Datasheet Texas Instruments BQ2028YZGR — Ficha de datos

bq2028
www.ti.com SLUSB22B – OCTOBER 2012 – REVISED NOVEMBER 2012 4Kb EEPROM with Single-Wire HDQ Interface and Temperature Sensor
Check for Samples: bq2028 FEATURES DESCRIPTION The Texas Instruments bq2028 serial 4Kb nonvolatile
memory (EEPROM) with integrated temperature
sensor and LDO linear regulator provides pack-side
memory storage and temperature monitoring for a
single-cell system-side battery fuel gauge solution
such as the bq27505-E1. 1 Serial Non-Volatile Memory (NVM)
– 512 Byte (4Kb) EEPROM
– Provides Battery Pack NVM storage for
bq27505-E1 Fuel Gauge:
– Manufacturing Data
– Operational History
– Resistance Tables
– State of Health Information
Single Wire HDQ Communications Port
Integrated 2.5V LDO Linear Regulator
– Ultra-low power “shutdown” mode (1µA
Typical) via auto-timeout and/or host
command
– Wake up from shutdown via HDQ break
Internal Die-Temperature Sensor
– В±5В°C Range = –40В°C to 85В°C …