Speed control max load control with reflective opto coupler CNY70 as emitter TELEFUNKEN Semiconductors 18 20 Rev A1 29 May 96 TEMIC Semiconductors U211B2 B3 The circuit is designed as a speed control on the reflection coupled principle with 4 periods per revolution and a max speed of 30 000 rpm The separation of the coupler from the rotating aperture should be 1 mm approximately In this experimental circuit the power supply for the coupler was provided externally because of the relatively high current consumption Dimensions in mm Package DIP18 U211B2 Instructions for adjusting 6 15 4 13 12 In the initial adjustment of the phase control circuit R should be adjusted so that when R44 O and R3 are in min position the motor just turns The speed can now be adjusted as desired by means of R3 between the limits determined by R43 and R14 The switch off power of the limit load control can be set by Ro The lower Ro the higher the switch off power technical drawings according to DIN 94 8877 specifications technical drawings accord2. Parameters Component affected Rio Ro Co Pmax increases decreases n e Pinin increases decreases n e Pmax min increases n e n e ta n e decreases increases tr n e increases increases Pmax maximum continuous power dissipation Pi fmn z 0 Pmin power dissipation with no rotation Pi fyn o0 ta operation delay time tr recovery time ne no effect Pulse Output Stage General Hints and Explanation of Terms The pulse output stage is short circuit protected and can typically deliver currents of 125 mA For the design of smaller triggering currents the function Jor f Rgr has been given in the data sheets in the appendix Automatic Retriggering The variable automatic retriggering prevents half cycles without current flow even if the triac is turned off earlier e g due to a collector which is not exactly centered brush lifter or in the event of unsuccessful triggering If it is necessary another triggering pulse is generated after a time lapse which is determined by the repetition rate set by resistance between Pin 5 and Pin 3 Rs5 3 With the maximum repetition rate Pin 5 directly connected to Pin 3 the next attempt to trigger comes after a pause of 4 5 tp and this is repeated until either the triac fires or the half cycle finishes If Pin 5 is connected then only one trigger pulse per half cycle is generated Because the value of R5 3 determines the charging current of C any
3. IL Q Load Current o Figure 6 Explanation of terms in phase relationship Design Calculations for Mains Supply The following equations can be used for the evaluation of the series resistor R4 for worst case conditions P V Mmin V smax Nu ez V smin R imax 0 85 2 Trot R imin m 2 Is P V Mmax V smin Rlmax 2 R where V Mains voltage Vs Supply voltage on Pin 3 kot Total DC current requirement of the circuit Is Ih k Ismax Current requirement of the IC in mA Ip Average current requirement of the triggering pulse Ix Current requirement of other peripheral components R can be easily evaluated from the figures 20 to 22 TELEFUNKEN Semiconductors Rev Al 29 May 96 7 20 U211B2 B3 TEMIC Semiconductors Absolute Maximum Ratings Reference point Pin 2 unless otherwise specified Parameters Symbol Value Unit Current requirement Pin 3 Is 30 mA t 10 us is 100 Synchronization current Pin1 Isynel 5 mA Pin 17 syncV 2 t lt 104s Pinl Ti 35 t lt 10us Pin 17 ti 35 f V converter Pin 8 Input current Ij 3 mA t lt 10 us Fi 13 Load limiting Pin 14 Limiting current neg half wave Ij 5 mA t lt 10 us 35 Input voltage Pin 14 tV 1 V Pin 15 VI Vig lto 0 Phase control Input voltage Pin 12 Ni 0 to 7 V Input current Pin 12 Xl 500 LA Pin 6 l 1 mA Soft star
