Rainbow Electronics DS2781 - Manual (Page 12)

DS2781: Two-Cell Standalone Fuel Gauge IC
12 of 30
Figure 11. Top Level Algorithm Diagram
Capacity Look-up
Available Capacity Calculation
ACR Housekeeping
Age Estimator
Learn Function
Cell
Parameters
16 bytes
(EEPROM)
FULL FULL(T) (R)
Active Empty AE(T) (R)
Standby Empty SE(T) (R)
Remaining Active Absolute
Capacity (RAAC) mAh (R)
Sense Resistor’
(RSNSP) (1byte EE)
Voltage (R)
Temperature (R)
Current (R)
Accumulated
Current (ACR) (R/W)
Aging Cap (AC)
(2 bytes EE)
Charge Voltage
(VCHG) (1 byte EE)
Remaining Stand-by Absolute
Capacity (RSAC) mAh (R)
Remaining Active Relative
Capacity (RARC) %
(R)
Remaining Stand-by Relative
Capacity (RSRC) %
(R)
Age Scalar (AS)
(1 bytes EE)
Min Chg Current
(IMIN) (1 byte EE)
Active Empty
Voltage (VAE)
(1 byte EE)
Active Empty
Current (IAE)
(1 byte EE)
Average Current (R)