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TPS2055A Datasheet Current-limited Power-distribution Switches

Manufacturer: Texas Instruments

Overview: www.ti.com TPS2045A, TPS2046A TPS2047A, TPS2048A, TPS2055A TPS2056A, TPS2057A, TPS2058A SLVS251C – SEPTEMBER 2000 – REVISED JANUARY 2008 CURRENT-LIMITED POWER-DISTRIBUTION.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The TPS2045A through TPS2048A and TPS2055A through TPS2058A power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered.

TPS2045A, TPS2055A D PACKAGE (TOP VIEW) GND IN IN EN† 1 2 3 4 8 OUT 7 OUT 6 OUT 5 OC TPS2046A, TPS2056A D PACKAGE (TOP VIEW) GND IN EN1† EN2† 1 2 3 4 8 OC1 7 OUT1 6 OUT2 5 OC2 TPS2047A, TPS2057A D PACKAGE (TOP VIEW) TPS2048A, TPS2058A D PACKAGE (TOP VIEW) GNDA IN1 EN1† EN2† GNDB IN2 EN3† NC 1 2 3 4 5 6 7 8 16 OC1 15 OUT1 14 OUT2 13 OC2 12 OC3 11 OUT3 10 NC 9 NC GNDA IN1 EN1† EN2† GNDB IN2 EN3† EN4† 1 2 3 4 5 6 7 8 16 OC1 15 OUT1 14 OUT2 13 OC2 12 OC3 11 OUT3 10 OUT4 9 OC4 † All enable inputs are active high for the TPS205xA series.

NC – No connect These devices incorporate 80-mΩ N-channel MOSFET high-side power switches for power-distribution systems that require multiple power switches in a single package.

Key Features

  • 1.
  • 80-mΩ High-Side MOSFET Switch.
  • 250 mA Continuous Current Per Channel.
  • Independent Thermal and Short-Circuit Protection With Overcurrent Logic Output.
  • Operating Range: 2.7-V to 5.5-V.
  • CMOS- and TTL-Compatible Enable Inputs.
  • 2.5-ms Typical Rise Time.
  • Undervoltage Lockout.
  • 10 µA Maximum Standby Supply Current for Single and Dual (20 µA for Triple and Quad).
  • Bidirectional Switch.
  • Ambient Temperature Range, 0.

TPS2055A Distributor

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