MAX77986

RECOMMENDED FOR NEW DESIGNS

19VIN, 3.5/5.5A 1-Cell Li+ Battery Charger with Smart Power Selector and OTG for USBC PD

Industry's Highest-Efficiency Buck Charger for USB Type-C Power Delivery Applications

Data Sheet (Rev. 3)

Part Models: 6
1ku List Price: Starting From $2.36

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Part Details

High-Efficiency Single-Cell Switching Charger
- Up to 5.5A Charging with MAX77986
- Up to 3.5A Charging with MAX77985
- 92% Buck Efficiency at 4A, 12V Input
- 92% Charging Efficiency at 3.5A, 9V Input
- Optimized for High Voltage Input Operation
- Accelerate Charge Time by Monitoring Kelvin Sensing Battery Voltage
- Up to 5.5A Input Current Limit with AICL (MAX77986)
- Up to 3.5A Input Current Limit with AICL (MAX77985)
+28V Absolute Maximum Input Voltage Rating
4.7V to 19V Input Operating Voltage Range
Reverse Boost with Programmable Output Voltage Options up to 12V
- Up to 18W for MAX77986
- Up to 12W for MAX77985
Safety
- Battery Temperature Sensing and Charge Safety Timer
- JEITA Guideline Compliant
- Thermal Regulation and Thermal Shutdown
- System Voltage OVLO/UVLO

Integrated Battery True-Disconnect FET
- R_DSON = 7.7mΩ
- Programmable Discharge Current Limit up to 10A
- Support Shipping Mode and Low Battery Leakage Current
- 1.3MHz/2.6MHz Switching Frequency with 1μH/0.47μH Inductor
- Disconnect Input (DISQBAT)
Spread Spectrum for Noise Sensitive Applications
Programmable Unplug Detection for 9V and 15V Sources
Charge Status Output for LED
Push-Button Input for Exiting from Ship Mode
External Discharge FET Enable Output
Dedicated Input for Suspend Mode (SUSPND)
I²C Interface
4mm x 4mm FC2QFN

Part Models: 6
1ku List Price: Starting From $2.36

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
MAX77986AEFD+	23-LFCSP-4X4X0.55	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX77986AEFD+T	23-LFCSP-4X4X0.55	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX77986BEFD+	23-LFCSP-4X4X0.55	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX77986BEFD+T	23-LFCSP-4X4X0.55	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX77986CEFD+	23-LFCSP-4X4X0.55	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX77986CEFD+T	23-LFCSP-4X4X0.55	Material Declaration Reliablity Data	Ultra Librarian SamacSys

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

Tools & Simulations

Software Development 1

MAX77958CEWV+ factory firmware, 1.0.0

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MAX77986

Part Details

Documentation

Data Sheet 1

Technical Articles 2

Spec Notice 1

Webcast 1

Tools & Simulations

Software Development 1

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