BQ24125RHLRG4 datasheet(6/39 Pages) TI1

Part #	BQ24125RHLRG4

Description	Single-Chip Switched-Mode, Li-Ion, and Li-Polymer Charge-Management IC

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Manufacturer	TI1 [Texas Instruments]

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V

IREG*PRE +

0.1V

RSET2

1000,

bq24120, bq24123, bq24125

SLUS688H – MARCH 2006 – REVISED NOVEMBER 2015

www.ti.com

Electrical Characteristics (continued)

TJ = 0°C to 125°C and recommended supply voltage range (unless otherwise stated)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

V(LOWV) ≤ VI(BAT) ≤ VO(REG),

V(ISET1)

Output current set voltage

1

V

V(VCC) ≥ VI(BAT) + V (DO-MAX)

VLOWV ≤ VI(BAT) < VO(REG) ,

K(ISET1)

Output current set factor

1000

V/A

V(VCC) ≥ VI(BAT) + V(DO-MAX)

PRECHARGE AND SHORT-CIRCUIT CURRENT REGULATION

Precharge to fast-charge transition voltage

VLOWV

68

71.4

75

%VO(REG)

threshold, BAT

Deglitch time for precharge to fast charge

Rising voltage;

t

20

30

40

ms

transition

tRISE, tFALL = 100 ns, 2-mV overdrive

IOPRECHG

Precharge range

VI(BAT) < VLOWV, t < tPRECHG

15

200

mA

V(ISET2)

Precharge set voltage, ISET2

VI(BAT) < VLOWV, t < tPRECHG

100

mV

K(ISET2)

Precharge current set factor

1000

V/A

10 mV

≤ VIREG-PRE ≤ 100 mV,

(1)

VIREG-PRE

Voltage regulated across RSNS-Accuracy

–20%

20%

Where

1.0 k

Ω ≤ RSET2 ≤ 10 kΩ, Select RSET2

to program VIREG-PRE,

VIREG-PRE (Measured) = IOPRE-CHG × RSNS

(–20% to 20% excludes errors due to RSET2

and RSNS tolerances)

6

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Product Folder Links: bq24120 bq24123 bq24125

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BQ24125RHLRG4 Datasheet(PDF) 6 Page - Texas Instruments

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