UCS1002-3 datasheet(7/114 Pages) MICROCHIP

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DS20006852A-page 7

UCS1002-3

Total Jitter

—200

—

RTERM =50, CLOAD =5pF,

Rise Time = Fall Time = 500 ps

at 480 Mbps (PRBS = 215 –1)

Skew of Opposite Transitions

of the Same Output

tSK(P)

—20

—

RTERM =50, CLOAD =5pF

Port Power Switch

Port Power Switch – DC Parameters

Overvoltage Lockout

VS_OV

—6

—

On Resistance

RON_PSW

—55



4.75V < VS < 5.25V

VS Leakage Current

ILEAK_VS

—

2.22

µA

Sleep state into VS pin

Back-Voltage Protection

Threshold

VBV_TH

—

150

—

VBUS > VS,

VS > VS_UVLO

Back-Drive Current

IBD_1

—

µA

VDD < VDD_TH,

Any powered power pin to any

unpowered power pin. Current

out of unpowered pin.

IBD_2

—

µA

VDD < VDD_TH,

Any powered power pin to any

unpowered power pin, except

for VDD to VBUS in Detect

power state and VS to VBUS

in Active power state. Current

out of unpowered pin.

Selectable Current Limits

ILIM1

450

467

500

ILIM Resistor = 0 or 47 k



(500 mA setting)

ILIM2

810

839

900

ILIM Resistor = 10 k

 or 56 k

(900 mA setting)

ILIM3

900

932

1000

ILIM Resistor = 12 k

 or 68 k

(1000 mA setting)

ILIM4

1080

1112

1200

ILIM Resistor = 15 k

 or 82 k

(1200 mA setting)

ILIM5

1350

1385

1500

ILIM Res. = 18 k

 or 100 k

(1500 mA setting)

ILIM6

1620

1702

1800

ILIM Res. = 22 k

 or 120 k

(1800 mA setting)

ILIM7

1800

1892

2000

ILIM Res. = 27 k

 or 150 k

(2000 mA setting)

ILIM8

2250

2355

2500

ILIM Resistor = 33 k

 or VDD

(2500 mA setting)

Pin Wake Time

tPIN_WAKE

—3

—

SMBus Wake Time

tSMB_WAKE

—4

—

Idle Sleep Time

tIDLE_SLEEP

—200

—

TABLE 1-2:

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics: Unless otherwise specified, VDD = 4.5V to 5.5V, VS = 2.9V to 5.5V, VPULLUP = 3V to 5.5V,

TA = -40°C to +85°C; all Typical values at VDD = VS = 5V, TA = +27°C.

Parameter

Sym.

Min.

Typ.

Max.

Unit

Conditions

Note 1: For split supply systems using the Attach Detection feature, VS must not exceed VDD + 150 mV.

2: The current measurement full-scale range maximum value is 2.5A. However, the UCS1002-3 cannot

report values above ILIM (if IBUS_R2MIN  ILIM) or above IBUS_R2MIN (if IBUS_R2MIN > ILIM and ILIM 1.5A).

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