PGCPSU the tiny, powerful & affordable LiPo PSU module

Pretty Good Cheap Power Supply Unit – PGCPSU. Get the best tiny power supply for your battery powered projects!

PGCPSU is a three in one power supply board: it integrates a lithium battery charge management circuit with 5V and 3.3V DC-DC converter-based output rails to power most projects in a very compact form factor. We took special care in selecting inexpensive yet well-fitting parts to make up for a great little power(ful) supply!

Features

• Power Input – micro USB input or pin header for charging (4.7V to 6V max.)
• Power Output
  • 5V rail providing at least 350mA, and up to 650mA
  • 3.3V rail providing at least 400mA, and up to 800mA
• Safety
  • Integrated battery protection including reverse polarity protection
  • Over-discharge, short circuit/over-current protection
• Power Efficiency
  • High efficiency even at low load, important for long battery life
  • Low quiescent current (49uA for the 5V rail + 57uA for the 3.3V rail)
  • Enable/disable pin for the 3.3V rail with selectable default state solder jumper
• Charging –  Quick charging at up to 1.9A (fully charges a 2,600mAh cell in about 2 hours)
• Dimensions – 25x20mm

The module can also be used as an uninterruptible power supply.

PGCPSU is live on Kickstarter with a €1,250 funding target. Rewards start at 7 Euros for a PGCPSU DUO (5V/3.3V) module and a PGCPSU Boost (5V only) module, but once all early bird rewards are gone price for PGCPSU Duo is offered for 11 Euros, or you may consider a starter kit with a DUO module plus a 2,600 mAh 18650 LiPo battery. Shipping adds a further 7 Euros, and backers can expect their rewards between May and August 2019 depending on the selected perk.

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