Manufacturer Part Number
MAX17040G+U
Manufacturer
Analog Devices
Introduction
The MAX17040G+U is a compact, high-precision battery monitor from ModelGauge™ series, designed for lithium-ion batteries in a wide array of portable electronics.
Product Features and Performance
High-precision fuel gauging for single-cell Li-ion batteries
ModelGauge algorithm eliminates the need for battery relearn cycles
Low quiescent current for extended battery life
Automatic current-sense resistor selection for system flexibility
Robust algorithm provides tolerance to battery diversity and aging
Small, 8-WFDFN Exposed Pad form factor
Product Advantages
Accurate state-of-charge (SOC) estimation without calibration
Enables longer battery life and runtime prediction
Simplifies system design with minimal external components
Flexible for use with various battery sizes and applications
Durable and reliable over long-term usage
Key Technical Parameters
Function: Battery Monitor
Battery Chemistry: Lithium Ion
Number of Cells: 1
Interface: I2C
Operating Temperature: -20°C ~ 70°C (TA)
Mounting Type: Surface Mount
Package / Case: 8-WFDFN Exposed Pad
Supplier Device Package: 8-TDFN (2x3)
Quality and Safety Features
Precise monitoring contributes to safe battery operation
Integrated temperature monitoring to prevent thermal runaway
Compatibility
Compatible with single-cell lithium-ion batteries
I2C interface for simple integration with microcontrollers
Application Areas
Smartphones and mobile phones
Wireless headphones and earbuds
Portable media players
Wearable devices
Health and fitness trackers
Other single-cell Li-ion battery-powered devices
Product Lifecycle
Product Status: Active
Not currently near discontinuation
Replacements or upgrades may be available within ModelGauge series
Several Key Reasons to Choose This Product
Advanced ModelGauge algorithm negates periodic full battery discharge for recalibration
Offers real-time SOC updates, simplifying user interface design
Supports a minimalistic design footprint due to small package size
High integration reduces the complexity and cost of the bill of materials
Renowned manufacturer provides reliability and expertise in battery management technology