L9524C

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Glow plug system control IC

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Product overview

Description

The L9524C is a control IC for up to six glow plugs of diesel engines. The glow plugs are switched by up to four external PWM-controlled N-channel Power MOSFETs or a single relay in high-side configuration.

Supply voltage, battery voltage, junction temperature, switches, currents through the glow plugs, and charge pump voltage are monitored.

A two-wire interface is used to communicate with the diesel engine management system.

  • All features

    • Active clamping during load dump
    • Charge pump voltage monitoring with shutdown
    • Monitoring of currents through the glow plugs with shutdown at overcurrent (adjustable threshold)
    • Junction temperature monitoring with shutdown
    • Quad gate driver for external N-channel Power MOSFETs in high-side configuration:\t\tGates driven by PWM output signal\t\tAdjustable gate charge/discharge currents\t\tLimited gate-to-source voltages\t\tNegative clamping for inductive loads\t\tAdvanced run-off control\t\tRegulation of the power through the glow plugs\t\t
    • Battery-voltage-compatible two-wire interface
    • Control output for external relay driver
    • Battery voltage monitoring with shutdown
    • Monitoring of external switches
    • Supply voltage monitoring with shutdown

Circuit Diagram

EDA Symbols, Footprints and 3D Models

STMicroelectronics - L9524C

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L9524C
Active
SO-24 Automotive Ecopack1
L9524C-TR
Active
SO-24 Automotive Ecopack1

L9524C

Package:

SO-24

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-24

Grade

Automotive

RoHS Compliance Grade

Ecopack1

L9524C-TR

Package:

SO-24

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-24

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.

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L9524C
Available at distributors

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No availability of distributors reported, please contact our sales office

L9524C-TR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

L9524C-TR

Operating Temperature (°C)

Min:

Max:

L9524C Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

L9524C

Operating Temperature (°C)

Min:

Max:

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