4. The converter is based on the charge pumping principle With each negative half wave of the input signal a quantity of charge determined by Cs is internally amplified and then integrated by Cg at the converter output on Pin 10 The conversion constant is determined by Cs its charge transfer voltage of Ven Re Pin 10 and the internally adjusted charge transfer gain k G X C5 X Ro X Veh The analog output voltage is given by Vozsk f The values of C5 and Cg must be such that for the highest possible input frequency the maximum output voltage Vo does not exceed 6 V While Cs is charging up the R on Pin 9 is approx 6 7 kQ To obtain good linearity of the f V converter the time constant resulting from Ri and C5 should be considerably less 1 5 than the time span of the negative half cycle for the highest possible input frequency The amount of remaining ripple on the output voltage on Pin 10 is dependent on C5 Ce and the internal charge amplification Gi X Va X C3 AVo o Ce The ripple AV can be reduced by using larger values of Ce However the increasing speed will then also be reduced The value of this capacitor should be chosen to fit the particular control loop where it is going to be used Pulse Blocking The output of pulses can be blocked using Pin 18 standby operation and the system reset via the voltage monitor if Vig2 1 25 V After cycling through the switching point hysteresis the output is released when
5. 35 2 0 mA Pin 17 Isyncv 0 35 2 0 Voltage limitation I 5mA Pins 1 and 17 VI 1 4 1 6 1 8 V Reference ramp figure 7 Charge current I f Ro Rg250kto1MQO Pin7 r 1 20 LA R reference voltage a gt 180 C Pins 6 and 3 VoRef 1 06 1 13 1 18 V Temperature coefficient Pin 6 TCvoRef 0 5 mV K Pulse output figure 18 Pin 4 Output pulse current Rgr 20 Vgr2 12V Io 100 155 190 mA Reverse current Tor 0 01 3 0 LA Output pulse width Co 10 nF tp 80 us Amplifier Common mode signal range Pins 10 and 11 Vio 11 Nie 1 V Input bias current Pin 11 lio 0 01 1 LA Input offset voltage Pins 10 and 11 Num 10 mV Output current Pin 12 lo 75 110 145 LA lo 88 120 165 Short circuit forward Figure 14 transmittance 12 f Vio 11 Pin 12 Ye 1000 uA V Pulse blocking tacho monitoring Pin 18 Logic on VTON 3 7 1 5 V Logic off VTOFF 1 25 1 0 Input current Vig VrorFF 1 25 V Ii 0 3 1 LA Vig V16 14 5 Output resistance Ro 1 5 6 10 kQ TELEFUNKEN Semiconductors 9 20 Rey Al 29 May 96 U211B2 B3 TEMIC Parameters Test Conditions Pins Symbol Min Typ Max Unit Frequency to voltage converter Pin 8 Input bias current HB 0 6 2 LA Input voltage limitation Figure 13 Ijz 1mA Ni 660 750 mV Ijz41 mA V 7 25 8 05 V Turn on threshold VTON 100 150 mV Turn off threshold VTOFF 20 50 mV Charge amplifier Discharge current Figu
6. 2 B3 TEMIC Semiconductors A 95 10272 No t D to ttot La Figure 4 Soft start ti build up of supply voltage t2 charging of C3 to starting voltage ti t dead time t3 run up time ttt total start up time to required speed C3 is first charged up to the starting voltage Vo with typical 45 uA current t2 By then reducing the charging current to approx 4 uA the slope of the charging function is substantially reduced so that the rotational speed of the motor only slowly increases The charging current then increases as the voltage across C3 increases giving a progressively rising charging function which accelerates the motor more and more strongly with increasing rotational speed The charging function determines the acceleration up to the set point The charging current can have a maximum value of 55 uA Frequency to Voltage Converter The internal frequency to voltage converter f V converter generates a DC signal on Pin 10 which is proportional to the rotational speed using an AC signal from a tacho generator or a light beam whose frequency is in turn dependent on the rotational speed The high impedance input Pin 8 compares the tacho voltage to a switch on threshold of typ 100 mV The switch off threshold is given with 50 mV The hysteresis guarantees very reliable operation even when relatively simple tacho generators are used The tacho frequency is given by
7. C transitional substances respectively TEMIC can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances We reserve the right to make changes to improve technical design and may do so without further notice Parameters can vary in different applications All operating parameters must be validated for each customer application by the customer Should the buyer use TEMIC products for any unintended or unauthorized application the buyer shall indemnify TEMIC against all claims costs damages and expenses arising out of directly or indirectly any claim of personal damage injury or death associated with such unintended or unauthorized use TEMIC TELEFUNKEN microelectronic GmbH P O B 3535 D 74025 Heilbronn Germany Telephone 49 0 7131 67 2831 Fax number 49 0 7131 67 2423 20 20 TELEFUNKEN Semiconductors Rev Al 29 May 96
