DS2436Z Dallas Semiconductor, DS2436Z Datasheet

DS2436Z

Manufacturer Part Number

DS2436Z

Description

SOP-8

Manufacturer

Dallas Semiconductor

Datasheets

1.DS2436Z.pdf (29 pages)

2.DS2436Z.pdf (29 pages)

Specifications of DS2436Z

Date_code

07+

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FEATURES

§ Unique 1-Wire™ interface requires only one

§ Provides unique 64-bit identification number

§ On-board A/D converter monitors battery

§ Eliminates thermistors by sensing battery

§ 256-bit nonvolatile user memory available

§ 2-byte cycle counter

§ Operating range of -40°C to +85°C

§ Applications include portable computers,

DESCRIPTION

The DS2436 Battery Identification/Monitor Chip provides a convenient method of tagging and

identifying battery packs, by manufacturer, chemistry, or other identifying parameters. The DS2436

allows the battery pack to be coded with a unique 64-Bit ROM ID and a 16-Bit Manufacturer ID, and also

store information regarding the battery life and charge/ discharge characteristics in its nonvolatile

memory.

The DS2436 also performs the essential function of monitoring battery temperature, without the need for

a thermistor in the battery pack.

A cycle counter assists to determine the remaining cycle life of the battery.

Finally, the DS2436 measures battery voltage and sends that measured value to a host CPU for use in

end-of-charge or end-of-discharge determination or basic fuel gauge operation.

Information is sent to/from the DS2436 over a 1-Wire interface, so that battery packs need only have

three output connectors: power, ground, and the 1-Wire interface.

www.dalsemi.com

port pin for communication

to battery packs

voltage for end-of-charge and end-of-

discharge determination

temperature on-chip

for storage of data such as fuel gauge and

manufacturing information

portable/ cellular phones, consumer

electronics, and handheld instrumentation

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TO-92 PACKAGE

PACKAGE OUTLINE

PIN DESCRIPTION

GND

DS2436B

DALLAS

DS2436

Battery ID/Monitor Chip

- Ground

- Data In/Out

- Supply/Battery Connection

GND

150-mil, 8-Pin SOIC

DS2436Z

BOTTOM

2 3

DS2436

PRELIMINARY

092199

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