ACT2823

REV 1, 01-DEC-2016

is a trademark of Active-Semi.

6

ELECTRICAL CHARACTERISTICE TABLE

Input Current Limit, Over Voltage Protection, Output Under Voltage Protection

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input Voltage Range

4.5

5.5

V

Input Over Voltage Protection

5.5

5.7

6.0

V

Input Over Voltage Hysteresis

VIN falling, VIN_OVP_HYST

290

mV

Input Under Voltage Lock-Out

4.2

V

Input Under Voltage Lock-Out Hysteresis

VIN falling, VIN_UVLO_HYST

200

mV

Input Current Limit Setting Range

3.8

A

Output Under Voltage Protection (UVP)

VOUT falling, VOUT_UVP

3.65

V

Output Under Voltage Protection Hysteresis

VOUT rising, VOUT_UVP_HYST

200

mV

Q1 Wait Time in Hiccup Mode

3

s

Boost Mode/Charge Mode

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Switching Frequency

-15%

400

+15%

kHz

Precondition Voltage Threshold of Total Cells

VBAT rising

5.6

V

Preconditioning Current

Percentage of fast charge current

15

%

Boost Charger UVLO

VOUT rising, BST_UVLO

4.2

V

Battery End-Of-Charge Voltage

VBAT_EOC (ACT2823QJ-T1000)

-0.5%

8.4

+0.5%

V

VBAT_EOC (ACT2823QJ-T1435)

-0.5%

8.7

+0.5%

V

Fast Charge Current Setting

Ricst=8kΩ

-10%

1.0

+10%

A

End of Charge Detection Current

Percentage of fast charge current

10

%

Shielding cable Detection Threshold at PB

PB falling In charge mode. VIN = 5V

VIN-1.5V

V

Charge Current Foldback Threshold with VIN,

Without Shielding Cable Connected

Start point

4.7

V

End point

4.6

V

Charge Current Foldback Threshold with VIN, With

Shielding Cable Connected

Start point

4.92

V

End point

4.82

V

Continuous Charging Time after EOC

TEOC

45

min

Charger Thermal Regulation Temperature

100

110

120