8. Figure 1 Block diagram Pins in brackets refer to SO16 Pins 5 and 18 connected internally TELEFUNKEN Semiconductors Rev Al 29 May 96 1 20 TEMIC Semiconductors e e e e S M AOI l xosuas poods e MEE zz E W Ce erior E RL 7 dul AU OTZ Ar dun A OTT aseyon s 8 p OIN C d 9 o 9 p ds yem y l 7 aE EF 6 19601 S6 H Occ Oe 8 6 el cl PAA 3 A 5 A Vis jog urs juormo Buryoo q sa poronuoo A91 i np Burojuou b e IFEA p ronuo oy GW oun p ds SUNOA uoneyw pLOT OO JOUJIBJIA G11 01 See 0A 2 b i SUOA m K ddng run 0 rjuoo aseud dif A9I aT cc Joni dure O0 3u07 Rev A1 29 May 96 TELEFUNKEN Semiconductors U211B2 B3 l l l WEED l 5 081 SULIOSSINOI 10 0 p bly A OEZ ongwony juan o8e3 OA WA e 9cc A OIL oSeipo SIN l p ds yas bi l T Ely ism MUT ER I MT al l lt OASI T a SE iori e e e Figure 2 Speed control automatic retriggering load limiting soft start 2 20 TEMIC Semiconductors U211B2 B3 Description Mains Supply The U211B2 is fitted with voltage limiting and can therefore be supplied directly from the mains The supply voltage between Pin 2 pol L and Pin 3 builds up across Di and R and is smoothed by Cy The value of the series resistance can be approximated using see figure 2 p
9. TEMIC Semiconductors U211B2 B3 Phase Control Circuit General Purpose Feedback Description The integrated circuit U211B2 B3 is designed as a phase control circuit in bipolar technology with an internal fre quency voltage converter Furthermore it has an internal control amplifier which means it can be used for speed regulated motor applications Features e Internal frequency to voltage converter e Externally controlled integrated amplifier e Overload limitation with a fold back characteristic e Optimized soft start function Tacho monitoring for shorted and open loop e Automatic retriggering switchable ws Voltage Current detector Control 11 10 Su amplifier Load limitation speed time 15 14 controlled It has an integrated load limitation tacho monitoring and soft start functions etc to realize sophisticated motor control systems e Triggering pulse typ 155 mA e Voltage and current synchronization e Internal supply voltage monitoring Temperature reference source e Current requirement lt 3 mA DIP18 U211B2 SO16 U211B3 Package Automatic retriggering Phase control unit q f V12 Supply voltage limitation Reference voltage controlled current sink VRef Soft start Voltage monitoring Pulse blocking tacho monitoring Frequency to voltage k converter 18 12 11 13 12 95 10360
10. The current sensor on Pin 1 ensures that for operations with inductive loads no pulse will be generated in a new half cycle as long as a current from the previous half cycle is still flowing in the opposite direction to the supply voltage at that instant This makes sure that gaps in the load current are prevented The control signal on Pin 12 can be in the range OV to 7 V reference point Pin 2 If Vi 2 7 V then the phase angle is at maximum Omax i e the current flow angle is a minimum The phase angle lmin 18 minimum when V12 V2 Voltage Monitoring As the voltage is built up uncontrolled output pulses are avoided by internal voltage surveillance At the same time all of the latches in the circuit phase control load limit regulation soft start are reset and the soft start capacitor is short circuited Used with a switching hysteresis of 300 mV this system guarantees defined start up behavior each time the supply voltage is switched on or after short interruptions of the mains supply Soft Start As soon as the supply voltage builds up tj the integrated soft start is initiated The figure below shows the behaviour of the voltage across the soft start capacitor and is identical with the voltage on the phase control input on Pin 12 This behaviour guarantees a gentle start up for the motor and automatically ensures the optimum run up time TELEFUNKEN Semiconductors Rev A1 29 May 96 3 20 U211B
