A4052
BATTERY MANAGEMENT
AiT Semiconductor Inc.
www.ait-ic.com
1A IS COMPATIBLE WITH THE USB INTERFACE,
LINEAR BATTERY MANAGEMENT CHIP
ELECTRICAL CHARACTERISTICS
TA=25℃, Unless specifically designated
Parameter
Symbol
VCC
Conditions
Min.
4.25
Typ.
Max.
6.5
Unit
V
Input supply voltage
Charge mode, RISET=10K
200
200
2000
Standby mode
500
Input supply current
ICC
μA
Shutdown mode (RISET not
connected, VCC<VBAT or VCC<VUV)
0℃≤TA≤85℃, IBAT=40mA
RISET =10k,Current mode
RISET =1k,Current mode
Standby mode, VBAT=4.2V
Shutdown mode
25
70
Regulated Output Voltage
VFLOAT
4.158
90
4.2
100
4.242
110
V
mA
900
0
1000
-2.5
1100
-6
BAT pin Current
IBAT
±0.1
±0.1
110
μA
Sleep mode, VCC=0V
VBAT<VTRIKL, RPROG=2k
Trickle charge current
Trickle charge Threshold
Voltage
ITRIKL
90
110
2.9
mA
V
VTRIKL
RISET=10K，VBAT Rising
2.8
3.0
110
3.93
300
Trickle voltage hysteresis
voltage
VTRHYS RISET=10k
60
3.7
150
80
3.8
200
mV
V
V CC undervoltage lockout
Threshold
VUV
From V CC low to high
VCC undervoltage lockout
hysteresis
VUVHYS
Vmsd
Vasd
mV
Iset pin rising
1.15
0.9
70
1.21
1.0
100
30
1.30
1.1
140
50
V
V
Manual shutdown threshold
voltage
Iset pin falling
VCC from low to high
VCC from high to low
RISET =10k
VCC-VBAT Lockout Threshold
voltage
mV
5
8
10
12
C/10 Termination Current
Threshold
Iterm
VPROG
VDONE
mA
V
RISET =2k
40
50
65
PROG pin Voltage
CHRG pin Output low
voltage
RISET =10k, Current mode
0.93
1.0
1.07
IDONE=5mA
ICHRG=5mA
0.35
0.35
150
0.6
0.6
20
V
CHRG pin Output low
voltage
VCHRG
V
Recharge Battery threshold
Voltage
ΔVRECG VFLOAT - VRECHRG
mV
REV1.0
- OCT 2013 RELEASED -
- 4 -
AITSEMI [ AiT Semiconductor ]
