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參數(shù)資料
| 型號： | DS2441 |
| 英文描述： | 1-Cell Li-Ion Battery Manager |
| 中文描述： | 1節(jié)鋰離子電池管理器 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大小： | 134K |
| 代理商： | DS2441 |
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FEATURES
§
Provides all identification, information,
instrumentation and protection functions
needed in a lithium-ion battery pack
§
Supports one-cell battery packs
§
Protects cell from:
–
overvoltage (overcharge)
–
undervoltage (overdischarge)
–
overcurrent (charging and discharging)
–
high temperatures (thermal runaway)
§
Current accumulator tracks remaining battery
capacity in 0.5% increments
§
Voltage measurement with 10 mV accuracy
§
Temperature measurement with
±
2
°
C
accuracy eliminates need for thermistor
§
32-byte user memory stores battery data
§
64-bit ROM ID uniquely identifies each
battery pack
§
1-Wire interface carries all commands and
data via a single wire
§
Programmable alarm warns when cell is
nearly discharged
§
Programmable I/O pin supports LEDs,
vibration motors and other features
§
Operating temperature range: -40
°
C to +85
°
C
§
10kV ESD rating
PIN ASSIGNMENT
PIN DESCRIPTION
GND
PIO
ISENS
VM
V
DD
CHG
DCHG
DQ
Ground
Programmable I/O pin
Current sense input
not used, connect to GND
Power supply input (2.4V to 10V)
Charge control output
Discharge control output
Data I/O (1-Wire interface)
DESCRIPTION
The DS2441 1-Cell Li-Ion Battery Manager provides all essential functions for monitoring, protecting
and managing one-cell lithium-ion battery packs. The DS2441 constantly measures cell voltage, current,
and temperature, and automatically takes action to disable charging and/or discharging of the cell to
protect it when undesirable conditions arise.
Via its 1-Wire interface, the DS2441 provides the host system access to identification information, status
data, configuration and control settings, instrumentation registers, and general purpose data storage. Each
DS2441 has a factory-programmed 64-bit ROM ID which allows the host system to verify the
authenticity of the battery pack as well as a factory-programmed 16-bit manufacturing ID which can be
used to encode assembly location, cell chemistry and other information. A full set of status information
in the DS2441 keeps the host informed about protection conditions, remaining capacity and other matters.
Configuration and control fields in the device allow the host to disable charging and/or discharging, put
the battery pack in a low-power mode, and set various timing parameters. In addition, instrumentation
DS2441
1-Cell Li-Ion Battery Manager
www.dalsemi.com
PRELIMINARY
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS2450 | 1-Wire Quad A/D Converter |
| DS2450S | 1-Wire Quad A/D Converter |
| DS2480 | Serial 1.Wire Line Driver |
| DS2480S | Serial 1.Wire Line Driver |
| DS2490 | USB to 1-Wire Bridge Chip |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2442 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Battery Management |
| DS245 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Octal Bus Transceiver |
| DS2450 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:1-Wire Quad A/D Converter |
| DS2450S | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS2450S/T&R | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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