11. Vig 1 5 V followed by a soft start such as that after turn on Monitoring of the rotation can be carried out by connecting an RC network to Pin 18 In the event of a short or open circuit the triac triggering pulses are cut off by the time delay which is determined by R and C The capacitor C is discharged via an internal resistance Rj 2 kQ with each charge transfer process of the UN converter If there are no more charge transfer processes C is charged up via R until the switch off threshold is exceeded and the triac triggering pulses are cut off For operation without trigger pulse blocking or monitoring of the rotation Pins 18 and 16 must be connected together n T f 60 p Hz where n revolutions per minute p number of pulses per revolution 4 20 TELEFUNKEN Semiconductors Rev A1 29 May 96 TEMIC Semiconductors U211B2 B3 95 10363 Figure 5 Operation delay Control Amplifier Figure 2 The integrated control amplifier with differential input compares the set value Pin 11 with the instantaneous value on Pin 10 and generates a regulating voltage on the output Pin 12 together with the external circuitry on Pin 12 which always tries to hold the actual voltage at the value of the set voltages The amplifier has a transmittance of typically 1000 LA V and a bipolar current source output on Pin 12 which operates with typically 110 uA The amplification and frequency response are determined b
12. es as soon as the voltage at Pin 15 reaches ca 6 8 V Reference point Pin 16 The potential at Pin 15 is lifted and kept by R44 over the internally operating threshold whereby the maximum load regulation starts and adjusts the control unit constantly to Qmax Io inspite of a reduced load current The motor shows that the circuit is still in operation by a quiet buzzing noise TELEFUNKEN Semiconductors Rev A1 29 May 96 15 20 TEMIC U211B2 B3 4 MI Josuas poedg Guirxez y e E D e Ac e l aigo pe l l l l AY N ear o l l l l l L A OET ko fi Oly e O I IBeoA p ds yas Pip OSC l y S9 01 S6 Figure 25 Speed control automatic retriggering load limiting soft start tacho control TELEFUNKEN Semiconductors 16 20 Rev Al 29 May 96 TEMIC Semiconductors U211B2 B3 Sly uonn oAoz s sinq LO AS OYS TOOTNI Occ v 48901 S6 DOL z Hy loo OL ANO xeu p ds yas tly Co WEEN uru p ds jos Shy JU OCC A OET Figure 26 Speed control with reflective opto coupler CNY70 as emitter 17 20 TELEFUNKEN Semiconductors Rev Al 29 May 96 TEMIC U211B2 B3
13. ey VE Further information regarding the design of the mains supply can be found in the data sheets in the appendix The reference voltage source on Pin 16 of typ 8 9 V is derived from the supply voltage and is used for regulation Operation using an externally stabilised DC voltage is not recommended If the supply cannot be taken directly from the mains because the power dissipation in Rj would be too large then the circuit shown in the following figure 3 should be used 24 V 95 10362 Figure 3 Supply voltage for high current requirements Phase Control There is a general explanation in the data sheet TEA1007 on the common phase control function The phase angle of the trigger pulse is derived by comparing the ramp voltage which is mains synchronized by the voltage detector with the set value on the control input Pin 12 The slope of the ramp is determined by C and its charging current The charging current can be varied using R on Pin 6 The maximum phase angle max can also be adjusted using R When the potential on Pin 7 reaches the nominal value predetermined at Pin 12 then a trigger pulse is generated whose width tp is determined by the value of C the value of C2 and hence the pulse width can be evaluated by assuming 8 us nF At the same time a latch is set so that as long as the automatic retriggering has not been activated then no more pulses can be generated in that half cycle
