Datasheet4U Logo Datasheet4U.com

L9914 - All silicon automotive voltage regulator

General Description

The L9914 is a monolithic multifunction generator voltage regulator intended for use in automotive applications.

This device regulates the output of an automotive generator by controlling the field winding current by means of a variable frequency PWM high side driver.

Key Features

  • AEC-Q100 qualified.
  • High side field driver.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
L9911 Car alternator multifunction smart voltage regulator ST Microelectronics
L9942 Integrated stepper motor driver ST Microelectronics
L99PM62XP Power Management ST Microelectronics

Other Datasheets by STMicroelectronics

Part Number Description
L9915 C-terminal alternator voltage regulator
L9918 Alternator voltage regulator
L9907 Automotive FET driver
L9908 Automotive 3-Phase motor gate driver
L9929 SPI CONTROLLED H-BRIDGE

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
L9914 All silicon automotive voltage regulator Datasheet - production data  Thermal protection  Field driver short circuit protection  RVC interface  Overvoltage protection  Complex diagnostics  Load response control – LRC rate 2.5 s (L9914A) GAPGPS00017 Multiwatt8 Features  AEC-Q100 qualified  High side field driver Description The L9914 is a monolithic multifunction generator voltage regulator intended for use in automotive applications. This device regulates the output of an automotive generator by controlling the field winding current by means of a variable frequency PWM high side driver. The setpoint voltage reference is selected by the engine control unit (ECU) via RVC protocol. Order code L9914A Table 1.