TPS2557QDRBRQ1

Features

• AEC-Q100 Qualified

  – Device HBM ESD Classification Level H2

  – Device CDM ESD Classification Level C5

• 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

Application

Automotive USB Charging Ports

Description


The TPS2556-Q1 and TPS2557-Q1 power-distribution 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 current-limit 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 Oor 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 low-loss, automotive-qualified,USB charging-port solution capable of charging all of today's popular phones and tablets.

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