14. ing to DIN specifications 94 8875 TELEFUNKEN Semiconductors Rev A1 29 May 96 19 20 U211B2 B3 TEMIC Ozone Depleting Substances Policy Statement It is the policy of TEMIC TELEFUNKEN microelectronic GmbH to 1 Meet all present and future national and international statutory requirements 2 Regularly and continuously improve the performance of our products processes distribution and operating systems with respect to their impact on the health and safety of our employees and the public as well as their impact on the environment It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances ODSs The Montreal Protocol 1987 and its London Amendments 1990 intend to severely restrict the use of ODSs and forbid their use within the next ten years Various national and international initiatives are pressing for an earlier ban on these substances TEMIC TELEFUNKEN microelectronic GmbH semiconductor division has been able to use its policy of continuous improvements to eliminate the use of ODSs listed in the following documents 1 Annex A B and list of transitional substances of the Montreal Protocol and the London Amendments respectively 2 Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental Protection Agency EPA in the USA 3 Council Decision 88 540 EEC and 91 690 EEC Annex A B and
15. ion see and T which ignites when the voltage at Pin 15 reaches figure 2 but when reaching the maximum load the typ 7 4 V Reference point Pin 16 The circuit is thereby motor is switched off completely switched into the stand by over the release Pin 18 14 20 TELEFUNKEN Semiconductors Rev A1 29 May 96 TEMIC Semiconductors U211B2 B3 a Je Q ag T as XI BS xl g 2 ler s e Il 9 L e d o 8 2 m ol E g amp E c qe 3 2 Ja a D R H 5 e L 1 hd 5 g e e e g D 9 S zil LO mEm um g 77 a Q e e Iz e Si 1 Oo if l D a l a l gt WE l KEE l a l 3 Va a J I l EZ l 2 a a l ec emo as IS i t S e D e a lar Sa a ge LIS a en 3 en aa DIE e 16 L3 i c ER l A D pO l 9H E 14 S R v k e e Te z Ge lt x Ka uns Sa x D ci j CI L x d D ZS i x AO 2 Z N Figure 24 Speed control automatic retriggering load switch off soft start The maximum load regulation shows the principle in the same speed dependency as the original version see figure 2 When reaching the maximum load the control unit is turned to Omax adjustable with Ra Then only Io flows This function is effected by the thyristor formed by T and T which ignit
16. oad sinks below the o momentum set using R40 then Vis will be reduced V12 can then in crease again so that the phase angle is reduced A smaller phase angel corresponds to a larger momentum of the mo tor and hence the motor runs up as long as this is allowed by the load momentum For an already rotating machine the effect of rotation on the measured current integral ensures that the power dissipation is able to increase with the rotational speed the result is a current controlled accelleration run up which ends in a small peak of accel leraton when the set point is reached The latch of the load limiting is simultaneously reset The speed of the motor is then again under control and it is capable of carrying its full load The above mentioned peak of accelleration depends upon the ripple of actual speed voltage A large amount of ripple also leads to a large peak of accelleration The measuring resistor Rg should have a value which ensures that the amplitude of the voltage across it does not exceed 600 mV TELEFUNKEN Semiconductors Rev A1 29 May 96 5 20 U211B2 B3 TEMIC Semiconductors Design Hints Practical trials are normally needed for the exact determination of the values of the relevant components in the load limiting To make this evaluation easier the following table shows the effect of the circuitry on the important parameters of the load limiting and summarises the general tendencies
17. oft Start 80 f V Converter Active Reference Point Pin 16 60 T 40 20 0 95 10304 Vi3 V Figure 9 gt f V Conve Reference 95 10305 t f c3 Figure 10 Soft Start f V Converter A Reference Point gt 95 10306 t f c3 Figure 11 95 10307 10 Soft Start 8 Reference Point Pin 16 6 s 4 2 0 t f c3 Motor Standstill Dead Time Motor in Action Figure 12 TELEFUNKEN Semiconductors Rev Al 29 May 96 11 20 U211B2 B3 TEMIC Semiconductors 500 200 Ve eg Load Limit Control 250 150 SS Reference Point Pin 2 p lt ES 0 A 100 ez x 250 50 500 0 10 8 6 4 2 0 2 4 95 10308 Vg V 95 10311 V 0 6 V Figure 13 Figure 16 250 100 Load current detection Control Amplifier 200 50 a lt t 150 We d e e il m 400 50 50 100 L Reference Point for liz 4V 0 300 200 100 0 100 200 300 0 100 200 300 400 500 600 700 95 10309 Vio ii CV 95 10312 Vigo mV Figure 14 Figure 17 200 Load Limit Control Pulse Output 150 lt lt ES E 100 a 2 T 50 0 0 200 400 600 800 1000 95 10310 Vis 16 V 95 10313 Retr 2 Figure 15 Fig
