IDT 9TCS1083温度和风扇控制解决方案
关键词：
9tcs1083 , idt , 风扇 , 温度
idt公司的9tcs1083是业界首个集成了时序,多个温度传感器和pwm风扇控制的解决方案.温度测量在60-100度c时的精度为±1℃ ,在0-100度c时的精度为 ±2℃, 风扇控制采用高频或低频pwm输出,系统的pll可产生超低频32.768 khz输出,主要用在笔记本电脑,上网本,手持消费类电子,嵌入系统,网络设备如路由器,交换器以及网络局部存储.本文介绍了9tcs1083主要特性, 方框图,典型应用电路和参考设计电路.
the 9tcs1083 is a highly programmable ic that integrates clock synthesizers with a pwm fan controller and multiple temperature sensors for hardware thermal protection.
the device has an ultra-low-power 32.768 khz frequency generator to support real time clocks (rtc). this device can generate the 32.768 khz frequency up to four years powered by a cr2032 battery. the 9tcs1083 can output computer system clock frequencies of 24, 25, 27, and 48 mhz which will reduce the component count on the circuit board.
the fan controller is pulsed width modulated (pwm) used for the temperature proportional speed control. the device is highly configurable through i2c for ease and flexibility of use. the fan controller has three different modes of operation and will work with multiple pole, brushless dc fans. an integrated start-up timer ensures reliable motor start-up and turn-on, or following a detected fault condition.
the 9tcs1083 includes a temperature monitor that measures two diodes. the temperature sensor is optimized to be accurate within ±1°c within the temperature range of 60°c to 100°c. this device is highly programmable through the use of i2c to set high and low limits for all the temperature channels as well as set critical limits. the hardware limits drive dedicated fault and alert pins for system shutdown.
the 9tcs1083 is available in a 32-pin qfn package and is available for commercial temperature range.
9tcs1083主要特性:
thermal sensor
• two temperature sensor channels
• both h/w & s/w programmable over/under temperature alarms
• no calibration required in application
• diode failure detection
• support smbus alert
• accuracy: ±1℃ (+60℃ to +100℃); ±2℃ (0℃ to+100℃)
• offset register for system calibration
• series resistor cancellation feature
fan controller
• high frequency or low frequency pwm outputs for use with 4-wire fans
• tach inputs to measure fan speed
• os independent automatic fan speed control based on thermal information
• dynamic tmin control mode to optimize system acoustics
• default startup at 100% pwm for all fans for robust operation
system clock pll synthesizers
• scalable low voltage vdd i/o (1.5v to 1.05v) to reduce power consumption (apply to 25mhz output)
• integrated series termination resistors
• selectable – single-ended 24mhz/27mhz/48mhz clock output @ vdd3.3v
• 3 – single ended 25mhz clock outputs (buffer out)
• 32.768 khz outputs with < 1.8μa power consumption for system rtc circuit
9tcs1083应用:
• notebook computers
• netbook computers
• smartbook computers
• consumer portable devices
• embedded systems
• networking equipment (i.e. routers, switches)
• network area storage
2011-10-25 12:40:50 上传
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图1. 9tcs1083方框图
2011-10-25 12:40:50 上传
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图2. 9tcs1083用于vbat和dd_rtc的参考电路图
2011-10-25 12:40:50 上传
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图3. 9tcs1083风扇控制系统框图
2011-10-25 12:40:50 上传
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图4. 9tcs1083参考设计电路图
详情请见:
?genid=9tcs1083&cid=18742291#
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idt公司的9tcs1083是业界首个集成了时序,多个温度传感器和pwm风扇控制的解决方案.温度测量在60-100度c时的精度为±1℃ ,在0-100度c时的精度为 ±2℃, 风扇控制采用高频或低频pwm输出,系统的pll可产生超低频32.768 khz输出,主要用在笔记本电脑,上网本,手持消费类电子,嵌入系统,网络设备如路由器,交换器以及网络局部存储.本文介绍了9tcs1083主要特性, 方框图,典型应用电路和参考设计电路.
