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Maxim产品 - MAX1619介绍

MAX1619 - 远端/本地温度传感器，带有双路报警输出及SMBus串行接口

MAX1619是Maxim美信半导体公司的一款1-Wire器件产品，MAX1619是远端/本地温度传感器，带有双路报警输出及SMBus串行接口，本站介绍了MAX1619的封装应用图解、特点和优点、功能等，并给出了与MAX1619相关的Maxim元器件型号供参考。

MAX1619 - 远端/本地温度传感器，带有双路报警输出及SMBus串行接口 - 1-Wire器件 - 报警输出用于管理系统温度，确保系统的性能、可靠性，为系统提供有效的保护措施 - 美信半导体

产品概述

The MAX1619 is a precise digital thermometer that reports the temperature of both a remote sensor and its own package. The remote sensor is a diode-connected transistor-typically a low-cost, easily mounted 2N3904 NPN type-that replaces conventional thermistors or thermocouples. Remote accuracy is ±3°C for multiple transistor manufacturers, with no calibration needed. The remote channel can also measure the die temperature of other ICs, such as microprocessors, that contain an on-chip, diode-connected transistor.

The 2-wire serial interface accepts standard System Management Bus (SMBus™) Write Byte, Read Byte, Send Byte, and Receive Byte commands to program the alarm thresholds and to read temperature data. The data format is 7 bits plus sign, with each bit corresponding to 1°C, in two's complement format. Measurements can be done automatically and autonomously, with the conversion rate programmed by the user or programmed to operate in a single-shot mode. The adjustable rate allows the user to control the supply-current drain.

The MAX1619 is nearly identical to the popular MAX1617A, with the additional feature of an overtemperature alarm output (active-low OVERT) that responds to the remote temperature; this is optimal for fan control.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Two Channels Measure Both Remote and Local Temperatures
  • No Calibration Required
  • SMBus 2-Wire Serial Interface
  • Programmable Under/Overtemperature Alarms
  • Active-Low OVERT Output for Fan Control
  • Supports SMBus Alert Response
  • Supports Manufacturer and Device ID Codes
  • Accuracy
  • ±2°C (+60°C to +100°C, local)
  • ±3°C (-40°C to +125°C, local)
  • ±3°C (+60°C to +100°C, remote)
  • 3µA (typ) Standby Supply Current
  • 70µA (max) Supply Current in Auto-Convert Mode
  • +3V to +5.5V Supply Range
  • Write-Once Protection
  • Small 16-Pin QSOP Package
    • 热门应用
  • 局端电信设备
  • 计算机：台式机、工作站和服务器
  • 工业控制
  • LAN服务器
  • 多芯片模块
  • 智能电池组/充电器
  • 测试与测量设备
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