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參數(shù)資料
| 型號(hào)： | EMC2103-2-AP-TR |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, QCC16 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, QFN-16 |
| 文件頁數(shù)： | 16/89頁 |
| 文件大?。?/td> | 1243K |
| 代理商： | EMC2103-2-AP-TR |
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RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
SMSC EMC2103
23
Revision 0.90 (08-19-08)
DATASHEET
Chapter 5 General Description
The EMC2103 is an SMBus compliant fan controller with one external (EMC2103-2 offers up to three
external diode channels) and one 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 (including support of the BJT or transistor model for a CPU diode).
The EMC2103 allows the user to program temperatures generated from external sources to control
the fan speed. This functionality also supports DTS data from the CPU. By pushing DTS or standard
temperature values into dedicated registers, the external temperature readings can be used in
conjunction with the external diode(s) and internal diode to control the fan speed.
The EMC2103 also includes a hardware programmable temperature limit and dedicated system
shutdown output for thermal protection of critical circuitry.
Figure 5.1 shows a system diagram of the EMC2103.
Figure 5.1 System Diagram for EMC2103
CPU
HOST
SMBus
Interface
DP1
DN1
SMDATA
Thermal
diode
EMC2103
SMCLK
PWM
ALERT
Fan Drive
Circuitry
TACH
DP2 / DN3*
DN2 / DP3*
* denotes EMC2103-2 only
SYS_SHDN
VDD
Optional anti-
parallel diode
1.5V
1.2k
TRIP_SET
VDD VDD
GPIO2*
GPIO1*
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EMC2103-3-KP | 制造商:SMSC 制造商全稱:SMSC 功能描述:RPM-Based Fan Controller with HW Thermal Shutdown |
| EMC2103-4 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Analog and Interface Product Selector Guide |
| EMC2103-4-AP | 制造商:SMSC 制造商全稱:SMSC 功能描述:RPM-Based Fan Controller with HW Thermal Shutdown |
| EMC2103-4-AP-TR | 功能描述:板上安裝溫度傳感器 RPM-BASED FAN CTRL HW THRML SHUTDWN RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| EMC2104 | 制造商:SMSC 制造商全稱:SMSC 功能描述:Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown |
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