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TPS2556-Q1

Texas Instruments
Part Number TPS2556-Q1
Manufacturer Texas Instruments
Description Precision Adjustable Current-Limited Power-Distribution Switches
Published Sep 12, 2021
Detailed Description www.ti.com TPS2556-Q1, TPS2557-Q1 SLVSC97B – MARCH 20T14P–SR2E5V5I6S-EQD1S,ETPPTESM2B5E5R72-Q0210 SLVSC97B – MARCH 2014...
Datasheet PDF File TPS2556-Q1 PDF File

TPS2556-Q1
TPS2556-Q1

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 Power-Distribution Switches 1 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 • Operating range: 2.
5 V to 6.
5 V • 2-μA maximum standby supply current • Built-in soft-start • 15-kV and 8-kV system-level ESD capable • Safety-related certifications: – UL Recognized for UL 2367 – CB Certification for IEC 60950 – CB Certification for IEC 62368 2 Application Automotive USB Charging Ports 3 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.
TPS2556-Q1 and TPS2557-Q1 devices limit the output current to a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold.
The FAULT logic output asserts low during overcurrent and overtemperature conditions.
Use with the TPS2511-Q1 or TPS2513A-Q1 for a lowloss, automotive-qualified, USB charging-port solution capable of charging all of today's popular phones and tablets.
Device Information ORDER NUMBER PACKAGE(1) TPS2556QDRB S-PVSON (8) TPS2557QDRB S-PVSON (8) BODY SIZE 3 mm × 3 mm 3 mm × 3 mm (1) For all available packages, see the orderab...


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