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 2. If your wlc chip i2c is ok but GUI can not connected...

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willzhou by ST Employee
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Why my STGIPS10C60-H has no output voltage

When using the chip GIPS30C60-H, sometimes the three-phase bridge switching signal is given but there is no output, regardless of whether the SD/OD pin is set high or not. This chip is used in a motor controller with a 0-270V DC bus supply and input ...

CSLx30 by Associate
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  • 1 replies
  • 1 kudos

STDES-2KW5CH48V

Hello,We are working on building 48V Lithium battery charger for AGV's. I would like to know if below Eval board from ST is available for purchase. STDES-2KW5CH48V2.5 kW - 48 V battery charger reference design for industrial light electric vehicles (...

Resolved! LM317 丝印

能具体说明第二三行,代表的是什么呢? 

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nygjp by Associate
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  • 1 replies
  • 1 kudos

VN7004SLH 4-layer board design example on datasheet

On p23 Fig 35 of https://www.st.com/resource/en/datasheet/vn7004slh.pdf, Are the big copper areas on the 4-layer PCB around the IC GND or VCC?  The figure seems to be GND, but how can GND help dissipate the heat from the ICs if the thermal vias are c...

jsmith by Associate II
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  • 2 replies
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Output current limit for RHFL6000A

Hi All, In this LDO the output current limit can be set by a Rshort resistor from pin 8 to V_in.Is there any formula for the calculation of such a resistor? On the Figure 19 in the datasheet there is a plot showing Short-circuit current vs RSHORT for...

ozf by Associate
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  • 1 replies
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power output is like AC in stpm34

I use stpm34. stpm34 reads voltage and current as rms. but stpm34 read active/reactive power like ac.I think stpm34 should read them like dc. is it right? I wanna dc value of active/reactive power.Could you help me? 

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Resolved! STBC15 wiring of open drain output pins

Hello, I see there are two open drain output pins on the STBC15: CHGINOK and PG. If I don’t need to read the CHGINOK and PG status, can they either be left floating or connected to ground, without needing to add an external pullup? Please confirm if ...

EC.3 by Associate III
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  • 1 replies
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What is the difference between the LM211 and LM311

The datasheet says that LM211D/DT has a temperature of -40 °C, +105 °C and output to negative supply voltage 50VLM311D/DT has a temperature of -0 °C, +70 °C and output to negative supply voltage 40VIs there any differences in performance or electrica...

jgananam by Associate
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  • 0 kudos