bq20z655 - Texas Instruments

bq20z655 SBS 1.1-COMPLIANT GAS GAUGE AND PROTECTION

The bq20z655 SBS-compliant gas gauge and protection IC, incorporating patented Impedance Track™ technology, is a single IC solution designed for battery-pack or in-system installation. The bq20z655 measures and maintains an accurate record of available charge in Li-Ion or Li-Polymer batteries using its integrated high-performance analog peripherals. The bq20.

Features

1
•2 Next Generation Patented Impedance Track™ Technology Accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries
  – Better Than 1% Error Over the Lifetime of the Battery
• Supports the Smart Battery Specification SBS V1.1
• Flexible Configuration for 2-Series to 4-Series Li-Ion and Li-Polymer Cells
• Powerful 8-Bit RISC CPU with Ultralow Power Modes
• Charge Enable (CE) Affects the Normal Operation on the Charge FET when the Battery Is in Charge/Relax Mode
• Full Array of Programmable Protection Features
  – Voltage, Current, and Temperature
• Satisfies JEITA Guidelines
• Added F.