A4059
BATTERY MANAGEMENT
AiT Semiconductor Inc.
www.ait-ic.com
STANDALONE LINEAR LI-ION BATTERY CHARGER
WITH THERMAL REGULATION
ELECTRICAL CHARACTERISTICS
TA=25℃, 4.2V Lithium battery, Unless specifically designated
Parameter
Input supply voltage
Symbol
VCC
Conditions
Min.
2.3
Typ.
Max.
6.5
Unit
V
Charge mode, RISET=10K
Standby mode
200
200
2000
500
Input supply current
Feedback Voltage
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
VFB
1.212 1.255 1.238
V
90
900
0
100
1000
-2.5
110
1100
-6
±0.1
±0.1
110
mA
BAT pin Current
IBAT
μA
Sleep mode, VCC=0V
VBAT<VTRIKL, RPROG=2k
Trickle charge current
Trickle charge Threshold
Voltage
Trickle voltage hysteresis
voltage
V CC undervoltage lockout
Threshold
VCC undervoltage lockout
hysteresis
ITRIKL
90
100
2.9
mA
V
VTRIKL
RISET=10K，VBAT Rising
2.8
3.0
110
3.93
300
VTRHYS RISET=10k
60
3.7
150
80
3.8
200
mV
V
VUV
VUVHYS
Vmsd
Vasd
Iterm
From V CC low to high
mV
V
Iset pin rising
Iset pin falling
VCC from low to high
VCC from high to low
RISET=10k
RISET=2k
RISET=10k, Current mode
VDD=5V,VBAT=-4.2V
1.15
0.9
70
5
20
120
0.93
-0.5
VCC-
0.3
VCC-
0.3
1.21
1.0
100
30
1.30
1.1
140
50
Manual shutdown threshold
voltage
VCC-VBAT Lockout Threshold
voltage
mV
mA
30
40
3C/10 Termination Current
Threshold
PROG pin Voltage
Battery reversed current
CHRG pin Output low
voltage
150
1.0
-0.7
190
1.07
-1
VCC+
0.3
VPROG
IFBAT
V
mA
VDONE
VCHRG
IDONE=5mA
ICHRG=5mA
V
V
CHRG pin Output low
voltage
VCC+
0.3
Recharge Battery threshold
Voltage
ΔVRECG VFLOAT - VRECHRG
80
120
mV
REV1.0 - OCT 2013 RELEASED -
- 4 -
AITSEMI [ AiT Semiconductor ]
