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Product Detailed Parameters
- Description：MODEL GAUGE M5 1S TDFN
- Series：ModelGauge™
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Function：Fuel Gauge
- Battery Chemistry：Lithium Ion/Polymer
- Number of Cells：1
- Fault Protection：Over Current, Over Temperature, Over/Under Voltage, Short Circuit
- Interface：I2C
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：14-WFDFN Exposed Pad
- Supplier Device Package：14-TDFN (3x3)
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Overview
The MAX17303G+T is a ModelGauge m5 EZ fuel gauge IC with protector and SHA-256 authentication for single-cell lithium-ion/polymer batteries. It features a 24µA standby current, operates on 2.3V to 4.9V supply voltage, and outputs 1.8V. The device uses a WLP-15 package, supports SMD/SMT installation, and functions within -40°C to +85°C temperature range.
Feature Summary
- Integrates ModelGauge m5 algorithm combining coulomb counter linearity with voltage-based stability for accurate state-of-charge measurement.
- Includes built-in SHA-256 authentication with unique 64-bit ID to prevent battery pack cloning.
- Provides comprehensive protection against over/undervoltage, overcurrent, short-circuit, and thermal extremes using external high-side N-FETs.
Applications
- Smartphones and tablets
- Smartwatches and wearables
- Medical devices and health monitors
Procurement Notes
Verify component authenticity through authorized channels due to potential counterfeit risks. Confirm package integrity and pin alignment before soldering. Ensure ESD precautions are strictly followed during handling and assembly processes.
Selection Notes
Select this component for applications requiring precise battery monitoring and security. Consider the WLP-15 footprint constraints and interface compatibility with host microcontrollers when designing the system architecture.
Part Context
Part of the MAX173xx series offering standalone fuel gauge solutions. Designed for portable electronics needing reliable power management and data access via I2C or 1-Wire interfaces.
Replacement Considerations
Check MAX17301G+T and MAX17302G+T for similar functionality with varying feature sets. Verify pinout compatibility and software register mapping before substitution.
FAQ
What interface does the MAX17303G+T support?
It supports Maxim 1-Wire and 2-wire I2C interfaces for data and control register access.
How does the device ensure battery safety?
It monitors voltage, current, and temperature to trigger protection via external high-side N-FETs against various fault conditions.
