STMicroelectronics L9823 Octal Low-Side Driver Datasheet

L9823 is an octal low-side driver circuit dedicated for automotive applications. It provides output voltage clamping, open load detection and single VDD logic supply.


STMicroelectronics L9823 Octal Low-Side Driver Datasheet - cover page
Brand
STMicroelectronics
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
19
File format
PDF
File size
264 KB
Published
08 August, 2012
Updated
30 September, 2023
MD5 checksum
F2C7818F1A99E20CEF489C6127D46BA0

About this manual

The L9823 is an octal low-side driver circuit dedicated for automotive applications, designed to drive bulb, resistive, and inductive loads. It features cascable SPI control for outputs, programmable intrinsic output voltage clamping, and independent thermal shutdown for each output to ensure SOA protection. The device includes overcurrent shutdown with latch-off and open load detection.

What's inside

  • Block diagram
  • Pins description
  • Absolute maximum ratings
  • Thermal data
  • Electrical characteristics
  • Output stages control
  • Diagnostics
  • Applications information

Specifications

Outputs current capabilityup to 0.5 A
Output clamp voltagetyp. 50 V
Thermal shutdown threshold155 (Min.), 180 (Typ.) °C

Frequently asked questions

What loads is the L9823 designed to drive?

The L9823 is an octal low-side driver circuit dedicated for automotive applications that drives bulb, resistive, and inductive loads.

What is the maximum continuous output current?

The device provides an output current capability up to 0.5 A.

What is the thermal shutdown threshold?

The thermal shutdown threshold is 155 °C minimum and 180 °C typical.

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