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| PC929 PC929 s Features 1. Built-in IGBT shortcircuit protector circuit 2. Built-in direct drive circuit for IGBT drive (Peak output current ... IO1P, IO2P : MAX. 0.4A) 3. High speed response (tPLH, tPHL : MAX. 0.5 s) 4. High isolation voltage (Viso : 4000Vrms) 5. Half lead pin pitch (p=1.27 mm) package type 6. Recognized by UL, file NO. E64380 Shortcircuit Protector Circuit Built-in Photocoupler Suitable for Inverter-Driving MOS-FET/IGBT s Outline Dimensions 14 13 12 11 10 9 8 g TUV ( VDE 0884 ) approved type is also available as an option. (Unit : mm) Primary side mark 1 2 3 4 5 6 7 s Application 1. IGBT control for inverter drive 9.22 6.5 PC929 7.62 3.5 0.35 14 - 0.6 12 - 1.27 0.26 1.0 10.0 1.0 Internal connection diagram 14 13 12 11 10 98 1 2 3 4 5 6 7 Cathode Cathode Anode NC NC NC NC 8 9 10 11 12 13 14 FS C GND O2 O1 VCC GND s Absolute Maximum Ratings (Ta=Topr unless otherwise specified) Unit mA V V A A A A V mW V mA V mA mW Vrms C C C Constant voltage circuit IGBT protector circuit Interface Amp. 3 4 5 6 7 Parameter Symbol Rating *1 IF 20 Forward current Input Reverse voltage VR 6 (Ta = 25C) Supply voltage VCC 35 O1 output current 0.1 IO1 *4 IO1P 0.4 O1 peak output current O2 output current 0.1 IO2 *4 IO2P 0.4 O2 peak output current Output O1 output voltage 35 VO1 *2 PO 500 Power dissipation Overcurrent detecting voltage VC VCC Overcurrent detecting current IC 30 Error signal output voltage VFS VCC Error signal output current IFS 20 *3 550 Total power dissipation Ptot *5 Viso 4 000 Isolation voltage - 25 to + 80 Operating temperature Topr - 55 to + 125 Storage temperature Tstg Soldering temperature Tsol 260 (for 10 sec) Terminals 4 to 7 : Shortcircuit in element 1 2 * "OPIC" (Optical IC) is a trademark of the SHARP Corporation. An OPIC consists of a light-detecting element and signal processing circuit integrated onto a single chip. Operation truth table is shown on the next page. *1, 2, 3 Decrease in the ambient temperature range of the Absolute Max. Rating : Shown in Figs 1 and 2. *4 Pulse width <=0.15 s, Duty ratio=0.01 *5 40 to 60% RH, AC for 1 minute, Ta=25C " In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device." PC929 s Electro-optical Characteristics (1) Parameter Input Forward voltage Reverse current Terminal capacitance Operating supply voltage O1 low level output voltage O2 high level output voltage Output O2 low level output voltage O leak current High level supply current Low level supply current *7 (Ta=Topr unless otherwise specified) Conditions MIN. TYP. Ta = 25C, IF = 10mA 1.6 Ta = 25C, IF = 0.2mA 1.2 1.5 Ta = 25C, VR = 5V Ta = 25C, V = 0, f = 1kHz 30 Ta = - 10 to 60 C 15 15 VCC1 = 12V, VCC2 = - 12V 0.2 IO1 = 0.1A, IF = 5mA *8 VCC = VO1 = 24V, IO2 = - 0.1A 20 22 IF = 5mA *8 VCC = VO1 = 24V, IO2 = 0.1A, IF = 0mA *8 1.2 Ta = 25C, VCC = VO1 = 35V, IF = 0mA *8 Ta = 25C, VCC = VO1 = 24V, IF = 5mA *8 10 VCC = VO1 = 24V, IF = 5mA *8 Ta = 25C, VCC = VO1 = 24V, IF = 0mA *8 11 VCC = VO1 = 24V, IF = 0mA *8 0.3 1.5 