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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  • 23 replies
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L6470 vs L6472

Posted on October 02, 2013 at 17:40Hello I understand: 6470 uses voltage mode drive/bemf compensation  6472 uses current mode drive/adaptive decay comp compensation If my uStep requirements are 1/16. What other parameters should I consider for my de...

ppostig by Associate
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[Question] BLDC motor torque and speed control with L6235 / L6229

Posted on October 20, 2013 at 01:31Hello I would like to ask to the experts a question regarding BLDC motor control. I am currently trying to develop a Brushless motor controller that allows me to control the torque and speed of the motor. The motor...

n2 by Associate
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L4891A

Posted on October 13, 2013 at 13:34Hello, I am not sure if this is the right forum to post in. My question is about the L4891 PFC controller, Is there any calculator for extracting the inductor value, and all other values? Its going to be a very com...

info23 by Associate
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l297 and l298 safety parameters

Posted on October 12, 2013 at 12:38Hello,I design the automation system with using l297 and l298 chips. Where can I find safety parameters of this chips (MTBF, MTTF, SIL or FIT) ?Thank for answers. #l297 #sil #mttf #mtbf #l298

ivan-rus by Associate
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L6205 , PWM

Posted on April 18, 2013 at 16:45HI , 1.can any one tell me how to PWM DC motor using L6205  ,via EN pin or    INX pin  ? 2.how can i make the motor coasting (in PWM OFF)  ? for the Table in the Datasheet  when EN=1,     if IN1=0,IN2=1 => OUT1=GND...

eyals111 by Associate II
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L6470, move and speed change

Posted on October 08, 2013 at 11:09Hi. Using L6470 I need to move to absolute position with the possibility to change speed during motion. I need the Soft Stop (or something similar) when reaching the target. Speed change during motion is possible ...

a239955 by Associate
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L6480: High side MOSFET of both h bridges not turning ON

Posted on October 01, 2013 at 05:34Hello, I am using L6480 stepper motor driver. I have connected my board with SPIN software. If I run the motor status is shown as motor is operated. But in this case High side MOSFET's (HVGA1 & HVGB1) does not turn...

pinak by Associate
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  • 1 replies
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Eval6470H R1.1 && (Arduino || Steval-PCC09V2)

Posted on October 04, 2013 at 15:16Hi. I played with the eval board+steval to set my step motor parameters. It works flawlessly. Now I'm writing Arduino code to get the same control. Motor parameters have been copied by the Register Map. SPI routine...

a239955 by Associate
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  • 1 replies
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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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