The EMC2106 is an SMBus compliant fan controller with up to five (up to 4 external and 1 internal) temperature channels. The fan drivers can be operated using two methods each with two modes. The methods include an RPM based Fan Speed Control Algorithm and a direct drive setting. The modes include manually programming the desired settings or using the internal programmable temperature look-up table to select the desired setting based on measured temperature.
The temperature monitors offer 1°C accuracy (for external diodes) with sophisticated features to reduce errors introduced by series resistance and beta variation of substrate thermal diode transistors commonly found in processors.
The EMC2106 also includes a hardware programmable temperature limits and dedicated system shutdown output for thermal protection of critical circuitry.
Additional Features Features
Two Programmable Fan Control circuits
4-wire fan compatible
High speed PWM (26khz)
Low speed PWM (9.5Hz - 2240Hz)
600mA, 5V, High Side Fan Driver
Optional fan aging detection
1mA Linear DAC Fan Driver
RPM based fan control algorithm
2% accuracy from 500RPM to 16k RPM
Temperature Look-Up Table
Allows programmed fan response to temperature
1 to 4 thermal zones to control each fan driver
Controls fan speed or fan drive setting
Allows externally generated temperature data to control fan drivers including two DTS channels
Up to Four External Temperature Channels
Designed to support 45nm, 60nm, and 90nm CPUs
Automatically detects and supports CPUs requiring the BJT or Transistor models
Resistance error correction
1°C accurate (60°C to 100°C)
0.125°C resolution
Detects fan aging and variation
Three dedicated comparator outputs for External Diode 1, External Diode 2, and External Diode 3 (OVERT1#, OVERT2#, OVERT3#)
Up to three thermistor compatible voltage inputs
Hardware Programmable Thermal Shutdown Temperature
Cannot be altered by software
60°C to 122°C Range or 92°C to 154°C Range
Programmable High and Low Limits for all channels
3.3V Supply Voltage
SMBus 2.0 Compliant
2 selectable SMBus addresses
SMBus Alert compatible
Option to load register set from external EEPROM
Available in 28-pin QFN package - RoHS compliant (5mm x 5mm) Applications
Notebook Computers
Embedded Applications
Projectors
Industrial and Networking Equipment
The EMC2106 is an SMBus compliant fan controller with up to five (up to 4 external and 1 internal) temperature channels. The fan drivers can be operated using two methods each with two modes. The methods include an RPM based Fan Speed Control Algorithm and a direct drive setting. The modes include manually programming the desired settings or using the internal programmable temperature look-up table to select the desired setting based on measured temperature.
The temperature monitors offer 1°C accuracy (for external diodes) with sophisticated features to reduce errors introduced by series resistance and beta variation of substrate thermal diode transistors commonly found in processors.
The EMC2106 also includes a hardware programmable temperature limits and dedicated system shutdown output for thermal protection of critical circuitry.
Additional Features
Features
- Two Programmable Fan Control circuits
- 4-wire fan compatible
- High speed PWM (26khz)
- Low speed PWM (9.5Hz - 2240Hz)
- 600mA, 5V, High Side Fan Driver
- Optional fan aging detection
- 1mA Linear DAC Fan Driver
- RPM based fan control algorithm
- 2% accuracy from 500RPM to 16k RPM
- Temperature Look-Up Table
- Allows programmed fan response to temperature
- 1 to 4 thermal zones to control each fan driver
- Controls fan speed or fan drive setting
- Allows externally generated temperature data to control fan drivers including two DTS channels
- Up to Four External Temperature Channels
- Designed to support 45nm, 60nm, and 90nm CPUs
- Automatically detects and supports CPUs requiring the BJT or Transistor models
- Resistance error correction
- 1°C accurate (60°C to 100°C)
- 0.125°C resolution
- Detects fan aging and variation
- Three dedicated comparator outputs for External Diode 1, External Diode 2, and External Diode 3 (OVERT1#, OVERT2#, OVERT3#)
- Up to three thermistor compatible voltage inputs
- Hardware Programmable Thermal Shutdown Temperature
- Cannot be altered by software
- 60°C to 122°C Range or 92°C to 154°C Range
- Programmable High and Low Limits for all channels
- 3.3V Supply Voltage
- SMBus 2.0 Compliant
- 2 selectable SMBus addresses
- SMBus Alert compatible
- Option to load register set from external EEPROM
- Available in 28-pin QFN package - RoHS compliant (5mm x 5mm)
Applications
- Notebook Computers
- Embedded Applications
- Projectors
- Industrial and Networking Equipment
