Alternator Voltage Regulator with rvc interface

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  • The L9474N 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 via RVC protocol.

    Key Features

    • High side field driver
    • Thermal protection
    • Field driver short circuit protection
    • RVC interface
    • Overvoltage protection
    • Complex diagnostics
    • Load Response Control

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Part Number
Package
Packing Type
Temperature (°C) Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
More info
Order from Distributors
Order from ST
min
max
L9474N MW 8L Tube -40 150
Active
4.6 1000 EAR99
MORE INFO

Country of Origin:

MOROCCO

Check Availability

Distributor availability ofL9474N

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 100 1 Order Now
AVNET AMERICA 500 0 Order Now
ARROW AMERICA 2500 500 Order Now
MOUSER WORLDWIDE 500 1 Order Now

Distributor reported inventory date: 2019-09-12

Distributor Name

DIGIKEY

Stock

100

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

500

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2500

Min.Order

500

Region

AMERICA Order Now

MOUSER

Stock

500

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-09-12

Buy now

L9474N

Package

MW 8L

Packing Type

Tube

Unit Price (US$)

4.6*

Distributor availability ofL9474N

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 100 1 Order Now
AVNET AMERICA 500 0 Order Now
ARROW AMERICA 2500 500 Order Now
MOUSER WORLDWIDE 500 1 Order Now

Distributor reported inventory date: 2019-09-12

Distributor Name

DIGIKEY

Stock

100

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

500

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2500

Min.Order

500

Region

AMERICA Order Now

MOUSER

Stock

500

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-09-12

Operating Temperature (°C)

(min)

-40

(max)

150

Marketing Status

Active

Unit Price (US$)

4.6

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MOROCCO

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS11036
      All silicon voltage regulator
      1.0
      425.44 KB
      PDF
      DS11036

      All silicon voltage regulator

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L9474N
Active
MW 8L Automotive Ecopack1

L9474N

Package:

MW 8L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

MW 8L

Grade

Automotive

RoHS Compliance Grade

Ecopack1

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.