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SS8844T - Four-channel 1/2 H-bridge driver

Description

chip-wise Chip on chip VM 4, H-bridge power supply V3P3OUT NC VCP Controls IN1 15 1,2,12,13 3 3.3V rectified output Undefined High side grid drive 27 1 Half bridge logic input EN1 26 1 Half bridge enable input IN2 25 2 Half bridge logic input EN2 24 2 Half bridge enable input IN3

Features

  • Dual channel H-bridge current control motor driver - Single or two brushed DC motors -- One stepper motor - Fully independent half-bridge control.
  • Industry standard IN/IN digital control interface.
  • Metal oxide semiconductor field effect transistor (MOSFET) with low on-impedance - 24V, Ta = 25°C to achieve a maximum drive current of 2.5A - 24V, Ta= 25°C RDS(on) 350mΩ (typical value HS + LS).
  • 8.2~40V operating voltage range.
  • 3.3V reference voltage built in.
  • Surface m.

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Datasheet Details

Part number SS8844T
Manufacturer LEADPOWER
File Size 308.95 KB
Description Four-channel 1/2 H-bridge driver
Datasheet download datasheet SS8844T Datasheet
Additional preview pages of the SS8844T datasheet.

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    Full PDF Text Transcription

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    PRODUCT OVERVIEW The SS8844T offers four independently controlled 1/2 H-bridge starters. It can be used to drive two DC motors, a stepper motor, four solenoids, or other loads. The output driver channel for each channel consists of an Nchannel power MOSFETs configured in a 1/2 Hbridge configuration. The SS8844T delivers up to 2.5A peak current or 1.75A root mean square (RMS) output current (with appropriate printed circuit board (PCB) heat dissipation at 24V and 25°C) on each bridge channel. The SS8844T internal shut-off feature includes overcurrent protection, short circuit protection, undervoltage lock protection, and overtemperature protection, and provides a fault output pin nFAULT pin. The SS8844T is available in an ETSSOP28 package with a bare pad for improved heat dissipation.
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