MAX1979ETM+

Overview

The MAX1979ETM+ is an integrated temperature controller for Peltier thermoelectric cooler (TEC) modules, manufactured by Analog Devices Inc./Maxim Integrated. It is housed in a 48-WFQFN exposed pad package with dimensions of 48-TQFN (7x7). The device operates on a supply voltage range of 3V to 5.5V and supports an operating temperature range from -40°C to 85°C. Designed as a complete single-chip solution, it features on-chip power FETs and thermal protection mechanisms to ensure safe and accurate temperature control.

Feature Summary

• Integrated temperature controller specifically designed for Peltier thermoelectric cooler (TEC) modules
• Includes on-chip power FETs for direct drive capability without external switching components
• Incorporates built-in thermal protection mechanisms to ensure safe operation under fault conditions
• Delivers high accuracy as a complete single-chip controller solution

Applications

• Temperature control systems utilizing Peltier thermoelectric coolers
• Optical module temperature stabilization
• Laser diode temperature regulation
• Precision sensor thermal management

Procurement Notes

Verify the exact part number MAX1979ETM+ against official Analog Devices or Maxim Integrated documentation to confirm pinout and electrical specifications. Ensure compatibility with your system's voltage requirements within the 3V to 5.5V range. Check for RoHS compliance status if required by your manufacturing standards. Confirm the 48-TQFN package availability matches your PCB footprint design constraints.

Selection Notes

Select this component when a compact, single-chip solution for TEC control is required. It is suitable for applications needing precise temperature regulation with integrated power handling. Consider the 48-pin TQFN package size for space-constrained designs. Evaluate the operating temperature range of -40°C to 85°C against your environmental conditions. Verify that the integrated power FETs meet your current drive requirements.

Part Context

The MAX1979 series represents specialized PMICs focused on thermal management for sensitive electronic components. This specific model integrates control logic and power stages into one package, simplifying design complexity compared to discrete solutions. It targets industries requiring stable thermal environments for optical and semiconductor devices.

Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics carefully before replacing.