UCS1001 datasheet(24/59 Pages) MICROCHIP

Part #	UCS1001

Description	USB Port Power Controller with Charger Emulation

PDF	59 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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USB Port Power Controller with Charger Emulation

Datasheet

Revision 1.2 (05-21-12)

SMSC UCS1001

DATASHEET

Figure 4.3 shows a system configuration in which the UCS1001-1 provides a port power switch, low

power Attach Detection, charger emulation (with no USB host), and charging active signaling.

Figure 4.4 shows a system configuration in which the UCS1001-2 provides a port power switch, low

power Attach Detection, charger emulation (with no USB host), and portable device Attach Detection

signaling. These configurations are useful for wall adapter type applications.

Figure 4.2 UCS1001-2 System Configuration (No Charger Emulation)

UCS1001-2

LATCH

ALERT#

PWR_EN

3 V – 5.5 V

GND

Device

DPIN

DMIN

DPOUT

DMOUT

VDD

5 V

VBUS1

VBUS2

VS1

VS2

ILIM

3 V – 5.5 V

Auto-recovery

Upon Fault

Latch

Upon Fault

EM_EN

SEL

A_DET#

5 V Host

CBUS

USB Host

(DP, DM)

Disable Detect

State

Enable Detect

Statet

CIN

VDD

UCS1001 Datasheet(PDF) 24 Page - Microchip Technology

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