LP4054

Aug.-2017

Email: marketing@lowpowersemi.com

www.lowpowersemi.com

Page 4 of 7

Preliminary Datasheet

LP4054

ESD Susceptibility



HBM(Human Body Mode) --------------------------------------------------------------------------------------------- 2KV



MM(Machine Mode)----------------------------------------------------------------------------------------------------- 200V

Electrical Characteristics

(TA = 25℃. VIN = 5V, unless otherwise noted.)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP.

MAX

UNITS

VIN

Adapter/USB Voltage Range

3.9

5

6

V

IIN

Input Supply Current

Charge Mode, RISET= 10K

300

1000

uA

Standby Mode (Charge Terminated)

50

200

VFLOAT

Regulated Output (Float) Voltage

0℃ ≤ TA ≤ 85℃, IBAT = 40mA

4.158

4.2

4.242

V

IBAT

BAT Pin Current

RISET = 10K，Current Mode

80

100

120

mA

RISET = 2K，Current Mode

400

500

600

Standby Mode, VBAT = 4.2V

Sleep Mode, VIN = 0V

0

±1

uA

VTRIKL

Trickle Charge Threshold Voltage

RISET = 10k, VBAT Rising

2.9

V

VTRHYS

Trickle Charge Hysteresis Voltage

RISET = 10K

100

mV

ITRIKL

Trickle charge current

VBAT < VTRIKL, RISET =10K

40

mA

VBAT < VTRIKL, RISET=2K

200

VUV

VIN Undervoltage Lockout Threshold

From VIN Low to High

3.7

3.8

3.9

V

VUVHYS

VIN Undervoltage Lockout Hysteresis

150

200

300

mV

VASD

VIN–VBAT Lockout Threshold Voltage

150

mV

VISET

ISET Pin Voltage

RISET = 10K,Charge Mode

1

V

VCHRG

CHRG Pin Output Low Voltage

ICHRG = 5mA

0.5

V

ΔVRECHRG

Recharge Battery Threshold Voltage

VFLOAT - VRECHRG

100

150

200

mV