TPS43332-Q1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS43330-Q1, TPS43332-Q1 SLVSA82F – MARCH 2011 – REVISED DECEMBER 2014 TPS4333x-Q1 Low IQ, Single Boost, Dual Synchronous Buck Controller 1 Features 2 Applications 1 Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C4B Two Synchronous Buck Controllers One Pre-Boost Controller Input Range up to 40 V, (Transients up to 60 V), Operation Down to 2 V When Boost is Enabled Low-Power-Mode IQ: 30 µA (One Buck On), 35 µA (Two Bucks On) Low Shutdown Current Ish < 4 µA Buck Output Range 0.9 V to 11 V Boost Output Selectable: 7 V, 10 V, or 11 V Programmable Frequency and External Synchronization Range 150 kHz to 600 kHz Separate Enable Inputs (ENA, ENB) Frequency Spread Spectrum (TPS43332) Selectable Forced Continuous Mode or Automatic Low-Power Mode at Light Loads Sense Resistor or Inductor DCR Sensing Out-of-Phase Switching Between Buck Channels Peak Gate-Drive Current 1.5 A Thermally Enhanced 38-Pin HTSSOP (DAP) PowerPAD™ Package Automotive Start-Stop, Infotainment, Navigation Instrument Cluster Systems Industrial and Automotive Multi-Rail DC Power Distribution Systems and Electronic Control Units 3 Description The TPS43330-Q1 and TPS43332-Q1 devices (...