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Name: MAX1978ETM+T
Brand: Analog Devices Inc./Maxim Integrated
SKU: MAX1978ETM+T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated MAX1978ETM+T

Part No.:: MAX1978ETM+T

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 48-WFQFN Exposed Pad

Datasheet:: MAX1978ETM+T.pdf

Description:: IC CNTRLR INT TEMP 48TQFN

In Stock:: 3579

Quantity:: Add To Cart

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MAX1978ETM+T Typical application Circuitry

MAX1978ETM+T

The MAX1978ETM+T is part of Maxim Integrated's MAX1978 series, which are precision temperature controllers for Peltier thermoelectric cooler (TEC) modules. These devices are engineered to manage and control the temperature of laser diodes, optical components, and other sensitive electronics that require precise thermal regulation. The MAX1978 series is recognized for its high level of integration, including a PID control loop, and is especially suitable for applications in fiber optics, telecommunications, and medical equipment.

1. TEC Output (TEC+ and TEC-): The TEC+ and TEC- pins provide output to the thermoelectric cooler. These pins are connected directly to the TEC module, driving it to heat or cool as required.

2. Sensor Inputs (SNS+ and SNS-): The SNS+ and SNS- pins are connected to a temperature sensor, such as a thermistor, placed near or on the component to be controlled, allowing the MAX1978 to monitor the actual temperature.

3. Voltage Inputs (VDD and GND): The VDD pin connects to the positive supply voltage, while the GND pin should be connected to the system ground.

4. Control Inputs (SET, D and GAIN): The SET pin sets the desired temperature setpoint. The D pin sets the duty cycle limit for the TEC, and the GAIN pin adjusts the loop gain for optimal control.

5. Feedback Inputs (FB+ and FB-): The FB+ and FB- pins connect to the feedback network that interfaces with the internal PID control loop of the MAX1978.

6. Enable Pin (EN): The EN pin turns the controller on or off. The device is enabled by applying a logic high, and disabled by applying a logic low.

7. Alarm Output (ALARM): The ALARM pin provides an output signal if the temperature deviates from the setpoint beyond a predetermined threshold.

8. Ground Sense (GND SENSE): The GND SENSE pin is connected to the ground of the temperature sensor to provide a noise-free ground reference.

9. Exposed Pad (EP): The EP is the exposed pad for thermal management, which should be soldered to the PCB to help dissipate heat generated by the controller.

For comprehensive details about the MAX1978ETM+T, including its pin configuration, electrical characteristics, and application examples, it is essential to consult the datasheet. This document offers vital specifications and guidelines for effectively incorporating the MAX1978ETM+T into thermal management systems.

When designing circuits with the MAX1978ETM+T, it is critical to accurately configure the TEC outputs (TEC+ and TEC-), temperature sensor inputs (SNS+ and SNS-), power inputs (VDD and GND), and control inputs (SET, D, GAIN). Additionally, connecting the feedback network (FB+ and FB-), managing the enable function (EN), monitoring the alarm condition (ALARM), and addressing thermal considerations (EP) are key for achieving precise temperature control in devices that require stringent thermal regulation.

MAX1978ETM+T information

MAX1978ETM+T Specifications

Package/Case:
48-WFQFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Applications:
Peltier Module, Thermoelectric Cooler
Current-Supply:
-
Voltage-Supply:
3V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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6. What is the process for return or replacement of MAX1978ETM+T?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MAX1978ETM+T.

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