MAX663EPA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX663EPA+ is a precision, dual-output temperature sensor and fan-speed controller. It is designed to monitor and control the temperature of electronic devices such as microprocessors, graphics cards, and other integrated circuits.

Characteristics: - Precision temperature sensing - Dual-output fan-speed control - Wide operating temperature range - High accuracy and resolution - Low power consumption

Package: The MAX663EPA+ comes in an 8-pin PDIP (Plastic Dual In-Line Package) with a small footprint, making it suitable for space-constrained applications.

Essence: The essence of the MAX663EPA+ lies in its ability to accurately measure temperature and control fan speed, ensuring optimal thermal management and preventing overheating of electronic devices.

Packaging/Quantity: The MAX663EPA+ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Temperature Sensor Range: -55°C to +125°C
• Temperature Resolution: 0.0625°C
• Fan-Speed Control Range: 0% to 100%
• Supply Voltage Range: 2.7V to 5.5V
• Operating Current: 50µA (typical)
• Shutdown Current: 1µA (typical)

Pin Configuration

The MAX663EPA+ features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground reference | | 3 | TACH1 | Fan tachometer input 1 | | 4 | TACH2 | Fan tachometer input 2 | | 5 | VOUT1 | Temperature sensor output 1 | | 6 | VOUT2 | Temperature sensor output 2 | | 7 | FAN1 | Fan speed control output 1 | | 8 | FAN2 | Fan speed control output 2 |

Functional Features

The MAX663EPA+ offers the following functional features:

1. Temperature Sensing: The device accurately measures temperature using its integrated sensors, providing precise temperature readings.

2. Fan-Speed Control: It controls the speed of two fans based on the measured temperature, ensuring efficient cooling and preventing overheating.

3. Dual-Output Capability: The MAX663EPA+ can independently control the speed of two fans, allowing for separate thermal management in different areas of a system.

4. Wide Operating Temperature Range: With a range of -55°C to +125°C, it is suitable for various applications that require temperature monitoring and control.

5. Low Power Consumption: The device operates with low power consumption, making it energy-efficient and suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Accurate temperature sensing and fan-speed control - Dual-output capability for independent fan control - Wide operating temperature range - Low power consumption

Disadvantages: - Limited to 8-pin PDIP package, which may not be suitable for all applications - Requires external components for fan control circuitry

Working Principles

The MAX663EPA+ works by continuously monitoring the temperature using its integrated sensors. Based on the measured temperature, it adjusts the speed of the connected fans through the fan speed control outputs. This ensures that the temperature remains within the desired range, preventing overheating and maintaining optimal performance.

Application Field Plans

The MAX663EPA+ finds applications in various fields, including: 1. Computer systems 2. Telecommunications equipment 3. Industrial control systems 4. Automotive electronics 5. Consumer electronics

In computer systems, it can be used to monitor and control the temperature of microprocessors, graphics cards, and other integrated circuits. In telecommunications equipment, it ensures proper cooling of network switches, routers, and servers. Industrial control systems benefit from its ability to regulate temperature in control panels and motor drives. Automotive electronics utilize the MAX663EPA+ for thermal management in engine control units (ECUs) and infotainment systems. Lastly, consumer electronics such as gaming consoles and home appliances can benefit from its temperature monitoring and fan-speed control capabilities.

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the MAX663EPA+:

1. LM75A - Digital Temperature Sensor and Thermal Watchdog
2. ADT7470 - Fan Controller with Temperature Monitoring
3. TMP100 - Low-Power Digital Temperature Sensor
4. LTC2997 - Quad I2C Voltage, Current, and Temperature Monitor
5. DS1629 - Digital Therm