TPS2553DRVR Description

The TPS2553DRVR is a current-limited, power-distribution switch that uses N-channel MOSFETs to supply up to 1.5 A of continuous load current for applications with short circuits or heavy capacitive loads. Using an external resistor, the user can program the current-limit threshold between 75 mA and 1.7 A (typ). At the higher current-limit levels, current-limit accuracy of up to 6% can be reached. To minimize current surges during turn on/off, the rise and fall times of the power switch are managed. 

TPS2553DRVR Features

• Built-in Soft-Start

• Operating Range: 2.5 V to 6.5 V

• Up to 1.5 A Maximum Load Current

• Fast Overcurrent Response - 2-μs (typ)

• Backwards Compatible with TPS2550/51

• Reverse Input-Output Voltage Protection

• ±6% Current-Limit Accuracy at 1.7 A (typ)

• 85-m? High-Side MOSFET (DBV Package)

• Meets USB Current-Limiting Requirements

• Adjustable Current Limit, 75 mA–1300 mA (typ)

• UL Listed–File No. E169910 and NEMKO IEC60950-1-am1 ed2.0

• 15 kV ESD Protection per IEC 61000-4-2 (with External Capacitance)

• Constant-Current (TPS2552/53) and Latch-off (TPS2552-1/53-1) Versions

TPS2553DRVR Applications

• Digital TV

• VOIP Phones

• Set-Top Boxes

• USB Ports/Hubs

• Auto-Retry Functionality

• Two-Level Current-Limit Circuit

• Typical Application as USB Power Switch

• Universal Serial Bus (USB) Power-Distribution Requirements