NCV8876 - Automotive Start-Stop Boost Controller https://explore.partquest.com/node/65436 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/65436"></iframe> Title Description <p>This example shows the performance of an ON Semiconductor NCV8876 Automotive Grade Start-Stop Boost Controller:</p><p>http://www.onsemi.com/pub_link/Collateral/NCV8876-D.PDF</p><p>For vehicles with Start-Stop capability, the engine (ICE) is turned off during idle periods, for the purpose of fuel economy. But low-voltage nuisance drop-out of key electronic functions must be avoided during engine re-start. The NCV8876 is designed specifically for this purpose. It uses current-mode control, with many integrated functions to reduce the complexity of the external boost circuit.</p><p>Simulation results show the output to the load during battery drop-out and recovery. Note that in this application, the output voltage (dark blue waveform) is maintained above 6.4V during the drop-out transient, and regulates at 6.8V during sustained low voltage (4V) battery operation (orange waveform).</p><p>This circuit also demonstrates the value of soft-saturation inductor components from Coilcraft:</p><p>http://www.coilcraft.com/pdfs/Doc1140_Beyond_the_data_sheet_Part1.pdf</p><p>The load current for the XAL4030-332 inductor in this application is 4A during nominal 12V operation. But during boost operation, the current reaches 6.6A peak (light blue waveform). This could saturate a typical inductor if it were sized for the nominal load, resulting in a collapse of the effective inductance. But notice that the actual instantaneous inductance (green waveform) only drops to 2.2uH, for this nominal 3.3uH part. This relatively small percentage drop in inductance can easily be accommodated by the converter design.</p> About text formats Tags Start-StopboostSoft SaturationNCV8876 Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
AC-DC Power Adapter With Current Boost Regulator Designer10 × Member for 11 years 4 months 624 designs 10 groups Big fan of VHDL-AMS https://explore.partquest.com/node/9746 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/9746"></iframe> Title Description <p>This 5V regulator circuit provides 5A load current capability, well above the current limit of the linear regular component itself. This is thanks to the load sharing role of the bypass PNP transistor. </p><p>The circuit is shown with a household 120 V. AC input, with a transformer and rectifier circuit, attempting to approximate a 12V automotive input voltage level. The design is based on an example application circuit shown in Figure 11 of the On Semiconductor Datasheet MC7800/D, November 2014 - Rev. 27. This executable design can be used to assess line and load transients, efficiency, PSRR vs. Frequency, etc. It can also be used for selecting the peripheral circuit components to achieve the desired performance.</p><p>See also http://www.systemvision.com/design/ac-dc-power-adapter for a lower power level circuit.</p> About text formats Tags 5V Regulator, 5AMC7805Bboost Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
Copy of TIBC - on Sun, 01/26/2025 - 09:49 Designer260911 × Member for 2 months 18 designs 1 groups Welcome to the community!! https://explore.partquest.com/node/687985 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/687985"></iframe> Title Description About text formats Tags Tapped Inductor Boost ConverterboostStep-up Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
Rectifier test Designer248179 × Member for 1 year 7 months 13 designs 1 groups Welcome to the community!! https://explore.partquest.com/node/680307 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/680307"></iframe> Title Description <p>This 5V regulator circuit provides 5A load current capability, well above the current limit of the linear regular component itself. This is thanks to the load sharing role of the bypass PNP transistor.</p> <p>The circuit is shown with a household 120 V. AC input, with a transformer and rectifier circuit, attempting to approximate a 12V automotive input voltage level. The design is based on an example application circuit shown in Figure 11 of the On Semiconductor Datasheet MC7800/D, November 2014 - Rev. 27. This executable design can be used to assess line and load transients, efficiency, PSRR vs. Frequency, etc. It can also be used for selecting the peripheral circuit components to achieve the desired performance.</p> <p>See also http://www.systemvision.com/design/ac-dc-power-adapter for a lower power level circuit.</p> About text formats Tags 5V Regulator, 5AMC7805Bboost Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
