MAX77640

PRODUCTION

Ultra-Low Power PMIC with 3-Output SIMO, 150mA LDO, and Power Sequencer

Always-On, Low-Power Application Mini PMIC. Single Inductor with 3 Buck-Boost Outputs, LDO, and Current Sinks

Data Sheet (Rev. 0)

Product Selection Table

Part Models: 2
1ku List Price: Starting From $2.24

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Part Details

Compact, High-Efficiency Power Solution
- 3-Output Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator
- 150mA LDO
- 3-Channel Current-Sink Driver
- Flexible Power Sequencing
- GPIO and Reset Output
3-Output SIMO Extends Battery Life
- 2.7V to 5.5V Input Voltage Range from Single Cell Li-Ion
- 0.8V to 5.25V Output Voltage Range (Table 1)
- Supports >300mA loads (1.8V_OUT, 3.7V_IN)
- Improves Overall System Efficiency while Reducing Size
- Maintains Regulation without Dropout unlike Traditional Bucks
- Glitchless Buck-Boost Operation
Low Quiescent Current
- 300nA Shutdown Current
- 5.6µA Operating Current (3 SIMO Channels and LDO On)
Small Size
- 2.75mm x 2.15mm (0.7mm max heigh) WLP
- 30-Bump, 0.4mm Pitch, 6 x 5 Array
- 16mm² Total Solution Size

Part Models: 2
1ku List Price: Starting From $2.24

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
MAX77640AEWV+	Wafer-Level Package 5x6 Bump, Full Array	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX77640AEWV+T	Wafer-Level Package 5x6 Bump, Full Array	Material Declaration Reliablity Data	Ultra Librarian SamacSys

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

Hardware Ecosystem

Parts	Product Life Cycle	Description
Battery Charger Plus DC/DC 1
MAX77278	PRODUCTION	Ultra-Low Power PMIC with 3-Output SIMO, Power Path Charger Optimized for Small Li+, 425mA Current Sink, and 8 GPIOs
PMIC (DC/DC, PowerPath, and Battery Charger) 2
MAX77650	PRODUCTION	Ultra-Low Power PMIC with 3-Output SIMO and Power Path Charger for Small Li+
MAX77651	PRODUCTION	Ultra-Low Power PMIC with 3-Output SIMO and Power Path Charger for Small Li+
SIMO Regulators 1
MAX77680	PRODUCTION	3-Output SIMO Buck-Boost Regulator with Power Sequencer and 3μA I_Q

USB Power Manager (PowerPath, Battery Charger) 1
MAX77734	RECOMMENDED FOR NEW DESIGNS	Ultra-Low Power Tiny PMIC with Power Path Charger for Small Li+ and 150mA LDO

Tools & Simulations

Software Development 2

Evaluation Kits

Evaluation Kit for the MAX77640/MAX77641

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Features and Benefits

Easy to Use
- GUI Drives I²C Interface
- Red/Green/Blue LED
- Fully Assembled and Tested
Emulates System Loading
- On-Board Electronic Load for LDO and SIMO Buck Boost Outputs
- Electronic Load has Steady-State, Transient, and Random Modes
Evaluates Both Push-Button and Slider-Switch On-Key Options

Product Details

The MAX77640/MAX77641 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB) that demonstrates the MAX77640/MAX77641. The EV kit allows for easy evaluation of the MAX77640/MAX77641 resources, including the SIMO, LDO, GPIO, current sinks, and I²C interface.

Windows^®-based software provides a user-friendly graphical interface (GUI) as well as a detailed register-based interface to exercise the features of the MAX77640/ MAX77641.

Applications

Action Cameras, Wearable/Body Cameras
Hearables: Bluetooth Headphones and Earbuds
Internet of Things (IoT) Devices
Wearables: Fitness, Health, and Activity Monitors

Resources

UG-6516: MAX77640/MAX77641 Programmer's Guide
743.00K

UG-6515: MAX77640/MAX77641 I²C-Compatible Serial Interface Implementation Guide
571.00K

MAX77640EVKIT ODB File - Design Files
5.1 M

MAX77640EVKIT BOM
159.30K

MAX77640EVKIT Board Layout - Design Files
4.76M

MAX77640EVKIT Schematic
235.96K

MAX77640EVKIT Gerber Files
5.05 M