BQ24741 datasheet(10/30 Pages) TI

Part #	BQ24741

Description	Li-Ion or Li-Polymer Battery Charger with Low Iq and Accurate Trickle Charge

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Manufacturer	TI [Texas Instruments]

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bq24741

SLUS875A – MARCH 2009 – REVISED MARCH 2009 ...................................................................................................................................................... www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

8.0 V

≤ VPVCC ≤ 24 V, 0°C < TJ < +125°C, Fs=600 kHz, typical values are at TA = 25°C, with respect to AGND (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

LOGIC INPUT PIN CHARACTERISTICS (CELLS)

VIN_LO

Input low threshold voltage, 3 cells

CELLS voltage falling edge

0.5

Input mid threshold voltage, 2 cells

CELLS voltage rising for MIN,

VIN_MID

0.8

1.8

V

CELLS voltage falling for MAX

VIN_HI

Input high threshold voltage, 4 cells

CELLS voltage rising

2.5

IBIAS_FLOAT

Input bias float current for 2 cell

VCE = 0 to VREGN

–1

1

µA

selection

OPEN-DRAIN LOGIC OUTPUT PIN CHARACTERISTICS ( EXTPWR, DPMDET, LPMOD)

VOUT_LO

Output low saturation voltage

Sink Current = 5 mA

0.5

V

Leakage current

Pull up to 3.3 v

1

µA

DPMDET delay, both edge

5

ms

10

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