Rev 2, Feb-04-2016

- 6 -

www.active-semi.com

Copyright © 2016 Active-Semi, Inc.

ACT2804

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

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

Input Voltage Range

4.5

5.5

V

Input Over Voltage Protection

5.5

5.7

5.9

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

-10%

3.4

+10%

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

Switching Frequency

-15%

400

+15%

KHz

Precondition Voltage Threshold of Each Cell

VBAT1,2 rising

2.8

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 (ACT2804QJ-T)

-0.5%

4.2

+0.5%

V

VBAT_EOC (ACT2804QJ-T0435)

-0.5%

4.35

+0.5%

V

End of Charge Detection Current

Percentage of fast charge current

10

%

Buck mode/Discharge

Buck Under Voltage Lock-Out

VABT falling, VBAT1, 2

2.9

V

VOUT Output Regulation Voltage

REG3[1:0]=00

5.07

V

REG3[1:0]=01

5.12

V

REG3[1:0]=10

5.17

V

REG3[1:0]=11

5.22

V

VOUT1 and VOUT2 Current Limit

RCS1=25mΩ, ICC1

1.05

1.25

1.40

A

RCS2=25mΩ, ICC2

2.45

2.65

2.85

A

ELECTRICAL CHARACTERISTICS