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| 型号： | EMC2103-1-KP-TR |
| 厂商： | STANDARD MICROSYSTEMS CORP |
| 元件分类： | 模拟信号调理 |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, QCC12 |
| 封装： | 4 X 4 MM, ROHS COMPLIANT, QFN-12 |
| 文件页数： | 1/89页 |
| 文件大小： | 1243K |
| 代理商： | EMC2103-1-KP-TR |
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SMSC EMC2103
DATASHEET
Revision 0.90 (08-19-08)
Datasheet
PRODUCT FEATURES
EMC2103
RPM-Based Fan
Controller with HW
Thermal Shutdown
General Description
The EMC2103 is an SMBus compliant fan controller with
up to up to 3 external and 1 internal temperature
channels. 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 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 EMC2103 also includes a hardware programmable
temperature limit and dedicated system shutdown
output for thermal protection of critical circuitry.
Applications
Notebook Computers
Projectors
Graphics Cards
Industrial and Networking Equipment
Features
Programmable Fan Control circuit
—
4-wire fan compatible
—
High and low frequency PWM
RPM based fan control algorithm
—
2.5% accuracy from 500RPM to 16k RPM
—
Detects fan aging and variation
Temperature Look-Up Table
—
Allows programmed fan response to temperature
—
Controls fan speed or PWM drive setting
—
Allows externally set temperature data to drive fan
—
Supports DTS data from CPU
Up to Three External Temperature Channels
(EMC2103-2 only)
—
Supports 45nm, 60nm, and 90nm CPU diodes
—
Automatically detects and supports CPUs requiring BJT
or Transistor models
—
Resistance error correction
—
Supports discrete transistors (i.e. 2N3904)
—
1°C accurate (60°C to 125°C)
—
0.125°C resolution
Hardware Programmable Thermal Shutdown
Temperature
—
Cannot be altered by software
—
65°C to 127°C Range
Programmable High and Low Limits for all channels
Internal Temperature Monitor
—
2°C accuracy
—
0.125°C resolution
3.3V Supply Voltage
SMBus 2.0 Compliant
—
SMBus Alert compatible
Two dedicated GPIOs (EMC2103-2 and EMC2103-4
only)
Available in 12-pin, QFN Lead-Free RoHS Compliant
Package (EMC2103-1) or 16-pin, QFN Lead-Free
RoHS Compliant Package (EMC2103-2 and
EMC2103-4)
相关PDF资料 |
PDF描述 |
|---|---|
| EMC2103-2-AP-TR | |
| EMCL12C2J-35.000MTR | CRYSTAL OSCILLATOR, CLOCK, 35 MHz, LVPECL OUTPUT |
| EMCL12C2J-40.000M | CRYSTAL OSCILLATOR, CLOCK, 40 MHz, LVPECL OUTPUT |
| EMCL12D2H-30.000MTR | CRYSTAL OSCILLATOR, CLOCK, 30 MHz, LVPECL OUTPUT |
| EMCL12D2H-40.000MTR | CRYSTAL OSCILLATOR, CLOCK, 40 MHz, LVPECL OUTPUT |
相关代理商/技术参数 |
参数描述 |
|---|---|
| EMC2103-2 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Analog and Interface Product Selector Guide |
| EMC2103-2-AP | 制造商:SMSC 制造商全称:SMSC 功能描述:RPM-Based Fan Controller with HW Thermal Shutdown |
| EMC2103-2-AP-TR | 功能描述:板上安装温度传感器 Closed Loop RPM RPM Fan Ctrl 3Remote RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| EMC2103-3-KP | 制造商:SMSC 制造商全称:SMSC 功能描述:RPM-Based Fan Controller with HW Thermal Shutdown |
| EMC2103-4 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Analog and Interface Product Selector Guide |
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