BQ24253RGET datasheet(10/49 Pages) TI

Part #	BQ24253RGET

Description	2A Single Input I2C, Standalone Switch-Mode Li-Ion Battery Charger with Power-Path Management

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Manufacturer	TI [Texas Instruments]

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SW

+

BOOT

LDO

V LDO

SYS

BAT

INT / PG

+

VLDO

TS

TS 0°C

TS -10°C

TS 45 °C

TS 10 °C

DISABLE

+

MINSYS

Amp

V OUTMIN Comparator

PWM

LOOP SELECT

COMPENSATION

DRIVER

VOUT

+

LDO

Termination

Comparator

CHARGE

CONTROLLER

IN

Charge

Pump

+

VBATREG

Amp

Charge

Pump

VBATREG – 0.12V

+

Recharge Comparator

VBAT

Batt Detect Or

Precharge

Curent Source

-

ICHG

Amp

PGND

Q4

Q2

Q1

CbC

Comparator

STAT/CHG

VREF_BATREG

,

V MINSYS

Reference

TJ

125C

_

Sleep

Comparator

VBAT+VSLP

VIN_DPM

Amp

+

TS 60°C

ILIM

VREF_INLIM

+

ISET

VREF_MINSYS

VSYSMIN

SCL

SDA

VDPM

+

VREF_DPM

Q3

_

I2C

Controller

/CE

VREF_TERM

+

VREF_ICHG

_

+

_

+

IIN_LIM

Amp

MINSYS

ICHG Amp

V MINSYS

MINSYS Comparator

+

VSYS

+

BATSHORT Comparator

VBAT

+

Supplement Comparator

VBAT VBSUP

VSYS

VBATSHRT

PMID

EN1 / D+

EN2 / D-

Input

current limit

decoder /

D+ and D-

Decoder

LDO

VDPM_DAC

Host

I2C Only

bq24250

bq24251

bq24253

SLUSBA1C – OCTOBER 2012 – REVISED JUNE 2013

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