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UCS2113 Datasheet USB Dual-Port Power Switch and Current Monitor

Manufacturer: Microchip Technology

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General Description

The UCS2113 is a dual USB port power switch configuration which can provide 3.0A continuous current (3.4A maximum) per VBUS port with precision overcurrent limiting (OCL), port power switch enables, auto-recovery fault handling, undervoltage and overvoltage lockout, back-drive protection and back-voltage protection, and thermal protection.

The UCS2113 is well suited for both stand-alone and applications having SMBus/I2C communications.

For applications with SMBus, the UCS2113 provides per-port current monitoring and eight programmable current limits per switch, ranging from 0.53A to 3.0A continuous current (3.4A maximum).

Overview

UCS2113 USB Dual-Port Power Switch and Current Monitor.

Key Features

  • Dual-Port Power Switches: - 2.9V to 5.5V source voltage range - 3.0A continuous current per VBUS port with 40 mī— On resistance per switch - Independent port power switch enable pins - DUAL fault ALERT# active drain output pins - Constant Current or Trip mode current limiting behaviors - Undervoltage and overvoltage lockout - Back-drive, back-voltage protection - Auto-recovery fault handling with low test current - BOOST# logic output to increase DC-DC converter output under large load.

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