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MOSFET Power Controller (Open hardware)

4 years ago 1096
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Description

Description: MOSFETs are awesome. They’re like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy to switch a battery supply on and off using your favorite microcontroller. The board also has sewable pads so you can use it in e-textile projects that need more juice.

The MOSFET Power Controller came about because microcontrollers, like the Arduino or LilyPad Arduino, can only supply a limited amount of current. Sometimes, though, you want to control something that takes a lot of current like a fan or a heater (or a really bright LED). Simply connect a battery to the JST connector on the MOSFET Power Controller, connect the thing that needs power to the output, then connect one of the digital outputs of your microcontroller to the input pads. Now whenever you drive that pin on your controller HIGH, the battery will be connected!

The N-Channel MOSFET used in this design is rated for up to 30V and 6.5A although the board is really intended to be used at lower power. If you hook up anything beyond a 3.7V Li-Po battery, proceed at your own risk!

Features:

Control High-Current Loads JST Connector makes Changing Batteries a Snap It’s Sewable! (Also has standard 0.1" spaced headers)

GitHub (Design Files) Sparkfun link:https://www.sparkfun.com/products/11214

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Documents

SparkFun_MOSFET_Power_Controller_v10 SCH

SparkFun_MOSFET_Power_Controller_v10 PCB

BOM

ID Name Designator Footprint Quantity
1 FRAME-LETTER FRAME1 CREATIVE_COMMONS 1
2 JST-SMT JP1 JST-2-SMD 1
3 JST-PTH JP3,JP4 JST-2-PTH-NS 2
4 TRIG+ BH1 BUTTONHOLE 1
5 TRIG- BH2 BUTTONHOLE 1
6 OUT+ BH3 BUTTONHOLE 1
7 OUT- BH4 BUTTONHOLE 1
8 10k R1 0402-RES 1
9 1M R2 0402-RES 1
10 FDS6630A Q1 SO08 1
11 M02 JP2,JP5 1X02 2
12 FIDUCIAL JP6,JP7 MICRO-FIDUCIAL 2

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