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EMC2101 - fan and I2C temperature controller - STEMMA QT / Qwiic - Adafruit 4808
Module produced by Adafruit and equipped with EMC2101 chip. Complies with SM Bus 2.0 standard. Enables fan control by PWM pulse width modulator or DAC linear output. It has two built-in temperature monitors - an internal channel and an external channel. Each channel can have a separately declared temperature range, beyond which an interruption occurs or an alert is sent.
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Botland is an official distributor of Adafruit electronics. These dependable American solutions cover sensors, controllers, Arduino shields, educational systems, smart building and a wide range of accessories. The Botland range holds original Adafruit products only.
Product description: EMC2101 - I2C fan and temperature controller - STEMMA QT / Qwiic - Adafruit 4808
Module produced byAdafruitand equipped withEMC2101chip. It complies withSMBus 2.0standard and allows to control afanusingPWMpulse width modulator orDAClinear output. It has two built-intemperature monitors- controlling the internal channel and the external channel. Each channel can have aseparately declared temperature range, exceeding which causes an interruption or an alert is sent.
Product compatible with Arduino and Raspberry Pi.
Detaileduser's guideand libraries forArduino IDEandCircuitPythonenvironment are available on manufacturer's website, downloadable from GitHub.
The module is powered by a voltage range of 3 V to 5 V DC.
Pinout description of the EMC2101 sensor and controller
- VIN- supply pin with voltage in the range of 3 V to 5 V DC.
- 3Vo- supply pin with voltage 3,3 V.
- GND- system ground pin.
- SCL- I2C communication interface clock line pin.
- SDA- I2C communication interface data line pin.
- ALERT- interrupt pin / 4-pin fan input.
- TACH- interrupt pin / input to 4-pin fans.
- FAN- input pin to control 3-pin and 4-pin fans.
- DN- negative pin of temperature measurement diode.
- DP- positive pin of temperature measurement diode.
Suggested application
- Used in GPUs
- As a simultaneous PWM controller and temperature sensor
Technical specifications of the sensor from Adafruit
- Chip: EMC2101
- Supply voltage: 3 V to 5 V DC
- Maximum current: 1000 µA
- Temperature monitoring
- temperature measurement range: from -40°C to 125°C
- external channel: accuracy of measurement ± 1°C (at 25°C)
- internal channel: accuracy of measurement ± 2°C
- Communication interface: I2C
- Interface address: 0x5C
- Automatic compensation
- Resistance error correction
- Warning of exceeding the declared temperature
- Compatible with SM Bus
- Selectable PWM or DAC fan controller output
The kit also includes a 2.54mm goldpin strip.
Useful links
| Name | Value |
|---|---|
| Width | 10 cm |
| Height | 0.5 cm |
| Depth | 13 cm |
| Weight | 0.005 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
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If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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