Hello,I have built a DC/DC synchronous boost converter, to do this i use two mosfet and to control this one, I use a TPS28225 driver.But the system don't work, the low side mosfet switch well but the high side don't work, we haven't signal on UGATE port.I don't understand the problem, if you have a solution for me i will be happy.thank you in advance
I think that both Q3 and D7 are inverted. Look carefully at the circuit application on the datasheet, one-phase POL regulator.
I don't understand what do you mean ?This is a syncronous boost topology and I use a mosfet transistor N channel thus I think the power components are in a good place.I have replace the mosfet by a diode and mosfet to improve the efficiency.
All content and materials on this site are provided "as is". TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right. TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with respect to these materials. No license, either express or implied, by estoppel or otherwise, is granted by TI. Use of the information on this site may require a license from a third party, or a license from TI.
TI is a global semiconductor design and manufacturing company. Innovate with 100,000+ analog ICs andembedded processors, along with software, tools and the industry’s largest sales/support staff.