Microchip微芯 EMC1428 产品介绍
2026-04-14
0次
说明
EMC1428是一种高精度、低成本的系统管理总线(SMBus)温度传感器。电阻误差校正(REC)、贝塔补偿(针对需要BJT或晶体管型号的CPU二极管)和自动二极管类型检测等先进功能相结合,为复杂的环境监测应用提供了强大的解决方案。
此外,EMC1428提供了硬件可编程系统关闭功能,该功能在部分通电时通过单个TRIP_SET电压通道进行编程,该电压通道不能通过SMBus屏蔽或损坏。
每个设备都为外部二极管温度提供±1°的精度,为内部二极管温度提供了±2°C的精度。EMC1428最多可监测八个温度通道(最多七个外部通道和一个内部通道)。
特性
- triggers dedicated SYS_SHDN# pin
- hardware configured range 65°C to 127°C in 1°C steps
- cannot be disabled or modified by software
- Designed to support 45nm, 65nm, and 90nm CPU diodes
- Supports diodes requiring the BJT or transistor model
- Resistance Error Correction (up to 100 Ohms)
- ±1°C Accuracy (60°C < TDIODE < 100°C)
- 0.125°C Resolution
- Supports up to 2.2nF filter capacitor
- Anti-parallel diodes for extra diode support and compact design
- ±2°C accuracy
- 3.3V Supply Voltage
- Available in a 16 pin 4mm x 4mm QFN RoHs Compliant package
- Programmable temperature limits for ALERT#
- Notebook Computers
- Desktop Computers
- Industrial
- Embedded applications
参数
类型 | 描述 |
NumOfChannelsMonitored | 8 |
Max. Accuracy @ 25° ; (° ;) | 1 |
Typical Accuracy (° ;) | 0.25 |
Features | REC, beta compensation,anti-parallel diodes, hottest of all |
InterfaceType | I2C, SMBus |
Resolution (bits) | 11 |



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