CXFA3155 contains 3 precise digital thermometers, 3/4 fan controllers, fan failure detection. The thermometers report the temperature of 2 remote sensors and 1 local sensor. The remote sensors are dio

发布时间:2020-04-06 09:43:38 浏览次数:740 作者:嘉泰姆
摘要:CXFA3155 contains 3 precise digital thermometers, 3/4 fan controllers, fan failure detection. The thermometers report the temperature of 2 remote sensors and 1 local sensor. The remote sensors are dio

目录

1.产品概述       2.产品特点     I0n嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)</span>I0n嘉泰姆

5.产品封装       6.电路原理图</strong>  I0n嘉泰姆

7.相关产品I0n嘉泰姆

   产品概述 返回TOPI0n嘉泰姆


The CXFA3155 contains 3 precise digital thermometers, 3/4 fan controllers, fan failure detection. The thermometers report the temperature of 2 remote sensors and 1 local sensor. 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. Local accuracy is ±3°C. The CXFA3155 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. The SMBus address is 70h 72h for write and 7173hh for read for CXFA3155.For CXFA3155, ADD0 pin selects 3 different SMBus addresses. (see “ SMBus Digital Interface” section) CXFA3155 contains 3/4 fan controllers which perform closed-loop and open-loop control. CXFA3155 etermines the current fan speed based on the FG inputs and an externally supplied 32.768kHz clock. The driving ability is 5mA. CXFA3155 also provides ALERT for fan fail and out of control event.

   产品特点 返回TOPI0n嘉泰姆


„ Measures Two Remote and One Local Temperatures I0n嘉泰姆

 „ Adjustable Offset for Each Sensor via SMBus I0n嘉泰姆

„ Accuracy: Remote ±1°C (+20°C to +80°C) ±3°C (-10°C to +120°C) „ +4.5V to +5.5V Supply Range I0n嘉泰姆

„ Alert Signal for Diode Fault, Fan Fail, and Fan Out of Control I0n嘉泰姆

„ Supports SMBus Alert Response I0n嘉泰姆

„ Fan Drivers Using Linear Control Algorithm I0n嘉泰姆

„ Closed Loop Speed Control and programmable 8 Bits Open Loop Voltage Control for Fan I0n嘉泰姆

„ Wide speed control range for Fan, Accuracy within 2%, when FANx_SET_CNT > 50 I0n嘉泰姆

„ Internal Current-limit and Over-temperature Protection for the Fan Controllers I0n嘉泰姆

„ Build-In Inverters for Driving Crystal I0n嘉泰姆

„ Optional Internal Clock Accuracy ±3% from 20°C to 80°C at 5V VCC „ 20-Pin TSSOP PackageI0n嘉泰姆

   应用范围 返回TOPI0n嘉泰姆


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 QQ截图20160419174301.jpgI0n嘉泰姆

产品封装图&nbsp;返回TOPI0n嘉泰姆


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电路原理图&nbsp;返回TOPI0n嘉泰姆

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Sensor   and Fan ControllerI0n嘉泰姆

Part NO.I0n嘉泰姆

VCC(V)I0n嘉泰姆

min.I0n嘉泰姆

VCC(V)I0n嘉泰姆

max.I0n嘉泰姆

RemoteI0n嘉泰姆

LocalI0n嘉泰姆

FanI0n嘉泰姆

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(°C)I0n嘉泰姆

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PackageI0n嘉泰姆

CXFA3154I0n嘉泰姆

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111001I0n嘉泰姆

±1I0n嘉泰姆

--I0n嘉泰姆

TSSOP20I0n嘉泰姆

CXFA3155I0n嘉泰姆

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SelectableI0n嘉泰姆

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Build-in clockI0n嘉泰姆

TSSOP20I0n嘉泰姆

CXFA3156I0n嘉泰姆

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111001I0n嘉泰姆

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Build-in clockI0n嘉泰姆

TSSOP20I0n嘉泰姆

CXFA3157I0n嘉泰姆

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111001I0n嘉泰姆

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TSSOP20I0n嘉泰姆

CXFA3158I0n嘉泰姆

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1I0n嘉泰姆

111101I0n嘉泰姆

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Support transitor I0n嘉泰姆

modeI0n嘉泰姆

SSOP20I0n嘉泰姆

CXFA3159I0n嘉泰姆

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TQFN4X4-24I0n嘉泰姆

CXFA3160I0n嘉泰姆

4.5I0n嘉泰姆

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111101I0n嘉泰姆

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PWM fan controller I0n嘉泰姆

Hardware Sets SHDNI0n嘉泰姆

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TQFN4X4-24I0n嘉泰姆

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VCC(V)I0n嘉泰姆

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CXFA3161I0n嘉泰姆

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MSOP10I0n嘉泰姆

CXFA3163/4I0n嘉泰姆

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SOP8/MSOP8/MSOP10I0n嘉泰姆

CXFA3165/6I0n嘉泰姆

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32.768I0n嘉泰姆

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DACI0n嘉泰姆

PWMI0n嘉泰姆

FG,X2,ALERT#,CLK( 3% ),ADD0 I0n嘉泰姆

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SOP8/MSOP8/MSOP10I0n嘉泰姆

Fan DriverI0n嘉泰姆

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CXFA3167I0n嘉泰姆

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SOP-8I0n嘉泰姆

CXFA3169I0n嘉泰姆

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SOP-8I0n嘉泰姆

CXFA3171I0n嘉泰姆

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EN,OCP,OTPI0n嘉泰姆

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SOP-8(FD)I0n嘉泰姆

CXFA3172I0n嘉泰姆

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EN,OCP,OTPI0n嘉泰姆

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EN,OCP,OTP,VSET built-in SSI0n嘉泰姆

SOP8/TDFN3X3-8I0n嘉泰姆

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