DS2777G+ Maxim Integrated Products, DS2777G+ Datasheet - Page 39

• Manufacturer Part Number: DS2777G+
• Description: IC FUEL GAUGE LI+ 2CELL 14-TDFN
• Manufacturer: Maxim Integrated Products

Specifications of DS2777G+

• Function: Fuel, Gas Gauge/Monitor
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 4 V ~ 9.2 V
• Operating Temperature: -20°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 14-TDFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 25. Compute MAC Command
Figure 26. Compute Next Secret Command
Figure 27. Copy Data Command
Protector and Optional SHA-1 Authentication
1-Wire
RESET
1-Wire
RESET
1-Wire
RESET
PRESENCE
2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with
PRESENCE
PRESENCE
PULSE
PULSE
PULSE
COMMAND
SKIP-ROM
COMMAND
______________________________________________________________________________________
COMMAND
SKIP-ROM
SKIP-ROM
NEXT SECRET COMMAND
MAC COMMAND
COMPUTE
COPY DATA
COMPUTE
COMMAND
WAIT FOR MAC
COMPUTATION
WAIT FOR MAC
COMPUTATION
t
SHA
TIME SLOTS
8 WRITE
t
SHA
8 WRITE-ZERO
TIME SLOTS
WAIT FOR EEPROM
PROGRAMMING
t
EEC
WAIT FOR EEPROM
UP TO 160 READ TIME SLOTS
PROGRAMMING
(READ 20-BYTE MAC)
t
EEC
39