bq2028 Datasheet (PDF) Download
Texas Instruments
bq2028

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.

Key Features

  • Single Wire HDQ munications Port
  • Integrated 2.5V LDO Linear Regulator
  • Ultra-low power “shutdown” mode (1µA Typical) via auto-timeout and/or host mand
  • Wake up from shutdown via HDQ break
  • Internal Die-Temperature Sensor
  • ±5°C Range = -40°C to 85°C - Raw AD to Temperature Conversion Performed by Host Firmware
  • 12-pin, 1490 × 2350 µm WCSP (YZG), 0.625mm Max Thickness, 0.5mm Pitch