EMC2101 I2C Fan Controller & Temp Sensor IC – Microchip

📝 Product Description

The EMC2101-R-ACZL-TR is a compact and efficient fan controller IC with integrated temperature sensing, designed to deliver intelligent thermal management in modern electronics — from home-built PCs and Raspberry Pi enclosures to open-source Bitcoin mining rigs like Bitaxe.

Built by Microchip Technology, this I²C-based controller supports precise 4-wire PWM fan regulation based on real-time thermal data, reducing noise, improving stability, and protecting your hardware from overheating. Ideal for makers, modders, and system integrators who demand responsive and automated cooling.

⚙️ Key Features

• 🌡️ Built-in Temperature Sensor
  Real-time thermal monitoring for automatic fan control.

• 🔁 I²C Interface (SMBus Compatible)
  Communicates easily with Raspberry Pi, Arduino, ESP32, and custom MCUs.

• 💨 4-Wire PWM Fan Control
  Accurately adjusts fan speed to match temperature profiles.

• 🧠 Programmable Logic
  Fan spin-up detection, ramping modes, temperature offsets, and more.

• 🔋 Low Power Consumption
  Designed for always-on systems like crypto miners or small-form embedded rigs.

• 📏 Tiny QFN Package
  Measures just 3mm × 3mm — perfect for space-constrained designs.

👨🔧 Best For

• PC and server cooling automation

• Bitaxe / Nerdaxe miner temperature control

• Raspberry Pi cluster thermal management

• Fan speed automation in 3D printers, NAS, or IOT devices

• Developers building smart open-source hardware systems

📐 Technical Specifications

📦 What’s Included

• 1 × EMC2101-R-ACZL-TR Chip (or pre-soldered module, based on product format)

✅ Why It Matters

In crypto, DIY, and embedded systems, managing thermals efficiently is essential. The EMC2101-R-ACZL-TR brings pro-level temperature control into your hands — with minimal space and power requirements. Pair it with Bitaxe miners, fan hubs, or MCU projects for smarter cooling you can rely on.