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参数资料
| 型号： | DS2764BE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC MON BATT LI-ION HP 16-TSSOP |
| 产品培训模块： | 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 |
DS2764 High-Precision Li+ Battery Monitor With 2-Wire Interface
Figure 2. Block Diagram
SDA
SCL
THERMAL
SENSE
2-Wire
INTERFACE
DS2764
VOLTAGE
REFERENCE
REGISTERS AND
USER MEMORY
LOCKABLE EEPROM
TEMPERATURE
VOLTAGE
V IN
IS1
IS2
+
-
MUX
ADC
CURRENT
ACCUM. CURRENT
STATUS/CONTROL
TIMEBASE
PLS
PS
INTERNAL SENSE RESISTOR
CONFIGURATION ONLY
Li+ PROTECTION
CC
DC
SNS
IS2
25m ?
IS1
CHIP GROUND
V SS
DETAILED DESCRIPTION
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 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 DS2764 is a key component in applications including remaining
capacity estimation, safety monitoring, and battery-specific data storage.
Through its 2-Wire interface, the DS2764 gives the host system read/write access to status and control registers,
instrumentation registers, and general-purpose data storage. The 7-bit slave address is field programmable, thus
allowing up to 128 devices to be distinctly addressed by the host system.
The DS2764 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 ? sense
resistor or an external device.
EEPROM memory is provided to save important battery data in true NV memory that is unaffected by severe
battery depletion, accidental shorts, or ESD events. 40 bytes are partitioned into two 16-byte blocks and one 8-byte
block. Each block can be individually locked or write protected to provide additional security for unchanging battery
data. The lock operation is permanent and thus converts rewritable EEPROM to read only memory. Devices
ordered with the unique 64-bit ID option do not have access to the 8 byte block, only the two 16 byte blocks of
EEPROM are available.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2764BE/R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
| DS2764BE/T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
| DS2764BE/T&R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
| DS2764BE+ | 功能描述:电池管理 Ic Mon Batt Li-Ion Hp 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 |
| DS2764BE+025 | 功能描述:电池管理 Ic Mon Batt Li-Ion Hp 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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