The PowerCell board is a single cell LiPo boost converter (to 3.3V and
5V) and micro-USB charger in one. The board comes with a JST connector
for a single cell LiPo battery, a micro-USB connector for the 5V
charge input, and selectable 3.3V and 5V ouput pins (labeled 'out').
There are also two charge pins broken out (labeled 'charge'), so you
can use another 5V power source to charge the batteries, if you don't
have a micro-USB cable.
We've also broken out the power-save and enable pins, so that you can
have full control of the switching regulator. The under-voltage
lockout enable is also tied to a solder jumper so that you can disable
it if you like.
The micro-USB charger uses the MCP73831 and allows you to charge 3.7V
LiPo cells at a rate of 100mA max. If you want to charge at a faster
rate, you will need to connect a separate power supply to the pins
labeled '5V' and 'GND' under the label 'charge'.
The boost converter is based on the TPS61200 from TI and has solder
jumper selectable 5V and 3.3V output, and an under voltage protection
of 2.6V (which can be disabled via solder jumper on the back of the
Note: This board does not have reverse polarity protection, so please
be sure to recognize the polarity of your connections!
Dimensions: 1.03 x 0.95"
* MCP73831 Single Cell LiPo charger at 500mA
* TPS61200 Boost Converter
* Selectable output voltage 3.3 or 5V
* 5V @ 600mA max
* 3.3V @ 200mA max
* Undervoltage lock out at 2.6V (with disable jumper)
* Quiescent current, less than 55uA
* JST connector for LiPo battery
* micro-USB connector for charge power source
* Inductor: 4.7uH, 1.2A Sumida CDRH2D18
* Over temperature protection … more
|Product type||Electronics module|
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Warranty 24 month Bring-in
Limited right of return
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