bq27741-G1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq27741-G1 SLUSBF2C – JULY 2013 – REVISED AUGUST 2015 bq27741-G1 Single-Cell Li-Ion Battery Fuel Gauge with Integrated Protection 1 Features 1 Battery Fuel Gauge and Protector for 1-Series LiIon Applications Microcontroller Peripheral Provides: – Accurate Battery Fuel Gauging Supports up to 14,500 mAh – External and Internal Temperature Sensors for Battery Temperature Reporting – Precision 16-Bit High-Side Coulomb Counter with High-Side Low-Value Sense Resistor (5 mΩ to 20 mΩ) – Lifetime and Current Data Logging – 64 Bytes of Non-Volatile Scratch Pad Flash – SHA-1/HMAC Authentication Battery Fuel Gauging Based on Patented Impedance Track™ Technology – Models Battery Discharge Curve for Accurate Time-To-Empty Predictions – Automatically Adjusts for Aging, SelfDischarge, and Temperature- and RateInduced Effects on Battery Advanced Fuel Gauging Features – Internal Short Detection – Tab Disconnection Detection Safety and Protection: – Over- and Undervoltage Protection with LowPower Mode – Overcharging and Discharging Current Protection – Overtemperature Protection – Short-Circuit Protection – Low-Voltage Notification – Voltage Doubler to Support High-Side N-Channel FET Protection HDQ and I2C Interface Formats for Communication with Host System Small 15-Ball NanoFree™ (BGA) Packaging 2 Applications Smartphones PDAs Digital Still and Video Cameras Handheld Terminals MP3...