VB921ZVFI / VB921ZVSP ® HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C. TYPE VB921ZVFI VB921ZVSP Vcl Icl Vcg(sat) 340V 7.5A 2.5V n NO EXTERNAL COMPONENT REQUIRED 10 n INTEGRATED HIGH VOLTAGE CLAMP n COIL CURRENT LIMIT INTERNALLY SE T 3 1 n HIGH RUGGEDNESS ISOWATT220 DESCRIPTION The VB921ZVFI, VB921ZVSP is a monolithic high voltage integrated circuit made using the STMicroelectronics VIPower™ M1-2 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. 1 2 PowerSO-10™ ORDER CODES: ISOWATT220 VB921ZVFI POWERSO-10™ VB921ZVSP BLOCK DIAGRAM HVc VIN CONTROL UNIT R SENSE ND8012 GND October 2000 1/7 1 VB921ZVFI / VB921ZVSP ABSOLUTE MAXIMUM RATING Symbol Value ISOWATT220 PowerSO-10 Internally limited Internally limited 8 10 40 100 - 40 to 150 - 40 to 150 Parameter Collector Voltage Collector Current Maximum Input Voltage Input current Total dissipation at TC=25 °C Junction operating temperature Storage temperature HVc IC VIN IIN Ptot Tj Tstg Unit V A V mA W °C °C THERMAL DATA Symbol Parameter Rthj-case Rthj-amb 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) 6 7 8 9 10 VIN VIN VIN VIN VIN 5 4 3 GND 2 1 GND GND GND GND 3 GND 2 HVC 1 VIN 11 HVC ELECTRICAL CHARACTERISTICS (VCC=12V; Tcase=25ºC unless otherwise specified) Symbol VIN IIN Parameter Input Voltage Input Current Icgo Vcl (*) Collector Cut-off Current High voltage clamp Icl (*) Coil Current Limit Test Conditions Min 4.2 Max 5.5 5 Unit V mA 10 250 440 mA µA V A 7.5 A IC=5A; IIN=10mA 2.5 V If=10A 3.5 V VIN=4.5 ÷ 5.5V 200 mA VIN=4.2V; IC=5A (See test circuit) VIN=5V; I C=5A VIN=0V; HVC=250V -40°C<Tj<125°C VIN=4.2V; -40°C<Tj<125°C 340 6 VIN=5V; -40°C<Tj<125°C 6.5 Typ (See note 1) Vcg(sat) Vf (**) ∆Icl Power Stage Saturation Voltage Diode Forward Voltage Coil current variation in respect to VIN=5V (*) Coil data: primary resistance RC=0.4 ÷ 0.8Ω, primary inductance LC=6 ÷ 8mH (**) Pulsed: pulse duration= 300µs, 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-10™ MECHANICAL DATA mm. DIM. MIN. inch TYP MAX. MIN. TYP. MAX. A 3.35 3.65 0.132 0.144 A1 0.00 0.10 0.000 0.004 B 0.40 0.60 0.016 0.024 c 0.35 0.55 0.013 0.022 D 9.40 9.60 0.370 0.378 D1 7.40 7.60 0.291 0.300 E 9.30 9.50 0.366 0.374 E1 7.20 7.40 0.283 0.291 E2 7.20 7.60 0.283 300 E3 6.10 6.35 0.240 0.250 E4 5.90 6.10 0.232 e 0.240 1.27 0.050 F 1.25 1.35 0.049 0.053 H 13.80 14.40 0.543 0.567 h 0.50 Q 0.002 1.70 α 0.067 0º 8º B 0.10 A B 10 = E4 = = = E1 = E3 = E2 = E = = = H 6 = = 1 5 B e 0.25 SEATING PLANE DETAIL "A" A C M Q D h = D1 = = = SEATING PLANE A F A1 A1 L DETAIL "A" α 5/7 1 VB921ZVFI / VB921ZVSP ISOWATT220 MECHANICAL DATA mm. DIM. MIN. A 4.4 inch TYP MAX. MIN. 4.6 0.173 TYP. MAX. 0.181 B 2.5 2.7 0.098 0.106 D 2.5 2.75 0.098 0.108 E 0.4 0.7 0.015 0.027 F 0.75 1 0.030 0.039 F1 1.15 1.7 0.045 0.067 F2 1.15 1.7 0.045 0.067 G 4.95 5.2 0.195 0.204 G1 2.4 2.7 0.094 0.106 H 10 10.4 0.393 0.409 L2 16 0.630 28.6 30.6 1.126 1.204 L4 9.8 10.6 0.385 0.417 L6 15.9 16.4 0.626 0.645 L7 9 9.3 0.354 0.366 3 3.2 0.118 0.126 B D A E L3 L3 L6 F2 H G G1 ¯ F F1 L7 1 2 3 L2 L4 6/7 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 2000 STMicroelectronics - Printed in ITALY- All Rights Reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com 7/7 1