bq24010,bq24012, bq24013, bq24014

SLUS530F − SEPTEMBER 2002 − REVISED AUGUST 2005

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9

FUNCTIONAL DESCRIPTION

The bqTINY

t supports a precision Li-Ion, Li-Pol charging system suitable for single-cells . Figure 2 shows a typical charge

profile, application circuit and Figure 5 shows an operational flow chart.

DC +

1

2

3

4

10

9

8

5

IN

VCC

OUT

VSS

STAT1

STAT2

7

6

BAT

TS

PG

ISET

bq24010DRC

+

BATTERY

PACK

PACK+

PACK−

RT1

RT2

VCC

CHARGE

DONE

POWERGOOD

0.47

µF

0.1

µF

RSET

DC −

UDG−02109

Figure 3. Typical Application Circuit

USB PORT

0.47

µF

0.1

µF

1

2

3

4

10

9

8

5

IN

VCC

OUT

VSS

STAT1

STAT2

7

6

BAT

ISET

bq24013DRC

+

BATTERY

PACK

PACK+

PACK−

SYSTEM

&

USB

CONTROLLER

CE

D+

D−

VBUS

GND

TTE

SI1032x

100 mA / 500 mA

2.26 k

Ω

9.09 k

Ω

UDG−02127

Figure 4. USB Charger Circuit