參數(shù)資料
型號(hào)： DS2435
英文描述： Battery Identification Chip with Time/Temperature Histogram
中文描述： 電池識(shí)別芯片的時(shí)間/溫度直方圖
文件頁(yè)數(shù)： 6/24頁(yè)
文件大?。?/td> 788K
代理商： DS2435
DS2435
6 of 24
t
1
-t
8
REGISTERS (64h-73h)
These registers hold the accumulated time values for the time/temperature histogram. t
1
corresponds to
the time spent in histogram bin 1, t
2
the time spent in bin 2, etc., where the bins are defined by the limits
set in TA-TG as shown in Figure 2. The format for the time value stored in these two-byte registers
depends upon the SAMPLE RATE, and is defined in the paragraph describing the SAMPLE RATE
parameter.
t REGISTER (74h-76h)
This 3-byte register is the elapsed time counter, formatted as follows:
The elapsed time counter has an LSB value of 1 minute; the total time which the counter can
accommodate is 2
24
minutes, or 31.92 years.
Issuing any protocol to the DS2435 prevents the incrementing of the elapsed time counter and histogram
registers until the protocol is cleared by issuing a reset. Therefore, it is imperative that any protocol
issued to the DS2435 be followed by a reset (either after the protocol, if it requires no data, or
immediately following the required data). This is necessary to avoid contention between the counter and
histogram writing process and external processes.
PAGE 5
The fifth page of memory holds the battery manufacturer ID number, a 2-byte counter for counting the
number of battery charge/discharge cycles, histogram bin limits, and sample rate.
ID REGISTER (80h and 81h)
The ID Register is a 16-bit ROM register that can contain a unique identification code, if purchased from
Dallas Semiconductor. This ID number is programmed by Dallas Semiconductor, is unchangeable, and is
unique to each customer. This ID number may be used to ensure that batteries containing a DS2435 have
the same manufacturer ID number as a charger configured to operate with that battery pack. This feature
may be used to prevent charging of batteries for which the charging circuit has not been designed.
CYCLE COUNTER (82h and 83h)
The cycle counter register gives an indication of the number of charge/discharge cycles the battery pack
has been through. This nonvolatile (E
2
) register is incremented by the user through the use of a protocol
to the DS2435, and is reset by another protocol. The counter is a straight binary counter, formatted as
follows:
相關(guān)PDF資料
PDF描述
DS2436 Battery ID/Monitor Chip
DS2436Z Battery ID/Monitor Chip
DS2437S IC-SM-BATT MONITOR
DS2437 Smart Battery Monitor
DS2438 Smart Battery Monitor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2436 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:Battery ID/Monitor Chip
DS2436_07 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:Battery ID/Monitor Chip
DS2436B 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
DS2436B/R 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:Battery ID/Monitor Chip
DS2436B/T 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:Battery ID/Monitor Chip
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