The VB325SP is a high-voltage ignition coil driver power IC manufactured by STMicroelectronics, designed for automotive applications. Here are its key specifications:
Core Features
- Technology: VIPower™ M1-3 with vertical current flow power Darlington
- Function: Drives ignition coils in electronic ignition systems
- Logic Level Input: Compatible with standard logic signals
- Enable Pin: Allows external control to block switching
- Protection: Built-in coil current limiting and collector voltage clamping
- Thermal Shutdown: Prevents overheating
Electrical Characteristics
- Collector Voltage (Vcl): Internally limited to 380 V
- Collector Current (Icl): Internally limited to 10 A
- Driving Stage Supply Voltage (Vcc): Up to 7 V
- Input Current: Max 100 mA
- Power Dissipation: Up to 125 W at 25°C
- Operating Temperature Range: –40°C to +150°C
- Package: PowerSO-10
Pin Functions
- Pins include:
- GND (Emitter Power Ground)
- Enable
- Vcc (Logic Supply Voltage)
- BD (Base Darlington)
- Input (Logic input channel)
- Diagnostic Output