L9762-BC Engine Control Unit Power Management IC for Automotive ECUs

The L9762-BC is a highly integrated power supply integrated circuit specifically engineered for automotive engine control unit (ECU) applications.

This advanced IC integrates multiple voltage regulators to provide stable and precise power outputs required by modern engine management systems.

It features a main 5V regulator with sufficient current capability to supply microcontrollers, along with configurable outputs to support various ECU architectures.

The device is equipped with comprehensive diagnostic and protection functions to ensure system safety and reliability in harsh automotive environments.

These protections include under-voltage lockout, over-voltage clamping, over-temperature shutdown, and short-circuit protection on all output channels.

An integrated SPI communication interface enables seamless digital control and real-time diagnostic data exchange with the main microcontroller.

The L9762-BC incorporates multiple low-side drivers, relay drivers, and pre-drivers, significantly reducing external component count and PCB space.

Its low quiescent current design minimizes power consumption, which is particularly beneficial during idle or standby vehicle conditions.

Packaged in a space-efficient SSOP-36 or HSSOP-36 package with an exposed thermal pad, it ensures excellent heat dissipation for reliable operation.

This automotive-grade IC is designed to meet stringent industry standards for temperature range and transient voltage resistance, delivering consistent performance throughout the vehicle's lifespan.

It is ideal for engine control modules, transmission control units, and other powertrain electronics requiring robust and efficient power management.

By simplifying power supply design and integrating essential protection features, this chip helps designers achieve enhanced vehicle performance, improved fuel efficiency, and reduced system complexity.