BQ24013 Datasheet, PDF (6/21 Pages) Texas Instruments – SINGLE-CHIP, LI-ION CHARGE MANAGEMENT IC FOR HANDHELD APPLICATIONS (bq TINY)

bq24010, bq24012, bq24013, bq24014
SLUS530F − SEPTEMBER 2002 − REVISED AUGUST 2005
www.ti.com
TERMINAL FUNCTIONS
NAME
TERMINAL
I/O
bq24010 bq24012 bq24013 bq24014
DESCRIPTION
BAT
9
9
9
9
I Battery voltage sense input
CE
−
8
7
7
I Charge enable input (active low)
IN
1
1
1
1
I Charge input voltage. This input must be tied to the VCC pin.
ISET
6
6
6
6
O Charge current set point
OUT
10
10
10
10
O Charge current output
PG
7
7
−
−
O Power good status output (open collector)
STAT1
3
3
3
3
O Charge status output 1 (open collector)
STAT2
4
4
4
4
O Charge status output 2 (open collector)
TTE
−
−
8
−
I Timer and termination enable input (active low)
TS
8
−
−
8
I Temperature sense input
VCC
2
2
2
2
I VCC supply input
VSS
5
5
5
5
− Ground input
There is an internal electrical connection between the exposed thermal pad
Exposed
and VSS pin of the device. The exposed thermal pad must be connected to the
Thermal
pad
pad
pad
pad
− same potential as the Vss pin on the printed circuit board. Do not use the
PAD
thermal pad as the primary ground input for the device. VSS pin must be
connected to ground at all times.
6