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L9959 - Single and dual PMOS high-side H-bridge

Description

L9959S/L9959U and L9959T are single and dual integrated H-bridges for resistive and inductive loads featuring output current direction and supervising functions.

Features

  • Full path RDSON less than 540 mΩ.
  • Continuous load current > 3 A.
  • Operating battery supply voltage 5 V to 28 V.
  • Operating VDD supply voltage 4.5 V to 5.5 V.
  • All ECU internal pins can withstand up to 18 V.
  • Output switching frequency up to 11 kHz.
  • Monitoring of VDD supply voltage.
  • SPI programmable output current limitation from 5 A to 8.6 A (in 3 steps).
  • Over temperature and short circuit protection.
  • Full diagnosis capability.
  • Fast switch-off.

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Full PDF Text Transcription

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L9959 Single and dual PMOS high-side H-bridge Datasheet - production data '!0'03 PowerSSO24 '!0'03 PowerSSO36  Current-monitoring with current feedback output signal CF  SPI-interface for configuration and diagnosis  Error history in second diagnosis register  Two independent enable pins: "/ABE" and "DIS"  Control of power stages by SPI or two input signals, PWM and DIR (configurable via SPI)  Logic levels 5 V compatible  Conformity to improved EMC requirements due to smart H-bridge switching Features  Full path RDSON less than 540 mΩ  Continuous load current > 3 A  Operating battery supply voltage 5 V to 28 V  Operating VDD supply voltage 4.5 V to 5.
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