Datasheet > LM96163C

LM96163C

更新时间： 2024-09-16 03:51:39

品牌	Logo	应用领域
美国国家半导体 - NSC		风扇二极管传感器温度传感器测试
页数	文件大小	规格书
42页	781K
描述
Remote Diode Digital Temperature Sensor with Integrated Fan Control and TruTherm㈢ BJT Transistor Beta Fan Control and TruTherm㈢ BJT Transistor Beta

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LM96163C 数据手册

June 26, 2008

LM96163

Remote Diode Digital Temperature Sensor with Integrated

Fan Control and TruTherm^®BJT Transistor Beta

Compensation Technology

LUT transition fine resolution smoothing function

■

General Description

Tachometer input for measuring fan RPM

The LM96163 has remote and local temperature sensors with

Smart-Tach modes for measuring RPM of fans with pulse-

width-modulated power as shown in typical application

ALERT output for processor event notification

integrated fan control that includes TruTherm BJT transistor

beta compensation technology for remote diode sensing. The

LM96163 accurately measures: (1) its own temperature and

(2) the temperature of a diode-connected transistor, such as

a 2N3904, or a thermal diode commonly found on Computer

Processors, Graphics Processor Units (GPU) and other

ASIC's. The LM96163 has an offset register to correct for er-

rors caused by different non-ideality factors of other thermal

■

TCRIT output for critical temperature system shutdown

Offset register can adjust for a variety of thermal diodes

10-bit plus sign and 11-bit unsigned formats, with 1/8°C

resolution

Extended resolution to 1/32°C when digital filter enabled

Resolves remote diode temperatures up to 255.875°C

SMBus 2.0 compatible interface, with TIMEOUT and ARA

LLP10 (QFN10) package

■

diodes.

For

the

latest

information

contact

hardware.monitor.team@nsc.com.

The LM96163 also features an integrated, pulse-width-mod-

ulated (PWM), open-drain fan control output. Fan speed de-

pends on a combination of the remote temperature reading,

the lookup table and register settings. The 12-step Lookup

Table (LUT) enables the user to program a non-linear fan

speed vs. temperature transfer function often used to quiet

acoustic fan noise. In addition a fully programmable ramping

function has been added to allow smooth transitions between

LUT setpoints.

Key Specifications

■ꢀRemote Temp Accuracy (includes quantization error)

LM96163 Temp

+25 to +85°C

-40 to +25°C

Diode Temp

+55 to +105°C

+40 to +125°C

+25 to 125°C

Max Error

±0.75°C

±1.5°C

Features

±3.0°C

TruTherm BJT beta compensation technology supports

45nm, 65nm and 90nm Processor remote diodes

■ꢀLocal Temp Accuracy (includes quantization error)

LM96163 Temp 25°C to 125°C ±3.0°C (max)

■

Factory trimmed for Intel® 45 nm processor thermal

diodes

■

+3.0 V to +3.6 V

456 µA (typ)

■ꢀSupply Voltage

■ꢀSupply Current (0.8Hz Conversion)

Accurately senses diode-connected 2N3904 transistors or

thermal diodes on-board large processors or ASIC's

■

Applications

Accurately senses its own temperature

■

Integrated PWM fan speed control output supports high

resolution at 22.5kHz frequency for 4-pin fans

Acoustic fan noise reduction with user-programmable 12-

step Lookup Table

Processor Thermal Management

Electronic Test and Office Equipment

Industrial Controls

■

Connection Diagrams

Top View

30041081

LLP10 (QFN10)

TruTherm® is a registered trademark of National Semiconductor Corporation.

Intel® is a registered trademark of Intel Corporation.

300410

www.national.com

12 3 4 5 6 7...42

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与LM96163C相关器件

型号	品牌	获取价格	描述	数据表
LM96163CISD/NOPB	TI	获取价格	具有 1 条远程和本地通道的温度传感器，带 β 补偿和风扇控制功能 \| DSC \| 10
LM96163CISD-1	NSC	获取价格	Switch/Digital Output Temperature Sensor, DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, SQUA
LM96163CISDX	NSC	获取价格	Switch/Digital Output Temperature Sensor, DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, SQUA
LM96163CISDX/NOPB	TI	获取价格	具有 1 条远程和本地通道的温度传感器，带 β 补偿和风扇控制功能 \| DSC \| 10
LM96163CISDX-1	NSC	获取价格	Switch/Digital Output Temperature Sensor, DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, SQUA
LM9617	NSC	获取价格	Monochrome CMOS Image Sensor VGA 30 FPS
LM9617CCEA	NSC	获取价格	Monochrome CMOS Image Sensor VGA 30 FPS
LM9617CCEA-2	TI	获取价格	SPECIALTY ANALOG CIRCUIT, CQCC48
LM9617CEA	NSC	获取价格	AREA CCD IMAGE ARRAY,504 VERT PIXELS,664 HORIZ PIXELS,LLCC
LM9618	NSC	获取价格	Monochrome CMOS Image Sensor VGA 30 FPS

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