MAX38889

RECOMMENDED FOR NEW DESIGNS

Analog Devices MAX38889 Product Info

10 February 2026 6

2.5V to 5.5V System Output Voltage Range
0.5V to 5.5V Supercapacitor Voltage Range
±1% Threshold Accuracy
2.5% Hysteresis between Backup and Charging
1A to 3A Peak Inductor Current Limit
- Peak Inductor Current Is Pin-Programmable over 1A to 3A through External Resistor
94% Peak Efficiency, Charging or Discharging Mode
4µA Quiescent Current in Ready State
- After Supercapacitor Is Charged, Draws only 4µA of Quiescent Current
Ready and Backup State Outputs
- RDY and BKB Flags Provide Real-Time Status to System
3mm x 3mm, 16-Pin TQFN Package

Applications

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