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UMD9148 - DUAL H-BRIDGE MOTOR DRIVER

Description

The UMD9148 provides a dual H-bridge motor driver for home appliances and other mechatronic applications.

The device can be used to drive one or two DC motors, a bipolar stepper motor, or other loads.

A simple PWM interface allows easy inter facing to controller circuits.

Features

  • Dual H-Bridge Motor Driver Single/Dual Brushed DC Stepper.
  • PWM Control Interface.
  • Optional Current Regulation With 20-μs Fixed Off-Time.
  • High Output Current per H-Bridge 2A Maximum Driver Current at 12V and TA=25°C Parallel Mode Available Capable of 4-A Maximum Driver Current at 12V and TA=25°C.
  • 4 to 18V Operating Supply Voltage Range.
  • Low-Current3-µA sleep Mode.
  • Thermally-Enhanced Surface Mount Package.
  • Protection Features VM Under voltage Lockout (UVLO.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD UMD9148 Preliminary LINEAR INTEGRATED CIRCUIT DUAL H-BRIDGE MOTOR DRIVER  DESCRIPTION The UMD9148 provides a dual H-bridge motor driver for home appliances and other mechatronic applications. The device can be used to drive one or two DC motors, a bipolar stepper motor, or other loads. A simple PWM interface allows easy inter facing to controller circuits. The output block of each H-bridge driver consists of N-channel and P-channel power MOSFETs configured as full H-bridges to drive the motor windings. Each H-bridge includes circuitry to regulate the winding current using a fixed off-time chopping scheme.
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