STMicroelectronics L99MD01 Octal Half-Bridge Driver Datasheet

L99MD01 is an octal half-bridge driver for automotive applications


STMicroelectronics L99MD01 Octal Half-Bridge Driver Datasheet - cover page
Brand
STMicroelectronics
Category
Motor
Document type
Datasheet
Language
English
Pages
54
File format
PDF
File size
992 KB
Published
08 August, 2012
Updated
30 September, 2023
MD5 checksum
FA6B4EECCE9D02B168BA4BC4A0A7C838

About this manual

The L99MD01 is an octal half-bridge driver intended for automotive applications, specifically driving DC and/or stepper motors. It features an integrated 24-bit SPI interface for controlling all outputs and providing diagnostic information such as normal operation, open-load, overcurrent, and temperature warnings. The device includes an intrinsic DC/DC step-up converter capable of driving an external MOSFET.

What's inside

  • Block diagram
  • Detailed description
  • Power supply
  • Standby mode
  • PWM mode
  • SMPS Switched Mode Power Supply
  • Current monitor
  • Diagnostic functions
  • Pin definitions
  • Electrical specifications

Specifications

Number of half bridges8
On-resistance (High-side)typ. 0.9 Q
On-resistance (Low-side)typ. 0.64 Q
Current limit per outputmin. 0.8 A
Operating supply voltage6 V to 18 V
Standby current consumptiontyp. 5 yA
Package typePowerSSO-36

Frequently asked questions

What motors is the L99MD01 intended to drive?

The device is intended to drive DC and/or stepper motors.

What is the PWM frequency for stepper motor hold current?

The PWM frequency is typically 100 Hz.

What is the current consumption in standby mode?

The current consumption in standby mode is typically 5 yA.

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