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DS2438Z+ Integrated Circuit Chip Smart Battery Monitor linear integrated circuits

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DS2438Z+ Integrated Circuit Chip Smart Battery Monitor linear integrated circuits

Brand Name DALLAS
Model Number DS2438Z+
Certification Original Factory Pack
Place of Origin Original
Minimum Order Quantity 5pcs
Price Negotiation
Payment Terms T/T, Western Union,PayPal
Supply Ability 290PCS
Delivery Time 1 Day
Packaging Details please contact me for details
Description Battery Battery Monitor IC Smart Batteries 8-SOIC
VIH 2.0 V
VIL -0.3~ 0.5 V
IDD1 25 µA
IDD 50 ~100 µA
RI DQ 500 kΩ
Detailed Product Description

DS2438Z+ Smart Battery Monitor linear integrated circuits

 
FEATURES
►Unique 1-Wire® interface requires only one port pin for communication
►Provides unique 64-bit serial number to battery packs
►Eliminates thermistors by sensing battery temperature on-chip On-board A/D converter allows monitoring of battery voltage for end-of-charge and endof-discharge determination
►On-board integrated current accumulator facilitates fuel gauging Elapsed time meter in binary format 40-byte nonvolatile user memory available for storage of battery-specific data
►Operating range -40ºC to +85ºC
►Applications include portable computers, portable/cellular phones, consumer electronics, and handheld instrumentation
 
DESCRIPTION The DS2438 Smart Battery Monitor provides several functions that are desirable to carry in a battery pack: a means of tagging a battery pack with a unique serial number, a direct-to-digital temperature sensor which eliminates the need for thermistors in the battery pack, an A/D converter which measures the battery voltage and current, an integrated current accumulator which keeps a running total of all current going into and out of the battery, an elapsed time meter, and 40 bytes of nonvolatile EEPROM memory for storage of important parameters such as battery chemistry, battery capacity, charging methodology and assembly date. Information is sent to/from the DS2438 over a 1-Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor to a DS2438. This means that battery packs need only have three output connectors: battery power, ground, and the 1-Wire interface.
 
 
 
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