Boxtec Onlineshop SupportKontaktPlayground
 Advanced Search
My Account  Cart Contents  Checkout  
  Top » Catalog » Microcontroller » Power supply » Charger » 31272 My Account  |  Cart Contents  |  Checkout   
Categories
E-Textiles (29)
Electronics (664)
Microcontroller (652)
  Android (1)
  Arduino Boards (35)
  ARM (20)
  ATtiny Boards (7)
  AVR (18)
  Beginner Kits (5)
  Camera (6)
  Digispark (13)
  Diverse (4)
  Drones (5)
  Feather Boards (2)
  IoT (12)
  Kits (31)
  PIC (11)
  Power supply (39)
    Batteries (11)
    Battery Holders (10)
    Breadboard (1)
    Charger (12)
    Diverse (2)
    Solar Panels
    Step-Down / Converter
    Step-Up / Booster (3)
  Programmer (13)
  Propeller
  Robotics (13)
  Shield/Breakout (135)
  Teensy (13)
  VoIP (1)
  Wireless (95)
  Accessories (173)
Sensors (203)
Tools (134)
Diverse (65)
Specials
Newest Products   
Auction Products
Goto...
Manufacturers
What's New? more
LoRa Gateway OLG02 Outdoor Dual Channel - 868MHz
LoRa Gateway OLG02 Outdoor Dual Channel - 868MHz
CHF 98.50
Information
Shop News
Shipping & Returns
Privacy Notice
Terms & Conditions
FAQ
Contact Us
Follow us on Twitter
Visa, Mastercard, Paypal, Bitcoin, Litecoin, Invoice
Adafruit Pro Trinket LiIon/LiPoly Backpack
[31272]
CHF 5.95
CHF 5.10
  Valid through :
This product will be retired from our catalogue once it goes out of stock. It is only available in the quantity listed. 

Stock: 5

If you have a Pro Trinket you probably know it's the perfect little size for a portable project. This LiPoly backpack makes it really easy to do! Instead of wiring 2 or 3 boards together to make a charging system, this little PCB sits on top of the Pro Trinket and allows a LiPoly/LiIon battery to plug in. When the Pro Trinket USB port is powered, the battery is recharged automatically. Unplug the USB port and the Pro Trinket will switch over to the rechargeable battery.

Ideally, this backpack is for use with the 3.3V Pro Trinket, so that the battery voltage (3.7V-4.2V) will get regulated down to 3.3V on the Pro Trinket board. However, many times, you can run a 5V Pro Trinket + accessories off of the ~4V from the LiPoly battery with no problem. (Technically its overclocking but we've never seen that affect the Pro Trinket itself, AVRs are happy to overclock without complaint).

Solder the backpack on with the extra long header so that it can still plug into a breadboard, or clip the long header leads short afterwards for a slim package. There are two LEDs - one red and one green. While charging, the red LED is lit. When the battery is fully charged and ready for use, the green LED turns on. Seriously, it could not get more easy.

If you want to add an On/Off switch, we also made that really easy. The two 0.1" holes with a box around them are the battery output line. Carefully cut the trace between them with a hobby knife and replace with two wires from a switch.

Charging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-voltage trickle charge to keep the battery topped-up. The charge current is 100mA by default, so it will work with any size battery and USB port. If you want you can easily change it over to 500mA mode by soldering closed the jumper on the bottom, for when you'll only be charging batteries with 500mAh size or larger.

Features:

  • Comes assembled and tested
  • Uses the 5V input via Micro-B USB connector on the Pro Trinket
  • For charging single Lithium Ion/Lithium Polymer 3.7/4.2V batteries (not for older 3.6/4.1V cells)
  • 100mA charge current, adjustable to 500mA by soldering a jumper closed

Note: Batteries and Pro Trinket not included!

Specification:

  • Dimensions: 15mm x 17mm x 2mm / 0.6" x 0.7" x 0.08"
  • Height w/ JST: 7mm / 0.3"
  • Weight: 1.3g

Documents:

This product was added to our catalog on Tuesday 17 February, 2015.
Customers who bought this product also purchased
Lithium Ion Polymer Batteries Pack - 1600mAh
Lithium Ion Polymer Batteries Pack - 1600mAh
Waterproof Metal Pushbutton w/ Green LED Ring (16mm)
Waterproof Metal Pushbutton w/ Green LED Ring (16mm)
Waterproof Metal Pushbutton w/ Red LED Ring (16mm)
Waterproof Metal Pushbutton w/ Red LED Ring (16mm)
ESP8266 WiFi Transceiver Module - ESP12F
ESP8266 WiFi Transceiver Module - ESP12F
Flexible Coolant Pipe - 30cm (>1/2")
Flexible Coolant Pipe - 30cm (>1/2")
SparkFun ESP8266 Thing
SparkFun ESP8266 Thing
Shopping Cart more
0 items
Manufacturer Info
Adafruit
Adafruit Homepage
Other products
Notifications more
NotificationsNotify me when this item is restocked Adafruit Pro Trinket LiIon/LiPoly Backpack
Tell A Friend
 
Tell someone you know about this product.
Reviews more
Write ReviewWrite a review on this product!
Languages
Deutsch English

Copyright © 2019 Boxtec Onlineshop
Powered by BlueOnyx

Links to partners, friends and other worthwile sites:
Grafik Burri 1