ModelGauge m5 Algorithm
Eliminates Error when Approaching Empty Voltage
Eliminates Coulomb-Counter Drift
Current, Temperature, and Age Compensated
Does Not Require Empty, Full, or Idle States
No Characterization Required for EZ Performance (See the ModelGauge m5 EZ Performance Section)
Cycle+ Age Forecasting Observes Lifespan
Nonvolatile Memory for Stand-Alone Operation
Learned Parameters and History Logging
Up to 75 Words Available for User Data
Precision Measurement System
No Calibration Required
Time-to-Empty and Time-to-Full Estimation
Temperature Measurement
Die Temperature
Up to Two External Thermistors
Multiple Series Cell Pack Operation
Low Quiescent Current
MAX172x1: 18μA Active, 9μA Hibernate
MAX172x5: 25μA Active, 12μA Hibernate
Alert Indicator for Voltage, SOC, Temperature, Current, and 1% SOC Change
High-Speed Overcurrent Comparators
Predicts Remaining Capacity Under Theoretical Load
SHA-256 Authentication
Maxim 1-Wire or 2-Wire (I2C) Interface
SBS 1.1 Compatible Register Set
Applications
Digital Still and Video Cameras
e-Readers
Handheld Computers and Terminals
Handheld Radios
Portable Game Players
Portable Medical Equipment