Power management

Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.

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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    

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willzhou by ST Employee
  • 8672 Views
  • 19 replies
  • 18 kudos

Error in code building

Posted on December 14, 2014 at 11:57hye every body. i m trying to use stm foc firmware 4.0 library. when i tried to build user project example error occured ''Path '.\STM32303C-EVAL\' does not exist !'' can any body help me in order to solve that is...

'overlocking' L6470 / L6472

Posted on April 22, 2014 at 14:31Hi, We have an application with a small steppermotor with only a small load. the current and voltage we use is way too high for the motor for longer periods of time, we only use it in short bursts. The problem is tha...

r2399 by Associate
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  • 3 replies
  • 2 kudos

L6470 Daisy Chain (AN3991)

Posted on February 28, 2015 at 13:36Hi There!There's something that I could not understand in the Daisy Chain configuration of the L6470 Stepper Motor Driver. Apart from the SPI Signals and the mechanism of driving each device individually or all si...

Zaher by Senior II
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  • 0 replies
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Supply Voltage L6229Q

Posted on February 22, 2015 at 23:56Hi,I am using the BLDC driver -L6229Q. I can see that the recommended operating conditions for the supply voltage is between 8 to 52 V.What are the effects of supplying a lower voltage 6V? or 7V? After testing it ...

VIPER17 Startup problem

Posted on February 20, 2015 at 01:33 We are using VIPER17 in our products as a standby power supply for a couple of years in mass production. Recently we faced a problem that if the mains is off and on again this power supply can not start-up. Mains...

lev by Associate
  • 418 Views
  • 0 replies
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IC for Traffic Light Led Driver

Posted on February 17, 2015 at 12:55Hi All!!            We are a company based inThessaloniki Greece, which focuses its activities in the sector of trafficcontrol. Our R&D department is in the design process of a power supplydevice that will be used...

sr by Associate
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  • 1 replies
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About 440VAC to DC converter

Posted on February 15, 2015 at 04:41Hi, I got some information about VIPer06 from google search, it can be applied for 440 VAC input, but the drain current is only 350mA, my requirement is greater than 2A, in ST web site, if I choose VIPer100A-E,   ...

vcchen by Associate
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A error about STM32F0xx_StdPeriph_Lib_V1.4.0 of TIM_6Steps???

Posted on February 14, 2015 at 10:48hello every body,    I,recently,would like to implement 6 steps output with STM32F0xx_StdPeriph_Lib_V1.4.0/Projects/STM32F0xx_StdPeriph_Examples/TIM/TIM_6Steps, but the output waveforms corresponding to above soue...

Driving Peltier with VNH5019A-E

Posted on January 13, 2015 at 20:37I am having trouble driving a peltier device with the VNH5019. The channel config. in the scope pictures is as follows:1. Vin to H-bridge2. PWM logic in3. A leg out4. B leg outGoodDrive.bmp shows what's supposed to...