BQ24260SYFFT datasheet(8/46 Pages) TI1

Part #	BQ24260SYFFT

Description	3A, 30V, Host-Controlled Single-Input, Single Cell Switchmode Li-Ion Battery Charger

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Manufacturer	TI1 [Texas Instruments]

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IN

SW

+

BOOT

DRV

SYS

BAT

VMINSYS

BGATE

STAT

SDA

SCL

+

VDRV

TS

TS COLD

TS HOT

TS WARM

TS COOL

1C/

0.5C

DISABLE

VSYSREG Comparator

+

DC-DC CONVERTER PWM LOGIC,

COMPENSATION AND BATTERY

FET CONTROL

VBATREG

± 0.14V

+

VIN

4.8V

Reference

VBATSHRT

+

VBATSC Comparator

VBAT

Termination

Comparator

CHARGE

CONTROLLER

w/ Timers

VSUPPLY

Termination

Reference

VBATREG ± 0.12V

+

Recharge Comparator

VBAT

VSYS

Enable Linear

Charge

PGND

D-

Q3

Q2

Q1

I

CbCLimit

D+

USB

Adapter

Detection

Circuitry

1.5A /

USB100

I2C

Interface

References

Enable

IBATSHRT

+

Supplement COMPARATOR

VBAT VBSUP

VSYS

Hi-Impedance Mode

PSEL

bq24261/2

bq24260

Sleep

Comparator

VBAT+VSLP

Enable HiZ in

DEFAULT mode

+

IINLIM

VINDPM

VSYS(REG)

IBAT(REG)

VBAT(REG)

DIE Temp

Regulation

IBAT

VBATGD

Start Recharge

Cycle

DISABLE

+

VIN

OVP

Comparator

VINOVP

VBATOVP

+

VBOVP Comparator

VBAT

CD

Hi-Z

Mode

PMID

INT

bq24260

bq24261

bq24262A

SLUSBU4A – DECEMBER 2013 – REVISED JANUARY 2014

www.ti.com

Block Diagrams

Figure 1. Block Diagram in Charging Mode

8

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Product Folder Links: bq24260 bq24261 bq24262A

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