TPS2480PWR datasheet(9/54 Pages) TI

No de pièce	TPS2480PWR

Description	Positive Voltage Intelligent Protection Device Hotswap Controller and I2C Current Monitor

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Fabricant	TI [Texas Instruments]

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1

2

3

4

5

6

7

8

9

10

SDA

SDL

NC

VS

NC

EN

VREF

PROG

TIMER

GND

20

19

18

17

16

15

14

13

12

11

A0

A1

VINM

VINP

GND

VCC

SENSE

GATE

OUT

PG

TPS2480/81

TPS2480

TPS2481

www.ti.com

SLUS939A – APRIL 2010 – REVISED JUNE 2010

20-Pin TSSOP

Table 1. TERMINAL FUNCTIONS

FUNCTION

TPS2480/81

DESCRIPTION

SDA

1

I2C Data Line

SCL

2

I2C Clock

NC

3

Tie to GND or float

VS

4

Power input to the I2C block, 3.3 V to 5 V

NC

5

No connection, tie to GND or float

EN

6

Device enable

VREF

7

Reference voltage output, used to set power threshold on PROG pin

PROG

8

Power-limit setting input

TIMER

9

Fault timing capacitor

GND

10

GND

PG

11

Power good reporting output, open-drain

OUT

12

Output voltage feedback

GATE

13

Gate output

SENSE

14

Current-limit sense input

VCC

15

Main power supply input to device and FET

GND

16

GND

VINP

17

Positive differential shunt voltage. Connect to positive side of shunt resistor

Negative differential shunt voltage. Connect to negative side of shunt resistor. Bus voltage is

VINM

18

measured from this pin to GND

A1

19

Address pin. Table 2 shows pin settings and corresponding addresses.

A0

20

Address pin. Table 2 shows pin settings and corresponding addresses.

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