ACT2823
REV 1, 01-DEC-2016
CUSTOMER REGISTER MAP
The ACT2823 address is 7’h5A – Write address is 8’hB4 and read address is 8’hB5
Default values for the ACT2823QJ-T are in bold.
REG1: Config Discharge (R/W)
Bit
Name
Reset Value
Description
7
Spare
00
Spare
6
5
Force Standby
Disable Light Load
Spare
0
0
0
0
0
0
0: No Force 1: Force
0: Enable 1: Disable
Spare
4
3
2
Mask Faults
Clear Faults
Soft Reset
0: No Mask 1: Mask
0: No Clear 1: Clear
0: No Reset 1: Reset
1
0
REG2: Config Discharge (R/W)
Bit
Name
Reset Value
Description
7
6
5
4
3
2
1
0
Spare
000
Spare
LED Indication Lock-out
Spare
0
0
0
0
0
0: 0s 1: 30s
Spare
LED Scan Disable
0: Enable 1: Disable
0: Diable 1: Enable
0: 2s 1: 3s
LED Always Display During Discharge
LED Breathing PWM Period
REG3: Config Discharge (R/W)
Name
Reset Value
Description
Bit
7
00: 2.75A 01: 0.6A
10: 3.8A 11: 1.15A
VIN Current Limit
10
6
5
VIN UVLO Level
Spare
0
0
0: 4.2V 1: 4.5V
4
Spare
3
00: 5.4V 01: 5.6V
10: 5.8V 11: 6.0V
Battery Discharge Cut-off Voltage
Spare
10
00
2
1
Spare
0
REG4: Config Discharge (R/W)
Name
Reset Value
Description
Bit
7
Charging Time after EOC
1
0
0: 0s 1: 45 mins
0: 5.6V 1: 6.0V
6
Battery Pre-condition Voltage Level
5
00: 10% 01: 15%
10: 20% 11: 25%
Battery Pre-condition Current Level
Battery EOC Voltage Level
01
4
00: 8.2V 01: 8.3V
10: 8.4V 11: 8.7V
3
2
10
ACT2823QJ-T1000 default = 8.4V (10)
ACT2823QJ-T1435 default = 8.7V (11)
1
00: 6% 01: 10%
10: 14% 11: 18%
Battery EOC Current Level
01
0
Innovative PowerTM
ActiveSwitcherTM is a trademark of Active-Semi.
10
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
