Datasheet > UCS2113

UCS2113

更新时间： 2024-11-28 02:50:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
62页	900K
描述
USB Dual-Port Power Switch and Current Monitor

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UCS2113 数据手册

UCS2113

USB Dual-Port Power Switch and Current Monitor

Features

Description

• Dual-Port Power Switches:

The UCS2113 is a dual USB port power switch

configuration which can provide 3.0A continuous

current (3.4A maximum) per V_BUSport 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.

- 2.9V to 5.5V source voltage range

- 3.0A continuous current per V_BUSport with

40 m 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

The UCS2113 is well suited for both stand-alone and

applications having SMBus/I²C communications.

- Undervoltage and overvoltage lockout

- Back-drive, back-voltage protection

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). Per-port charge

rationing is also provided ranging from 3.8 mAh to

246.3 Ah.

- Auto-recovery fault handling with low test

current

- BOOST# logic output to increase DC-DC

converter output under large load conditions

• SMBus 2.0/I²C Mode Features:

In stand-alone mode, the UCS2113 provides eight

current limits for both switches, ranging from

0.53A + 0.53A to 3A + 3A total continuous current

(see Table 1-1).

- Eight programmable current limits assignable

to each power switch

- Other SMBus addresses available upon

request

Both power switches include an independent V_BUS

discharge function and constant current mode current

limiting for BC1.2 applications.

- Block read and block write

• Self-Contained Current Monitoring (No External

Sense Resistor Required)

The UCS2113 is available in a 4x4 mm 20-pin QFN

package.

• Fully Programmable Per-Port Charge Rationing

and Behaviors

• Configurable Per-Port BC1.2 V_BUSDischarge

Function

Package Type

UCS2113

4 x 4 QFN*

• Wide Operating Temperature Range:

- -40°C to +105°C

• UL Recognized and EN/IEC 60950-1 (CB)

Certified

• Passes Automotive AEC-Q100 Reliability Testing

20 19 18 17

PWR_EN1

GND

PWR_EN2

GND

COMM_ILIM

V_BUS2

BOOST#

V_BUS1

V_BUS2

V_BUS1

* Includes Exposed Thermal Pad (EP); see Table 3-1.



2016-2021 Microchip Technology Inc. and its subsidiaries

DS20005680B-page 1

12 3 4 5 6 7...62

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