1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

VLDOIN

VTT

VTTGND

VTTSNS

GND

MODE

VTTREF

COMP

VDDQSNS

VDDQSET

VBST

DRVH

LL

DRVL

PGND

CS

V5IN

PGOOD

S5

S3

PWP PACKAGE

(TOP VIEW)

TPS51116-EP

SLUSB52A – OCTOBER 2012 – REVISED NOVEMBER 2012

www.ti.com

DEVICE INFORMATION

TERMINAL FUNCTIONS

TERMINAL

NO.

I/O

DESCRIPTION

NAME

PWP

Output of the transconductance amplifier for phase compensation. Connect to V5IN to disable gm

COMP

8

I/O

amplifier and use D-CAP™ mode.

Current sense comparator input (-) for resistor current sense scheme. Or overcurrent trip voltage

CS

15

I/O

resistor.

DRVH

19

O

Switching (top) MOSFET gate drive output.

DRVL

17

O

Rectifying (bottom) MOSFET gate drive output.

GND

5

-

Signal ground. Connect to minus terminal of the VTT LDO output capacitor.

LL

18

I/O

sense.

MODE

6

I

Discharge mode setting pin. See VDDQ and VTT Discharge Control section.

Ground for rectifying (bottom) MOSFET gate driver. Also current sense comparator input(+) and

PGND

16

–

ground for powergood circuit.

Powergood signal open drain output, In HIGH state when VDDQ output voltage is within the target

PGOOD

13

O

range.

S3

11

I

S3 signal input.

S5

12

I

S5 signal input.

V5IN

14

I

5-V power supply input for internal circuits and MOSFET gate drivers.

VBST

20

I/O

Switching (top) MOSFET driver bootstrap voltage input.

VDDQSET

10

I

VDDQ output voltage setting pin. See VDDQ Output Voltage Selection section.

VDDQ reference input for VTT and VTTREF. Power supply for the VTTREF. Discharge current

VDDQSNS

9

I/O

sinking terminal for VDDQ Non-tracking discharge. Output voltage feedback input for VDDQ output

if VDDQSET pin is connected to V5IN or GND.

VLDOIN

1

I

Power supply for the VTT LDO.

VTT

2

O

Power output for the VTT LDO.

VTTGND

3

–

Power ground output for the VTT LDO.

VTTREF

7

O

VTTREF buffered reference output.

VTTSNS

4

I

Voltage sense input for the VTT LDO. Connect to plus terminal of the VTT LDO output capacitor.

8

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