bq24232

Product Folder Order Now Technical Documents Tools & Software Support & Community bq24230, bq24232 SLUS821J – OCTOBER 2008 – REVISED MAY 2017 bq2423x USB-Friendly Lithium-Ion Battery Charger And Power-Path Management IC 1 Features 1 Fully Compliant USB Charger – Selectable 100-mA and 500-mA Maximum Input Current – 100-mA Maximum Current Limit Ensures Compliance to USB-IF Standard – Input-based Dynamic Power Management (VIN- DPM) for Protection Against Poor USB Sources 28-V Input Rating With Overvoltage Protection Integrated Dynamic Power-Path Management (DPPM) Function Simultaneously and Independently Powers the System and Charges the Battery Supports up to 500-mA Charge Current With Current Monitoring Output (ISET) Programmable Input Current Limit up to 500 mA for Wall Adapters Programmable Termination Current (bq24232) Programmable Precharge and Fast-Charge Safety Timers Reverse Current, Short-Circuit, and Thermal Protection NTC Thermistor Input Proprietary Start-Up Sequence Limits Inrush Current Status Indication – Charging/Done, Power Good Small 3 mm × 3 mm 16-Lead QFN Package 2 Applications Bluetooth™ Devices Low-Power Handheld Devices 3 Description The bq2423x series of devices are highly integrated Li-ion linear chargers and system power-path management devices targeted at space-limited portable applications. The devices operate from either a USB port or ac adapter and support charge currents between 25 mA and 500 mA. The high-inputvolt...