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MP2661 Datasheet(PDF) 7 Page - Monolithic Power Systems

Part # MP2661
Description  4.65V System, 500mA,I2C-Controlled Battery Charger with Power Path Management for Single-Cell Li-Ion Battery
PDF  35 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2661 Datasheet(HTML) 7 Page - Monolithic Power Systems

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MP2661 – 0.5A, 1-CELL CHARGER W/ I2C CONTROL AND POWER PATH
MP2661 Rev. 1.03
www.MonolithicPower.com
7
4/9/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = 5.0V, VBATT=3.5V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max
Units
IN to SYS switch on
resistance
RON_SYS VIN=5V, ISYS=100mA
300
400
mΩ
Supply current at input
IIN
VIN=5.5V, CE=L, enable,
ICHG = 0A, ISYS = 0A
600
µA
VIN=5.5V,CE=H, charge disabled
480
Supply current at BATT
input
IBATT
VIN=5V, CE=L, ISYS=0A,
VBATT=4.3V
32
µA
VIN=0V, CE=H, ISYS = 0A,
VBATT=4.35V, disable PCB OTP
function, do not include the
current from external NTC
resistor
11
13
VIN=0V, CE=H, ISYS = 0A,
VBATT=4.35V, enable PCB OTP
function, do not include the
current from external NTC
resistor
20
24
VBATT=4.5V, VIN=VSYS=GND,
FET_DIS=1, disconnect mode
4
5.5
BATT input to SYS switch
on resistance
RON_BATT
VIN< 2V, VBATT=3.5V,
ISYS=100mA
100
150
mΩ
BATT to SYS current limit
IBATT MAX Program Range
400
3200
(5)
mA
BATT to SYS switch
leakage
VBATT=4.5V, VIN=VSYS=GND,
disconnect mode
1
µA
SYS reverse to BATT
switch leakage
VSYS=6V, VIN=4.5V,
VBATT=GND, CE=H
1
µA
Battery discharge function
controlled by INT
(5)
tINT
INT pull-low lasting time to turn
off the battery discharge function
16
s
Battery MOSFET lasts for the off
time duration before auto-on
4
Battery Charger
Battery voltage regulation
range
VBATT_REG Programmable using I
2C
3.600
4.545
V
Battery voltage regulation
(VBATT REG=4.2V)
VBATT
T = +25°C, IBATT = 15mA
4.179
4.20
4.221
V
Battery charge full
voltage(I
2C]
VBATT_REG
VBATT_REG = 4.2V,
Reg04[7:2] = 101000
4.179
4.20
4.221
V
VBATT_REG = 4.35V,
Reg04[7:2] = 110010
4.328
4.35
4.372



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