TPS25942ARVCR Description

TPS25942ARVCR eFuse Power MUX are compact and feature-rich power management devices with a full set of protection functions. The wide operating range allows the control of many popular DC bus voltages. The integrated back-to-back FET provides bi-directional current control, making the device ideal for power multiplexing and systems with multiple power supplies. Load, power, and device protection have many programmable functions. The thresholds for undervoltage, overvoltage, overcurrent, DVO/DT slope, good power supply and inrush current protection are all programmable to meet specific system requirements. For system condition monitoring and downstream load control, the device provides PGOOD, FLT and accurate current monitoring output. TPS25942 and TPS25944 monitor V (IN) and V (OUT) to provide true reverse blocking output when V (IN) < (V (OUT)-10 mV). The device can be configured to assign primary / auxiliary power priority using FLT and DMODE pins.

TPS25942ARVCR Features

1? 2.7 V to 18 V Operating Voltage, 20 V (Maximum)

? 42-mΩ RON (Typical)

? 0.6 A to 5.3 A Adjustable Current Limit (±8%)

? IMON Current Indicator Output (±8%)

? 200-μA Operating IQ (Typical)

? 15-μA Disabled IQ (Typical)

? ±2% Overvoltage, Undervoltage Thresholds

? Reverse Current Blocking

? 1-μs Reverse Voltage Shutoff

? Programmable dVo

/dt Control

? Power Good and Fault Outputs

? Two Overcurrent Fault Response Options

– TPS25942: I(LIMIT) with Thermal Shutdown

– TPS25944: 4 ms Fault Timer then Shutoff

? –40°C to +125°C Junction Temperature Range

? UL 2367 Recognized

– File No. 169910

– RILIM ≥ 20 kΩ (4.81 A Maximum)

? UL60950 Safe during Single Point Failure

– Open-Short ILIM detection

TPS25942ARVCR  Applications

? Power Path Management

? Redundant Power Supply Systems

? PCIe cards, NICs and RAID Systems

? USB Power Banks, Power MUXes

? SSDs and HDDs

? Tablets and Notebooks

? Adapter Power Devices

? PLCs, SS Relays and Fan Control