DS2762 MAXIM [Maxim Integrated Products], DS2762 Datasheet
DS2762
Manufacturer Part Number
DS2762
Description
High-Precision Li+ Battery Monitor With Alerts
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.DS2762.pdf
(25 pages)
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Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
www.maxim-ic.com
GENERAL DESCRIPTION
The DS2762 high-precision Li+ battery monitor is a
data-acquisition, information-storage, and safety-
protection device tailored for cost-sensitive battery
pack applications. This low-power device integrates
precise
measurement, nonvolatile (NV) data storage, and Li+
protection into the small footprint of either a TSSOP
package or flip-chip package. The DS2762 is a key
component
capacity estimation, safety monitoring, and battery-
specific data storage.
PIN CONFIGURATIONS
1-Wire is registered trademark of Dallas Semiconductor.
TOP VIEW
temperature,
in
(top view – bumps on bottom)
SNS
SNS
SNS
PLS
IS2
CC
DC
DQ
V
applications
CC
1
PLS DC
V
DD
IN
1
1
2
2
2 3
4
5
6
7
8
SNS
PROBE
V
PROBE
FLIP CHIP
PIO
TSSOP
2
SS
voltage,
V
SNS
SS
3
16
15
14
13
12
11
10
9
including
IS1
IS2
DQ
PS
4
V
V
PIO
V
V
V
PS
IS1
IN
DD
SS
SS
SS
A
B
C
D
E
F
and
remaining
High-Precision Li+ Battery Monitor With Alerts
current
1 of 25
FEATURES
§
§
§
§
§
§
§
§
§
§
§
§
§
APPLICATIONS
PDAs
Cell Phones/Smartphones
Digital Cameras
ORDERING INFORMATION
Selector Guide appears at end of data sheet, for additional
options.
DS2762BE
Li+ Safety Circuit
Overvoltage Protection
Overcurrent/Short-Circuit Protection
Undervoltage Protection
Host Alerted When Accumulated Current or
Temperature Exceeds User-Selectable Limits
0V Battery Recovery Charge
Available in Two Configurations:
Internal 25mW Sense Resistor
External User-Selectable Sense Resistor
Current Measurement
12-Bit Bidirectional Measurement
Internal Sense Resistor Configuration:
External Sense Resistor Configuration:
Current Accumulation:
Internal Sense Resistor: 0.25mAhr LSB
External Sense Resistor: 6.25mVhr LSB
Voltage Measurement with 4.88mV Resolution
Temperature Measurement Using Integrated
Sensor with 0.125°C Resolution
System Power Management and Control
Feature Support
32 Bytes of Lockable EEPROM
16 Bytes of General-Purpose SRAM
Dallas 1-Wire
Device Address
Low-Power Consumption:
Active Current: 60mA typ, 90mA max
Sleep Current: 1mA typ, 2mA max
PART
0.625mA LSB and ±1.9A Dynamic Range
15.625mV LSB and ±64mV Dynamic Range
-20°C to +70°C
TEMP RANGE
®
Interface with Unique 64-Bit
PIN-PACKAGE
16 TSSOP
DS2762
REV: 111703
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