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TPS2556-Q1 Datasheet Precision Adjustable Current-Limited Power-Distribution Switches

Manufacturer: Texas Instruments

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General Description

The TPS2556-Q1 and TPS2557-Q1 powerdistribution switches are specialized for automotive applications which require precision current limiting or capacity to handle heavy capacitive loads and short circuits.

These devices offer a programmable currentlimit threshold between 500 mA and 5 A (typical) via an external resistor.

Control of the power-switch rise and fall times minimizes current surges during turnon or turnoff.

Overview

www.ti.com TPS2556-Q1, TPS2557-Q1 SLVSC97B – MARCH 20T14P–SR2E5V5I6S-EQD1S,ETPPTESM2B5E5R72-Q0210 SLVSC97B – MARCH 2014 – REVISED SEPTEMBER 2020 TPS255x-Q1 Precision Automotive Adjustable Current-Limited.

Key Features

  • AEC-Q100 Qualified.
  • Device HBM ESD Classification Level H2.
  • Device CDM ESD Classification Level C5.
  • Functional Safety-Capable.
  • Documentation available to aid functional safety system design.
  • Meets USB current-limiting requirements.
  • Adjustable current limit, 500 mA.
  • 5 A (typ. ).
  • ±6.5% current-limit accuracy at 4.5 A.
  • Fast short-circuit response.
  • 3.5 μs (typ. ).
  • 22-mΩ high-side MOSFET.

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