MAX1978ETM+

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MAX1978ETM+

IC CNTRLR INT TEMP 48TQFN

  • Fabricant
  • Mfr. Partie #MAX1978ETM+
  • Paquet QFN-48
  • Fiche de données
  • En stock6462

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Applications USB Dedicated Charging Port (DCP), Power Switch
Current-Supply 155µA
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SOT-23-6
Series EZ-PD™ BCR

Vue d'ensemble

Description

The MAX1978ETM+ is a precision, dual-channel, closed-loop temperature monitor and controller designed for use in thermal management applications. It is commonly used in systems that require precise temperature regulation, such as electronic devices, optical systems, and other temperature-sensitive equipment. The device integrates two temperature measurement channels with inputs for thermistors or diode-connected transistors. It features a temperature-to-digital converter for accurate measurement and a pulse-width modulation (PWM) output for controlling cooling fans or heaters.
Key features include high-resolution temperature readings, programmable temperature setpoints, and overtemperature alarms. The MAX1978ETM+ allows flexible configuration via an I2C-compatible interface, enabling easy integration into a wide range of systems. It operates over a wide temperature range and provides accurate control to ensure device reliability and performance. Additionally, the compact package and low power consumption make it suitable for space-constrained and battery-powered applications. The MAX1978ETM+ serves to enhance system efficiency by maintaining optimal operating temperatures and preventing overheating.

Features

The MAX1978ETM+ is a versatile, precision temperature sensor and digital controller IC designed for thermal management applications. Key features include:
1. Integrated Temperature Sensors: It includes internal and external temperature measurement capabilities, allowing for accurate monitoring of up to three external diodes and one internal temperature sensor.
2. Digital Interface: It supports an I²C-compatible or SMBus communication interface for easy integration with microprocessors and other digital systems.
3. Programmable Features: The device offers programmable temperature limits and hysteresis settings, allowing users to customize the thermal management strategy based on specific application needs.
4. Fault Detection: It provides fault detection and alert features for conditions such as over-temperature, open-circuit diode, and other sensor failures.
5. Low Power Consumption: The MAX1978ETM+ is designed for energy efficiency, making it suitable for battery-powered and power-sensitive applications.
6. Wide Operating Range: It operates over a wide supply voltage range and is suitable for different environmental conditions.
7. Compact Package: Available in a small, thermally efficient package, it is ideal for space-constrained applications.
These features make the MAX1978ETM+ an excellent choice for applications requiring precise thermal management, such as in computers, telecommunications, and industrial equipment.

Package

The MAX1978ETM+ is housed in a 28-pin Thin Quad Flat No-Lead (TQFN) package.

Pinout

The MAX1978ETM+ is a precision, high-efficiency temperature controller designed for thermoelectric cooler (TEC) applications. It typically comes in a 28-pin TQFN package. Its primary function is to provide precise temperature control utilizing a TEC by driving current in either direction through the TEC, allowing for both heating and cooling.
Key functions and features include:
1. TEC Driver: Controls the current flow through the TEC to maintain desired temperature.
2. Temperature Feedback: Uses an external thermistor or temperature sensor for feedback.
3. Efficiency: High efficiency due to PWM control, minimizing heat dissipation.
4. Protection and Monitoring: Overcurrent protection, voltage monitoring, and temperature fault alert.
5. Programmable Interface: Allows setting various parameters for customized operation.
Also, the MAX1978ETM+ may integrate additional features such as a reference voltage output, a fault output, and a compensation network, enhancing its capability for precise temperature regulation.

Manufacturer

The MAX1978ETM+ is manufactured by Maxim Integrated, a company that specializes in designing and manufacturing analog and mixed-signal integrated circuits. Maxim Integrated provides a wide range of products used in applications such as automotive, industrial, communications, and consumer electronics. The company is known for its expertise in power management, sensors, interface, and analog signal processing solutions. As of 2021, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its reach and capabilities in the semiconductor industry.

Application

The MAX1978ETM+ is primarily used in thermal management applications. It is a precision temperature controller designed for controlling thermoelectric coolers (TECs) and is commonly utilized in optical communication modules, laser diodes, and other devices requiring precise temperature regulation. The device integrates a temperature sensor, DAC, and feedback control to maintain stable temperatures, making it suitable for systems demanding high accuracy and reliability in temperature maintenance.

Equivalent

The MAX1978ETM+ is a monolithic temperature controller for TEC (Thermoelectric Cooler) modules. Equivalent products from other manufacturers include the LTC1923 from Analog Devices, the ADN8831 from Analog Devices, and the MCP19215 from Microchip Technology. These alternatives are designed for similar thermal management applications, providing control for TEC modules in various electronic systems. Always check the specific requirements and datasheets to ensure compatibility.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

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