BB3 AUX-PS board

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ReferencesQtyDescriptionManufacturerMPNManufacturerMPNManufacturerMPN
C1, C2, C16, C18, C1951u490-10494-2-ND81-GRM219R7YA105KA2JGRM219R7YA105KA12D
C10147n/400V (X2)399-11478-ND871-B32921C3473KMKP-X2-47NR10/310
C13, C142100n1276-1005-2-ND187-CL10B104KO8NNNCCL10B104KA8NNNC
C3, C6, C93100n/X2399-6806-ND80-R46KI310000M1MR46KI310000M1M
C4, C5, C173EEEFK1V470PPCE3842CT-ND667-EEE-FK1V470PEEEFK1V470P
C7, C822n2/Y2495-4874-1-ND871-B32620A6222J289R66PD1220AA10K
D3, D42BAS3161727-7370-1-ND771-BAS316-T/RBAS316,115

Overview

IMPORTANT: A crowdfunded version of the AUX-PS (r3B3) can be found here.

AUX Power supply board for powering MCU board and backplane. It includes fan controller and AC power control with softstart (inrush current limiter) for power modules like DCP405 and DCM224.

module

Feature list

  • On-board IEC C14 AC inlet with dual 20 x 5 mm fuses
  • On-board AC power switch
  • AC input protection (SAR, MOV)
  • AC input filter for EMI compliance
  • 3 x AC power outputs
  • Soft-start/standby relay control
  • +5 V, 10 W (optional 20 W)
  • +12 V, 10 W
  • I2C DC fan controller with temperature sensor and speed control
  • Two 3-wire or 4-wire 12V DC fans (standard PC fan pinout)
  • Standby LED indictor
  • On-board PE 4 mm terminal
  • AC mains frequency detection (optional)
  • Dimensions: 230.5 x 60 mm, 2-layer PCB
  • CE certified design

KiCad project (v7 or newer)

All symbols, footprints and 3D models used in the project can be found in the EEZ-DIB Library plugin for KiCad.

Bill of materials

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