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参数资料
| 型号： | DS2762AE+025 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/25页 |
| 文件大小： | 0K |
| 描述： | IC MON BATT LI-ION HP 16-TSSOP |
| 产品培训模块： | 1-Wire Communications Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| 功能： | 电池监控器 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 管件 |
| 产品目录页面： | 1436 (CN2011-ZH PDF) |
DS2762 High-Precision Li+ Battery Monitor With Alerts
Figure 1. Block Diagram
DQ
THERMAL
SENSE
1-Wire
INTERFACE
AND
ADDRESS
DS2762
VOLTAGE
REFERENCE
REGISTERS AND
USER MEMORY
LOCKABLE EEPROM
SRAM
TEMPERATURE
VOLTAGE
V IN
IS1
IS2
+
-
MUX
ADC
CURRENT
ACCUM. CURRENT
STATUS/CONTROL
TIMEBASE
PIO
PLS
PS
INTERNAL SENSE RESISTOR
CONFIGURATION ONLY
Li+ PROTECTION
CC
DC
SNS
IS2
25m W
IS1
CHIP GROUND
V SS
DETAILED 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 temperature,
voltage, and current 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 in applications including remaining
capacity estimation, safety monitoring, and battery-specific data storage.
Through its 1-Wire interface, the DS2762 gives the host system read/write access to status and control registers,
instrumentation registers, and general-purpose data storage. Each device has a unique factory-programmed 64-bit
net address that allows it to be individually addressed by the host system, supporting multibattery operation.
The DS2762 is capable of performing temperature, voltage, and current measurement to a resolution sufficient to
support process monitoring applications such as battery charge control, remaining capacity estimation, and safety
monitoring. Temperature is measured using an on-chip sensor, eliminating the need for a separate thermistor.
Bidirectional current measurement and accumulation are accomplished using either an internal 25m W sense
resistor or an external device. The DS2762 also features a programmable I/O pin that allows the host system to
sense and control other electronics in the pack, including switches, vibration motors, speakers, and LEDs. This pin
may also be used to alert the host when preset accumulated current or temperature limits are exceeded.
Three types of memory are provided on the DS2762 for battery information storage: EEPROM, lockable EEPROM,
and SRAM. EEPROM memory saves important battery data in true NV memory that is unaffected by severe battery
depletion, accidental shorts, or ESD events. Lockable EEPROM becomes ROM when locked to provide additional
security for unchanging battery data. SRAM provides inexpensive storage for temporary data.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2762AE-025/T&R | 制造商:Maxim Integrated Products 功能描述:BAT MON/PROT VOV-4.275TSSOP INTR TR - Tape and Reel |
| DS2762AE-025/T&R | 功能描述:电池管理 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| DS2762AE-025/TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor With Alerts |
| DS2762AR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor With Alerts |
| DS2762AX/T&R | 功能描述:电池管理 High-Prec Li+ Bat Monitor w/Alerts RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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