MP2615 – 2A, 1- CELL OR 2- CELL LI-ION BATTERY CHARGER

MP2615 Rev. 1.02

www.MonolithicPower.com

4

7/9/2019

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2019 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VIN = 12V, VCELL = 0V, VSEL = 0V, C1 = 22µF, C2=22µF, TA = 25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

Input Voltage and Current

Input Voltage

VIN

VCELL = 4V

4.5

5

18

V

VCELL = 0V

8.75

12

18

Under

Voltage

Lockout

Threshold Rising

VUVLO

3.55

3.75

3.95

V

Under

Voltage

Lockout

Threshold Hysteresis

225

mV

Supply Current

ISHDN

EN = 4V, Shutdown Current

0.27

mA

IQ

EN = 0V, Quiescent Current

1.1

Power MOS

High-side

Switch

On

Resistance

RH_DS(ON) Measured from VIN to SW

110

mΩ

Low-side

Switch

On

Resistance

RL_DS(ON)

110

mΩ

Switch Leakage

EN = 4V, VSW = 0V

0

1

μA

Frequency and Time Parameter

Switching Frequency

FSW

VBATT = 7.5V

760

kHz

Fold-back Frequency

VBATT = 0V

160

kHz

Minimum Off Time (5)

TOFF

VBATT = 9V

200

ns

Charging Parameter

Terminal Battery Voltage

VBATT_FULL

VSEL = 0V

4.168

4.2

4.231

V/Cell

VSEL = 4V

4.069

4.1

4.131

Battery

Over

Voltage

Threshold

VBOVP

VCELL = 0V, VSEL=0V

8.34

8.71

9.08

VCELL = 0V, VSEL=4V

8.14

8.51

8.88

VCELL = 4V, VSEL=0V

4.17

4.36

4.54

VCELL = 4V, VSEL=4V

4.07

4.26

4.44

Recharge Threshold at VBATT

VRECH

VSEL = 0V

4.0

VSEL = 4V

3.9

Recharge Hysteresis

150

mV/Cell

Trickle

Charge

Voltage

Threshold

VTC

VSEL = 0V

3

V/Cell

VSEL = 4V

2.91

Trickle Charge Hysteresis

225

mV/Cell

Peak Current Limit

CC

3.2

A

Trickle

2.2

CC Current

ICC

RS1 = 50mΩ

1.8

2

2.2

A

Trickle Charge Current

ITC

5%

10%

15%

ICC

Termination

Current

Threshold

IBF

5%

10%

15%

ICC

VIN

minimum

Head-room

(reverse blocking)

VIN − VBATT

300

mV