TPS2543

SLVSBA6 – FEBRUARY 2012

www.ti.com

ELECTRICAL CHARACTERISTICS, CHARGING CONTROLLER

Unless otherwise noted: –40

voltages are with respect to GND.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SHORTED MODE

VCTL1 = VIN, VCTL2 = VCTL3 = 0V

DP_IN / DM_IN shorting resistance

125

200

Ω

DIVIDER1 MODE

DP_IN Divider1 output voltage

1.9

2.0

2.1

V

DM_IN Divider1 output voltage

2.57

2.7

2.84

V

DP_IN output impedance

8

10.5

12.5

k

Ω

DM_IN output impedance

8

10.5

12.5

k

Ω

DIVIDER2 MODE

IOUT = 1A

DP_IN Divider2 output voltage

2.57

2.7

2.84

V

DM_IN Divider2 output voltage

1.9

2.0

2.1

V

DP_IN output impedance

8

10.5

12.5

k

Ω

DM_IN output impedance

8

10.5

12.5

k

Ω

CHARGING DOWNSTREAM PORT

VCTL1 = VCTL2 = VCTL3 = VIN

DM_IN CDP output voltage

0.5

0.6

0.7

V

DP_IN rising lower window thresholdfor

0.25

0.4

V

50

mV

DP_IN rising upper window thresholdfor

0.8

1

V

100

mV

DP_IN sink current

40

70

100

µA

LOAD DETECT – NON POWER WAKE

VCTL1 = VCTL2 = VCTL3 = VIN

IOUT rising load detect current threshold

635

700

765

mA

50

mA

Load detect set time

140

200

275

ms

Load detect reset time

1.9

3

4.2

s

LOAD DETECT – POWER WAKE

VCTL1 = VCTL2 = 0V, VCTL3 = VIN

Power wake short circuit current limit

32

55

78

mA

23

45

67

mA

detection threshold

5

mA

Power wake reset time

10.7

15

20.6

s

(1)

These parameters are provided for reference only and do not constitute part of TI's published device specifications for purposes of TI's

product warranty.

6

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