18. re 2 C5 1nF Lu 0 5 mA Pin 9 Charge transfer voltage Pins 9 to 16 Veh 6 50 6 70 6 90 V Charge transfer gain 10 19 Pins 9 and 10 Gi 7 5 8 3 9 0 Conversion factor Figure 2 Cs 1 nF Re 100 kO K 5 5 mV Hz Output operating range Pins 10 to 16 Vo 0 6 V Linearity 1 Soft start figures 8 9 10 11 12 f v converter non active Starting current Vi3 V16 Vg V2 Pin 13 Io 20 45 55 LA Final current V13 2 0 5 Pin 13 50 85 130 f v converter active Starting current V13 V16 Pin 13 lo 2 4 7 LA Final current V13 2 0 5 30 55 80 LA Discharge current Restart pulse Pin 13 lo 0 5 3 10 mA Automatic retriggering figure 19 Pin 5 Repetition rate R53 0 tpp 3 4 5 6 tp R5 3 15 kO 20 Load limiting figures 15 16 17 Pin 14 Operating voltage range Pin 14 Vi 1 0 1 0 V Offset current Vio 2 Nie Pin 14 Io 5 12 Vi4 V2 vial KQ uA Pin 15 16 0 1 1 0 Input current Vig 4 5V Pin 14 Ij 60 90 120 Output current Via 300 mV Pin 15 16 lo 110 140 Overload ON Pin 15 16 VTON 7 05 7 4 7 7 V 10 20 TELEFUNKEN Semiconductors Rev A1 29 May 96 TEMIC Semiconductors U211B2 B3 240 Phase Control Reference Point Pin 2 200 S 10nF 4 7nF f 2 2nF 2 160 eh CG lt o 2 120 a A C VE 1 5nF 80 0 0 0 2 0 4 0 6 0 8 1 0 95 10302 Re M Figure 7 100 80 60 T 40 20 f V Converter Non Active Reference Point Pin 16 0 95 10303 Vis V Figure 8 100 S
19. repetition rate set using Rs_3 is only valid for a fixed value of Co To ensure safe and trouble free operation the following points should be taken into consideration when circuits are being constructed or in the design of printed circuit boards The connecting lines from C to Pin 7 and Pin 2 should be as short as possible The connection to Pin 2 should not carry any additional high current such as the load current When selecting C2 a low temperature coefficient is desirable The common earth connections of the set point generator the tacho generator and the final interference suppression capacitor C4 of the f V converter should not carry load current The tacho generator should be mounted without influence by strong stray fields from the motor The connections from Run and Cs should be as short as possible To achieve a high noise immunity a maximum ramp voltage of 6 V should be used The typical resistance R can be calculated from Ig as follows T ms X 1 13 V x 10 C nF x 6 V Period duration for mains frequency 10 ms at 50 Hz Ramp capacitor max ramp voltage 6 V and constant voltage drop at Ry 1 13 V R kQ A 10 lower value of Rg under worst case conditions is recommended 6 20 TELEFUNKEN Semiconductors Rev Al 29 May 96 TEMIC cn U211B2 B3 A 95 10716 m 2 n 3 20 2x Trigger Pulse me VL Load Voltage
20. rol voltage on Pin 12 so that the phase angle a is increased to Omax The simultaneous reduction of the phase angle during which current flows causes firstly a reduction of the rotational speed of the motor which can even drop to zero if the angular momentum of the motor is excessively large and secondly a reduction of the potential on Co which in turn reduces the influence of the current sink on Pin 12 The control voltage can then increase again and bring down the phase angle This cycle of action sets up a balanced condition between the current integral on Pin 15 and the control voltage on Pin 12 Apart from the amplitude of the load current and the time during which current flows the potential on Pin 12 and hence the rotational speed also affects the function of the load limiting A current proportional to the potential on Pin 10 gives rise to a voltage drop across Ryo via Pin 14 so that the current measured on Pin 14 is smaller than the actual current through Rg This means that higher rotational speeds and higher current amplitudes lead to the same current integral Therefore at higher speeds the power dissipation must be greater than that at lower speeds before the internal threshold voltage on Pin 15 is exceeded The effect of speed on the maximum power is determined by the resistor Rio and can therefore be adjusted to suit each individual application If after the load limiting has been turned on the momentum of the l
