TPS40425

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS40425 SLUSBO6C – JANUARY 2014 – REVISED OCTOBER 2018 TPS40425 Dual Output, 2-Phase, Stackable PMBus™ Synchronous Buck Driverless Controller with Adaptive Voltage Scaling (AVS) Bus 1 Features 1 Non-Smart Power Mode in Factory Default Pin-for-Pin Equivalent to TPS40428 – Smart Power Mode in Factory Default Single Supply Operation: 4.5 V to 20 V VOUT from 0.6 V Dual or Multi-Phase Synchronous Buck Controller Individual High-Speed AVS Interface (0.5-V to 1.5-V Range) Fast Transient Response Stackable up to Four Phases – 2-, 3-, or 4-Phase Interleaved Phase Shifts – Accurate Current Sharing PMBus™ Interface Capability – Margining Up or Down with 2-mV Step – Programmable Fault Limit and Response – ±0.8% VOUT – Accuracy Current Monitoring – ±4.5°C External Temperature Monitoring with x3904 – Programmable UVLO ON/OFF Thresholds – Programmable Soft-Start Time, Turn-On Delay, and Turn-Off Delay On-Chip Non-Volatile Memory (NVM) to Store Custom Configurations 0.6-V Reference Voltage with 0.5% Accuracy from –40°C to 125°C Inductor DCR Current Sensing Programmable ƒSW from 200 kHz to 1.5 MHz Supports Pre-biased Output Differential Remote Sensing Synchronization to an Extermal Clock OC/OV/UV/OT Fault Protection 40-Pin, 6 mm × 6 mm, QFN Package Support for TI Power Stage 2 Applications Wireless Infrastructure Switcher/Router Networking/Server/Storage 3 Descrip...