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SA53 - 3-Phase Switching Amplifier IC

General Description

The SA53 is a fully integrated switching amplifier designed primarily to drive DC brush motors.

Two independent half bridges provide over 10 amperes peak output current under microcontroller or DSC control.

Key Features

  • Low Cost Intelligent Switching Amplifier.
  • Directly Connects to Most Embedded Microcontrollers and Digital Signal Controllers.
  • Integrated Gate Driver Logic with Dead-time Generation and Shoot-through Prevention.
  • Wide Power Supply Range (8.5 V To 60 V).
  • Over 10A Peak Output Current per Phase.
  • 3A Continuous Output Current per Phase.
  • Independent Current Sensing for each Output.
  • User Programmable Cycle-by-cycle Current Limit Pr.

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Datasheet Details

Part number SA53
Manufacturer Cirrus Logic
File Size 765.96 KB
Description 3-Phase Switching Amplifier IC
Datasheet download datasheet SA53 Datasheet

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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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www.DataSheet4U.com P r o d u c t IIn rr oo m nn no ovva a t i o n FF m SA53 SA53 DESCRIPTION The SA53 is a fully integrated switching amplifier designed primarily to drive DC brush motors. Two independent half bridges provide over 10 amperes peak output current under microcontroller or DSC control. Thermal and short circuit monitoring is provided, which generates fault signals for the microcontroller to take appropriate action. A block diagram is provided in Figure 1. Additionally, cycle-by-cycle current limit offers user programmable hardware protection independent of the microcontroller. Output current is measured using an innovative low loss technique.