MAX8520ETP/GG8

Power Management - Specialized Overview

The MAX8520ETP/GG8 is a PMIC designed as the smallest TEC power driver for optical modules. It delivers ±1.5A output current and controls TEC current to eliminate harmful surges. The device features on-chip FETs, high-efficiency switch-mode design, and ripple cancellation for low noise. It offers direct current control with 5% accurate adjustable heating/cooling current limits and 2% accurate TEC voltage limit. The circuit footprint is 0.31in². Operating temperature range is -40°C to 85°C. Pin count is 20.

Power Management - Specialized Feature Summary

• On-chip power MOSFETs minimize external components
• Ripple cancellation provides low noise operation
• Direct current control prevents TEC current surges
• No dead zone or hunting at low output current

Power Management - Specialized Applications

• Driving thermo electric coolers in space-constrained optical modules
• Thermal management systems requiring precise current control
• Optical communication equipment thermal regulation

Power Management - Specialized Procurement Notes

Verify the exact ordering suffix GG8 against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Ensure the component matches the required operating temperature range of -40°C to 85°C for your specific application environment. Cross-reference the pin configuration and electrical parameters with the latest Analog Devices documentation to avoid compatibility issues during integration.

Power Management - Specialized Selection Notes

Select this component when space constraints are critical due to its minimal circuit footprint. Choose it for applications requiring precise TEC current limiting without external sensing resistors. Consider it for optical modules needing integrated fault protection and thermal shutdown. Evaluate the need for synchronization if using the MAX8521 variant instead.

Power Management - Specialized Part Context

The MAX8520 series includes the MAX8520 and MAX8521, designed specifically for driving thermoelectric coolers. These devices integrate high-frequency switching and control logic into a compact package. The MAX8520ETP/GG8 represents a specific package variation within this family, optimized for surface-mount assembly in dense PCB layouts typical of modern optical transceivers.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers: MAX8521EWX.