bq2028 Overview
Key Specifications
Package: BGA
Mount Type: Surface Mount
Pins: 12
Operating Voltage: 4.5 V
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. The bq2028 communicates with the bq27505-E1 gauge over a single-wire HDQ interface with a minimal overhead protocol yet ensures error free data transfer.
Key Features
- Single Wire HDQ Communications Port
- Internal Die-Temperature Sensor – ±5°C Range = –40°C to 85°C – Raw AD to Temperature Conversion Performed by Host Firmware
- Package – 12-pin, 1490 × 2350 µm WCSP (YZG), 0.625mm Max Thickness, 0.5mm Pitch