Ta = 25C, VCC = VO1 = 24V *8 0.2 VCC = VO1 = 24V *8 Ta = 25C, DC500V, 40 to60% RH 5 x 1010 1 x 1011 0.3 Ta = 25C, VCC = VO1 = 24V 0.3 RG = 47 , CG = 3 000pF, IF = 5mA 0.2 *8 0.2 Ta = 25C, VCC = VO1 = 24V, IF = 5mA - 1 500 VCM = 600V( peak ) , VO2H = 2.0V *8 Ta = 25C, VCC = VO1 = 24V, IF = 0mA 1 500 VCM = 600V( peak ) , VO2L = 2.0V *8 MAX. 1.75 10 250 30 24 0.4 2.0 500 17 19 18 20 3.0 5.0 0.5 0.5 0.5 0.5 Unit V V A pF V V V V V A mA mA mA mA mA mA s s s s V/ s (7) V/ s Measuring circuit Symbol VF1 VF2 IR Ct VCC VO1L VO2H VO2L VO1L ICCH ICCL IFLH RISO tPLH tPHL tr tf CMH CML (1) (2) (3) (4) (6) "LowHigh" threshold input current (5) - Transfer characteristics Isolation resistance "LowHigh" propagation delay time "HighLow" propagation delay time Rise time Fall time Instantaneous common mode rejection voltage "Output : High level" Instantaneous common mode rejection voltage "Output : Low level" Response time (8) *6 When measuring output and transfer characteristics, connect a bypass capacitor (0.01 F or more) between VCC 13 and GND 14 near the device. *7 I FLH represents forward current when output goes from "Low" to "High". *8 FS=OPEN, VC =0V s Truth Table Input ON OFF C Input/Output Low level High level Low level High level O2 Output High level Low level Low level Low level FS Output High level Low level High level High level For protective operation PC929 s Electro-optical Characteristics (2) *9 (Ta=Topr unless otherwise specified) Conditions Ta = 25C, IF = 5mA VCC = V01 = 24V, RG = 47 CG = 3 000pF, FS = OPEN Ta = 25C VCC = V01 = 24V, IF = 5mA CG = 3 000pF, RG = 47 CP = 1 000pF, RC = 1k FS = OPEN Ta = 25C, IF = 5mA, IFS = 10mA VCC = VO1 = 24V, RG = 47 , CG = 3 000pF, C = OPEN Ta = 25C, IF = 5mA, VFS = 24V VCC = VO1 = 24V, RG = 47 , CG = 3 000pF, VC = 0V Ta = 25C, RFS = 1.8k VCC = VO1 = 24V, IF = 5mA CG = 3 000pF, RG = 47 CP = 1 000pF, RC = 1k MIN. TYP. MAX. VCC - VCC - VCC 6.5 6.0 5.5 1 2 3 2 4 5 0.2 10 2 0.4 Unit V V s s V V (10) (11) (13) Test circuit (9) Protective output Overcurrent detection *10 Parameter Overcurrent detecting voltage Overcurrent detecting voltage hysteresis width O2 "HighLow" delay time at protection from overcurrent O2 fall time at protection from overcurrent O2 output voltage at protection from overcurrent Low level error signal voltage High level error signal current Error signal "HighLow" delay time Error signal output pulse width Symbol VCTH VCHIS tPCOHL tPCOtf VOE VFSL *9 *9 Error signal output IFSH tPCFHL tFS 20 1 35 100 5 - A s (12) (14) s *9 When measuring overcurrent, protective output and error signal output characteristics, connect a bypass capacitor (0.01 F or more) between VCC 13 and GND 14 near the device. *10 VCTH represents C-terminal voltage when O 2 output goes from "High" to "Low". Fig. 1 Forward Current vs. Ambient Temperature 60 Fig. 2 Power Dissipation vs. Ambient Temperature 600 550 50 Power dissipation Ptot, Po (mW) 0 25 50 75 80 100 125 500 Forward current IF (mA) 40 400 30 300 20 200 10 0 - 25 100 0 - 25 0 25 50 75 80 100 125 Ambient