ꢀ ꢁ ꢂ ꢃꢄ ꢅ ꢂꢆ ꢀ ꢁ ꢂ ꢃꢄꢅ ꢇ
SLUS553D − MAY 2003 − REVISED JULY 2005
RECOMMENDED OPERATING CONDITIONS
(T = T
A OPR
) all voltages relative to Vss
MIN
MAX
28
28
28
28
28
28
5
UNIT
Analog and PWM operation
Selector operation
7.0
Supply voltage, (VCC)
V
4.5
Negative ac current sense, (ACN)
Positive ac current sense, (ACP)
Negative battery current sense, (SRN)
Positive battery current sense, (SRP)
AC or adapter power detection (ACDET)
AC power indicator (ACPRES)
7.0
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
°C
7.0
5
5
0
0
5
AC adapter power select (ACSEL)
Depleted battery level (BATDEP)
0
5
0
5
Battery charge current programming voltage (SRSET)
Charge enable (ENABLE)
0
2.5
5
0
External override to an internal 0.5% precision reference (BATSET)
Inverting input to the PWM comparator (COMP)
0
2.5
5
0
Battery charge regulation voltage measurement input to the battery—voltage g amplifier (BATP)
m
0
5
Battery current differential amplifier output (IBAT)
System load voltage input pin (VS)
Depleted battery alarm output (ALARM)
Gate drive output (PWM)
0
5
0
0
2.5
5
VHSP
0
VCC
28
VCC
2.5
85
Battery power source select output (BATDRV)
AC or adapter power source selection output (ACDRV)
ACSET
VHSP
0
Operating free-air temperature, T
−40
A
4
www.ti.com
TI [ TEXAS INSTRUMENTS ]
