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1.Easy to use and quick to get started
2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
4.For students, teachers, creators
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1.Brand new interactions and interfaces
2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
3.More rigorous design constraints, more standardized processes
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Ongoing
STD Improved PWM Control
Mode: Editors' pick
- 1
Update time：
2020-11-18 17:16:10
Creation time：
2016-07-19 14:58:09
Description
A simple circuit that will allow PWM control for a single 12V fan with a current up to 3A
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 555 | U1,U3 | DIP08 | 2 |
| 2 | 10k | R1,R8,R9 | R3 | 3 |
| 3 | 47k | R2 | R3 | 1 |
| 4 | 9.1k | R3,R5 | R3 | 2 |
| 5 | 10k | R4 | TRIM_POT_PTH | 1 |
| 6 | LM311 | U2 | DIP8 | 1 |
| 7 | 560p | C1 | C1 | 1 |
| 8 | 47u | C2 | CP_8X13MM | 1 |
| 9 | 100p | C3 | C1 | 1 |
| 10 | 0.1u | C4,C5 | C1 | 2 |
| 11 | 1k | R6 | R3 | 1 |
| 12 | 100 | R7 | R3 | 1 |
| 13 | 10u | C6 | CP_8X13MM | 1 |
| 14 | 2N3904 | Q1,Q2 | SOT23 | 2 |
| 15 | SIP4 | MOLEX | HDR1X4 | 1 |
| 16 | SIP1 | SENSOR | HDR1X1 | 1 |
| 17 | 4PIN_FAN_CONNECTOR | U4 | 4PIN_FAN_CONNECTOR | 1 |
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