LP28301-02

Mar.-2017

www.lowpowersemi.com

Page 4 of 9

Preliminary Datasheet

LP28301

Electrical Characteristics

(The specifications which apply over the full operating temperature range, otherwise specifications are at

Parameter

Test Conditions

Measured

Min

Typ

Max

Units

VIN

Input Voltage

4.4

14

V

VIN Port Protection Threshold

UVLO

4.15

4.25

4.35

V

3.95

4.05

4.15

V

Input Voltage Regulation Reference

2.3

2.4

2.5

V

VDDP/VDDA Voltage

5

V

Switch between VSNS and VBAT

40

mΩ

QUIESCENT CURRENTS

VIN Current

80

μA

MODE

15

µA

Charger Controller

Trickle Charge Condition

0.04

V

0.2

V

VBAT voltage

4.158

4.2

4.242

V

4.3

V

4.35

V

Charge Current in CC Mode

1500

mA

3000

mA

Current Mode (CC)

1.45

1.5

1.55

V

Trickle Charge Voltage Threshold

2.8

2.9

3.0

V

Trickle Charge Voltage Threshold Hysteresis

200

mV

Charge Current in Trickle Charge Condition

15

mA

200

mA

400

mA

End of Charger Current

13.3

Switch Frequency

1.2

MHz

Trickle Charge Timer

Default register, wake-up mode

90

min

Charge Timer

Default register, CC+CV mode

10

h

Recharge Threshold

150

mV

STAT Low Level

Open drain pulled up with 5mA

STAT

0.2

V

Leakage Current to STAT

0.6

1

μA

FULL Low Level

Open drain pulled up with 5mA

FULL

0.2

V

Leakage Current to FULL

0.6

1

μA

CE Threshold

Enable charge, CE rising

3.5

V

Disable charge, CE falling

2

V

Temperature sense comparators

High Voltage Threshold

2.45

2.500

2.55

V

Low Voltage Threshold

0.48

0.500

0.52

V

Temperature sense current sense

94

100

106

μA

Charging Temperature Shutdown

Temperature rising

145

℃

Hysteresis falling

25

℃