Difference between revisions of "AndiceLabs:PowerCape"

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==Description==
 
==Description==
 
[[File:AndiceLabs_PCA0_top.png|border|right|link=|300px|PowerCape]]
 
[[File:AndiceLabs_PCA0_top.png|border|right|link=|300px|PowerCape]]
The Power Cape provides integrated UPS-style functionality by combining a lithium battery charging circuit with a buck/boost regulator.  If DC power is insufficient or unavailable, the supply will be augmented by the lithium battery.  When DC input is available, the battery will be simultaneously charged to 4.2V.  
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The Power Cape provides integrated UPS-style functionality by combining a lithium battery charging circuit with a buck/boost regulator.  If DC power is insufficient or unavailable, the supply will be augmented by the lithium battery.  When DC input is available, the battery will be re-charged to 4.2V.
  
 
==Revision Changes==
 
==Revision Changes==

Revision as of 22:09, 18 April 2014

Description

PowerCape

The Power Cape provides integrated UPS-style functionality by combining a lithium battery charging circuit with a buck/boost regulator. If DC power is insufficient or unavailable, the supply will be augmented by the lithium battery. When DC input is available, the battery will be re-charged to 4.2V.

Revision Changes

Revision A0

Initial release of BeagleBone Power Cape

Getting Started

Standard setup:

  • An AndiceLabs Power Cape
  • A BeagleBone Black or BeagleBone White
  • A 5V DC power supply (recommended 5V @ 2A)
  • A single-cell (3.7V) LiPo battery

Specifications

Electrical Specifications

DC input voltage 5VDC to 14VDC
Cape supplied power on DC 5V @ 2A to BeagleBone
Cape supplied power on battery 5V @ 1.2A to BeagleBone
Battery charge current 350mA typical
Battery charge timeout 3 hours typical
Battery full voltage 4.2V
System quiescent power draw on DC input 1.2mA typical
System quiescent power draw on battery input 75uA typical
Indicators 2 green LEDs controlled by ATmega328p

Connectors

DC Power Input Molex MicroFit3 connector
Battery Input JST PH (found on AdaFruit and SparkFun LiPo packs)
External Signal Input Molex MicroFit3 connector

Signal Usage

The BeagleBone Power Cape uses the following signals:

  • DGND
  • VDD_3V3B
  • VDD_5V
  • I2C2_SCL
  • I2C2_SDA

EEPROM

EEPROM Support Yes
Board Name PowerCape
Version 00A0
Manufacturer AndiceLabs
Part Number POWERCAPE-00A0

Documentation

Open Source No
System Reference Manual In progress
Schematics PDF
Firmware GitHub

Vendors

Product Images


To go back to the cape list, please click BeagleBone Capes