BQ24010 datasheet(3/25 Pages) TI

Part #	BQ24010

Description	SINGLE-CHIP, LI-ION CHARGE MANAGEMENT IC FOR HANDHELD APPLICATIONS (bqTINY??

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Manufacturer	TI [Texas Instruments]

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(1)

(

)

SET

O(OUT)

K

x V

(

)

(

)

I

=

R(

)

(2)

(

)

SET

PRECHG

SET

O(PRECHG)

K

x V

(

)

(

)

I

=

R(

)

(3)

(

)

SET

TAPER

SET

O(TAPER)

K

x V

(

)

(

)

I

=

R(

)

ELECTRICAL CHARACTERISTICS

bq24010, bq24012

bq24013, bq24014, bq24018

SLUS530H – SEPTEMBER 2002 – REVISED JUNE 2007

over 0

°C ≤ T

J ≤ 125°C and recommended supply voltage, (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT CURRENT

ICC(VCC)

VCC current

VCC > VCC(min), STATx pins in OFF state

0

3.5

5

mA

ICC(SLP)

Sleep current

Sum of currents into OUT and BAT pins, VCC < V(SLP)

5

μA

IIB(BAT)

Input bias current on BAT pin

500

nA

IIB(TS)

Input current on TS pin

VI(TS) ≤ 10 V

1

IIB(CE)

Input current on CE pin

1

μA

IIB(TTE)

Input bias current on TTE pin

1

VOLTAGE REGULATION VO(REG) + V(DO–MAX) ≤ VCC, I(TERM) < IO(OUT) ≤ 1 A

bq24010, bq24012, bq24013, bq24014

4.2

V

Output voltage, VO(REG)

bq24018

4.36

TA = 25°C

–0.5

0.5%

%

Voltage regulation accuracy

–1%

1%

V(DO)

Dropout voltage (V(IN) – V(OUT))

VO(REG) + V(DO–MAX)) ≤ VCC, IO(OUT) = 1A

650

790

mV

CURRENT REGULATION

VCC ≥ 4.5 V, VIN ≥ 4.5 V, VI(BAT) > V(LOWV),

IO(OUT)

(1)

Output current range

100

1000

mA

VIN – VI(BAT) > V(DO–MAX)

Voltage on ISET pin, VCC ≥ 4.5 V,

bq24010,

VIN ≥ 4.5 V, VI(BAT) > V(LOWV),

bq24012,

2.45

2.50

2.55

V

VIN – VI(BAT) > V(DO–MAX), VO(REG) = 4.2 V

bq24013,

V(SET)

Output current set voltage

bq24014

bq24018

2.548

2.6

2.652

V

50 mA

≤ I

O(OUT) ≤ 1000 mA, VI(ISET) ≥ V(TAPER)

315

335

355

K(SET)

Output current set factor

10 mA

≤ I

O(OUT) < 50 mA, VI(ISET) ≥ V(TAPER)

315

372

430

10 mA

≤ I

O(OUT) < 50 mA, VI(ISET) < V(TAPER)

350

1000

PRECHARGE AND SHORT-CIRCUIT CURRENT REGULATION

Precharge to fast-charge transition

Voltage on BAT pin

V(LOWV)

2.80

2.95

3.10

V

threshold

Precharge to short-charge transition

Voltage on BAT pin

V(SC)

1

1.4

1.8

V

threshold

IO(PRECHG)

(2)

Precharge range

V(SC) < VI(BAT) < V(LOWV), t < t(PRECHG)

10

100

mV

V(PRECHG)

Precharge set voltage

Voltage on ISET pin, V(SC) < VI(BAT) < V(LOWV)

225

250

280

mV

ISC

Short circuit current

V(SC) > VI(BAT)

660

900

1200

μA

CHARGE TAPER AND TERMINATION DETECTION

I(TAPER)

(3)

Charge taper detection range

VI(BAT) > V(RCH), t < t(TAPER)

10

100

mA

Voltage on ISET pin, VI(BAT) > V(RCH), t < t(TAPER),

V(TAPER)

Charge taper detection set voltage

225

250

275

mV

VI(BAT) = VO(REG)

Voltage on ISET pin, VI(BAT) = VO(REG),

V(TERM)

Charge termination detection set voltage

5

17.5

50.0

mV

VI(BAT) >V(RCH),I(TERM) = K(SET)

נ

V(TERM) /R(SET)

TEMPERATURE COMPARATOR

V(TS1)

Lower threshold

Voltage on TS pin

29

30

31

V(TS2)

Upper threshold

Voltage on TS pin

60

61

62

%VCC

Hysteresis

1

3

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