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MP2660 Datasheet(PDF) 7 Page - Monolithic Power Systems

Part # MP2660
Description  5V USB, 500mA, I2C-Controlled Linear Charger with Power Path Management for Single-Cell Li-Ion Battery
PDF  34 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2660 Datasheet(HTML) 7 Page - Monolithic Power Systems

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MP2660
– 0.5A, 1-CELL CHARGER W/ I2C CONTROL, POWER PATH
MP2660 Rev. 1.01
www.MonolithicPower.com
7
1/2/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. 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
Supply current at BATT
input
IBATT
VIN = 5V, CE = L, ISYS = 0A,
VBATT = 4.3V
33
µA
VIN = 0V, CE = H, ISYS = 0A,
VBATT = 4.35V
11
14
VBATT = 4.5V, VIN = VSYS = GND,
FET_DIS = 1, disconnect mode
4.512
5.017
BATT input to SYS switch
on resistance
RON_BATT
VIN < 2V, VBATT = 3.5V,
ISYS = 100mA
100
150
m
Ω
BATT to SYS current limit
IBATT_MAX
Program range
200
1600
(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
1.2
µA
Battery discharge function
controlled by INT
(5)
tINT
INT pull low lasting time to turn off
the battery discharge function
8
s
Battery MOSFET lasts for the off
time before auto-on
500
ms
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
4.200
4.221
V
Battery charge full voltage
[I
2C]
VBATT_REG
VBATT_REG = 4.2V,
reg04 bit[7,2] = 101000
4.179
4.200
4.221
V
VBATT_REG = 4.35V,
reg04 bit[7,2] = 110010
4.328
4.350
4.372
Constant current regulation
for charging
ICHG
VIN = 5V, VBATT = 3.8V,
programmable range
8
535
(5)
mA
VIN = 5V, VBATT = 3.8V,
ICHG = 76mA (setting)
65
76
87
VIN = 5V, VBATT = 3.8V,
ICHG = 246mA (setting)
220
245
270
Charging current thermal
fold-back threshold
(5)
Junction temperature regulation
reg06 bit[1,0] = 11 -
Thermal_limit=120 2°C
120
°C
Trickle current
ITC
Program range
6
27
mA
ITC_setting = 20mA,
reg03 bit[1:0] = 10
13.0
16.5
20.0
mA



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