the 9tcs1083 is a highly programmable ic that integrates clock synthesizers with a pwm fan controller and multiple temperature sensors for hardware thermal protection.
the device has an ultra-low-power 32.768 khz frequency generator to support real time clocks (rtc). this device can generate the 32.768 khz frequency up to four years powered by a cr2032 battery. the 9tcs1083 can output computer system clock frequencies of 24, 25, 27, and 48 mhz which will reduce the component count on the circuit board.
the fan controller is pulsed width modulated (pwm) used for the temperature proportional speed control. the device is highly configurable through i2c for ease and flexibility of use. the fan controller has three different modes of operation and will work with multiple pole, brushless dc fans. an integrated start-up timer ensures reliable motor start-up and turn-on, or following a detected fault condition.
the 9tcs1083 includes a temperature monitor that measures two diodes. the temperature sensor is optimized to be accurate within ±1°c within the temperature range of 60°c to 100°c. this device is highly programmable through the use of i2c to set high and low limits for all the temperature channels as well as set critical limits. the hardware limits drive dedicated fault and alert pins for system shutdown.
the 9tcs1083 is available in a 32-pin qfn package and is available for commercial temperature range.
9tcs1083主要特性:
thermal sensor
• two temperature sensor channels
• both h/w & s/w programmable over/under temperature alarms
• no calibration required in application
• diode failure detection
• support smbus alert
• accuracy: ±1℃ (+60℃ to +100℃); ±2℃ (0℃ to+100℃)
• offset register for system calibration
• series resistor cancellation feature
fan controller
• high frequency or low frequency pwm outputs for use with 4-wire fans
• tach inputs to measure fan speed
• os independent automatic fan speed control based on thermal information
• dynamic tmin control mode to optimize system acoustics
• default startup at 100% pwm for all fans for robust operation
system clock pll synthesizers
• scalable low voltage vdd i/o (1.5v to 1.05v) to reduce power consumption (apply to 25mhz output)
• integrated series termination resistors
• selectable – single-ended 24mhz/27mhz/48mhz clock output @ vdd3.3v
• 3 – single ended 25mhz clock outputs (buffer out)
• 32.768 khz outputs with < 1.8μa power consumption for system rtc circuit
9tcs1083应用:
• notebook computers
• netbook computers
• smartbook computers
• consumer portable devices
• embedded systems
• networking equipment (i.e. routers, switches)
• network area storage
2011-10-25 12:40:50 上传
下载附件 (39.8 kb)
图1. 9tcs1083方框图
2011-10-25 12:40:50 上传
下载附件 (20.17 kb)
图2. 9tcs1083用于vbat和dd_rtc的参考电路图
2011-10-25 12:40:50 上传
下载附件 (7.47 kb)
图3. 9tcs1083风扇控制系统框图
2011-10-25 12:40:50 上传
下载附件 (38.25 kb)
图4. 9tcs1083参考设计电路图
详情请见:
?genid=9tcs1083&cid=18742291#
915/869.85/868.4 FM发射器模块
AIT的独白，力争IC行业中的前三甲
又踩雷!苹果智能音箱HomePod mini出现网络连接问题
Momenta量产自动驾驶Mpilot和完全无人驾驶MSD双双获奖
变频恒压供水控制器的具体步骤是怎样的
IDT 9TCS1083温度和风扇控制解决方案
浅析怎样辨别移动电源芯片技术好坏？
洲明科技LED显示屏销售额与出货面积均位列世界第一
pt100热电阻有必要屏蔽线吗？
苹果在安全方面比微软落后十年
如何使用555定时器进行脉冲宽度调制以产生渐隐的LED效果
电压源与电流源二者之间的区别是怎样的
用于生物传感的高效纳米管NIR-II探针
Acrel-3000电能管理系统在包头苏宁广场项目的应用
荣耀线下店密集开业，为5G手机保驾护航
国星光电：引领智能穿戴领域的技术革新
储能系统容量设计原则（案例分享）
国内重要城市国六排放标准正式实施
摩托车灯高低亮方案 22W降压恒流驱动IC
小米智能摄像机AI探索版正式众筹