Details, datasheet, quote on part number: MAX17055XEVKIT
PartMAX17055XEVKIT
Category
TitleKIT FOR MAX17055
Description
CompanyMaxim Integrated Products
DatasheetDownload MAX17055XEVKIT datasheet
  

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MAX17055EWL+: IC FUEL GAUGE MODELGAUGE 9-WLP

 

Features, Applications

The is a low 7A operating current fuel gauge that implements Maxim ModelGaugeTM m5 EZ algorithm. ModelGauge m5 EZ makes fuel gauge implementation easy by eliminating battery characterization requirements and simplifying host software interaction. The ModelGauge m5 EZ robust algorithm provides tolerance against battery diversity for most lithium batteries and applications. ModelGauge m5 EZ algorithm combines the short-term accuracy and linearity of a coulomb counter with the longterm stability of a voltage-based fuel gauge, along with temperature compensation to provide industry-leading fuel gauge accuracy. The MAX17055 automatically compensates for cell aging, temperature, and discharge rate, and provides accurate state of charge (SOC in and remaining capacity in milliampere-hours (mAh). As the battery approaches the critical region near empty, the ModelGauge m5 algorithm invokes a special compensation that eliminates any error. It also provides three methods for reporting the age of the battery: reduction in capacity, increase in battery resistance, and cycle odometer. The MAX17055 provides precision measurements of current, voltage, and temperature. Temperature of the battery pack is measured using an internal temperature measurement or external thermistor. 2-wire I2C interface provides access to data and control registers. The MAX17055 is available in a tiny, lead-free 0.4mm pitch 1.5mm, 9-pin WLP package, and 2.5mm, 10-pin TDFN package.

ModelGauge m5 EZ No Characterization Required for EZ Performance Robust Against Battery Variation Eliminates Error Near Empty Voltage Eliminates Coulomb Counter Drift Current, Temperature, and Age Compensated Does Not Require Empty, Full, or Idle States Low 7A Operating Current Wide Sense Resistor Range to 1000m PCB Metal Sensing + Temperature Compensation Supports Li+ and Variants Including LiFePO4 1C Internal Temperature or Thermistor Dynamic Power Estimates Power Capability During Discharge Time-to-Empty and Time-to-Full Estimation Constant Power or Constant Current Predicts Remaining Capacity Under Theoretical Load Precision Measurement System No Calibration Required Alert Indicator for Voltage, SOC, Temperature, Current and 1% SOC Change

Applications

Wearables, Smartwatches Smartphones Tablets, 2-in-1 Laptops Bluetooth Headsets Health and Fitness Monitors Digital Still, Video, and Action Cameras Medical Devices Handheld Computers and Terminals Wireless Speakers Home and Building Automation, Sensors Portable Game Players Toys

ModelGauge is a trademark of Maxim Integrated Products, Inc.

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Package Code Outline Number Land Pattern Number Thermal Resistance, Four-Layer Board: Junction to Ambient (JA) W91N1+1 21-100129 Refer to Application Note 1891

Package Code Outline Number Land Pattern Number Thermal Resistance, Four-Layer Board: Junction to Ambient (JA) Junction to Case (JC) 21-100013 90-100007

For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that or in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.


 

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