L9914 datasheet(1/13 Pages) STMICROELECTRONICS

No de pièce	L9914

Description	All silicon automotive voltage regulator

PDF	13 Pages

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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This is information on a product in full production.

March 2021

DS4742 Rev 7

1/13

L9914

All silicon automotive voltage regulator

Datasheet

- production data

Features

 AEC-Q100 qualified

 High side field driver

 Thermal protection

 Field driver short circuit protection

 RVC interface

 Overvoltage protection

 Complex diagnostics

 Load response control

– LRC rate 2.5 s (L9914A)

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.

GAPGPS00017

Multiwatt8

Table 1. Device summary

Order code

Temp range,

C

Package

Packing

L9914A

Tj = -40 to +150

Multiwatt8

Tube

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