21. t Input voltage Pin 13 VI Vis Ito 0 V Pulse output Reverse voltage Pin 4 VR Vs to 5 V Pulse blocking Input voltage Pin 18 VI Vis Ito 0 V Amplifier Input voltage Pin 11 VI Oto Vs V Pin 9 open Pin 10 V1 Vig lto 0 Reference voltage source Output current Pin 16 I 7 5 mA Storage temperature range Tstg 40 to 125 C Junction temperature T 125 C Ambient temperature range Tamb 10 to 100 C Thermal Resistance Parameters Symbol Maximum Unit Junction ambient DIP18 RihrA 120 K W SO16 on p c 180 SO16 on ceramic 100 8 20 TELEFUNKEN Semiconductors Rev A1 29 May 96 TEMIC Semiconductors U211B2 B3 Electrical Characteristics Vs 13 0 V Tamb 25 C reference point Pin 2 unless otherwise specified Parameters Test Conditions Pins Symbol Min Typ Max Unit Supply voltage for mains op Pin 3 Vs 13 0 VLimit V eration Supply voltage limitation Is 4 mA Pin 3 Vs 14 6 16 6 V Is 30 mA Vs 14 7 16 8 DC current requirement Vs 13 0 V Pin 3 Is 1 2 2 5 3 0 mA Reference voltage source Ij 10 uA Pin 16 VRef 8 6 8 9 9 2 V lL 25 mA 8 3 9 1 Temperature coefficient Pin 16 TCynet 0 5 mV K Voltage monitoring Turn on threshold Pin 3 Vson 11 2 13 0 V Turn off threshold Pin3 Vsorr 9 9 10 9 V Phase control currents Synchronization current Pinl Isyncl 0
22. ure 18 12 20 TELEFUNKEN Semiconductors Rev Al 29 May 96 TEMIC Semiconductors U211B2 B3 6 Automatic Retriggering 5 Mains Supply a 4 2 x e 3 5 s 3 a 2 1 0 0 10 20 30 40 95 10314 tpp tp 95 10316 Ri KQ Figure 19 Figure 21 50 40 Mains Supply Mains Supply o 30 E ja E z 20 Z 10 0 0 4 8 12 0 3 6 9 12 15 95 10315 kot MA 95 10317 kot MA Figure 20 Figure 22 TELEFUNKEN Semiconductors 13 20 Rev A1 29 May 96 U211B2 B3 TEMIC ta a m gv ME ae JS ESO e s RET GER bi ex Qo vi SC m E gt Hei a O S 5 KOU E e LI gt o zo z 2 x Q N e O 2 g 3 ae 2 ma 3 z MEH x e IH d o DUM o CH li i a 23 gt e To x e e e Aa L a LE Q e raze iz a 2 e H d i e st A E l HIE o a ge S Eta 5 e lt OO e ES 4 Z Se J E Ce as S e Z r a Gel o m Us S N D x e O o Ld S za x D a e 1 Ciel i t E 8 2 a O a OZ Figure 23 Speed control automatic retriggering load switch off soft start The switch off level at maximum load shows in principle This function is effected by the thyristor formed by Ti the same speed dependency as the original vers
23. y R7 C7 Cg and R can be left out For open loop operation C4 Cs Re R7 C7 Cg and Ru can be omitted Pin 10 should be connected with Pin 12 and Pin 8 with Pin 2 The phase angle of the triggering pulse can be adjusted using the voltage on Pin 11 An internal limitation circuit prevents the voltage on Pin 12 from becoming more negative than V16 1 V Load Limitation The load limitation with standard circuitry provides absolute protection against overloading of the motor the function of the load limiting takes account of the fact that motors operating at higher speeds can safely withstand large power dissipations than at lower speeds due to the increased action of the cooling fan Similary consider ations have been made for short term overloads for the motor which are in practice often required These finctions are not damaging and can be tolerated In each positive half cycle the circuit measures via R0 the load current on Pin 14 as a potential drop across Rg and produces a current proportional to the voltage on Pin 14 This current is available on Pin 15 and is integrated by Co If following high current amplitudes or a large phase angle for current flow the voltage on Co exceeds an internally set threshold of approx 7 3 V reference voltage Pin 16 then a latch is set and the load limiting is turned on A current source sink controlled by the control voltage on Pin 15 now draws current from Pin 12 and lowers the cont
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TEMIC U211B2/B3 DATA SHEET