TPS2540, TPS2540A

TPS2541, TPS2541A

www.ti.com

SLVSAG2C

– OCTOBER 2010 – REVISED OCTOBER 2011

ELECTRICAL CHARACTERISTICS (continued)

Conditions are -40

CTL3 = GND (TPS2541/41A), unless otherwise noted. Positive currents are into pins. Typical values are at 25

°C. All voltages

are with respect to GND unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DCP Shorted Mode Charger Interface

DP_IN/DM_IN shorting

CTLx configured for DCP BC1.2

125

200

Ω

resistance

Discharge resistance

DM_IN and DP_IN to

CTLx configured for DCP BC1.2

2

3.2

6

M

Ω

GND

Divider Mode Charger Interface

DP_IN output voltage

1.9

2

2.1

V

DM_IN output voltage

2.57

2.7

2.84

CTLx configured for divider mode

DP_IN output impedance

8

10

12.5

k

Ω

DM_IN output impedance

8

10

12.5

CDP Interface

Voltage source on

0.5

0.6

0.7

DM_IN for CDP detect

V

DP_IN rising voltage

threshold to activate

0.25

0.4

50

mV

DP_IN rising voltage

threshold to deactivate

0.8

1

V

100

mV

DP_IN sink current

0.4 V

50

150

µA

Timings

DM_IN voltage source

1

10

enable time, CDP mode

configured for CDP

DM_IN voltage source

10

disable time, CDP mode

for CDP

ms

Time for OUT to be

Any transition to and from CDP, or to and from SDP. Also

200

500

below 0.7 V during

during Auto-detect to shorted mode.

discharge

Timing Requirements

Session valid (IN high) to

TPS2540/TPS2541

1

VDP_SRC in DCP mode

s

When VBUS is high, (TPS2540, TPS2541)

0.9

Low DP_IN period in

DCP mode

When VBUS is high, (TPS2540A, TPS2541A)

9

Copyright

© 2010–2011, Texas Instruments Incorporated

Submit Documentation Feedback

7

Product Folder Link(s): TPS2540, TPS2540A TPS2541, TPS2541A