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Adafruit Industries Adafruit 12-Channel 16-bit PWM LED Driver SPI TLC59711

This chip can control 12 separate channels of 16-bit PWM output. This is the highest-resolution PWM board we've seen!
Art-Nr 5998685
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Description

For all of you out there who want to control 12 channels of PWM, we
salute you! We also would like you to check out this breakout board
for the TLC59711 PWM driver chip. This chip can control 12 separate
channels of 16-bit PWM output. This is the highest-resolution PWM
board we've seen! Designed (and ideal) for precision LED control, this
board is not good for driving servos. If you need to drive servos, we
have a controller for that over here [1].

Only two "SPI" pins are required to send data (our Arduino library
shows how to to use any digital microcontroller pins). Best of all,
the design is completely chainable. As long as there's enough power
for all the boards you can chain as many as you'd like, like a little
trail of blue PCBs stretching out into the sunset. Each of the 12
outputs are constant-current and open drain. You can drive multiple
LEDs in series, with a V+ anode supply of up to 17V. If you want to
drive something that requires a digital input, you must use a pullup
resistor from the drive pin to your logic level to create the full
waveform.

One resistor is used to set the current for each of the outputs, the
constant current means that the LED brightness doesn't vary if the
power supply dips. We use a 3.3K resistor for about 15mA but you can
solder a thru-hole resistor over it if you'd like to change that
value. Check the TLC59711 datasheet for details on resistor-to-current
values. There's also a handy on-chip 3.3V regulator which you can use
if you need a logic level regulator.

We include a few extras to make this board easy to use: a green
power-good LED, four mounting holes and a current-set resistor. A bit
of 0.1" header is also included so you can solder it on and plug into
a breadboard.

To use: Power V+ with 5-17VDC, and connect ground to the common
ground. Then send 3-5V logic SPI data on DIN (data in) and CLK
(clock). Our Arduino library will get you started with blinking LEDs
[2], install it and run the example code with the noted pin
configuration.

There's a typo in the silkscreen, the second R0 should be R1 - but you
knew that already!

Links:
------
[1]
http://www.play-zone.ch/adafruit-16-channel-12-bit-pwm-servo-driver-i2c-interface-pca9685.html
[2] https://github.com/adafruit/Adafruit_TLC59711
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Specifications

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General information

Manufacturer Adafruit Industries
Product type Electronics module
Item number5998685
Manufacturer no.ada-1455

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Warranty 24 month Bring-in

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Adafruit Industries Adafruit 12-Channel 16-bit PWM LED Driver SPI TLC59711 Adafruit Industries Adafruit 12-Channel 16-bit PWM LED Driver SPI TLC59711