BQ24205DGN datasheet(4/20 Pages) TI1

Part #	BQ24205DGN

Description	SINGLE-CHIP LI-ION AND LI-POL CHARGE MANAGEMENT IC FOR CURRENT-LIMITED APPLICATIONS

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Manufacturer	TI1 [Texas Instruments]

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OUTPUT CURRENT

PRE-CHARGE CURRENT REGULATION

CHARGE TERMINATION DETECTION

TEMPERATURE COMPARATOR

LOW VOLTAGE BATTERY THRESHOLD

BATTERY RECHARGE THRESHOLD

STAT OUTPUT

bq24200, bq24201

bq24202, bq24203

bq24204, bq24205

SLUS501C – OCTOBER 2001 – REVISED MARCH 2008

over 0

°C ≤ T

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IO(OUT)

Output current

See (1)

500

mA

I(SC)

Short-circuit trip current

See (1)

1

1.6

A

(1)

Assured by design, not production tested.

over 0

°C ≤ T

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

I(PRECHG)

Pre-charge current

VI(BAT) < V(LOWV), t < t(30min)

10

13.5

19

mA

I(DETECT)

Battery detection current

VI(BAT) < 2.5 V, t < t(30min)

160

210

300

µA

over 0

°C ≤ T

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

I(TAPER)

Taper current detect threshold

VI(BAT) > V(RCH)

21

25.5

31

mA

Charge termination current detect

VI(BAT) > V(RCH)

0.8

1.1

1.4

mA

I(TERM)

threshold

over 0

°C ≤ T

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

V(TS1)

Lower temperature threshold

TS pin voltage

30

%VCC

V(TS2)

Upper temperature threshold

TS pin voltage

60

%VCC

Accuracy

–0.7

0.7

%VCC

Hysteresis

1

%VCC

over 0

°C ≤ T

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

0

°C ≤ T

J ≤ 85°C

2.8

2.95

3.1

V

V(LOWV)

LowV threshold

2.8

3.0

3.2

V

over 0

°C ≤ T

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VO(REG)

VO(RE VO(REG)

Recharge threshold, VRCH (typically 100 mV below

–0.115

G)

–0.085

V

regulation)

–0.1

Vcc

≥ VO(REG) , over 0°C ≤ TJ ≤ 125°C and supply voltage range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOL(STAT)

Output (low) saturation voltage

IO = 10 mA

0.5

V

VOH(STAT)

Output (high) saturation voltage

IO = –5 mA

Vcc–1.5

V

4

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Product Folder Link(s): bq24200, bq24201 bq24202, bq24203 bq24204, bq24205

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