License

TAPR Open Hardware License

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h-bridge

9 months ago 124
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

A schematic-only project to demonstrate how a bootstrap capacitor works. The overall circuit is a DC to DC Buck converter (see Buck converter, from Wikipedia):

  • The control signal is a 20kHz, 50% PWM wave.
  • The power source is 12V DC.
  • The MOSFET is a N-Channel, requiring a positive voltage between gate and source of at least 5V.

To simulate it, use the following configuration:

  • Transient
  • Maximum timestep: 0.1us
  • Stop time: 100us
  • Start time: 0

Documents

Schematic

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted BOM_Manufacturer Part BOM_Supplier BOM_Supplier Part
1 PULSE(5V 0V 20u 2u 2u 25u 50u) AC 1 0 V1 HDR1X2 1
2 1N4002RL D1,D2 DO-41 2
3 1u C1 RAD-0.1 1
4 2N2222 Q1 ? 1
5 IRLB3813PBF Q2 NONE 1 IRLB3813PBF Digi-Key IRLB3813PBF-ND
6 150 R1 AXIAL-0.6 1
7 5k R2 AXIAL-0.6 1
8 12 AC 1 0 V2 HDR1X2 1
9 1m L1 AXIAL-0.4 1
10 10 R3 AXIAL-0.6 1

Attachments

None

Members

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