TPS5102 datasheet(3/31 Pages) TI

Part #	TPS5102

Description	DUAL, HIGH-EFFICIENCY CONTROLLER FOR NOTEBOOK PC POWER

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Manufacturer	TI [Texas Instruments]

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TPS5102

DUAL, HIGH-EFFICIENCY CONTROLLER FOR NOTEBOOK PC POWER

SLVS239 - SEPTEMBER 1999

3

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

AVAILABLE OPTIONS

TA

PACKAGE

EVM

TSSOP(DBT)

–40

°C to 85°C

TPS5102IDBT

TPS5102EVM-135

TPS5102IDBTR

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

COMP

12

I/O

Voltage monitor comparator input

CT

5

I/O

External capacitor connection for switching frequency adjustment

FB1

2

O

CH1 error amp output

FB2

14

O

CH2 error amp output

GND

7

Control GND

INV1

1

I

CH1 inverting input

INV2

15

I

CH2 inverting input

LH1

30

I/O

CH1 boost capacitor connection

LH2

16

I/O

CH2 boost capacitor connection

LL1

28

I/O

CH1 boost circuit connection

LL2

18

I/O

CH2 boost circuit connection

OUT1_d

27

I/O

CH1 low-side gate-drive output

OUT2_d

19

O

CH2 low-side gate-drive output

OUT1_u

29

O

CH1 high-side drive output

OUT2_u

17

O

CH2 high-side drive output

OUTGND1

26

Output GND 1

OUTGND2

20

Output GND 2

PWM_SKIP

4

I

PWM/SKIP mode select

L:PWM mode

H:SKIP mode

REF

8

O

1.185-V reference voltage output

REG5V_IN

21

I

External 5-V input

RT

6

I/O

External resistor connection for switching frequency adjustment

SOFTSTART1

3

I/O

External capacitor connection for CH1soft start timing.

SOFTSTART2

13

I/O

External capacitor connection for CH2 soft start timing.

STBY1

9

I

CH1 stand-by control

STBY2

10

I

CH2 stand-by control

TRIP2

23

I

External resistor connection for CH2 over current protection.

TRIP1

25

I

External resistor connection for CH1 over current protection.

VCC

11

Supply voltage input

Vref5

22

O

5-V internal regulator output

VCC_CNTP

24

I

Supply voltage sense input

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