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MP2661 Datasheet(PDF) 22 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) 22 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
22
4/9/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018MPS. All Rights Reserved.
I2C REGISTER MAP
IC Address: 09H (reserved some trim options)
Input Source Control Register/Address: 00H (Default: 01001111)
Bit
Symbol
Description
Read/Write
Default
Bit 7
EN_HIZ
(7)
0:disable
1:enable
Read/write
Disable (0)
Input Voltage Regulation
Bit 6
VIN REG [3]
640mV
Read/write
Offset: 3.88V
Range:3.88V -5.08V
Default: 4.60V (1001)
Bit 5
VIN REG [2]
320mV
Bit 4
VIN REG [1]
160mV
Bit 3
VIN REG [0]
80mV
Input Current Limit
Bit 2
IIN_LIM [2]
000:85mA
001:130mA
010:175mA
011:220mA
100:265mA
101:310mA
110:355mA
111:455mA
Read/write
455mA (111)
Bit 1
IIN_LIM [1]
Bit 0
IIN_LIM [0]
NOTE:
7) This bit only controls the on and off of the LDO MOSFET.
Power-On Configuration Register/Address: 01H (Default: 0000 0100)
Bit
Symbol
Description
Read/Write
Default
Bit 7
Register reset
0:keep current setting
1: reset
Read/write
Keep current setting
(0)
Bit 6
I
2C watchdog timer
reset
0:normal
1:reset
Read/write
Normal(0)
Bit 5
Reserved
Read/write
Reserved
Bit 4
Reserved
Read/write
Reserved
Charger Configuration
Bit 3
CEB
0: charge enabled
1:charge disabled
Read/write
Charge enabled (0)
Battery UVLO Threshold
Bit 2
VUV BATT [2]
0.4V
Read/write
Offset: 2.4V
Range: 2.4V-3.1V
Default: 2.8V (100)
Bit 1
VUV BATT [1]
0.2V
Bit 0
VUV BATT [0]
0.1V



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