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MP2681 Datasheet(PDF) 17 Page - Monolithic Power Systems

Part # MP2681
Description  CC/CV Controller with Full Protection and Indication One Chip Solution for Power Tools Applications
PDF  21 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2681 Datasheet(HTML) 17 Page - Monolithic Power Systems

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MP2681 – CC/CV CONTROLLER WITH FULL PROTECTION
MP2681 Rev.1.01
www.MonolithicPower.com
17
12/25/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
OPERATION WAVEFORM
Charge sequence ( 5 Cell)
VDD
/Flyback Output
Voltage
Charge ON/ OFF
MOSFET Gate
Driver
CCON
Charge Current
Battery Voltage
150mA
0.2 - 0.4A
OFF
IN
Before power up
Battery In
Signal
FLT Signal
5V
OUT
20.75V
16V
0V
0V
0V
0V
2-4A
0A
12.5V
15 V
Flyback
power
up
MP2681
Starts
Operation
Pre-
Charge
CC
Charge
Fault
Condition
Back to CC
Battery
removal
Battery
Insertion
Back to CC
CV charge Charge Full
0V
No
Charging
Pre-Charge
VBATT
16V
16V
16V
16V
Figure 8 — MP2681 Charge Sequence (5 Cell)



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