TPS2480PWR datasheet(7/54 Pages) TI

Part #	TPS2480PWR

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

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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7 / 54 page

15

8

6

10

9

7

13

12

11

1

2

20

19

+

Enable

UVLO

Enable

POR

EN

GND

1.35V/

1.25V

8.4V/

8.3V

14

SENSE

S

+

2.7V/

1.25V

PROG

VCC

Enable

Inrush complete

9-ms

Deglitch

TIMER

PG

OUT

Fault

Logic

+

25m A

2.5m A

4V/1V

+

14V

GATE

2mA

Charge

Pump

22m A

Gate Control

Amplifier

4V

Reference

VREF

Constant

Power

Engine

Voltage Register

Current Register

Power Register

X

I2C

Interface

4

16

18

17

PGA

ADC

A1

A0

SCL

SDA

VS

VINM

VINP

GND

A

B

A

2B

50mV max

V(DS) Detector

I(D) Detector

For autoretry option

with duty cycle of 75%

TPS2480

TPS2481

www.ti.com

SLUS939A – APRIL 2010 – REVISED JUNE 2010

DEVICE INFORMATION

Functional Block Diagram

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7

Product Folder Link(s): TPS2480 TPS2481

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