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參數(shù)資料
| 型號： | LM96000CIMT |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Hardware Monitor with Integrated Fan Control |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24 |
| 封裝： | MO-153AD, TSSOP-24 |
| 文件頁數(shù)： | 1/28頁 |
| 文件大?。?/td> | 695K |
| 代理商： | LM96000CIMT |
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LM96000
Hardware Monitor with Integrated Fan Control
General Description
The LM96000, hardware monitor, has a two wire digital
interface compatible with SMBus 2.0. Using an 8-bit
Σ
ADC, the LM96000 measures:
– the temperature of two remote diode connected transis-
tors as well as its own die
– the VCCP, 2.5V, 3.3VSBY, 5.0V, and 12V supplies (in-
ternal scaling resistors).
To set fan speed, the LM96000 has three PWM outputs that
are each controlled by one of three temperature zones. High
and low PWM frequency ranges are supported. The
LM96000 includes a digital filter that can be invoked to
smooth temperature readings for better control of fan speed.
The LM96000 has four tachometer inputs to measure fan
speed. Limit and status registers for all measured values are
included.
Features
n
2-wire, SMBus 2.0 compliant, serial digital interface
n
8-bit
Σ
ADC
n
Monitors VCCP, 2.5V, 3.3 VSBY, 5.0V, and 12V
motherboard/processor supplies
n
Monitors 2 remote thermal diodes
n
Programmable autonomous fan control based on
temperature readings
n
Noise filtering of temperature reading for fan control
n
1.0C digital temperature sensor resolution
n
3 PWM fan speed control outputs
n
Provides high and low PWM frequency ranges
n
4 fan tachometer inputs
n
Monitors 5 VID control lines
n
24-pin TSSOP package
n
XOR-tree test mode
Key Specifications
n
Voltage Measurement Accuracy
n
Resolution
n
Temperature Sensor Accuracy
n
Temperature Range
— LM96000 Operational
— Remote Temp Accuracy
n
Power Supply Voltage
n
Power Supply Current
±
2% FS (max)
8-bits, 1C
±
3C (max)
0C to +85C
0C to +125C
+3.0V to +3.6V
0.53 mA
Applications
n
Desktop PC
n
Microprocessor based equipment
(e.g. Base-stations, Routers, ATMs, Point of Sales)
Block Diagram
20084601
November 2004
L
2004 National Semiconductor Corporation
DS200846
www.national.com
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM96000CIMT/NOPB | 功能描述:板上安裝溫度傳感器 HW Monitor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM96000CIMT/NOPB | 制造商:Texas Instruments 功能描述:Temperature Sensor IC |
| LM96000CIMTX | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM96000CIMTX/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM96000EVAL/NOPB | 功能描述:溫度傳感器開發(fā)工具 LM96000 EVAL RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:Temperature Sensors and Control ICs 工具用于評估:MSP430G2553 接口類型:USB 工作電源電壓: 工作電源電流: |
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