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DS2764AX-025/T PDF预览

DS2764AX-025/T

更新时间： 2024-11-15 06:54:39
品牌 Logo 应用领域
美信 - MAXIM 电池监视器
页数 文件大小 规格书
20页 246K
描述
High-Precision Li+ Battery Monitor with 2-Wire Interface

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中文翻译

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DS2764AX-025/T 数据手册

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DS2764  
High-Precision Li+ Battery Monitor  
with 2-Wire Interface  
www.maxim-ic.com  
GENERAL DESCRIPTION  
FEATURES  
The DS2764 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  
Cꢀ Li+ Safety Circuit  
Overvoltage Protection  
Overcurrent/Short-Circuit Protection  
Undervoltage Protection  
precise  
temperature,  
voltage,  
and  
current  
Cꢀ 0V Battery Recovery Charge  
measurement, nonvolatile (NV) data storage, and Li+  
protection into the small footprint of either a TSSOP  
package or flip-chip package. The DS2764 is a key  
component in applications requiring remaining  
capacity estimation, safety monitoring, and battery-  
specific data storage.  
Cꢀ Available in Two Configurations:  
Internal 25mꢀ Sense Resistor  
External User-Selectable Sense Resistor  
Cꢀ Current Measurement  
12-Bit Bidirectional Measurement  
Internal Sense Resistor Configuration:  
0.625mA LSB and ±1.9A Dynamic Range  
External Sense Resistor Configuration:  
15.625ꢁV LSB and ±64mV Dynamic Range  
PIN CONFIGURATIONS  
TOP VIEW  
Cꢀ Current Accumulation:  
1
2
16  
15  
14  
13  
12  
11  
10  
9
VIN  
CC  
PLS  
DC  
Internal Sense Resistor: 0.25mAhr LSB  
External Sense Resistor: 6.25ꢁVhr LSB  
VDD  
SCL  
VSS  
VSS  
VSS  
SDA  
IS1  
3
Cꢀ Voltage Measurement with 4.88mV Resolution  
SNS  
SNS  
SNS  
PS  
4
5
6
7
8
Cꢀ Temperature Measurement Using Integrated  
Sensor with 0.125°C Resolution  
Cꢀ 40 Bytes of Lockable EEPROM  
Cꢀ Option for Unique 64-bit ID  
IS2  
Cꢀ Industry 2-Wire Interface with Programmable  
Slave Address  
TSSOP  
Cꢀ Low-Power Consumption:  
Active Current: 60ꢁA typ, 90ꢁA max  
Sleep Current: 1ꢁA typ, 2ꢁA max  
1
2
3
4
A
B
SNS  
APPLICATIONS  
PDAs  
PLS DC  
PS  
Cell Phones/Smartphones  
Digital Cameras  
C
D
SNS  
CC  
IS2  
IS1  
PROBE  
VSS  
VIN  
ORDERING INFORMATION  
PROBE  
E
F
PART  
TEMP RANGE  
PIN-PACKAGE  
VDD SCL  
SDA  
DS2764BE  
-20°C to +70°C  
16 TSSOP  
VSS  
Selector Guide appears at end of data sheet, for additional  
options.  
FLIP CHIP  
(TOP VIEWZBUMPS ON BOTTOM)  
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.  
1 of 20  
011005  
1234567...20

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