DS2435

PRELIMINARY DS2435 Battery Identification Chip with Time/Temperature Histogram www.dalsemi.com FEATURES Provides unique ID number to battery packs Eliminates thermistors by sensing battery temperature on-chip Elapsed time counter provides indication of battery usage/storage time Time/temperature histogram function provides essential information for determining battery self-discharge 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 handheld instrumentation. PACKAGE OUTLINE PR-35 PACKAGE DALLAS DS2435 1 2 3 BOTTOM VIEW DQ NC NC NC NC NC NC GND GND VDD DQ 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VDD NC NC NC NC NC NC GND 1 2 3 DS2435S 16-Pin SSOP See Mech. Drawings Section See Mech. Drawings Section PIN DESCRIPTION GND DQ VDD NC - Ground - Data In/Out - Supply Voltage - No Connect DESCRIPTION The DS2435 Battery Identification Chip with Time/Temperature Histogram provides a convenient method of tagging and identifying battery packs by manufacturer, chemistry, or other identifying parameters. The DS2435 allows the battery pack to be coded with a unique identification number and also store information regarding the battery life and charge/discharge characteristics in its nonvolatile memory. The DS2435 performs the essential function of monitoring battery temperature without t...