ꢀ ꢁ ꢂ ꢃꢄ ꢅ ꢂꢆ ꢀ ꢁ ꢂ ꢃꢄꢅ ꢇ
SLUS553D − MAY 2003 − REVISED JULY 2005
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
ACDET
bq24702 bq24703
(PW)
(QFN)
26
25
8
1
I
O
I
AC or adapter power detection
ACDRV
ACN
24
11
12
2
AC or adapter power source selection output
Negative differential input
Positive differential input
ACP
9
I
ACPRES
ACSEL
ACSET
ALARM
BATDEP
BATDRV
BATP
27
28
3
O
I
AC power indicator
3
AC adapter power select
6
I
Adapter current programming voltage
Alarm output
19
4
19
1
O
I
Depleted battery level
23
13
9
24
12
6
O
I
Battery power source select output
Battery charge regulation voltage measurement input to the battery-voltage g amplifier
m
BATSET
COMP
ENABLE
GND
I
External override to an internal precision reference
Inverting input to the PWM comparator
Charge enable
10
8
7
O
I
5
17
14
21
15
16
5
17
13
21
15
16
2
O
O
O
I
Supply return and ground reference
Battery current differential amplifier output
Gate drive output
IBAT
PWM
SRN
Negative differential battery current sense amplifier input
Positive differential battery current sense amplifier input
Battery charge current programming voltage
Operational supply voltage
SRP
I/O
I
SRSET
VCC
22
20
7
22
20
4
I
VHSP
VREF
VS
O
O
I
Voltage source to drive gates of the external MOSFETs
Precision 5-V reference
18
18
System (load) voltage input pin
12
www.ti.com
TI [ TEXAS INSTRUMENTS ]