temperature Ta (C) Ambient temperature Ta (C) PC929 s Test Circuit Diagram (1) 3 IF 13 12 PC929 14 10 12 9 8 11 V VO1L IO1 V CC1 VCC2 IF (2) 3 13 12 PC929 14 10 12 9 8 11 A I O1L RG VOUT I O2 VCC V VO2H (3) 3 IF 13 12 PC929 14 10 12 9 8 11 V VO2L IO2 VCC (4) 3 IF 13 12 PC929 14 10 12 9 8 11 VCC (5) 3 IF variable 13 12 11 PC929 14 10 9 8 V VO2 VCC (6) 3 IF 13 12 11 PC929 14 10 12 9 8 A I CC VCC 12 13 (7) A SW B 3 12 PC929 14 10 11 V VO2 VCC (8) 3 t r = tf = 0.01 s VIN Pulse width : 5 s Duty ratio=50% 13 12 11 PC929 14 10 9 8 VCC CG 12 9 8 + VCM VCM (Peak) 12 50% V IN waveform tpLH tpHL 90% VCM waveform CMH, VO2 waveform SW at A, IF = 5mA VO2L CM L, VO2 waveform SW at B, IF = 0mA GND VO2H VO2H VO2L GND VOUT waveform 50% 10% tr tf (9) 3 IF 13 12 PC929 14 10 12 9 8 11 RG V VOUT VCC CG V VCTH (10) 3 IF 13 12 11 PC929 14 10 12 9 8 RG V VOE CF VCC CG VC RL PC929 s Test Circuit Diagram (11) (12) 13 3 12 RG IF 11 PC929 14 10 1 2 9 8 V VFSL IFS VCC CG IF PC929 3 13 12 RG 11 14 10 1 2 9 IFSH 8 A VCC CG VFS (13) 13 3 tr = tf = 0.01 s VIN Pulse width : 25 s Duty ratio=25% 1 2 12 11 PC929 14 10 9 8 CP V VOUT (14) 13 3 RG 12 11 PC929 14 10 9 8 RC RG VCC CG V RFS VCC CG RC tr = tf = 0.01 s VIN Pulse width : 25 s Duty ratio=25% 1 2 IF (Input current) tpCOTF 90% 50% t pCOHL 90% VOE VO2 (O2 output voltage) 10% Error detecting threshold voltage (VCTH) C (Detecting terminal) 10% t pCFHL t FS FS (Error signal output) 50% 50% PC929 s Operations of Shortcircuit Protector Circuit PC929 14 GND V 13 CC O1 12 11 Amp. Photodiode Interface IGBT protector circuit 9 8 10 C FS GND VEE Feedback to primary side CP O2 RG RC IGBT VCC Anode Cathode Light emitting diode 3 1 Constant voltage circuit TTL, microcomputer, etc. 1. Detection of increase in VCE (sat) of IGBT due to overcurrent by means of C-terminal 9 terminal) 2. Reduction of the IGBT gate voltage, and suppression of the collector current. 3. Simultaneous output of signals to indicate the shortcircuit condition (FS signal) from FS terminal to the microcomputer In the case of instantaneous shortcircuit, run continues. 4. Judgement and processing by the microcomputer At fault, input to the photocoupler is cut off, and IGBT is turned OFF. Precautions for Operation 1. It is recommended that a capacitor of about 1000pF is added between C-terminal and GND in order to prevent malfunction of C-terminal due to noise. In the case of capacitor added, rise of the detecting voltage is delayed. Thus, use together a resistance of about 1k set between Vcc and C-terminal. The C-terminal rise time varies with the time constant of CR added. Check sufficiently before use. 2. The light-detecting element used for this product is provided with a parasitic diode between each terminal and GND. When a terminal happens to reach electric potential lower than GND potential even in a moment, malfunction or rupture may result. Design the circuit so that each terminal will be kept at electric potential lower than the GND potential at all times. |
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