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LM96000CIMT
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LM96000CIMT

Product Overview

Category: Integrated Circuit (IC)

Use: The LM96000CIMT is a high-performance temperature sensor and fan controller IC. It is designed to monitor and control the temperature of electronic devices, such as computer systems, servers, and industrial equipment.

Characteristics: - Accurate temperature sensing - Fan speed control - Digital interface for easy integration - Low power consumption - Wide operating temperature range

Package: The LM96000CIMT is available in a small outline integrated circuit (SOIC) package. This package provides ease of installation and compatibility with standard PCB designs.

Essence: The essence of the LM96000CIMT lies in its ability to accurately measure temperature and control fan speed, ensuring optimal thermal management for electronic devices.

Packaging/Quantity: The LM96000CIMT is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

  • Temperature Measurement Range: -40°C to +125°C
  • Accuracy: ±1°C
  • Supply Voltage: 3.0V to 5.5V
  • Interface: I2C/SMBus compatible
  • Fan Control: PWM output
  • Operating Current: 200µA (typical)

Detailed Pin Configuration

The LM96000CIMT has a total of 16 pins. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. GND - Ground
  3. ALERT - Interrupt output
  4. SDA - Serial data input/output
  5. SCL - Serial clock input
  6. TACH1 - Tachometer input for fan 1
  7. TACH2 - Tachometer input for fan 2
  8. TACH3 - Tachometer input for fan 3
  9. TACH4 - Tachometer input for fan 4
  10. PWM1 - Pulse-width modulation output for fan 1
  11. PWM2 - Pulse-width modulation output for fan 2
  12. PWM3 - Pulse-width modulation output for fan 3
  13. PWM4 - Pulse-width modulation output for fan 4
  14. VCC - Power supply voltage for fans
  15. VREF - Reference voltage output
  16. NC - No connection

Functional Features

  • Accurate temperature measurement: The LM96000CIMT utilizes a high-resolution analog-to-digital converter (ADC) to provide precise temperature readings.
  • Fan speed control: It offers four independent PWM outputs to control the speed of up to four fans, based on the measured temperature.
  • Digital interface: The I2C/SMBus compatible interface allows easy integration with microcontrollers and other digital devices.
  • Interrupt output: The ALERT pin can be used to generate an interrupt signal when a predefined temperature threshold is exceeded.

Advantages and Disadvantages

Advantages: - High accuracy temperature sensing - Flexible fan speed control - Low power consumption - Compact package size - Easy integration with digital systems

Disadvantages: - Limited number of fan control outputs (up to four) - Requires external tachometer inputs for fan speed monitoring

Working Principles

The LM96000CIMT operates by measuring the temperature using its built-in sensor. The analog temperature reading is converted into a digital value using the internal ADC. Based on the measured temperature, the IC adjusts the duty cycle of the PWM outputs, which in turn controls the speed of connected fans. The digital interface allows communication with external devices for configuration and monitoring purposes.

Detailed Application Field Plans

The LM96000CIMT finds applications in various fields, including: 1. Computer systems and servers: It ensures efficient cooling and prevents overheating in desktop computers, laptops, and server racks. 2. Industrial equipment: The IC is used in industrial machinery and control systems to maintain optimal operating temperatures. 3. Automotive electronics: It helps regulate the temperature of electronic components in vehicles, ensuring reliable performance. 4. Medical devices: The LM96000CIMT is employed in medical equipment to monitor and control temperature-sensitive components.

Detailed and Complete Alternative Models

  1. LM96194CIMT: This IC offers similar temperature sensing and fan control capabilities but includes additional features such as voltage monitoring and multiple alarm outputs.
  2. MAX31730: A competing IC with comparable functionality, offering temperature sensing and fan control in a different package and pin configuration.
  3. ADT7470: Another alternative with temperature sensing and fan control capabilities, featuring a different interface and additional digital inputs/outputs.

These alternative models provide options for designers based on specific requirements and preferences.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM96000CIMT i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LM96000CIMT in technical solutions:

  1. Q: What is LM96000CIMT? A: LM96000CIMT is a temperature sensor and fan controller integrated circuit (IC) commonly used in technical solutions for monitoring and controlling temperature in electronic devices.

  2. Q: How does LM96000CIMT work? A: LM96000CIMT uses its built-in temperature sensor to measure the temperature of the device it is installed in. It then provides this temperature information to the system, which can be used to control fans or trigger other actions based on temperature thresholds.

  3. Q: What are the key features of LM96000CIMT? A: Some key features of LM96000CIMT include high accuracy temperature sensing, multiple temperature channels, programmable temperature limits, fan control outputs, and compatibility with various communication interfaces.

  4. Q: In what applications can LM96000CIMT be used? A: LM96000CIMT can be used in a wide range of applications such as servers, desktop computers, laptops, gaming consoles, industrial equipment, medical devices, and automotive electronics.

  5. Q: How accurate is LM96000CIMT in temperature measurement? A: LM96000CIMT has a high accuracy of typically ±1°C, making it suitable for precise temperature monitoring and control.

  6. Q: Can LM96000CIMT control multiple fans simultaneously? A: Yes, LM96000CIMT supports multiple fan control outputs, allowing it to control multiple fans simultaneously based on the temperature readings.

  7. Q: Is LM96000CIMT compatible with different communication interfaces? A: Yes, LM96000CIMT is compatible with various communication interfaces such as I2C, SMBus, and PMBus, enabling easy integration into different systems.

  8. Q: Can LM96000CIMT be programmed to set temperature limits? A: Yes, LM96000CIMT provides programmable temperature limits, allowing users to set specific thresholds for triggering fan control or other actions based on temperature.

  9. Q: Does LM96000CIMT have any built-in protection features? A: Yes, LM96000CIMT includes built-in protection features such as over-temperature shutdown and fault detection, ensuring safe operation of the system.

  10. Q: Where can I find more information about LM96000CIMT? A: You can find more detailed information about LM96000CIMT in its datasheet, which is available on the manufacturer's website or through authorized distributors.