MAX5040EUB

Power Management - Specialized Overview

The MAX5040EUB is a power supply support controller designed for tracking two external power supplies during power-up and power-down sequences. It operates within a 2.5V to 5.5V supply range, making it suitable for battery-powered applications such as Li-ion or multi-cell NiMH systems. The device is housed in a 10-TFSOP (10-MSOP) package with dimensions of 3.00mm width. It features a supply current of 1.3mA and supports fixed voltage control functions using BICMOS technology.

Power Management - Specialized Feature Summary

• Provides precise tracking of two external power supplies during power-up and power-down transitions
• Compatible with a wide range of external power supplies for flexible system integration
• Optimized for low-voltage operation in battery-powered environments

Power Management - Specialized Applications

• Li-ion battery-powered systems
• Multi-cell NiMH battery systems
• ADAS power management architectures

Power Management - Specialized Procurement Notes

The MAX5040EUB is officially listed as obsolete and no longer manufactured by Analog Devices/Maxim Integrated. Procurement should focus on the direct substitute MAX5040EUB+. Verify RoHS compliance and pbFree status through official documentation before ordering. Ensure the replacement part matches the original pinout and electrical specifications to maintain system integrity.

Power Management - Specialized Selection Notes

Select the MAX5040EUB+ as the primary replacement due to its identical functionality and direct compatibility. Consider the 10-UMAX package form factor when designing PCB layouts. Evaluate the 2.5V to 5.5V input range against system requirements. Confirm that the 1.3mA supply current aligns with power budget constraints for portable devices.

Power Management - Specialized Part Context

This component belongs to the Maxim Integrated power management family, specifically targeting voltage tracking controllers. It serves as a critical interface between main power rails and auxiliary circuits, ensuring stable sequencing. The transition from Maxim to Analog Devices has maintained product lineage, with the '+' suffix indicating lead-free compliant versions of previously standard parts.

Power Management - Specialized Replacement Considerations

The MAX5040EUB+ is the confirmed direct substitute. It retains the same functional specifications and package type. No design-in changes are required for equivalent performance. Verify availability through authorized distributors.