DS2438Z+ - Maxim Integrated

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

DS2438Z+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW8155196
Category

Battery Management IC
Package

SOIC-8
Description

MAXIM INTEGRATED PRODUCTS DS2438Z+ IC, BATT MONITOR, EEPROM, 10V, SOIC-8
Documentation

Datasheet

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DS2438Z+ Specifications

Attribute	Attribute Value

Part Number	DS2438Z+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW8155196
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	10.0V (max)
Number of Positions	8 Position
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	2.4V ~ 10V
Supply Voltage (Max)	10 V
Supply Voltage (Min)	2.4 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

Product Description

The DS2438Z+ is a Smart Battery Monitor provides several functions that are desirable to carry in a battery pack of 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 non-volatile 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 of battery power, ground and the 1-Wire interface.
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 integrated current accumulator facilitates fuel gauging
Elapsed time meter in binary format
40-byte Non-volatile user memory available for storage of battery-specific data

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