Datasheet4U Logo Datasheet4U.com

L9915 Datasheet C-terminal Alternator Voltage Regulator

Manufacturer: STMicroelectronics

Overview: L9915 C-terminal alternator voltage regulator (CTAVR) Datasheet - production data '!

General Description

The device is a monolithic alternator voltage regulator intended for use in automotive application.

It includes the control section, the field power stage, fault diagnostic circuit which drives a warning lamp, and the protection against short circuits.

This device regulates in close loop the output of an automotive generator by controlling the field winding current by means of a pulse-width modulation (PWM) high side driver at fixed frequency.

Key Features

  • Fully monolithic design.
  • High side field driver.
  • Field short circuit protection.
  • Regulated voltage driven by ECU (protocol driven).
  • Regulated voltage thermally compensated (without protocol).
  • Lamp driver (wake up and warning detection).
  • Self start function.
  • Load response control (LRC).
  • Field monitor (FM) output.
  • Thermal shutdown.

L9915 Distributor