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L9524C - Glow Plug System Controller

Datasheet Summary

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.

Features

  • Quad gate driver for external N-channel Power MOSFETs in high-side configuration:.
  • Gates driven by PWM output signal.
  • Adjustable gate charge/discharge currents.
  • Limited gate-to-source voltages.
  • Negative clamping for inductive loads.
  • Advanced run-off control.
  • Regulation of the power through the glow plugs.
  • Control output for external relay driver.
  • Battery-voltage-compatible two-wire interface.
  • Supply voltage monitoring wit.

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Datasheet preview – L9524C

Datasheet Details

Part number L9524C
Manufacturer STMicroelectronics
File Size 389.09 KB
Description Glow Plug System Controller
Datasheet download datasheet L9524C Datasheet
Additional preview pages of the L9524C datasheet.

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    Full PDF Text Transcription

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    L9524C Glow plug system control IC Features ■ Quad gate driver for external N-channel Power MOSFETs in high-side configuration: – Gates driven by PWM output signal – Adjustable gate charge/discharge currents – Limited gate-to-source voltages – Negative clamping for inductive loads – Advanced run-off control – Regulation of the power through the glow plugs ■ Control output for external relay driver ■ Battery-voltage-compatible two-wire interface ■ Supply voltage monitoring with shutdown ■ Battery voltage monitoring with shutdown ■ Junction temperature monitoring with shutdown ■ Monitoring of currents through the glow plugs with shutdown at overcurrent (adjustable threshold) ■ Monitoring of external switches ■ Charge pump voltage monitoring with shutdown ■ Active clamping during load dump
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