AC-DC Power Adapter With Current Boost Regulator - on Thu, 09/26/2024 - 17:01 Designer258679 × Member for 6 months 8 designs 2 groups Welcome to the community!! https://explore.partquest.com/node/672559 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/672559"></iframe> Title Description <p>This 5V regulator circuit provides 5A load current capability, well above the current limit of the linear regular component itself. This is thanks to the load sharing role of the bypass PNP transistor.</p> <p>The circuit is shown with a household 120 V. AC input, with a transformer and rectifier circuit, attempting to approximate a 12V automotive input voltage level. The design is based on an example application circuit shown in Figure 11 of the On Semiconductor Datasheet MC7800/D, November 2014 - Rev. 27. This executable design can be used to assess line and load transients, efficiency, PSRR vs. Frequency, etc. It can also be used for selecting the peripheral circuit components to achieve the desired performance.</p> <p>See also http://www.systemvision.com/design/ac-dc-power-adapter for a lower power level circuit.</p> About text formats Tags 5V Regulator, 5AMC7805Bboost Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
Copy of NCV8876 - Automotive Start-Stop Boost Controller - on Tue, 06/25/2024 - 12:47 Designer257111 × Member for 9 months 1 designs 1 groups Welcome to the community!! https://explore.partquest.com/node/660987 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/660987"></iframe> Title Description <p>This example shows the performance of an ON Semiconductor NCV8876 Automotive Grade Start-Stop Boost Controller:</p> <p>http://www.onsemi.com/pub_link/Collateral/NCV8876-D.PDF</p> <p>For vehicles with Start-Stop capability, the engine (ICE) is turned off during idle periods, for the purpose of fuel economy. But low-voltage nuisance drop-out of key electronic functions must be avoided during engine re-start. The NCV8876 is designed specifically for this purpose. It uses current-mode control, with many integrated functions to reduce the complexity of the external boost circuit.</p> <p>Simulation results show the output to the load during battery drop-out and recovery. Note that in this application, the output voltage (dark blue waveform) is maintained above 6.4V during the drop-out transient, and regulates at 6.8V during sustained low voltage (4V) battery operation (orange waveform).</p> <p>This circuit also demonstrates the value of soft-saturation inductor components from Coilcraft:</p> <p>http://www.coilcraft.com/pdfs/Doc1140_Beyond_the_data_sheet_Part1.pdf</p> <p>The load current for the XAL4030-332 inductor in this application is 4A during nominal 12V operation. But during boost operation, the current reaches 6.6A peak (light blue waveform). This could saturate a typical inductor if it were sized for the nominal load, resulting in a collapse of the effective inductance. But notice that the actual instantaneous inductance (green waveform) only drops to 2.2uH, for this nominal 3.3uH part. This relatively small percentage drop in inductance can easily be accommodated by the converter design.</p> About text formats Tags Start-StopboostSoft SaturationNCV8876 Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
Copy of NCV8876 - Automotive Start-Stop Boost Controller - on Tue, 06/25/2024 - 12:47 Designer257111 × Member for 9 months 1 designs 1 groups Welcome to the community!! https://explore.partquest.com/node/660987 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/660987"></iframe> Title Description <p>This example shows the performance of an ON Semiconductor NCV8876 Automotive Grade Start-Stop Boost Controller:</p> <p>http://www.onsemi.com/pub_link/Collateral/NCV8876-D.PDF</p> <p>For vehicles with Start-Stop capability, the engine (ICE) is turned off during idle periods, for the purpose of fuel economy. But low-voltage nuisance drop-out of key electronic functions must be avoided during engine re-start. The NCV8876 is designed specifically for this purpose. It uses current-mode control, with many integrated functions to reduce the complexity of the external boost circuit.</p> <p>Simulation results show the output to the load during battery drop-out and recovery. Note that in this application, the output voltage (dark blue waveform) is maintained above 6.4V during the drop-out transient, and regulates at 6.8V during sustained low voltage (4V) battery operation (orange waveform).</p> <p>This circuit also demonstrates the value of soft-saturation inductor components from Coilcraft:</p> <p>http://www.coilcraft.com/pdfs/Doc1140_Beyond_the_data_sheet_Part1.pdf</p> <p>The load current for the XAL4030-332 inductor in this application is 4A during nominal 12V operation. But during boost operation, the current reaches 6.6A peak (light blue waveform). This could saturate a typical inductor if it were sized for the nominal load, resulting in a collapse of the effective inductance. But notice that the actual instantaneous inductance (green waveform) only drops to 2.2uH, for this nominal 3.3uH part. This relatively small percentage drop in inductance can easily be accommodated by the converter design.</p> About text formats Tags Start-StopboostSoft SaturationNCV8876 Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
