ACT2801 Просмотр технического описания (PDF) - Unspecified

Номер в каталоге

Компоненты Описание

производитель

ACT2801

5V/1.5A Backup Battery Pack Manager

Unspecified 

ACT2801/ACT2801C

Rev 2, 15-Apr-14

ELECTRICAL CHARACTERISTICS

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

PARAMETER

Input Current Limit

Input Voltage Range

VIN Over Voltage Protection

Input Voltage Validation Time

TEST CONDITIONS

VIN rising, VIN_OVP

VIN_UVLO<VIN<VIN_OVP

MIN TYP MAX UNIT

4.5

5.5 V

5.5

6.0

6.5 V

32

ms

Input Current Limit Setting Range

Input Current Setting

Input Current Limit Gain

Leakage Current from VOUT to VIN in Boost

Mode

Battery Discharge Current in High-Z Mode

Power Switches

VIN-to-VOUT FET on Resistance

VOUT-to-SW FET on Resistance

SW-to-PGND FET on Resistance

Buck Converter

Switching Frequency

High Side Switch Peak Current Limit

Minimum On-time

Over Temperature Protection (OTP)

OTP Hysteresis

RILIM=1.2kΩ—4.8kΩ

RILIM=1.5kΩ

3.0V<VBAT<4.35V, Ta=25℃

3.0V<VBAT<4.35V, Ta=25℃

OTP rising

OTP falling

0.5

2.0 A

1.6

A

2000

0

10 µA

7.5

15 µA

90

mΩ

70

mΩ

75

mΩ

-15%

4.5

1.1 +15% MHz

6

A

100

ns

160

℃

35

℃

Charge Mode

Charge Current Setting Range

Charge Current Setting (ICHRG)

Thermal Regulation Temperature

Battery Adjust Voltage(VBAJ)

End of Charge (EOC) Voltage

EOC Voltage Accuracy

Rcs=50mΩ, RICST=20kΩ—60.4kΩ

Rcs=50mΩ, RICST=39kΩ

Rbtv=25kΩ

Rbtv=0

0.5

1.5 A

-10% 975 +10% mA

110

℃

0.1

V

-0.5% 4.1+VBAJ 0.5% V

4.1

V

Battery Over Voltage Threshold

VBAT rising

4.6

V

Battery Over Voltage Threshold Hysteresis

VBAT falling

200

mV

Fast Charge Current

Precondition Charge Current

VBAT=3.5V

ICHRG

A

2.5V≤VBAT≤2.8V, Percent of ICHRG

10

%

Innovative PowerTM

-5-

www.active-semi.com

Copyright © 2014 Active-Semi, Inc.

Share Link: