Categories

Tiny USB Li-Po battery charger

Posted on Thursday, December 15th, 2011 in project logs by DP

This is a tiny, easy to make USB Lithium-Polymer battery charger. It’s based on the MAX1555 charger IC.

This entry was posted on Thursday, December 15th, 2011 at 6:00 pm and is filed under project logs. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

6 Responses to “Tiny USB Li-Po battery charger”

  1. ewertz says:

    No “Read more…” or link-to-forum….?

  2. Drone says:

    I was under the impression a proper USB charger needs to communicate with the USB host to ensure it will supply the full 500mA available from a USB 2.0 port. This MAX1555 part seem incapable of doing this – and off hand I don’t know of another that can.

  3. Hendrik Lipka says:

    The MAX1555 charges with just 100mA when USB-powered. When it is used with an external supply (which cannot be done with the circuit linked above) it charges with 280mA.

  4. Paul says:

    Sweet, my post ;)
    I’ll have one wit ha Microchip up in one or two weeks I hope.
    Real PCB’s on the way for that thought. Max1555 is too expensive and hard to get.

Leave a Reply

Notify me of followup comments via e-mail. You can also subscribe without commenting.

Recent Comments

  • KH: IMHO PCA9685 is not a really good part for this application. It's a PWM LED driver for goodness' sake. NXP _does_not_ mention servos in the...
  • KH: So it's a servo library designed by a software guy, or a library targeted at embedded newbies, or a learner bike. Given the design of...
  • Max: A thing I wish I knew getting into Arduino-controlled servos is that the typical "180 degrees" servos DO NOT move 180 degrees for the standard...
  • Max: I have certainly noticed certain suppliers (like Adafruit, Pololu) being... "western-facing" - which is another way to say their prices definitely aren't Eastern Europe compatible,...
  • Shawn: Hello