MAX38888ATD+T

Overview

The MAX38888ATD+T is a reversible buck-boost switching regulator designed for supercapacitor backup power applications. It operates with an input voltage range of 2.5 V to 5.5 V and provides a single output adjustable from 2.5 V to 5 V. The device delivers up to 500 mA continuous current or 2.5 A peak current. Key electrical specifications include a quiescent current of 2.5 uA, a fixed switching frequency of 2 MHz, and operation within a temperature range of -40°C to +125°C.

Feature Summary

• Reversible buck-boost topology supports bidirectional energy flow for supercapacitor charging and discharging
• Ultra-low static current enables extended battery life in standby modes
• Integrated short-circuit protection safeguards the component during fault conditions

Applications

• Supercapacitor backup power systems
• Battery multifunction controller circuits
• Portable electronic device power management

Procurement Notes

Verify the specific ordering suffix and package variant against the manufacturer's official datasheet to ensure compatibility with your design requirements. Confirm that the component meets all relevant environmental compliance standards required for your target market before finalizing procurement decisions.

Selection Notes

Select this component when designing power systems requiring bidirectional regulation between a low-voltage source and a supercapacitor bank. Ensure the application demands high efficiency across varying input voltages and requires minimal standby current consumption to preserve system uptime effectively.

Part Context

This part belongs to the MAX38888 series of supercapacitor backup regulators manufactured by Analog Devices / Maxim Integrated. It is housed in a 14-TDFN (3x3) surface-mount package with an exposed pad for thermal dissipation. The device integrates essential control logic for managing energy storage elements in compact form factors.

Replacement Considerations

MAX38886ATD+