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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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Technical Documentation

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

      All silicon voltage regulator

Quality and Reliability

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.

Sample & Buy

Part Number
Order from Distributors
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Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
L9474N Available at 4 distributors

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 3000 500 Order Now
MOUSER WORLDWIDE 487 1 Order Now

Distributor reported inventory date: 2020-08-03

Distributor Name

DIGIKEY

Stock

100

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

500

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

3000

Min.Order

500

Region

AMERICA Order Now

MOUSER

Stock

487

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-03

Buy now
Active
EAR99 NEC Tube MW 8L -40 150 MOROCCO 4.6 / 1k

L9474N

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

4.6 / 1k

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 3000 500 Order Now
MOUSER WORLDWIDE 487 1 Order Now

Distributor reported inventory date: 2020-08-03

Distributor Name

DIGIKEY

Stock

100

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

500

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

3000

Min.Order

500

Region

AMERICA Order Now

MOUSER

Stock

487

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-03

ECCN (EU)

NEC

Packing Type

Tube

Package

MW 8L

Operating Temperature (°C)

(min)

-40

(max)

150

Budgetary Price (US$)* / Qty

4.6 / 1k

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