1590A
555 Charge PumpVerified
Based on the 555 Charge Pump
From the post
Yesterday, Ronaldo commented on the Power Brick post pleading for a voltage doubler using the 555 chip. Well, since it sounded like it was an emergency, here you go. ;) D1-2 should be barrier Schottky diodes and don't forget the jumper under the IC.
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 9 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 2 | ||||
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| Capacitors 4 | ||||
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×2 | 220uF | 220u | electrolytic; read from the layout by eye | |
| ×1 | 470uF | 470u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| D1 | 1N5817 | 1N5817 | legend: 1N5817, 1N400x, etc.; read from the layout by eye | |
| D2 | 1N5817 | 1N5817 | legend: 1N5817, 1N400x, etc.; read from the layout by eye | |
| ICs 1 | ||||
| ×1 | 555 | 555 | timer, printed as 555; read from the layout by eye | |