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Description

The TinyShield Motor x4 allows you to drive four independently
controlled DC brushed motors from your TinyDuino!

Using four of the super miniature but very powerful 2mm x 2mm TI
DRV8837 Motor Driver (H-Bridge) IC, this shield will allow for to 1.8A
per channel and operate motors between 1.8 to 11V. The DRV8837 is
extremely easy to use and interfaces and uses a simple PWM to control
motor speed, direction, coasting and braking. The board includes a
bypass capacitors, as well as heatsinking the chips to a large plane
on the bottom side of the board to help with heat dissipation. An
external power connection is supplied to connect up to your motor
power source (like a battery), and all the connections to the motors
are with standard 0.1 spaced holes, that you can solder your motor
leads into or use the supplied 0.1 headers.

The TI DRV8837 has one H-bridge driver consisting of N-channel power
MOSFETs to drive a DC motor or one winding of a stepper motor, or
other devices like solenoids. An internal charge pump generates needed
gate-drive voltages. There are internal shutdown functions for
overcurrent protection, short-circuit protection, undervoltage lockout
and over temperature. The DRV8837 can supply up to 1.8 A of output
current. It operates on a motor power-supply voltage from 1.8 V to 11
V, and a device power-supply voltage of 1.8 V to 7 V. There is also a
extremely low power sleep mode with 120nA sleep current per channel.
Note: While the DRV8837 supports 1.8A @ 11V, we highly recommend
operating under 500mA @ 5V per channel unless you have some really
good heat sinking in place. Specifications:

* Ultra compact size and weight (smaller than a US Quarter!)

* Square Version: 20mm x 20mm (.787 inches x .787 inches)
* Max Height (from lower bottom TinyShield Connector to upper top
TinyShield Connector): 5.11mm (0.201 inches)
* Weight: TBD grams (TBD ounces)

* Four TI DRV8837 H-bridge motor driver

* Low MOSFET On-Resistance: HS + LS 280mOhm
* 1.8A Max Drive Current
* 1.8V to 11V Motor Operating Supply Voltage Range
* Seperate Motor and Logic Power Supply Pins
* PWM (IN/IN) Interface
* Dedicated Sleep Pin

* Arduino pins 2, 3, 4, 5, 6, 7, 8, 9 and A3 are used by this
shield

To see what other TinyShields this board can be used with at the same
time with, see the TinyShield Compatibility Matrix [1]

Links:
------
[1] https://tiny-circuits.com/tinyshield-compatibility/
more

Specifications

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General information

Manufacturer TinyCircuits
Product type Electronics module
Item number5998542
Manufacturer no.ASD2301-R

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If you wish to learn more about this product, please visit the manufacturer's website or contact us: digitec@digitec.ch

Warranty & right to return

Warranty 24 month Bring-in

Limited right of return

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TinyCircuits TinyShield Motor x4 TinyCircuits TinyShield Motor x4