MAX77659

RECOMMENDED FOR NEW DESIGNS

SIMO PMIC with 300mA Switching Charger

Recharge Your TWS Earbuds 4 Times Faster and Reduce Your BOM by 60%

Data Sheet (Rev. 1)

Product Selection Table

Part Models: 4
1ku List Price: Starting From $2.50

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Part Details

Highly Integrated
- 3x Output, Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator
  - Supports Wide Output Voltage Range from 0.5V to 5.5V for all SIMO Channels
- 1x 100mA LDO/LSW
- Smart Power Selector™ Li+/Li-Poly Switching Charger
- 2x GPIO Resources
- Analog MUX Output for Power Monitoring
- Factory-Ship Mode (< 200nA I_Q)
- Watchdog Timer
Low Power
- 0.3μA Shutdown Current
- 5μA Operating Current (3 SIMO Channels + 1 LDO)
Charger Optimized for Small Battery Size
- Input Operating Voltage from 3.4V to 5.5V
- Programmable Battery Regulation Voltage from 3.6V to 4.6V
- (MAX77659A) Programmable Fast-Charge Current from 7.5mA to 300mA
- (MAX77659S) Programmable Fast-Charge Current from 5.0mA to 200mA
- (MAX77659A) Programmable Termination Current from 0.375mA to 45mA
- (MAX77659S) Programmable Termination Current from 0.250mA to 30mA
- Thermal Regulation and JEITA Compliance
Flexible and Configurable
- I²C-Compatible Interface and GPIO
- Factory OTP Options Available
Small Size
- 6.04mm² Wafer-Level Package (WLP)
- 30-Bump, 0.4mm Pitch, 6x5 Array

Part Models: 4
1ku List Price: Starting From $2.50

Documentation

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. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX77659AENV+	30-WLCSP-N/A	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX77659AENV+T	30-WLCSP-N/A	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX77659SENV+	30-WLCSP-N/A	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX77659SENV+T	30-WLCSP-N/A	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Tools & Simulations

Software Development 1

DCM SIMO Calculator, 3.0.2

Evaluation Kits

Evaluation Kit for the MAX77659

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Features and Benefits

Easy to Use
GUI Drives I²C Interface
GPIO LEDs
Assembled and Fully Tested
On-Board Electronic Loads
- Steady-State, Transient, and Random Modes
Evaluates Push-Button, Slide-Switch, and Logic Mode On-Key Options

Product Details

The MAX77659 evaluation kit (EV kit) allows for easy experimentation with various MAX77659 features, including a switching charger, a SIMO buck-boost regulator with three buck-boost outputs, a linear regulator, on/off controller, and I²C interface. Windows^®-based software provides a user-friendly graphical interface as well as a detailed register-based interface to exercise the features of the MAX77659.

Applications

Bluetooth Headphones, Hearables
Hearing Aids
Smart Wearables, Fitness Bands, and Medical Wearables
TWS Earbuds

Resources

MAX77659EVKIT ODB Files - Design Files
1.5 M

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MAX77659

Part Details

Documentation

Data Sheet 1

Application Note 1

Technical Articles 1

Video 3