UCS1001 datasheet(15/59 Pages) MICROCHIP

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USB Port Power Controller with Charger Emulation

Datasheet

SMSC UCS1001

Revision 1.2 (05-21-12)

DATASHEET

Table 3.3 Electrical Specifications

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

Power and Interrupts - DC

Supply Voltage

VDD

4.5

5.5

See Note 3.2

Source Voltage

2.9

5.5

See Note 3.2

Supply Current in Active

(IDD_ACTIVE + IVS_ACT)

IACTIVE

650

750

µA

Average current

IBUS = 0 mA

Supply Current in Sleep

(IDD_SLEEP + IVS_SLEEP)

ISLEEP

µA

Average current

VPULLUP < VDD

Supply Current in Detect

(IDD_DETECT +

IVS_DETECT)

IDETECT

185

220

µA

Average current

No portable device attached.

Power-on Reset

VS Low Threshold

VS_UVLO

2.5

2.7

VS voltage increasing

VS Low Hysteresis

VS_UVLO_HYST

100

VS voltage decreasing

VDD Low Threshold

VDD_TH

4.4

VDD voltage increasing

VDD Low Hysteresis

VDD_TH_HYST

500

VDD voltage decreasing

I/O Pins - EM_EN, M1, M2, PWR_EN, S0, LATCH, ALERT#, CHRG# (UCS1001-1), A_DET# (UCS1001-2)

- DC Parameters

Output Low Voltage

VOL

0.4

ISINK_IO = 8 mA

ALERT#, CHRG#, A_DET#

Input High Voltage

VIH

2.0

PWR_EN, EM_EN, M1, M2,

LATCH, S0

Input Low Voltage

VIL

0.8

PWR_EN, EM_EN, M1, M2,

EM_EN, LATCH, S0

Leakage Current

ILEAK

±5

µA

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VPULLUP <= VDD

TA < 85 °C

Interrupt Pins - AC Parameters

ALERT#, A_DET#

(UCS1001-2) Pin

Blanking Time

tBLANK

ALERT# Pin Interrupt

Masking Time

tMASK

5ms

UCS1001 Datasheet(PDF) 15 Page - Microchip Technology

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