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Mini Bipolar Hbridge markt

Small surface mount Hbridge for 1A or so

Recent activity:

  • markt photo received6 years ago
  • markt pushed to6 years ago
  • markt photo received6 years ago
  • markt pushed to6 years ago
  • markt board processed6 years ago
  • markt board received6 years ago

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Description

Small surface mount Hbridge for 1A or so, using super-beta output stages for very low voltage dropout. Adjust R5 and R6 for supply voltage (example: 220ohms for 5V, 470ohms for 12V). Bridge rectifier provides the free-wheeling diodes in one package.

Schematic

Board

Bill of Materials

Designator Value Description
B1 DF005S Surface Mount Glass Passivated Bridge Rectifiers
C1 220nF CAPACITOR, European symbol
C2 220uF POLARIZED CAPACITOR, European symbol
R1 4k7 RESISTOR, European symbol
R2 4k7 RESISTOR, European symbol
R3 4k7 RESISTOR, European symbol
R4 4k7 RESISTOR, European symbol
R5 220 RESISTOR, European symbol
R6 220 RESISTOR, European symbol
R7 4k7 RESISTOR, European symbol
R8 4k7 RESISTOR, European symbol
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U$2 PBSS4032SPN PBSS4032SPN dual NPN/PNP high current switchers
U$3 BC847BS BC847BS dual NPN

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This project is © Mark Tillotson, and is published under the terms of the Creative Commons Attribution-ShareAlike 3.0 Unported licence.