UCS1003-3 datasheet(80/138 Pages) MICROCHIP

Il numero della parte	UCS1003-3

Spiegazioni elettronici	USB Port Power Controller with Charger Emulation

PDF	138 Pages

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Produttore elettronici	MICROCHIP [Microchip Technology]

Homepage	http://www.microchip.com

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80 / 138 page

UCS1003-1/2/3

DS20005346B-page 80

 2014-2015 Microchip Technology Inc.

10.5

Current Limit Register

The Current Limit register controls the ILIM used by the

port power switch. The default setting is based on the

resistor on the COMM_SEL/ILIM pin and this value cannot

be changed to be higher than the hardware set value.

The contents of this register are retained in Sleep.

Name

Bits Address

Cof

Default

Current Limit

19h

R/W

00h

U-0

R/W-0

—

—ILIM_SW<2:0>(1)

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-3

Unimplemented:

Read as ‘0’

bit 2-0

ILIM_SW<2:0>:

ILIM Value Setting bits(1)

000

= 0.57A

001

= 1.00A

010

= 1.13A

011

= 1.35A

100

= 1.68A

101

= 2.05A

110

= 2.28A

111

= 2.85A (3.0A maximum)

Note 1:

Unless otherwise indicated, the values specified are the typical ILIM in Table 1-2.

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