UCS1001 datasheet(16/59 Pages) MICROCHIP

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USB Port Power Controller with Charger Emulation

Datasheet

Revision 1.2 (05-21-12)

SMSC UCS1001

DATASHEET

High-speed Data Switch

High-speed Data Switch - DC Parameters

Switch Leakage Current

IHSW_OFF

±0.5

µA

Switch open - DPIN to DPOUT,

DMIN to DMOUT, or all four

pins to ground. VDD < VS.

Charger Resistance

RCHG



DPOUT or DMOUT to VBUS or

ground, see Figure 3.2

BC1.2 DCP charger emulation

active

On Resistance

RON_HSW



Switch closed, VDD = 5 V

test current = 8 mA, test

voltage = 0.4 V, see Figure 3.2

On Resistance

RON_HSW_1



Switch closed, VDD = 5 V,

test current = 8 mA, test

voltage = 3.0 V, see Figure 3.2

Delta On Resistance

RON_HSW

±0.3



Switch closed, VDD = 5 V

ITST = 8 mA, VTST = 0 to 1.5 V,

see Figure 3.2

High-speed Data Switch - AC Parameters

DP, DM Capacitance to

Ground

CHSW_ON

Switch closed

VDD = 5 V

DP, DM Capacitance to

Ground

CHSW_OFF

Switch open

VDD = 5 V

Turn Off Time

tHSW_OFF

400

µs

Time from state control

(EM_EN, M1, M2) switch on to

switch off, RTERM = 50 ,

CLOAD = 5 pF

Turn On Time

tHSW_ON

400

µs

Time from state control

(EM_EN, M1, M2) switch off to

switch on, RTERM = 50 ,

CLOAD = 5 pF

Propagation Delay

tPD

0.25

RTERM = 50 , CLOAD = 5 pF

Propagation Delay Skew

tPD

RTERM = 50 , CLOAD = 5 pF

Rise/Fall Time

tF/R

RTERM = 50 , CLOAD = 5 pF

DP - DM Crosstalk

XTALK

-40

RTERM = 50 , CLOAD = 5 pF

Off Isolation

OIRR

-30

RTERM = 50 , CLOAD = 5 pF

f = 240 MHz

Table 3.3 Electrical Specifications (continued)

VDD = 4.5 V to 5.5 V, VS = 2.9 V to 5.5 V, VPULLUP = 3V to 5.5V, TA = -40 °C to 85 °C

all Typical values at VDD = VS = 5 V, TA = 27 °C unless otherwise noted.

CHARACTERISTIC

SYMBOL

MIN

TYP

MAX

UNIT

CONDITIONS

UCS1001 Datasheet(PDF) 16 Page - Microchip Technology

UCS1001 Datasheet(HTML) 16 Page - Microchip Technology

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