Wireless Charging solution Wiki
This Topic is used for Wireless Charging solution 1.Mcu C drive code: GitHub - STMicroelectronics/STWirelessCharging-C-Drivers: Standard C platform-independent drivers for wireless charging ICs
Power management
Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.
Forum Posts
L5988D problem
Posted on July 30, 2013 at 10:46I need a DC-DC converter from 12V to 3.3V and 4A. So I decided for swiching regulator L5988D.My circuit is the same as in https://www.dropbox.com/s/1fca0waylp8x795/switcher.png.My problem is, that switcher begins turn...
VIPer53 with a wrong protection mode
Posted on July 30, 2013 at 09:56I used VIPer53 in my product,I found that some of them entered into overheat （about 65℃） protection mode after running 70~180 mins at out power was 17W, and my design output power is 30W at Vin=220Vac. Change another ...
replacement for l4909
Posted on July 21, 2013 at 14:57I wanna ask ST for replacement for LDO with multiple outputs L4909I read that this product was obsolete and i wanna use one with the similar function So, can you provide me with the replacement for this part ?Thanks
IGBT gate Driver
Posted on July 19, 2013 at 06:33Hello...I want to chop the DC so that 585VDC into 400VDC. I dont know How to Connect the gate of IGBT w.r.t Emitter. Because Emitter here is not at zero or Grounded, Its floating. The ground of Microcontroller connect...
L6482H
Posted on June 19, 2013 at 16:54Hi,I'm using L6482H in my board. I changed original MOSFET (eval6482h) and now I use STP35NF10.My board work ok with default parameters.Im working in STEP_MODE with 1/8 microstep. Rsense = 0.1R / VS = 43VAt low revol...
Additional analog inputs while using FOC library
Posted on July 17, 2013 at 12:54Hi, I'm planing to use the FOC library (using v3.3) for a brushless motor. The library takes care itself for the input for current (dual insulated current sensor), voltage, temperature, but it takes all the two ADC of...
Control Voltage with Phase current control
Posted on July 17, 2013 at 23:38Hi Everybody, I use the integrated L6470 to control a stepper motor with the following characteristics: Step angle 1.8 � Holding Torque 0.06Nm Rated current 0.67 A Rod diameter 5mm Frame size 28 x 28mm Rod length 18...
LED2000 Quick help needed
Posted on July 16, 2013 at 20:02I have designed a LED Driver using LED2000 chip via eDesignSuite. i was wondering how do i work out Rd for the LED. i am using cree mkr led and the part number and specs are delivery. Part No: MKRAWT000D0HH20E Driving...
LD39300 does not shutdown properly (output floats)
Posted on July 16, 2013 at 13:10Hello all, I have an issue with one of the linear regulators, LD39300 (PPAK), that I am using to provide 3.7V. When the INH pin is set low (with a jumper wire to ground), the output floats at about 1V. On a previous...
Problem With L6563H and L6699A(AN3233)
Posted on July 15, 2013 at 17:11Dear all,Am getting the big problem with my design.In this design PFC Ckt is not starting up.Its taking only 8.5V even increasing the capacitor at Vcc pin.Please find the attached design and please tell me the cause f...
