CXFA3160

CXFA3160包含3个精密数字温度计、一个风扇控制器、硬件和软件热关机。温度计报告3个遥感器的温度。远程传感器是二极管连接晶体管,通常是一种低成本、易于安装的2N3904 NPN型或二极管内置CPU。多晶体管制造商的遥控精度为±1°C。CXFA3160还支持通过SMBus的偏移调整功能,以修复由于CPU二极管或寄生电阻不同而导致的错误。2线串行接口接受标准系统管理总线(SMBusTM)的写入字节、读取字节、发送字节和接收字节命令。CXFA3160 SMBus地址为7ah(用于写入)和7bh(用于读取)。并支持通过命令20h写入保护功能以防止μP的错误行为。CXFA3160包含一个PWM模式风扇控制器。风扇控制器执行闭环和开环控制。CXFA3160根据FG输入和外部提供的32.768kHz时钟确定当前风扇转速。CXFA3160还提供风扇故障和失控事件警报。CXFA3160提供硬件和软件热关机。硬件热关机用于传感器2。触发点设置为外部电阻。软件热关机的触发点通过SMBus设置。如果发生热关机事件,热管脚输出低

测量三个遥远的温度
通过SMBus为每个传感器调整偏移
精度:?1℃(+60℃~+100℃)?3℃(-10℃~+120℃)
+4.5V至+5.5V电源范围
·传感器2的可编程硬件热关机和传感器1、3的可编程软件热关机。
带写保护功能的SMBus 2线串行接口。
·二极管故障、风扇故障和风扇失控的警报信号
支持SMBus警报响应
·脉宽调制模式速度控制
·风扇的闭环速度控制和可编程8位开环脉宽调制占空比控制
·风扇调速范围宽,设定值>50时精度在2%以内
·风扇内部电流限制和超温保护

CXFA3160传感器2的可编程硬件热关机和传感器1、3的可编程软件热关机带写保护功能的SMBus 2线串行接口支持通过SMBus的偏移调整功能,以修复由于CPU二极管或寄生电阻不同而导致的错误

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1.产品概述       2.产品特点     n53嘉泰姆

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5.产品封装       6.电路原理图  n53嘉泰姆

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   产品概述 返回TOPn53嘉泰姆


The CXFA3160 contains 3 precise digital thermometers, one fan controllers, hardware and software thermal shutdown. The thermometers report the temperature of 3 remote sensors. The remote sensors are diode-connected transistors typically a low-cost, easily mounted 2N3904 NPN type or the diode built-in in CPU. Remote accuracy is ±1°C for multiple transistor manufacturer. The CXFA3160 also support offset adjust function via SMBus to fix the error due to different CPU diode or parasitic resistors. The 2-wire serial interface accepts standard System Management Bus (SMBusTM) Write Byte, Read Byte, Send Byte, and Receive Byte commands. CXFA3160 SMBus address is 7ah for write and 7bh for read. And supports writting protection function by command 20h to prevent error behavior of μP. CXFA3160 contains one PWM mode fan controllers. FAN controller performs closed-loop and open-loop control. CXFA3160determines the current fan speed based on the FG inputs and an externally supplied 32.768kHz clock. CXFA3160also provide ALERT for fan fail and out of control event. The CXFA3160provides hardware and software thermal shutdown. The hardware thermal shutdown is for the sensor 2. The trigger point is set external resistors. The trigger points of software thermal shutdown are set via SMBus. If thermal shutdown event occurs, THERM pin outputs low

   产品特点 返回TOPn53嘉泰姆


„ Measures Three Remote Temperatures n53嘉泰姆

„ Adjustable Offset for Each Sensor via SMBus n53嘉泰姆

„ Accuracy: ±1°C (+ 60°C to + 100°C) ±3°C (- 10°C to + 120°C) n53嘉泰姆

„ +4.5V to +5.5V Supply Range n53嘉泰姆

„ Programmable Hardware Thermal Shutdown for Sensor 2 and Programmable Software Thermal Shutdown for Sensor 1,3. n53嘉泰姆

„ SMBus 2-Wire Serial Interface with Writting Protection Function. n53嘉泰姆

„ Alert Signal for Diode Fault, Fan Fail, and Fan Out of Control n53嘉泰姆

„ Supports SMBus Alert Response n53嘉泰姆

„ PWM Mode Speed Control n53嘉泰姆

„ Closed Loop Speed Control and programmable 8 Bits Open Loop PWM Duty cycle Control for FAN n53嘉泰姆

„ Wide Speed Control Range for FAN, Accuracy within 2%, when SET_CNT1 > 50 n53嘉泰姆

„ Internal Current- limit and Over-temperature Protection for the Fan n53嘉泰姆

„ SSOP-16 & TQFN4X4-24 Packagen53嘉泰姆

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◀ 上一篇:CXFA3159测量三个远程温度通过SMBus为每个传感器调整偏移支持单核双核和四核CPU应用传感器3的可编程硬件热关机和传感器1 2的可编程软件热关机带写保护功能的SMBus 2线串行接口

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下一篇▶:CXFA3161用于风扇转速控制的单片机解决方案直接与风扇相连对风扇转速进行闭环控制风扇旋转脉冲和外部提供的时钟来确定当前风扇速度风扇速度通过SMBus编程通过SMBus读取实际风扇转速和风扇状态