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RoadTest Forum Would You Be Interested in Roadtesting a Current Mode Control DC/DC converter with Fast Transient Response?
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Forum Thread Details
  • Replies 13 replies
  • Subscribers 2559 subscribers
  • Views 2584 views
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  • roadtest survey
  • rohm
  • BD9G500EFJ-EVK-001
Related

Would You Be Interested in Roadtesting a Current Mode Control DC/DC converter with Fast Transient Response?

rscasny
rscasny over 2 years ago

imageI will be roadtesting this product in September. I'd like to get your feeedback, thoughts and interest in this product.

Here are a few facts about the product:

The BD9G500EFJ-EVK-001 uses BD9G500EFJ-LA to output 5V from a 48V input voltage. The input voltage of the BD9G500EFJ-LA is from 7V to 76V and the output voltage is configurable from 1V to 0.97 x VIN V with external resistors. The operating frequency is configurable between 100 kHz and 650 kHz with an external resistor connected to RT pin. This is a current mode control DC/DC converter that provides fast transient response performance and simple phase compensation setup.

Here are a few features of the DC/DC Converter:

  • Wide Input Voltage Range
  • Integrated High-Side MOSFET
  • Current Mode Control
  • Adjustable Frequency
  • Soft Start Function
  • Over Current Protection (OCP)
  • Under Voltage Lockout (UVLO)
  • Thermal Shutdown Protection (TSD)
  • Over Voltage Protection (OVP)
  • HTSOP-J8 package

Here are some documents from the manufacturer:

Datasheet: 

User Guide: 

Manufacturer's Page: 

For More Information

Roadtester Polls


I am considering adding an adjustable DC Power Supply to the kit, Bench Power Supply




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  • shabaz
    shabaz over 2 years ago in reply to anniel747 +3
    I think there may be some misunderstanding, the 76 VDC is the max input voltage, but a RoadTest is not the same as a test of the specification of the device. A RoadTest is a product review (i.e. it is…
  • shabaz
    shabaz over 2 years ago +2
    The Rohm simulation tool is quite nice.. it looks like a normal Spice simulator embedded in a browser, with the circuit and probes all set up. There are "spare" probes at the bottom-right : ) As many of…
  • anniel747
    anniel747 over 2 years ago +1
    Deleted
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  • dang74
    dang74 over 2 years ago

    I was thinking of using a switching regualtor to serve as a poor man's substitute for a bench top power supply.  The wide operating range of this product in terms of both input and output voltages sounds pretty promising.

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  • dang74
    dang74 over 2 years ago

    I was thinking of using a switching regualtor to serve as a poor man's substitute for a bench top power supply.  The wide operating range of this product in terms of both input and output voltages sounds pretty promising.

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  • Jan Cumps
    Jan Cumps over 2 years ago in reply to dang74

    That would be a good attack vector for this road test. The switch mode kits are always a good hook to improve your electronics skills, while reviewing the design.

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  • anniel747
    anniel747 over 2 years ago in reply to dang74
    This reply was deleted.
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  • Jan Cumps
    Jan Cumps over 2 years ago in reply to anniel747

    It's a power electronics design. Also goes to several amps. May get hot. It's part of the trade.

    image

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  • anniel747
    anniel747 over 2 years ago in reply to Jan Cumps
    This reply was deleted.
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  • Jan Cumps
    Jan Cumps over 2 years ago in reply to anniel747

    which one?

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  • shabaz
    shabaz over 2 years ago in reply to anniel747

    I think there may be some misunderstanding, the 76 VDC is the max input voltage, but a RoadTest is not the same as a test of the specification of the device.

    A RoadTest is a product review (i.e. it is up to the reviewer to decide if a test of parameters to the limits of the specification are something they want in their review or not).

    In reality it is likely near impossible to test everything to the spec (e.g. it may require operation at extreme temperatures and so on) without the actual manufacturer's resources and testbeds.

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