EV2637A-R-00A –2.5A SINGLE-CELL SWITCH MODE BATTERY CHARGER
NOTICE:
The information in this document is subject to change without notice. Users should warrant and guarantee that third
party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not
assume any legal responsibility for any said applications.
EV2637A-R-00A Rev. 1.0
www.MonolithicPower.com
8
10/11/2019
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© 2019 MPS. All Rights Reserved.
Boost Function
1
Connect the jumper “MODE” to “H” and the “EN” to “L” with shunts respectively!
2
Attach the load to the “SYS” and “GND” terminals respectively.
3
Attach the positive and negative ends of the battery to the “BATT” and “GND” terminals respectively.
If it’s a battery simulator, please preset the voltage to 3.8V (typical value) firstly. The boost will start
to work. Verify the system output current is limited at 2.2A.
4
Remove the shunt between the “MODE” and “H” to disable boost.
5
Install the shunt between the “MODE” and “H” to enable boost.
U1
MAIN CIRCUIT
EV2637A-R-00A
GND
VIN
BATT
GND
1-Cell
Battery Pack
or Simulator
SYS
load
VB
LED2
LED3
SYS
VCC
NTC
GND
BATT
JP1
JP2
JP3
EN
MODE
H
L
L
LED1
H
L
H
LED
JP4
VCC
SYS
Figure 5: Setup for Boost Mode