ACT2823

REV 1, 01-DEC-2016

is a trademark of Active-Semi.

10

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

0

0: No Force 1: Force

4

Disable Light Load

0

0: Enable 1: Disable

3

Spare

0

Spare

2

Mask Faults

0

0: No Mask 1: Mask

1

Clear Faults

0

0: No Clear 1: Clear

0

Soft Reset

0

0: No Reset 1: Reset

REG2: Config Discharge (R/W)

Bit

Name

Reset Value

Description

7

Spare

000

Spare

6

5

4

LED Indication Lock-out

0

0: 0s 1: 30s

3

Spare

0

Spare

2

LED Scan Disable

0

0: Enable 1: Disable

1

LED Always Display During Discharge

0

0: Diable 1: Enable

0

LED Breathing PWM Period

0

0: 2s 1: 3s

REG3: Config Discharge (R/W)

Bit

Name

Reset Value

Description

7

VIN Current Limit

10

00: 2.75A 01: 0.6A

10: 3.8A 11: 1.15A

6

5

VIN UVLO Level

0

0: 4.2V

1: 4.5V

4

Spare

0

Spare

3

Battery Discharge Cut-off Voltage

10

00: 5.4V 01: 5.6V

10: 5.8V 11: 6.0V

2

1

Spare

00

Spare

0

REG4: Config Discharge (R/W)

Bit

Name

Reset Value

Description

7

Charging Time after EOC

1

0: 0s 1: 45 mins

6

Battery Pre-condition Voltage Level

0

0: 5.6V 1: 6.0V

5

Battery Pre-condition Current Level

01

00: 10% 01: 15%

10: 20% 11: 25%

4

3

Battery EOC Voltage Level

10

00: 8.2V 01: 8.3V

10: 8.4V 11: 8.7V

2

ACT2823QJ-T1000 default = 8.4V (10)

ACT2823QJ-T1435 default = 8.7V (11)

1

Battery EOC Current Level

01

00: 6% 01: 10%

10: 14% 11: 18%

0