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| (R) VB921ZVFI / VB921ZVSP HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C. ADVANCED DATA TYPE VB921ZVFI VB921ZVSP n n n n Vcl 340V Icl 7.5A Vcg(sat) 2.5V NO EXTERNAL COMPONENT REQUIRED INTEGRATED HIGH VOLTAGE CLAMP COIL CURRENT LIMIT INTERNALLY SET HIGH RUGGEDNESS 3 1 2 10 1 ISOWATT220 DESCRIPTION The VB921ZVFI, VB921ZVSP is a monolithic high voltage integrated circuit made using the STMicroelectronics VIPowerTM technology, which combines a vertical current flow power trilinton with a coil current limiting circuit and a collector voltage clamping. The device is particularly suitable for application in high performance electronic car ignition, where coil current limitation and voltage clamping are required. PowerSO-10TM ORDER CODES: ISOWATT220 VB921ZVFI POWERSO-10TM VB921ZVSP BLOCK DIAGRAM HVc VIN CONTROL UNIT R SENSE ND8012 GND July 1999 1/7 1 VB921ZVFI / VB921ZVSP ABSOLUTE MAXIMUM RATING Symbol HVc IC VIN IIN Ptot Tj T stg Parameter Collector Voltage Collector Current Maximum Input Voltage Input current Total dissipation at TC=25 C Junction operating temperature Storage temperature Value ISOWATT220 PowerSO-10 Internally limited Internally limited 8 10 40 100 - 40 to 150 - 40 to 150 Unit V A V mA W C C THERMAL DATA Symbol Rthj-case Rthj-amb Parameter Thermal resistance junction-case Thermal resistance junction-ambient (MAX) (MAX) Value ISOWATT220 PowerSO-10 3.12 1.25 62.5 62.5 Unit C/W C/W CONNECTION DIAGRAM (TOP VIEW) V IN VIN V IN VIN V IN 6 7 8 9 10 11 HVC 5 4 3 2 1 GND GND GND GND GND 3 2 1 GND HVC VIN ELECTRICAL CHARACTERISTICS (VCC=12V; Tcase=25C unless otherwise specified) Symbol VIN IIN Icgo Vcl (*) Icl (*) Vcg(sat) Vf (**) Icl Parameter Input Voltage Input Current Collector Cut-off Current High voltage clamp Coil Current Limit Power Stage Saturation Voltage Diode Forward Voltage Coil current variation in respect to VIN=5V Test Conditions VIN=4.2V; IC=5A (See test circuit) VIN=5V; IC=5A VIN=0V; HVC=250V -40C 2.5 3.5 200 V V mA (*) Coil data: primary resistance RC=0.4 / 0.8, primary inductance L C=6 / 8mH (**) Pulsed: pulse duration= 300s, duty cycle=1.5% NOTE 1: Icl is also controlled in respect to the variation of VIN between 4.5 and 5.5V 2/7 1 VB921ZVFI / VB921ZVSP FIGURE 1: Delay-off time Vs Temperature FIGURE 2: Input current Vs Temperature FIGURE 3: Saturation Voltage VS Collector Current FIGURE 4: Diode Forward Voltage VS Temperature FIGURE 5: Coil Current Limit Vs Temperature FIGURE 6: Clamping Voltage VS Temperature 3/7 1 VB921ZVFI / VB921ZVSP FIGURE 7: Maximum Energy and Output Current Unclamped 4/7 1 1 VB921ZVFI / VB921ZVSP PowerSO-10TM MECHANICAL DATA DIM. A A1 B c D D1 E E1 E2 E3 E4 e F H h Q 0 1.25 13.80 0.50 1.70 8 mm. MIN. 3.35 0.00 0.40 0.35 9.40 7.40 9.30 7.20 7.20 6.10 5.90 1.27 1.35 14.40 0.049 0.543 0.002 0.067 TYP MAX. 3.65 0.10 0.60 0.55 9.60 7.60 9.50 7.40 7.60 6.35 6.10 MIN. 0.132 0.000 0.016 0.013 0.370 0.291 0.366 0.283 0.283 0.240 0.232 0.050 0.053 0.567 inch TYP. MAX. 0.144 0.004 0.024 0.022 0.378 0.300 0.374 0.291 300 0.250 0.240 B 0.10 A B 10 = H = A F A1 = 6 = = = E = 1 5 = E2 E3 E1 E4 = = A = SEATING PLANE DETAIL "A" e 0.25 M B C Q D h = = D1 = = SEATING PLANE = A1 L DETAIL "A" 5/7 1 VB921ZVFI / VB921ZVSP TO-220 MECHANICAL DATA mm. DIM. MIN. A C D D1 E F F1 F2 G H2 L2 L4 L5 L6 L7 L9 DIA. 13.0 2.65 15.25 6.2 3.5 3.75 0.49 0.61 1.14 1.14 4.95 10.0 16.4 14.0 2.95 15.75 6.6 3.93 3.85 0.511 0.104 0.600 0.244 0.137 0.147 0.154 0.151 4.40 1.23 2.40 1.27 0.70 0.88 1.70 1.70 5.15 10.40 0.019 0.024 0.044 0.044 0.194 0.393 0.645 0.551 0.116 0.620 0.260 TYP MAX. 4.60 1.32 2.72 MIN. 0.173 0.048 0.094 0.050 0.027 0.034 0.067 0.067 0.203 0.409 TYP. MAX. 0.181 0.051 0.107 inch 6/7 1 1 1 VB921ZVFI / VB921ZVSP Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c) 1999 STMicroelectronics - Printed in ITALY- All Rights Reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco The Netherlands- Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 7/7 1 |
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