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24VAC Power Supply (TPSM53603)

2 months ago 165
  • Description
  • Documents
  • BOM
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Description

Small power supply for HVAC and doorbell systems. 24VAC in -> 5VDC (adjustable) out. Based on the TPSM53603 chip.

To adjust output, change the value of R5. For more information, see the TPS53603 datasheet:

Output Voltage R5 Value
5V 2.49kΩ
3.3V 4.32kΩ
1.8V 12.4kΩ

Documents

24VAC -> 5VDC Power Supply (TPSM53603)

24VAC -> 5VDC Standalone Power Supply PCB

BOM

ID Name Designator Footprint Quantity
1 HDR-F-2.54_1x2 H1 HDR-F-2.54_1X2 1
2 1725656 J1 1725656 1
3 100k R2,R3 R0402 2
4 10k R4 R0402 1
5 2.49k R5 R0402 1
6 100uF C1 CAP-SMD_BD10.0-L10.3-W10.3-FD 1
7 MB4S-E3/80 D2 MBS_L4.7-W4.0-P2.40-LS7.0-BL_MB4S 1
8 TPSM53603 IC1 TPSM53603 1
9 10uF C2,C3 C1210 2
10 47uF C4,C5 C1210 2

Attachments

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IMG_E7965.JPG
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