參數(shù)資料
型號: DS2435
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 存儲器
英文描述: Battery Identification Chip with Time/Temperature Histogram(帶時(shí)間/溫度直方圖的電池ID芯片)
中文描述: SPECIALTY MEMORY CIRCUIT, PBCY3
封裝: PR-35, 3 PIN
文件頁數(shù): 1/21頁
文件大?。?/td> 134K
代理商: DS2435
DS2435
Battery Identification Chip
with Time/Temperature Histogram
PRELIMINARY
DS2435
021798 1/21
FEATURES
Provides unique ID number to battery packs
Eliminates thermistors by sensing battery tempera-
ture on–chip
Elapsed time counter provides indication of battery
usage/storage time
Time/Temperature histogram function provides
essential information for determining battery self–dis-
charge
256–bit nonvolatile user memory available for storage
of user data such as gas gauge and manufacturing
information.
Operating range of –40
°
C to +85
°
C
Applications include portable computers, portable/
cellular phones, consumer electronics, and hand held
instrumentation.
PACKAGE OUTLINE
3
2
1
DS2435
PR–35 PACKAGE
G
D
V
DALLAS
BOTTOM VIEW
See Mech. Drawings
Section
PIN DESCRIPTION
GND
DQ
V
DD
– Ground
– Data In/Out
– Supply Voltage
DESCRIPTION
The DS2435 Battery Identification Chip provides a con-
venient method of tagging and identifying battery packs
by manufacturer, chemistry, or other identifying param-
eters. The DS2435 allows the battery pack to be coded
with a unique identification number, and also store
information regarding the battery life and charge/dis-
charge characteristics in its nonvolatile memory.
The DS2435 also performs the essential function of
monitoring battery temperature, without the need for a
thermistor in the battery pack. A time/temperature his-
togram function stores the amount of time that the bat-
tery has been in up to eight temperature bands, allowing
more accurate self–discharge calculations to be carried
out by the user for determining remaining battery capac-
ity. In addition, the on–board elapsed time counter pro-
vides a method of determining the amount of time that a
battery pack has been in storage, to allow more accu-
rate self–discharge determination.
Information is sent to/from the DS2435 over a 1–wire
TM
interface, so that battery packs need only have three
output connectors; power, ground, and the 1–wire inter-
face.
相關(guān)PDF資料
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