UCS2113-C datasheet(6/60 Pages) MICROCHIP

6 / 60 page

UCS2113-C

DS20006466A-page 6

 2020 Microchip Technology Inc.

Auto-Recovery Test Voltage

VTEST

—

750

—

Portable device attached,

VBUS = 0 V before application,

Die temp < TTSD

Programmable, 250 - 1000 mV,

default listed

Discharge Impedance

RDISCHARGE

—

100

—



Port Power Switch - AC Parameters

Turn-On Delay

tON_PSW

—

0.9

—

PWR_EN active toggle to

switch on time, VBUS discharge

not active

Turn-Off Time

tOFF_PSW_INA

—

0.75

—

PWR_EN inactive toggle to

switch off time

CBUS = 120 µF

Turn-Off Time

tOFF_PSW_ERR

—

Over-current Error, VBUS Min

Error, or Discharge Error to

switch off

CBUS = 120 µF

Turn-Off Time

tOFF_PSW_ERR1

—

100

—

TSD or Back-drive Error to

switch off

CBUS = 120 µF

VBUS Output Rise Time

tR_BUS

—

1.1

—

Measured from 10% to 90% of

VBUS, CLOAD = 220 µF

ILIM = 1.0A

Soft Turn-On Rate

IBUS/t

—

100

—

mA/µs

Temperature Update Time

tDC_TEMP

—

200

—

Short-Circuit Response Time

tSHORT_LIM

—

1.5

—

µs

Time from detection of short to

current limit applied.

No CBUS applied

Short-Circuit Detection Time

tSHORT

—

Time from detection of short to

port power switch disconnect

and ALERT# pin assertion

Latched Mode Cycle Time

tUL

—

From PWR_EN edge transition

from inactive to active to begin

error recovery

Auto-Recovery Mode Cycle

Time

tCYCLE

—

Time delay before error

condition check.

Programmable 15-50 ms,

default listed

Auto-Recovery Delay

tTST

—

Portable device attached, VBUS

must be > VTEST after this time.

Programmable 10-25 ms,

default listed

Discharge Time

tDISCHARGE

—

200

—

Amount of time discharge

resistor applied.

Programmable 100-400 ms,

default listed

TABLE 1-2:

ELECTRICAL SPECIFICATIONS (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 105°C. All typical values at VDD = VS = 5V, TA = 27°C.

Characteristic

Symbol

Min.

Typ.

Max.

Unit

Conditions

Note 1:

This parameter is characterized, not 100% tested.

This parameter is ensured by design and not 100% tested.

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