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L9915-CB

  • L9915-CB

Request Information For L9915-CB

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L9915-CB Overview

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.

The set-point voltage reference selected by the Engine Control Unit via C-terminal protocol is temperature flat. An internal voltage reference thermally compensated is present in the device and used when the protocol coming from ECU is absent or the wire is broken.

A self-bias circuitry is present on L pin in order to turn-on the warning lamp also when the device is not supplied (battery connection broken).

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

Product Parameters

  • prmis_id

    CP417992

  • item_name

    L9915-CB

  • p_445

  • p_1387

    6.3453

  • p_4418

    1000

  • parent_id

    PF260658

  • p_4906

    true

  • p_5113

    55

  • p_163

    Active

Related Products

Other distributor's price

Distributor Part # Mfg. Description Price
digikey L9915-CB STMicroelectronics IC REG CTAVR C-TERM MULTIWATT8

500---$6.6219
mouser L9915-CB STMicroelectronics Power Management Specialized - PMIC C-terminal alternator volt regulator (CTAVR)

1---$10.1700

10---$9.1900

25---$8.7600

100---$7.6100

250---$7.2700

500---$6.6200

1000---$6.4400
future L9915-CB STMicroelectronics

500---$7.3300
newark L9915-CB STMicroelectronics Assp |Stmicroelectronics L9915-CB

1---$10.1700
avnet L9915-CB STMicroelectronics Standard Regulator Pos 8-Pin MULTIWATT Tube - Bulk (Alt: L9915-CB)

500---$7.4814

1000---$7.3303

2000---$7.1791

3000---$7.0280

4000---$6.8769

5000---$6.7257

50000---$6.5746

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