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MP2661 Datasheet(PDF) 8 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) 8 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
8
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
Constant current regulation
for charging
ICHG
VIN = 5V, VBATT = 3.8V,
programmable range
8
535
(5)
mA
VIN = 5V, VBATT = 3.8V,
ICHG SETTING = 93mA
88
93
98
VIN = 5V, VBATT = 3.8V,
ICHG SETTING = 246mA
232
248
263
VIN = 5V, VBATT = 3.8V,
ICHG SETTING = 399mA
376
401
426
Charging current thermal
foldback threshold
(5)
Junction Temperature
Regulation
Reg06[1:0]=11–120°C
120
°C
Trickle current
ITC
Program range
6
27
mA
ITC_setting=6mA, Reg03h[1:0]=00
2.5
4.7
ITC_setting=20mA, Reg03h[1:0]=10
14
18
22
End of charge (EOC)
current threshold
IBF
ICHG_SETTING≤263mA, (Reg02
bit[4] = 0), ITC SETTING= 6mA
5
7
9
mA
ICHG_SETTING≤263mA, (Reg02
bit[4] = 0), ITC SETTING=13mA
10
13.5
17
ICHG_SETTING≤263mA, (Reg02
bit[4] = 0), ITC SETTING=20mA
16
20
24
ICHG_SETTING≤263mA, (Reg02
bit[4] = 0), ITC SETTING=27mA
22
27
32
ICHG_SETTING≥280mA, (Reg02
bit[4] = 1), ITC SETTING= 6mA
10
13.5
17
ICHG_SETTING≥280mA, (Reg02
bit[4] = 1), ITC SETTING=13mA
22
27
32
ICHG_SETTING≥280mA, (Reg02
bit[4] = 1), ITC SETTING=20mA
34
42
49
ICHG_SETTING≥280mA, (Reg02
bit[4] = 1), ITC SETTING=27mA
46
55
64
End of charge current
threshold hysteresis
IBF_HYS
ICHG_SETTING≤263mA, (Reg02
bit[4] = 0), ITC SETTING= 20mA
7.5
11
15
mA
ICHG_SETTING≥ 280mA, (Reg02
bit[4] = 0), ITC SETTING = 20mA
19
24
29
Trickle charge threshold
voltage
VBATT_LOW VBATTrising, set VBATT_LOW=3.0V
2.8
3.0
3.1
V
Trickle voltage hysteresis
90
mV
Recharge threshold below
VBATT_REG
VRECHG
Reg04[0] = 0
120
160
200
mV
Reg04[0] = 1
260
300
350



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