DS2786G+T&R Maxim Integrated Products, DS2786G+T&R Datasheet - Page 16

• Manufacturer Part Number: DS2786G+T&R
• Description: IC FUEL GAUGE OCV 10-TDFN
• Manufacturer: Maxim Integrated Products

Specifications of DS2786G+T&R

• Function: Fuel, Gas Gauge/Monitor
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-TDFN Exposed Pad
• Product: Fuel Gauges
• Operating Supply Voltage: 2.5 V to 4.5 V
• Supply Current: 50 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: Yes
• Mounting Style: SMD/SMT
• Temperature Monitoring: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 3. Memory Map
Table 4. Parameter EEPROM Memory Block
*
Address Configuration Register as illustrated in Figures 24 and 25
The factory default 7-bit Slave Address is 0110110. The upper 3 bits are fixed at 011, the lower 4 bits can be changed by writing the I
ADDRESS
6Ch
6Dh
6Ah
6Bh
6Eh
6Fh
60h
61h
62h
63h
64h
65h
66h
67h
68h
69h
Current Offset Bias Register
Capacity 1
Capacity 2
Capacity 3
Capacity 4
Capacity 5
Capacity 6
Capacity 7
Voltage Breakpoint 0 MSB
Voltage Breakpoint 0 LSB
Voltage Breakpoint 1 MSB
Voltage Breakpoint 1 LSB
Voltage Breakpoint 2 MSB
Voltage Breakpoint 2 LSB
Voltage Breakpoint 3 MSB
Voltage Breakpoint 3 LSB
ADDRESS (HEX)
80h to FDh
18h to 5Fh
60h to 7Fh
03h to 07h
10h to 13h
0Ch
0Dh
0Ah
0Bh
0Eh
0Fh
Feh
FFh
00h
01h
02h
08h
09h
14h
15h
16h
17h
DESCRIPTION
Reserved
Status/Config Register
Relative Capacity
Reserved
Auxiliary Input 0 MSB
Auxiliary Input 0 LSB
Auxiliary Input 1 / Temperature MSB
Auxiliary Input 1 / Temperature LSB
Voltage Register MSB
Voltage Register LSB
Current Register MSB
Current Register LSB
Reserved
Initial Voltage MSB
Initial Voltage LSB
Last OCV Relative Capacity
Learned Capacity Scaling Factor
Reserved
Parameter EEPROM
Reserved
Command
Reserved
FACTORY
VALUE
BCh
C0h
0Ah
A0h
Aah
B5h
A3h
B9h
00h
14h
32h
69h
20h
50h
10h
20h
DESCRIPTION
.
16 of 22
ADDRESS
7Ah
7Bh
7Ch
7Dh
7Eh
70h
71h
72h
73h
74h
75h
76h
77h
78h
79h
7Fh
DS2786 Stand-Alone OCV-Based Fuel Gauge
Voltage Breakpoint 4 MSB
Voltage Breakpoint 4 LSB
Voltage Breakpoint 5 MSB
Voltage Breakpoint 5 LSB
Voltage Breakpoint 6 MSB
Voltage Breakpoint 6 LSB
Voltage Breakpoint 7 MSB
Voltage Breakpoint 7 LSB
Voltage Breakpoint 8 MSB
Voltage Breakpoint 8 LSB
Initial Capacity Scaling Factor
Blanking/OCV Current Threshold
OCV dV/dt Threshold
I
Learn Threshold
User EEPROM
2
C Address Configuration*
DESCRIPTION
READ/WRITE
R/W
R/W
R/W
—
—
—
—
—
—
R
R
R
R
R
R
R
R
R
R
R
R
R
FACTORY
VALUE
60h*
CDh
C4h
Ceh
D1h
D5h
F0h
20h
10h
40h
90h
80h
06h
93h
78h
00h
2
C