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EMC2113

Status: In Production

Features:

  • 4-wire fan compatible
  • Both Low and High frequency PWM
  • 2% accurate from 500 RPM to 16k RPM
  • Automatic Tachometer feedback
  • Controls fan speed or PWM drive setting
  • Eight steps that incorporate up to four temperature zones simultaneously (user selectable)
  • Supports forced DTS or standard temperature data
  • Allows external PWM input (150Hz to 40kHz)
  • Supports transistor model for 90nm - 45nm Intel CPUs
  • Resistance Error Correction and Beta Compensation
  • 1°C accurate (60°C to 125°C)
  • 0.125°C resolution
  • Programmable High and Low limits
  • Cannot be altered by software
  • 65°C to 127°C Range
  • Dedicated system shutdown interrupt pin
  • ±1°C accuracy
  • 0.125°C resolution
  • 3.3V Supply Voltage
  • Open drain interrupt pin
  • SMBus Alert compatible
  • Selectable SMBus Address via pull-up resistor and ADDR_SEL pin
  • Block Read and Write
  • Available in 16-pin 4mm x 4mm QFN RoHS Compliant package
  • Notebook Computers
  • Projectors
  • Graphics Cards
  • Industrial and Networking Equipment
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Overview
Documents
Development Environment
Similar Devices
RoHS Information
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Device Overview

Summary

The EMC2113 is an SMBus compliant fan controller. The fan driver can be operated using two methods, each with two modes. The methods include an RPM-based Fan Speed Control Algorithm and a direct PWM 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 EMC2113 includes a temperature monitor that measures up to three (3) external diodes and the internal diode. 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 device includes high and low limits for all temperature channels as well as a hardware set critical temperature limit. This hardware set limit drives a dedicated system shutdown pin.

Finally, the device includes an open-drain, active low interrupt pin to flag temperature or fan control errors.

Additional Features

    Features

    • Programmable Fan Control circuit
      • 4-wire fan compatible
      • Both Low and High frequency PWM
    • RPM-based fan control algorithm
      • 2% accurate from 500 RPM to 16k RPM
      • Automatic Tachometer feedback
    • Temperature Look-Up Table
      • Controls fan speed or PWM drive setting
      • Eight steps that incorporate up to four temperature zones simultaneously (user selectable)
      • Supports forced DTS or standard temperature data
      • Allows external PWM input (150Hz to 40kHz)
    • Up to Three External Temperature Channels
      • Supports transistor model for 90nm - 45nm Intel CPUs
      • Resistance Error Correction and Beta Compensation
      • 1°C accurate (60°C to 125°C)
      • 0.125°C resolution
      • Programmable High and Low limits
    • Hardware Programmable Thermal Shutdown Temperature
      • Cannot be altered by software
      • 65°C to 127°C Range
      • Dedicated system shutdown interrupt pin
    • Internal Temperature Monitor
      • ±1°C accuracy
      • 0.125°C resolution
    • 3.3V Supply Voltage
    • Open drain interrupt pin
    • SMBus 2.0 Interface
      • SMBus Alert compatible
      • Selectable SMBus Address via pull-up resistor and ADDR_SEL pin
      • Block Read and Write
    • Available in 16-pin 4mm x 4mm QFN RoHS Compliant package

     

    Applications

    • Notebook Computers
    • Projectors
    • Graphics Cards
    • Industrial and Networking Equipment
Parametrics
Name
Value
comments
Fan Controller with Thermal Mgt
# Fans Drivers
1
PWM/Linear Control
PWM
# Remote Temperature Monitors
3
Ambient Temperature Sensor
1
Typical Accuracy
±0.5
Max Accuracy
±1.0
Maximum Temperature Range
-40 to 125
Vcc Range (V)
3.0 to 3.6
SMBus Alert
Yes
System Shutdown
Yes

Documents

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
EMC2113-1-AP-TR
0.041700
0.212121
16
QFN
4x4x0.9mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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