DS2784 Maxim Integrated Products, DS2784 Datasheet - Page 4

• Manufacturer Part Number: DS2784
• Description: 1-Cell Stand-Alone Fuel Gauge IC
• Manufacturer: Maxim Integrated Products

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EEPROM RELIABILITY SPECIFICATION
(V
ELECTRICAL CHARACTERISTICS: 1-Wire Interface, Standard
(V
ELECTRICAL CHARACTERISTICS: 1-Wire Interface, Overdrive
(V
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
EEPROM Copy Time
EEPROM Copy Endurance
Time Slot
Recovery Time
Write-0 Low Time
Write-1 Low Time
Read-Data Valid
Reset-Time High
Reset-Time Low
Presence-Detect High
Presence-Detect Low
Time Slot
Recovery Time
Write-0 Low Time
Write-1 Low Time
Read-Data Valid
Reset-Time High
Reset-Time Low
Presence-Detect High
Presence-Detect Low
DD
DD
DD
= 2.5V to 5.5V, T
= 2.5V to 5.5V, T
= 2.5V to 5.5V, T
PARAMETER
PARAMETER
PARAMETER
All voltages are referenced to V
Factory-calibrated accuracy. Higher accuracy can be achieved by in-system calibration by the user.
Accumulation bias and offset bias registers set to 00h. NBEN bit set to 0.
Parameters guaranteed by design.
CP pin externally driven to 10V.
Overvoltage and undervoltage delays (t
Active mode.
t
UVD
MIN determined by voltage step on V
A
A
A
= -20°C to +70°C, unless otherwise noted.)
= -20°C to +70°C, unless otherwise noted.)
= -20°C to +70°C.)
DS2784: 1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 Authentication
SS
SYMBOL
SYMBOL
SYMBOL
.
t
t
t
t
N
t
t
t
t
t
t
t
t
t
t
t
t
t
LOW0
LOW1
RSTH
t
LOW0
LOW1
RSTH
t
SLOT
RSTL
SLOT
RSTL
EEC
REC
RDV
PDH
REC
RDV
PDH
PDL
PDL
EEC
OVD
IN
, t
from V
UVD
) are reduced to 0s if the OV or UV condition is detected within 100ms of entering
T
A
UV
= +50°C
+ 250mV to V
4 of 37
CONDITIONS
CONDITIONS
CONDITIONS
UV
- 250mV.
50,000
MIN
MIN
MIN
480
480
60
60
15
60
48
48
1
1
6
1
6
1
2
8
TYP
TYP
TYP
MAX
MAX
MAX
120
120
960
240
10
15
15
60
16
16
80
24
2
2
6
UNITS
UNITS
UNITS
cycles
ms
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs