ACE4054
Fully integrated constant current/constant voltage
Electrical Characteristics
V
CC
=5V,T
A
=25℃, R
PROG
=10K, unless otherwise note.
Li-ion battery charger
Parameter
Input Supply Voltage
Symbol
V
CC
Conditions
Charge Mode(Note 1)
Standby Mode (Charge
Terminated)
Shutdown Mode (R
PROG
Not
Connected, V
CC
<V
BAT
, or
V
CC
<V
ULO
)
I
BAT
=40mA
Current Mode
R
PROG
=2K, Current Mode
Standby Mode, V
BAT
=4.2V
Shutdown Mode (R
PROG
Not
Connected)
Sleep Mode, VCC=0V
V
BA
T<V
TRIKL
, R
PROG
=2K
V
BAT
Rising
Min
4.25
Typ
300
200
Max
6.0
2000
500
Units
V
μA
μA
μA
Input Supply Current
I
CC
25
50
Regulated Output (Float)
Voltage
V
FLOAT
4.158
93
465
0
4.2
100
500
-2.5
1
1
4.242
107
535
-6
5
5
70
3
110
3.92
300
1.30
1.1
140
50
0.115
1.07
35
0.6
200
V
mA
mA
μA
μA
μA
mA
V
mV
V
mV
V
V
mV
mV
mA/
mA
V
μA
V
mV
℃
BAT Pin Current
I
BAT
Trickle Charge Current
Trickle Charge Threshold
Voltage
Trickle Charge Hysteresis
Voltage
VCC Undervoltage
Lockout Threshold
VCC Undervoltage
Lockout Hysteresis
Manual Shutdown
Threshold Voltage
VCC-VBAT Lockout
Threshold Voltage
C/10 Termination Current
Threshold
PROG Pin Voltage
CHRG Pin Weak
Pull-Down Current
CHRG Pin Output Low
Voltage
Recharge BAT Threshold
Voltge
Junction Temperature in
I
TRIKL
V
TRIKL
V
TRHYS
V
UV
V
UVHYS
V
MSD
V
ASD
I
TERM
V
PROG
I
CHRG
V
CHRG
V
RECHRG
T
LIM
20
2.8
60
45
2.9
80
3.8
200
1.21
1
100
30
0.1
1
20
0.35
From V
CC
Low to High
3.7
150
P
ROG
Pin Rising
P
ROG
Pin Falling
V
CC
from Low to High
V
CC
from High to Low
Note 2
Current Mode, V
BAT
=4V
V
CHRG
=5V
I
CHRG
=5mA
V
FLOAT
-V
RECHRG
1.15
0.9
70
5
0.085
0.93
8
100
150
120
VER 1.4
5
ACE [ ACE TECHNOLOGY CO., LTD. ]
