Features and Benefits
- 4x Buck-Boost Regulators, 1x Inductor
- 2.5V to 5.5V Input Voltage Range
- 0.5V to 4.0V Output Voltage Range
- 700mA Total Output Current (3.7VIN, 1.8VOUT)
- Single-Inductor Multiple-Outputs (SIMO)
- Up to 90% Efficiency
- 6.9µA Typical IQ with Two Outputs Enabled in Low-Power Mode
- I2C Interface and Dedicated Enable Pin
- Flexible Power Sequencer (FPS)
- 1.99mm x 1.99mm, 16-Bumps, 0.5mm Pitch Wafer-Level Package (WLP)
- < 40mm2 Solution Size
The MAX77655 is a highly efficient, complete power supply for low-power, ultra-compact applications. It provides four programmable buck-boost switching regulator outputs using only one inductor. Operating from a single Li-ion battery, the MAX77655 delivers a total of 700mA output current (3.7VIN, 1.8VOUT) in less than 40mm2 solution size.
An integrated sequencer controls full startup while an I2C interface allows the MAX77655 to be dynamically configured and monitored.
This device is part of the single-inductor multiple-output (SIMO) product family.
- TWS Bluetooth™ Headphones/Hearables
- Fitness, Health, Activity Monitors, and Smart Watches
- Portable Devices
- Sensors Nodes and Consumer Internet of Things (IoT)
Product Lifecycle Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
The MAX77655 evaluation kit (EV kit) allows for easy experimentation with the MAX77655 CCM single-inductor, multiple-output (SIMO) regulator and I2C interface
The Windows® -based software provides a user-friendly graphical interface as well as a detailed register-based interface to exercise the features of the MAX77655.
Documentation & Resources
UG-7278: MAX77655 Programmer's Guide9/15/2020
Tools & Simulations
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
Sample & Buy
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Buy Now Pricing
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.