ACT2801QL-T1026 datasheet(6/23 Pages) ACTIVE-SEMI

Part #	ACT2801QL-T1026

Description	5V/1.5A Backup Battery Pack Manager

Download	23 Pages

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Manufacturer	ACTIVE-SEMI [Active-Semi, Inc]

Direct Link	http://www.active-semi.com

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6 / 23 page

Rev 2, 15-Apr-14

Innovative PowerTM

- 6 -

www.active-semi.com

ACT2801/ACT2801C

PARAMETER

TEST CONDITIONS

MIN

TYP MAX UNIT

Precondition Voltage Threshold

VBAT rising, Rbtv=0

2.8

V

Precondition Voltage Threshold Hysteresis

130

mV

Low VBAT Charge Current

VBAT=1V, RICST=39kΩ

200

mA

EOC Current Threshold

Percent of the fast charge current

13

%

Charge Restart Voltage Threshold

200

mV

TH Upper Temperature Voltage Threshold

Cold detect NTC thermistor

ACT2801-T0550/ACT2801-T1026

1.5

V

TH Lower Temperature Voltage Threshold

Hot detect NTC thermistor

ACT2801-T0550/ACT2801-T1026

0.3

V

TH Hysteresis

ACT2801-T0550/ACT2801-T1026

50

mV

TH Internal Pull-up Current

ACT2801-T0550/ACT2801-T1026

60

µA

Charge Current Foldback

Charge Current Reduction Threshold1 of Vout1 Starting foldback point

4.59

4.7

4.81

V

Charge Current Reduction Threshold2 of Vout1

Stop foldback point, RCS=50mΩ,

RICST=39kΩ

4.57

V

Boost Mode

Input Voltage Operation Range

3.0

4.5

V

Switching Frequency

-15%

0.55

+15%

MHz

Input Voltage UVLO

VBAT rising

3.3

V

Input Voltage UVLO Hysteresis

VBAT falling

400

mV

Output Voltage (VOUT)

Ta=25℃

4.97

5.05

5.10

V

Output Voltage Accuracy

All conditions

-3

VOUT

2

%

Output Voltage Transient Response

Vbat=3.7V, 80mA-1A-80mA, 0.1A/us

4.75

5.25

V

Output Over Voltage Protection

VOUT rising

5.7

V

Output Over Voltage Protection Hysteresis

VOUT falling

300

mV

Output Current Regulation Range

Rcs=50mΩ, RIOST=37.5kΩ—113kΩ

0.5

1.5

A

Output Current Setting

Rcs=50mΩ, RIOST=97.6kΩ

1.3

A

The Maximum Voltage Across VRcs

All conditions

200

mV

Minimum On-Time

100

ns

Low Side Switch Peak Current Limit

VBAT=3.2V, VOUT=5V

4.0

5.6

A

ELECTRICAL CHARACTERISTICS

(VIN = 5V, TA = 25°C, unless otherwise specified.)

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ACT2801QL-T1026 Datasheet(PDF) 6 Page - Active-Semi, Inc

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