Copy of AC-DC Power Adapter With Current Boost Regulator - on Tue, 04/23/2024 - 12:44 Designer246867 × Member for 1 year 10 months 4 designs 1 groups I'm a member of the PartQuest Explore community. https://explore.partquest.com/node/648276 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/648276"></iframe> Title Description <p>This 5V regulator circuit provides 5A load current capability, well above the current limit of the linear regular component itself. This is thanks to the load sharing role of the bypass PNP transistor.</p> <p>The circuit is shown with a household 120 V. AC input, with a transformer and rectifier circuit, attempting to approximate a 12V automotive input voltage level. The design is based on an example application circuit shown in Figure 11 of the On Semiconductor Datasheet MC7800/D, November 2014 - Rev. 27. This executable design can be used to assess line and load transients, efficiency, PSRR vs. Frequency, etc. It can also be used for selecting the peripheral circuit components to achieve the desired performance.</p> <p>See also http://www.systemvision.com/design/ac-dc-power-adapter for a lower power level circuit.</p> About text formats Tags 5V Regulator, 5AMC7805Bboost Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
Copy of NCV8876 - Automotive Start-Stop Boost Controller - on Tue, 11/28/2023 - 15:28 Designer249891 × Member for 1 year 6 months 29 designs 1 groups Welcome to the community!! https://explore.partquest.com/node/622790 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/622790"></iframe> Title Description <p>This example shows the performance of an ON Semiconductor NCV8876 Automotive Grade Start-Stop Boost Controller:</p> <p>http://www.onsemi.com/pub_link/Collateral/NCV8876-D.PDF</p> <p>For vehicles with Start-Stop capability, the engine (ICE) is turned off during idle periods, for the purpose of fuel economy. But low-voltage nuisance drop-out of key electronic functions must be avoided during engine re-start. The NCV8876 is designed specifically for this purpose. It uses current-mode control, with many integrated functions to reduce the complexity of the external boost circuit.</p> <p>Simulation results show the output to the load during battery drop-out and recovery. Note that in this application, the output voltage (dark blue waveform) is maintained above 6.4V during the drop-out transient, and regulates at 6.8V during sustained low voltage (4V) battery operation (orange waveform).</p> <p>This circuit also demonstrates the value of soft-saturation inductor components from Coilcraft:</p> <p>http://www.coilcraft.com/pdfs/Doc1140_Beyond_the_data_sheet_Part1.pdf</p> <p>The load current for the XAL4030-332 inductor in this application is 4A during nominal 12V operation. But during boost operation, the current reaches 6.6A peak (light blue waveform). This could saturate a typical inductor if it were sized for the nominal load, resulting in a collapse of the effective inductance. But notice that the actual instantaneous inductance (green waveform) only drops to 2.2uH, for this nominal 3.3uH part. This relatively small percentage drop in inductance can easily be accommodated by the converter design.</p> About text formats Tags Start-StopboostSoft SaturationNCV8876 Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
Copy of AC-DC Power Adapter With Current Boost Regulator - on Tue, 11/07/2023 - 17:28 Designer247180 × Member for 1 year 8 months 6 designs 2 groups Welcome to the community!! https://explore.partquest.com/node/619487 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/619487"></iframe> Title Description <p>This 5V regulator circuit provides 5A load current capability, well above the current limit of the linear regular component itself. This is thanks to the load sharing role of the bypass PNP transistor.</p> <p>The circuit is shown with a household 120 V. AC input, with a transformer and rectifier circuit, attempting to approximate a 12V automotive input voltage level. The design is based on an example application circuit shown in Figure 11 of the On Semiconductor Datasheet MC7800/D, November 2014 - Rev. 27. This executable design can be used to assess line and load transients, efficiency, PSRR vs. Frequency, etc. It can also be used for selecting the peripheral circuit components to achieve the desired performance.</p> <p>See also http://www.systemvision.com/design/ac-dc-power-adapter for a lower power level circuit.</p> About text formats Tags 5V Regulator, 5AMC7805Bboost Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
