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2015-08-0009

PT0514-4

08/24/15

7

PI5USB2544

USB Charging Port Controller and Detection Power Switch

Electrical Characteristics, Charging Controller

4.5V≤V

Positive currents are into pins. Typical values are at 25°C. All voltages are with respect to GND. unless otherwise specified.

Symbol

Description

Test Conditions

Min.

Typ.

Max.

Unit

SHORTED MODE (BC1.2 DCP)

DP_IN/DM_IN shorting resistance

-

125

200

Ω

DCP-1.2V MODE

DP_IN/DM_IN output voltage

Apply 3V on DP_IN for 0.5s and

measure the D+/D- voltage within the 2s

1.19

1.25

1.31

V

DP_IN/DM_IN output impedance

60

75

94

kΩ

DIVIDER-1A MODE

DP_IN Divider-1A output voltage

1.9

2.0

2.1

V

DM_IN Divider-1A output voltage

2.57

2.7

2.84

V

DP_IN/DM_IN output impedance

7.5

10.5

16

kΩ

DIVIDER-2A MODE

DP_IN Divider-2A output voltage

2.57

2.7

2.84

V

DM_IN Divider-2A output voltage

1.9

2.0

2.1

V

DP_IN/DM_IN output impedance

7.5

10.5

16

kΩ

CHARGING DOWNSTREAM PORT

DP_IN CDP output voltage

0.5

0.6

0.7

V

DP_IN rising lower window

0.25

-

0.4

V

Hysteresis

(1)

-

50

-

mV

DP_IN rising upper window

0.8

-

1.5

V

Hysteresis

(1)

-

100

-

mV

LOAD DETECT- NON POWER WAKE

threshold

550

650

765

mA

Hysteresis

(1)

-

50

-

mA

Load detect set time

140

200

275

ms

Load detect reset time

1.9

3

4.2

s

Note:

(1) These parameters are provided for reference only and do not constitute part of Pericom's published device specifications for purposes

of Pericom's product warranty.