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volt.tech Latest Questions

vikas Nagpal
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vikas Nagpal
Asked: July 4, 2023In: Power Management

What is specification of STSPIN32F0 or STSTPIN32F4?

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Hello Volt.Tech experts, Can STSPIN32F0 or STSTPIN32F4 to drive the SiC/ GaN mosfet by the specification of Rdson = 73mOhm, 650V and 26A? Thank You Vikas Nagpal

Hello Volt.Tech experts,

Can STSPIN32F0 or STSTPIN32F4 to drive the SiC/ GaN mosfet by the specification of Rdson = 73mOhm, 650V and 26A?

Thank You

Vikas Nagpal

Read less
driveganmosfetrdsonsicstspin32f0ststpin32f4
  1. Alex thomas
    Added an answer on July 5, 2023 at 10:26 am

    Hello @Vikas, The GaN FETs need specific gate drivers (e.g. STDRIVEG600). The STSPIN32G4 is suitable to manage motor supply voltage from 5.5 V to 75V. In the STSPIN32F0 family the part number STSPIN32F060x could be used. The driver has 20 V of maximum operating voltage and it isn't suitable to driveRead more

    Hello vikas Nagpal,

    The GaN FETs need specific gate drivers (e.g. STDRIVEG600).

    The STSPIN32G4 is suitable to manage motor supply voltage from 5.5 V to 75V.

    In the STSPIN32F0 family the part number STSPIN32F060x could be used.

    The driver has 20 V of maximum operating voltage and it isn’t suitable to drive negative voltage.

    However, you can apply them, If these characteristics are compatible with your SiCs.

    Thank You

    Alex Thomas

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  • 1 Answer
Answer
ashishgawade
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ashishgawade
Asked: September 19, 2022In: LEDs & Optoelectronics

L6920 DC – DC Converter

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We’re using the L6920 to drive a 1-watt LED. We’re trying to apply the under voltage cut-off ( lockout) too. We chose the values of the voltage ground connected to the LBI pin similar that the value that comes to say ...Read more

We’re using the L6920 to drive a 1-watt LED.

We’re trying to apply the under voltage cut-off ( lockout) too. We chose the values of the voltage ground connected to the LBI pin similar that the value that comes to say 3V. Still, the IC didn’t shut off at 3V.
We also tried connecting the LBO to Vout with a 200K resistor in between. Even this didn’t work.

Can someone help apply this circuit?
Thanks!

Read less
circuitdriveICl6920ledsoptoelectronics
  1. Best Answer
    Alex thomas
    Added an answer on September 26, 2022 at 11:05 am

    Hi Ashish, However, you would notice that LBI input is connected to LBO output and that's the only purpose of this input, If you look into the block diagram of L6920 in its datasheet. LBI input doesn't shut down the output! Still, you need to use LBO output to shut down accordingly, If you require tRead more

    Hi Ashish,

    However, you would notice that LBI input is connected to LBO output and that’s the only purpose of this input, If you look into the block diagram of L6920 in its datasheet. LBI input doesn’t shut down the output!
    Still, you need to use LBO output to shut down accordingly, If you require to shut down the output.

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  • 1 Answer
Answer
techfreak
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techfreak
Asked: July 14, 2022In: Power Management

Renesas DA9062 – Drive current Requirement

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What is the drive current requirement of the pin nRESET(Control signal) in the PMIC?

What is the drive current requirement of the pin nRESET(Control signal) in the PMIC?

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da9062drivemcunresetpower managementrenesasRenesas Microcontroller
  1. vikas Nagpal
    Added an answer on July 15, 2022 at 10:57 am

    The current is specified in the test conditions, the Voh and Vol is specified for a load of 1mA(for push-pull). The nRESET can be treated as the GPIO characteristics. 

    The current is specified in the test conditions, the Voh and Vol is specified for a load of 1mA(for push-pull).

    The nRESET can be treated as the GPIO characteristics. 

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  • 1 Answer
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