Product Summary

The VB025MSP is a high voltage ignition coil driver power integrated circuit made using STMicroelectronics VIPower Technology, with vertical current flow power darlington and logic level compatible driving circuit. Built-in protection circuits for coil current limiting and collector voltage clamping allows the VB025MSP to be used as a smart, high voltage, high current interface in advanced electronic ignition systems.

Parametrics

VB025MSP absolute maxing ratings: (1)Collector Voltage (Internally Limited): -0.3 to Vclamp V; (2)Collector Current (Internally Limited): 10 A; (3)DC Current on Emitter Power: ± 10.5 A; (4)Driving Stage Supply Voltage: -0.3 to 7 V; (5)Driving Circuitry Supply Current: ± 200 mA; (6)DC Current on Ground Pin: ± 1A; (7)Input Voltage: -0.3 to VCC + 0.3 V; (8)Maximum Input Current: 100 mA; (9)Logic Input Frequency in Operative Mode: DC to 150 Hz; (10)Output Voltage Primary Threshold Current Level: -0.3 to VCC + 0.3 V; (11)Flag Output Current: 100 mA; (12)Power Dissipation (TC = 105 ℃): TBD W; (13)Clamped Energy During Output Power Clamping: 300 mJ; (14)ESD Voltage (HVC Pin): ± 4KV; (15)ESD Voltage (Other Pins): ± 2KV; (16)Input Darlington Base Current: 150 mA; (17)Operating Junction Temperature: -40 to 150 ℃; (18)Storage Temperature Range: -55 to 150℃.

Features

VB025MSP features: (1)Primary coil voltage internally set; (2)Coil current limit internally set; (3)Logic level compatible input; (4)Driving current quasi proportional to collector current; (5)Single flag-on coil current.

Diagrams

VB025MSP block diagram

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