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Tiny Power Management IC from Analog Devices Charges Wearables and Hearables Four Times Faster

MAX77659 SIMO PMIC with built-in switching charger reduces bill of materials by 60 percent

Logo for Maxim Integrated Products, Inc. (PRNewsfoto/Maxim Integrated)

News provided by

Analog Devices, Inc.

Sep 21, 2021, 08:00 ET

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WILMINGTON, Mass., Sept. 21, 2021 /PRNewswire/ -- The new MAX77659 single-inductor multiple output (SIMO) power management IC (PMIC) with integrated switch-mode buck-boost charger from Analog Devices, Inc. charges wearables, hearables and Internet of Things (IoT) devices faster and in less space than any other PMIC available today. The MAX77659 SIMO PMIC delivers over four hours of play time after a short, ten-minute charge, and uses a single inductor to power multiple rails, reducing the bill of materials (BOM) by 60 percent and shrinking total solution size by 50 percent.

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Analog Devices'  MAX77659 SIMO PMIC with integrated switch-mode buck-boost charger charges wearables, hearables and IoT devices faster and in less space than any other PMIC available today
Analog Devices' MAX77659 SIMO PMIC with integrated switch-mode buck-boost charger charges wearables, hearables and IoT devices faster and in less space than any other PMIC available today

  • View the MAX77659 SIMO PMIC product page, download the data sheet and order samples: https://bit.ly/MAX77659Product
  • Learn more about ADI's low-power PMICs: https://bit.ly/MAX77659PMICs
  • Download a high-resolution image: https://bit.ly/MAX77659Photo
  • Connect with engineers and ADI product experts on EngineerZone™, an online technical support community: http://ez.analog.com

The MAX77659 SIMO PMIC integrates a switch-mode buck-boost charger and three independently programmable buck-boost regulators, all sharing a single inductor to minimize total solution size. The regulators extend battery life by operating at 91 percent efficiency during moderate to heavy load conditions while consuming only 5µA of quiescent current during light load conditions. The MAX77659 SIMO PMIC supports autonomous headroom control, which reduces heat dissipation by minimizing the voltage drop while providing enough headroom to regulate the charging current. 

"Analog Devices' SIMO product technology shrinks size and boosts performance in the smallest of hearable and wearable devices," said Roger Yeung, Executive Business Manager for the Battery Power Solutions Business Unit at Maxim Integrated®, now part of Analog Devices. "The MAX77659 brings the 'on-the-go' lifestyle to the next level by minimizing plug-in time and maximizing play time. The MAX77659 PMIC frees up board real estate to pack in additional features such as expanded memory storage, location tracking and vital sensing demanded by today's portable consumer and medical devices."

MAX77659 SIMO PMIC Features and Benefits

  • Fastest Charging: The MAX77659 integrates a switch mode buck-boost charger that charges wearables and hearables four times faster. A short, ten-minute charge delivers over four hours of play time compared with traditional solutions that can deliver just one-and-a-half hours of play time post charge.
  • Smallest Size: The MAX77659 is offered in a tiny 30-bump wafer level package (WLP) that measures 2.55 mm x 2.37mm. Use of a single inductor and integration of the charger reduces the bill of materials by 60 percent for a total solution size of just 22mm2, small enough for the most compact wearable and hearable applications.

Pricing and Availability

Product

Availability

Packaging

MAX77659

Now

30-bump 2.55mm x 2.37mm x 0.5mm
WLP package

MAX77659EVKIT

Now

N/A

About Analog Devices, Inc.
Analog Devices, Inc. operates at the center of the modern digital economy, converting real-world phenomena into actionable insight with its comprehensive suite of analog and mixed signal, power management, radio frequency (RF), and digital and sensor technologies. ADI serves 125,000 customers worldwide with more than 75,000 products in the industrial, communications, automotive, and consumer markets. ADI is headquartered in Wilmington, MA. Visit https://www.analog.com.

All trademarks are the property of their respective owners.

Follow ADI on Twitter at http://www.twitter.com/ADI_News 
Read and subscribe to Analog Dialogue, ADI's monthly technical journal, at: http://www.analog.com

###

Contact:

Gayle Bullock


408-464-2516


[email protected]

SOURCE Analog Devices, Inc.

Related Links

http://www.analog.com/

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