ds2760bx-025-t-r Maxim Integrated Products, Inc., ds2760bx-025-t-r Datasheet - Page 25

• Manufacturer Part Number: ds2760bx-025-t-r
• Description: Ds2760 High-precision Li+ Battery Monitor
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS:
1-WIRE INTERFACE
EEPROM RELIABILITY SPECIFICATION
NOTES
1) All voltages are referenced to VSS.
2) See “Ordering Information” section of datasheet to determine corresponding part number for each V
3) Internal current sense resistor configuration.
4) External current sense resistor configuration.
5) Self heating due to output pin loading and sense resistor power dissipation can alter the reading from ambient conditions.
6) Voltage offset measurement is with respect to V
7) The current register supports measurement magnitudes up to 2.56A using the internal sense resistor option and 64mV with
8) Current offset error null to ±1LSB typically requires 3.5s in-system calibration by user.
9) Current gain error specification applies to gain error in converting the voltage difference at IS1 and IS2, and excludes any
10) Typical value for t
11) 4-year data retention at +70°C.
12) Typical load capacitance on
13) Test conditions are PLS = 4.1V, V
14)
PARAMETER
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
SWAP timing pulse width
SWAP timing pulse
falling edge to DC release
SWAP timing pulse rising
edge to DC engage
DQ Capacitance
PARAMETER
Copy to EEPROM Time
EEPROM Copy Endurance
the external resistor option. Compensation of the internal sense resistor value for process and temperature variation can
reduce the maximum reportable magnitude to 1.9A.
error remaining after the DS2760 compensates for the internal sense resistor’s temperature coefficient of 3700ppm/°C to
an accuracy of ±500ppm/°C. The DS2760 does not compensate for external sense resistor characteristics, and any error
terms arising from the use of an external sense resistor should be taken into account when calculating total current
measurement error.
Error at time of shipment from Dallas Semiconductor is 3% max. Board mounting processes may cause the current gain
error to widen to as much as 10% for devices with the internal sense resistor option. Contact factory for on-board
recalibration procedure for devices with the internal sense resistor option to improve accuracy.
ERR
is at 3.6V and +25°C.
DC
SYMBOL
and
SYMBOL
DD
t
t
t
t
t
t
t
SWOFF
t
t
t
SWON
C
t
LOW0
LOW1
t
RSTH
SLOT
RSTL
RDV
SWL
PDH
REC
PDL
= 2.5V. Maximum current for conditions of PLS = 15V, V
N
DQ
t
CC
EEC
EEC
is 1000pF.
OV
at +25°C.
MIN
480
480
25000
0.2
60
60
15
60
MIN
1
1
0
0
25
(-20°C to +70°C; 2.5V £ V
TYP
(-20°C to +70°C; 2.5V £ V
TYP
2
MAX
MAX
120
120
960
240
120
15
15
60
60
1
1
10
UNITS
UNITS
DD
cycles
pF
m
m
m
m
m
m
m
m
m
m
ms
ms
ms
=0V is 10mA.
s
s
s
s
s
s
s
s
s
s
OV
value.
DD
DD
NOTES
NOTES
£ 5.5V)
£ 5.5V)
12
12
11