About NajeemSyed

NajeemSyed · 2024-11-11

Hello, I'm working with the STM32U575VGT6 as my primary MCU and need a USB-C DRP PD IC. I'm considering the TCPP03-M20 or STUSB1600AQTR. My question is, when the PD operates in sink mode (during charging), we intend to turn off all power supplies, in...

NajeemSyed · 2024-12-17

Thanks for the response. we have few queries:1. For USBPD based Batttery power applications, what should we connect on STM32U575 MCU PA9 pin (USB_OTG_FS_VBUS)2. When we are testing the same firmware with having EN pin pulled up, we are facing some is...

NajeemSyed · 2024-12-17

Hi, Thanks for your reply. I have following queries regarding schematics: 1. I have used 200K/40.2K for VBus ADC sense and connected this to STM ADC Pin. 2. I have also connected Pin IANA of TCPP03 (USBPD IADC) pin to STM ADC. 3. What should i conne...

NajeemSyed · 2024-12-15

Hi Pascal,Based on the DK, we have designed our own PD circuit for our custom board. Please cross-verify the schematics and let us know if we need any changes?

NajeemSyed · 2024-11-26

Hello,We followed the tutorial from the STM32 website (link provided below). However, after following the tutorial(custom board / other than G series necleo board) ,the module not works as a dual-role device. I have attached a battery to the source ...

NajeemSyed · 2024-11-13

Subject: Issue with USB Data Transfer and Battery Charging on STM32U575ZIHello,We are working on implementing a dual-role USB Power Delivery (USBPD) setup with an internal battery. The system is designed so that when an external charger is connected ...

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