TL494 Projects

1 year ago

Open source license: Public Domain

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Description

This project is a combination of two projects: A Buck converter and a Boost Converter. The TL494 is a DC-DC converter control IC that lets create power converter circuits using power components of your choice. It has a programmable oscillator that lets you choose a switching frequency that you wish to use.

Buck Converter Photos:

IMG_20200723_105716868.jpgIMG_20200723_105647356_HDR.jpgIMG_20200723_112040822.jpgIMG_20200723_105702357.jpgDrain  Output Ripple Waveforms.png

Boost Converter photos: IMG20200725WA0002.jpegIMG20200726WA0000.jpegIMG_20200725_203427772.jpgIMG_20200725_203439531.jpg ![IMG_20200726_113342047.jpg](//image.easyeda.com/pullimage/hDiEjW8is5TlmVBJzk3B6i7STouBHzG8FzXmdQiM.jpeg

Documents

BOM

ID Name Designator Footprint Quantity
1 100u C1,C4,C15,C18,C21 CASE-A_3216 5
2 10u C2,C3,C16,C17 CASE-A_3216 4
3 0.1u C5,C6,C11,C12 C0201 4
4 1n C7,C8,C9,C10,C13,C14 C0201 6
5 0.1u x2p C19 C0201 1
6 100p C20 C0201 1
7 1N5819 D1,D4 DO-41_BD2.4-L4.7-P8.70-D0.9-FD 2
8 1N4148 D2,D3 DO-35_BD2.0-L4.0-P8.00-D0.5-FD 2
9 33u L1,L2 L0402 2
10 IRF4905PBF_C558142 Q1 TO-220-3_L10.0-W4.5-P2.54-L 1
11 2N3904 Q2,Q7,Q9 TO-92-3_L5.1-W4.1-P1.27-L 3
12 2N3906 Q3,Q4,Q5,Q6 TO-92-3_L4.9-W3.7-P1.27-L 4
13 IRF540N Q8 TO-220AB-3_L10.4-W4.6-P2.54-L 1
14 0.33R R1,R23 R0201 2
15 10R x2p R2 R0201 1
16 2.2k R3,R4,R16,R16*,R17,R17*,R18,R20,R21 R0201 9
17 100R R5,R15 R0201 2
18 5k R6 R0201 1
19 100R x10p R8 R0201 1
20 10k R7,R9,R10,R11,R12,R13,R14 R0201 7
21 100R x5p R19,R24 R0201 2
22 4.7R R22 R0201 1
23 R_3386P_US RP1 RES-ADJ-TH_3386P 1
24 TL494G-D16-T U1,U2 DIP-16_L19.7-W6.6-P2.54-LS10.9-BL 2
25 1N4744A ZD1*,ZD2* DO-41_BD2.8-L4.2-P8.00-D0.7-FD 2

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