Power management

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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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STW3N170

I need to the FIT (failure in time) value for this part, 90% confidence level at 70 degree celsius. 

MNepu.1 by Associate
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Resolved! Switching frequency

HI Sir,the switching frequency below input 24V 0.04A output 12Vis that normal. the switching frequency below, input 24V 0.01A output 12Vthe switching frequency below input 24V 0.33A output 12V the circuit see below:  

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PZha.1 by Associate III
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PowerStep01 current control loop tuning

Currently we use a PowerStep01 in StepClock configuration  the current controller (CM_VM Bit set). Number of Microsteps is set to 2. Hold current (TVAL_HOLD) is set to 3 Ampere based on a 0.1 Ohm shunt resistor. All other registers are left on their ...

pf8645 by Associate II
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Resolved! LED7708 Random LED switch off issue with driver

Our requirement was to create a LED driver circuit to power 12 strings of 7 LEDs from a 12V DC supply with a nominal current of 20mA per string.Using the STEVAL-ILL035V1 Development board data for PCB layout guidance and the LED7708 design tool sprea...

Resolved! Looking for an L9963E C STM32 Library

Hi everyone,I'm currently working on a project where I need to interface an STM32 with the L9963E BMS IC from ST. Before developing my own driver, I wanted to check if anyone has already written a C library for this IC and would be willing to share i...

BMS63EN connection problem

BMS63EN connection problemI connected AEK-COM-ISOSPI1 and BMS63EN through PinMap provided by SPC5.However, I found two problems.1. When the input voltage is 56V, when I measured the voltage of Cell0, the voltage was measured as 10V~12V, and the volta...

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Romane by Associate
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