Datasheet > MP2618

MP2618

更新时间： 2024-04-09 19:01:25

品牌	Logo	应用领域
芯源 - MPS		电池开关
页数	文件大小	规格书
19页	614K
描述
600kHz开关型锂离子电池充电器, 带电源路径管理功能

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MP2618 数据手册

MP2618 – 2A, 24V INPUT, 600kHz 2-3CELL SWITCHING LI-ION BATTERY CHARGER

ELECTRICAL CHARACTERISTICS

V_IN= 19V, T_A= +25°C, CELLS=0V, unless otherwise noted.

Parameters

Symbol Condition

Min

Typ

Max

8.463

12.695

Units

CELLS=0V

8.337

8.4

Terminal Battery Voltage

V_BATT

CELLS= Float

I_CSP,I_BATTCharging disabled

R_DS(ON)

12.505 12.6

CSP, BATT Current

µA

Switch On Resistance

0.28

Ω

Switch Leakage

µA

= 4V, V_SW= 0V

CC Mode

4.1

Peak Current Limit

Trickle Mode

RS1=100mꢀ

CC current

I_CC

1.8

2.0

10%

2.2

Trickle charge current

Trickle charge voltage threshold

I_TRICKLE

Icc

V/Cell

Trickle charge hysteresis

Termination current threshold

Oscillator Frequency

350

10%

600

190

mV/Cell

Icc

IBF

f_SW

15%

230

V_FB= 1.2V

V_FB= 0V

kHz

Fold-back Frequency

Maximum Duty Cycle

V_FB= 1.2V

Maximum current Sense Voltage

(CSP to BATT)

V_SENSE

t_ON

170

200

100

3.2

Minimum On Time

V_FB= 1.5V

Under Voltage Lockout Threshold

Rising

3.4

Under Voltage Lockout Threshold

Hysteresis

200

1000

min

Open-drain sink current

Vdrain=0.3V

Stay at trickle charge,

Dead-battery indication

_TMR=0.1µF

Time after I_BFreached,

C_TMR=0.1µF

Termination delay

Min

Recharge threshold at Vbatt

Recharge Hysteresis

Vrechg

4.0

V/cell

100

mV/Cell

R_NTC=NCP18XH103 (0°C)

%of

VREF33

NTC Low Temp Rising Threshold

Recovery Hysteresis

R_NTC=NCP18XH103, (50°C)

Recovery Hysteresis

NTC

High

Temp

Falling

%of

VREF33

Threshold

Vin min head-room (reverse

blocking)

Vin-Vbatt

180

0.4

EN Input Low Voltage

EN Input High Voltage

1.8

MP2618 Rev. 0.92

7/14/2010

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

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