DS2781 Maxim Integrated Products, DS2781 Datasheet - Page 12

• Manufacturer Part Number: DS2781
• Description: 1-Cell or 2-Cell Standalone Fuel Gauge IC
• Manufacturer: Maxim Integrated Products

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