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
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  • 19 replies
  • 18 kudos

52W LED Driver

Posted on February 12, 2013 at 12:13Dear All,I would like to design a 52W LED Driver (140-270 VAC) with output 36V, 1.5A and with efficiency > 90%. Please suggest and help me.Thanks in advanceKarthick #led

L6470 int_speed limitation - not compatible with my motor

Posted on April 24, 2013 at 15:21Hi,I'm exploring the EVAL6470H with my stepper motor.according to the motor electrical parameters, the INT_SPEED should be around 2000 steps/s. The problem is that the L6470 has a maximal limitation of 976 steps/s fo...

ran by Associate II
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  • 9 replies
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L6360 IO-Link interface microcontroller

Posted on September 12, 2013 at 14:43Hello,I don't know if this was the subforum for this chip, but here's my problem:In the datasheet of the L6360 you show that the microcontroller and the L6360 are connected through UART (USART).But how do you con...

Driving Peltier element through L298N

Posted on September 10, 2013 at 11:27Hi,I want to drive peltier element to control temperature of one module. Peltier specifications are:Imax = 9A and Vmax = 3.75V.Such 4 peltiers are connected in series to control to module temperature.I am plannin...

sachink by Associate
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  • 1 replies
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Driving Peltier element through L298

Posted on September 10, 2013 at 11:25Hi,I want to drive peltier element to control temperature of one module. Peltier specifications are:Imax = 9A and Vmax = 3.75V.Such 4 peltiers are connected in series to control to module temperature.I am plannin...

sachink by Associate
  • 467 Views
  • 0 replies
  • 0 kudos

LD39100 Load Capacitance

Posted on September 09, 2013 at 19:00What is the maximum load capacitance of an LD39100. We have a light load of 40mA with a very heavy load capacitance of 600uF. Is there a risk of triggering a false over-current detection on power-up?

kevin2 by Associate
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TOFF_FAST FAST_STEP

Posted on August 27, 2013 at 17:42In Doc ID 022729 Rev 2 on page 45 table 14 is given in steps of 2µs. The headline, however, talks about steps of 0.5µs. Which one is correct?

hof by Associate II
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  • 1 replies
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L6207 - Cboost connetion

Posted on August 27, 2013 at 02:52 According to the datasheet, Cboost(220nF/100V) is connected between VBOOST pin and VS pin. But according to the EVKIT schematic, Cboost is connected between VBOOST pin and GND. Which connection is more recommended...

k-takagi by Associate
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  • 1 replies
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PMSM FW v3.2 with tacho output

Posted on August 22, 2013 at 11:10Hi I am a PMSM FOC v3.2 user. How can i output tacho pulse which its frequency is propotional with rotor speed. MCU is STM32F103CB in senserless Cordic.  Thanks in advance.  

supakit by Associate II
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  • 2 replies
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STEVAL-IFN003V1

Posted on August 24, 2013 at 20:33Hi,I am trying to get sensorless FOC working on a 14 pole surface mounted outrunner motor. It has a Rs of 0.35 Ohm and Ls of 1.0 mH.I installed Motor Library v3.0 and applied the IFN003V1 patch. I set all of the boa...

joe2 by Associate II
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  • 3 replies
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