Datasheet > MIC280

MIC280

更新时间： 2024-10-01 14:55:59

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
34页	1192K
描述
The MIC280 is a digital thermal supervisor capable of measuring its own internal temperature and t

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MIC280 数据手册

MIC280

Precision IttyBitty Thermal Supervisor

Features

General Description

• Measures Local and Remote Temperature

The MIC280 is a digital thermal supervisor capable of

measuring its own internal temperature and that of a

remote PN junction. The remote junction may be an

inexpensive commodity transistor (e.g., 2N3906) or an

embedded thermal diode such as those found in Intel

Pentium^®II/III/IV CPUs, AMD Athlon^®CPUs, and

Xilinx Virtex^®FPGAs. A 2-wire SMBus^®2.0-compatible

serial interface is provided for host communication.

Remote temperature is measured with ±1°C accuracy

and 9-bit to 12-bit resolution (programmable).

Independent high, low, and overtemperature

thresholds are provided for each zone.

• Highly Accurate Remote Sensing: ±1°C max.,

+60°C to +100°C

• Superior Noise Immunity for Reduced

Temperature Guardbands

• 9-bit to 12-bit Temperature Resolution for Remote

Zone

• Fault Queues to Further Reduce Nuisance

Tripping

• Programmable High, Low, and Overtemperature

Thresholds for Each Zone

• SMBus 2.0-Compatible Serial Interface Including

Device Timeout to Prevent Bus Lockup

The advanced integrating A/D converter and analog

front-end reduce errors due to noise for maximum

accuracy and minimum guardbanding. The interrupt

output signals temperature events to the host, including

data-ready and diode faults. Critical device settings can

be locked to prevent changes and ensure failsafe

operation. The clock, data, and interrupt pins are

5V-tolerant regardless of the value of V_DD. They will not

clamp the bus lines low even if the device is powered

down. Superior accuracy, failsafe operation, and small

size make the MIC280 an excellent choice for the most

demanding thermal management applications.

• Voltage-Tolerant I/Os

• Open-Drain Interrupt Output Pin Supports SMBus

Alert Response Address Protocol

• Low Power Shutdown Mode

• Locking of Critical Functions to Ensure Failsafe

Operation

• Failsafe Response to Diode Faults

• Enables ACPI-Compliant Thermal Management

• 3.0V to 3.6V Power Supply Range

• Available in IttyBitty SOT23-6 Package

Package Type

Applications

MIC280

SOT23-6 (M6)

• Desktop, Server, and Notebook Computers

• Printers and Copiers

• Test and Measurement Equipment

• Thermal Supervision of Xilinx Virtex FPGAs

• Wireless/RF Systems

VDD

GND

/INT

DATA

CLK

• Intelligent Power Supplies

• Datacom/Telecom Cards

 2020 Microchip Technology Inc.

DS20006458A-page 1

12 3 4 5 6 7...34

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与MIC280相关器件

型号	品牌	获取价格	描述	数据表
MIC280_06	MICREL	获取价格	Precision IttyBitty Thermal Supervisor
MIC2800	MICREL	获取价格	Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs
MIC2800	MICROCHIP	获取价格	The MIC2800 is a high performance power management IC, giving three output voltages with m
MIC2800_07	MICREL	获取价格	Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs
MIC2800-1.8/1.2/2.5YML	MICREL	获取价格	Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs
MIC2800-1.8/1.2/2.6YML	MICREL	获取价格	Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs
MIC2800-1.8/1.2/2.8YML	MICREL	获取价格	Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs
MIC2800-1.8/1.2/3.3YML	MICREL	获取价格	Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs
MIC2800-1.8/1.5/2.8YML	MICREL	获取价格	Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs
MIC2800-1.8/1.58/3.3YML	MICREL	获取价格	Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs

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