STMicroelectronics BU931ZD2(8188) - High Voltage Ignition Coil Driver

The BU931ZD2(8188) is a high voltage ignition coil driver power IC from STMicroelectronics, designed to interface between the control IC and the power ignition coil in automotive applications. This robust component is specifically engineered to drive ignition coils in modern combustion engines, providing efficient and reliable operation.

Key Features

• Integrated high voltage NPN transistor
• Collector-emitter voltage (Vce) of 400V
• Collector current up to 15A
• Minimal saturation voltage
• Integrated clamping diode
• Optimized for high energy ignition systems
• Protection against coil current runaway
• Low collector-emitter saturation voltage
• ISO 7637 compliant
• Temperature range: -40°C to 150°C

Applications

Primarily used in the automotive industry, the BU931ZD2(8188) is ideal for ignition systems in gasoline engines. Its high voltage capability and robust design make it suitable for use in cars, motorcycles, and other motor vehicles that require reliable ignition coil driving under a wide range of environmental conditions.

Performance and Durability

STMicroelectronics' BU931ZD2(8188) is built to withstand the harsh conditions often encountered in automotive environments. Its high collector-emitter voltage and current ratings enable it to handle the demanding requirements of high energy ignition systems, while the integrated clamping diode provides protection against voltage spikes.

The device's low saturation voltage ensures efficient operation, reducing power dissipation and improving overall system reliability. The built-in protection against coil current runaway safeguards the IC from potential damage due to abnormal operating conditions.

With compliance to ISO 7637 standards, the BU931ZD2(8188) meets the international requirements for transient voltage protection in road vehicles, ensuring a high level of performance and safety in its applications.

Conclusion

STMicroelectronics' BU931ZD2(8188) is a powerful and reliable solution for driving high voltage ignition coils. Its robust design, combined with protection features and compliance with automotive standards, make it an excellent choice for designers seeking a high-performance ignition coil driver for modern combustion engines.