EMC2103中文资料Closed Loop Fan Controller Products数据手册Microchip规格书

描述 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.

特性 Features

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 RoHS Compliant Package (EMC2103-1) or 16-pin, QFN RoHS Compliant Package (EMC2103-2 and EMC2103-4)
Applications·Notebook Computers
·Projectors
·Graphics Cards
·Industrial and Networking Equipment

简介

EMC2103属于集成电路（IC）的热管理。由制造生产的EMC2103热管理热管理 IC 是根据温度控制电路电源的半导体器件。这些 IC 的功能包括风扇控制、硬件监控器、温度监控系统、热监控器、热电偶放大器、热电偶调节器和温度计–温控器。检测温度范围为 -260℃ 至 +1800℃，输出类型有 I2C、SMBus、低电平有效/高电平有效、模拟电压、开漏、PWM、SPI、2 线串行和并行–串行。