bq34z653

Product Folder Order Now Technical Documents Tools & Software Support & Community bq34z653 SLUSB53A – JULY 2012 – REVISED JULY 2018 bq34z653 SBS 1.1-Compliant Gas Gauge and Protection Enabled with Impedance Track™ with External Battery Heater Control and LCD Display 1 Features 1 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 LiIon and Li-Polymer Cells Battery Temperature Heater Control Powerful 8-Bit RISC CPU with Ultralow Power Modes Full Array of Programmable Protection Features – Voltage, Current, and Temperature Satisfies JEITA Guidelines Added Flexibility to Handle More Complex Charging Profiles Lifetime Data Logging Drives 3-, 4-, and 5-Segment LCD Display for Battery-Pack Conditions Supports SHA-1 Authentication Complete Battery Protection and Gas Gauge Solution in One Package Available in a 44-Pin TSSOP (DBT) package 2 Applications Notebook PCs Medical and Test Equipment Portable Instrumentation 3 Description The bq34z653 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 bq34z653 measures and maintains an accurate record of available charge in Li-Ion or Li-Polymer batteries usin...