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Name: MAX1978ETM+
Brand: Analog Devices Inc./Maxim Integrated
SKU: MAX1978ETM+
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+

Part No.:: MAX1978ETM+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 48-WFQFN Exposed Pad

Datasheet:: MAX1978ETM+.pdf

Description:: IC CNTRLR INT TEMP 48TQFN

In Stock:: 3800

Quantity:: Add To Cart

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MAX1978ETM+ Typical application Circuitry

MAX1978ETM+

The MAX1978ETM+ is part of the MAX1978 series from Maxim Integrated. This series is comprised of advanced temperature controller ICs designed for precise management of Peltier thermoelectric cooler (TEC) modules. These ICs are typically used in applications requiring stringent temperature control, such as laser diode cooling in optical networking equipment and precision instrumentation. The MAX1978 series is recognized for its high accuracy, integrated PID control loop, and flexibility, which make it suitable for a wide range of thermoelectric cooling applications.

1. TEC+ and TEC- (TEC Output Pins): These are the output pins that connect to the TEC module to provide the necessary current for heating or cooling.

2. SNS+ and SNS- (Temperature Sensor Inputs): These pins connect to an external temperature sensor, which the IC uses to monitor and regulate the temperature of the application.

3. VDD (Power Supply Voltage) and GND (Ground): VDD is the supply voltage input for the IC, while GND is the ground reference.

4. SET (Setpoint Voltage Input): This pin receives a voltage that sets the desired temperature point for the TEC module.

5. D (Maximum TEC Current Set): A resistor connected to this pin sets the maximum current that the TEC module will draw.

6. GAIN (PID Gain Adjustment): External components connected to this pin adjust the gain of the PID control loop for stable temperature regulation.

7. FB+ and FB- (Feedback Inputs): These pins are connected to a resistive divider network that provides feedback for the control loop, ensuring accurate temperature control.

8. EN (Enable Pin): This pin enables or disables the IC. When driven high, the IC is operational.

9. ALARM (Alarm Output): The ALARM pin goes high if the temperature moves outside the programmed limits, providing a warning signal.

10. GND SENSE (Ground Sense Pin): This pin should be connected to the same ground as the temperature sensor to minimize noise in the temperature reading.

11. EP (Exposed Pad): The exposed pad is typically soldered to the PCB and acts as a heat sink to manage the IC's thermal dissipation.

For full details on the MAX1978ETM+, including the pin configuration, electrical characteristics, and application instructions, it is essential to refer to the datasheet. This resource will offer all the necessary specifications and integration guidance needed to effectively use the MAX1978ETM+ in a temperature control system.

Designing circuits with the MAX1978ETM+ requires careful planning. Correctly configuring the TEC drive pins (TEC+ and TEC-), temperature sensing inputs (SNS+ and SNS-), power supply (VDD), and ground connections (GND) is imperative. Furthermore, accurately setting up the control loop (SET, D, GAIN), providing feedback (FB+ and FB-), managing the enable function (EN), responding to alarms (ALARM), and addressing thermal management with the exposed pad (EP) are key steps for achieving precise temperature regulation of electronic components or systems.

MAX1978ETM+ information

MAX1978ETM+ Specifications

Package/Case:
48-WFQFN Exposed Pad
Packaging:
Tube
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+?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MAX1978ETM+ we delivered, we will accept the replacement or return of the MAX1978ETM+ only when all of the below conditions are fulfilled:

(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+.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations