TPS43333-Q1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS43333-Q1 SLVSB48C – AUGUST 2012 – REVISED JULY 2016 TPS43333-Q1 Low IQ, Single Boost, Dual Synchronous Buck Controller 1 Features 2 Applications 1 Qualified for Automotive Applications AEC-Q100 Test Guidance With the Following Results: – Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature – Device HBM ESD Classification Level H2 – Device CDM ESD Classification Level C2 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) 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 TPS43333-Q1 includes two current-mode synchronous buck controllers and a voltage-mode boost controller. T...