MAX17055EWL+

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> Semiconductors - ICs

> Battery Management

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Series Information for MAX17055EWL+ - Maxim Integrated

Features

  • feature
    1mu03a9 to 1000mu03a9
  • feature
    Alert Indicator for Voltage, SOC, Temperature,
  • feature
    Current, Temperature, and Age Compensated
  • feature
    Does Not Require Empty, Full, or Idle States
  • feature
    Dynamic Power Estimates Power Capability During Discharge
  • feature
    Eliminates Coulomb Counter Drift
  • feature
    Eliminates Error Near Empty Voltage
  • feature
    Low 7u03bcA Operating Current
  • feature
    No Calibration Required
  • feature
    No Characterization Required for EZ Performance
  • feature
    PCB Metal Sensing + Temperature Compensation
  • feature
    Precision Measurement System
  • feature
    Predicts Remaining Capacity Under Theoretical Load
  • feature
    Robust Against Battery Variation
  • feature
    Supports Li+ and Variants Including LiFePO4
  • feature
    Time-to-Empty and Time-to-Full Estimation
  • feature
    Wide Sense Resistor Range
  • feature
    u00b11u00b0C Internal Temperature or Thermistor
  • feature
    u200b Constant Power or Constant Current

Description

BATTERY FUEL GAUGE LI-ION WLP-9
The MAX17055 is a low 7μA operating current fuel gauge that implements Maxim ModelGauge™ 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 long- term stability of a voltage-based fuel gauge, along with temperature compensation to provide industry-leading fuel gauge accuracy. The MAX17055 automatically com- pensates 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 compensa- tion that eliminates any error. It also provides three meth- ods for reporting the age of the battery: reduction in capac- ity, increase in battery resistance, and cycle odometer. The MAX17055 provides precision measurements of cur- rent, voltage, and temperature. Temperature of the battery pack is measured using an internal temperature mea- surement or external thermistor. A 2-wire I2C interface provides access to data and control registers. The MAX17055 is available in a tiny, lead-free 0.4mm pitch 1.4mm x 1.5mm, 9-pin WLP package, and a 2mm x 2.5mm, 10-pin TDFN package. Ordering Information appears at end of data sheet. ModelGauge is a trademark of Maxim Integrated Products, Inc. 19-8726; Rev 0; 1/17

Specifications

Battery Management Function:
Fuel Gauge
Battery Type:
Li-Ion
Supply Voltage Min:
2.3V
Supply Voltage Max:
4.9V
Battery IC Case Style:
WLP
No. of Pins:
9Pins
IC Interface Type:
I2C
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jan-2018)

Alternate Descriptions

Avnet Europe

Fuel Gauge Li-Ion/Li-FePO4 9-Pin WLP Cut Tape