Two Channels 2.97V to 16V Power MUX with Priority Selection

Features

  • Wide input voltage range: 2.97V to 16V
  • 16A current for Ch1 and 6A current for Ch2
  • Integrated back-to-back MOSFETs to block reverse current
  • 6mΩ Ron resistance for Ch1 and 18mΩ Ron resistance for Ch2
  • Accurate current monitor: ±2%
  • Adjustable output soft start time
  • Fast reverse blocking trip and recovery
  • Reverse current blocking
  • Adjustable current limit
  • Fault indication
  • Input OV and OT protections: latch-off mode for RS31326A and auto-retry mode for RS31326B
  • 4x4mm LGA-25 package
  • RoHS compliant and Green

Description

The RS31326 power mux is a dual input, single output device with low quiescent current and low Ron resistance. The wide operating input range allows the device to be used in many DC bus voltage applications.

With individual enable pin for both channels, the device can select and seamlessly transit between available input sources. With back-to-back MOSFETs design for both channels, the device blocks reverse current during switchover.

The device has a fast input switchover capability to reduce the potential output voltage drop during switchover, which allows fewer output capacitors to be used in the system.

The device has adjustable current limit, UVLO, input OV and over-temperature protection.

The device is available in LGA-25, 4×4 mm package.

Applications

  • Servers
  • Networking
  • Laptop and desktop

Ordering Information

Part Number Notes Status RoHS Package Buy / Sample
RS31326AR Latch Pre-Release Yes 4 x 4mm, LGA-25 Contact For Samples
RS31326BR  Auto Retry Pre-Release Yes 4 x 4mm, LGA-25 Contact For Samples

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