Board-dat/MSP/MSP1046-dat/2025-01-09-19-32-08.png
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Board-dat/MSP/MSP1046-dat/MSP1046-dat.md
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@@ -3,6 +3,15 @@
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https://www.electrodragon.com/product/sg3525-pulse-width-modulator-breakout/
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+## Board map
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+
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+![](2025-01-09-19-32-08.png)
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+
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+- left potentiometer = no int. input
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+- right potentiometer = RT
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+- output = VC
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+
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+## Usage Guide
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As shown in the figure above, VCC/GND on the left is the power input terminal.
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@@ -35,4 +44,4 @@ After adjusting the required frequency and duty cycle, directly connect OUT to t
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## ref
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-- [[SG3525-dat]] - [[PWM-dat]] - [[LM317-dat]]
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\ No newline at end of file
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+- [[SG3525-dat]] - [[PWM-dat]] - [[LM7805-dat]]
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\ No newline at end of file
Chip-dat/OnSemi-dat/SG3525-dat/2025-01-09-19-34-36.png
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Chip-dat/OnSemi-dat/SG3525-dat/SG3525-dat.md
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Pulse Width Modulator Control Circuit
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+- [[MSP1046-dat]]
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+
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## Features
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1. Onboard SG3525APWM control chip;
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@@ -15,6 +17,10 @@ Pulse Width Modulator Control Circuit
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8. Output amplitude: 5V;
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9. Board size: 30.8 (mm) x18 (mm);
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+## Block Diagram
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+
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+![](2025-01-09-19-34-36.png)
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+
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## SCH
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## ref
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-- [[onsemi-dat]] - [[TL494-dat]]
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+- [[onsemi-dat]] - [[TL494-dat]]
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+
2
+- [[Oscillator-dat]] - [[crystal-dat]]
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\ No newline at end of file
Chip-dat/TI-dat/TI-Power-dat/LM7805-dat/LM7805-dat.md
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@@ -6,6 +6,11 @@ LM340, LM340A and LM7805 Family Wide VIN 1.5-A Fixed Voltage Regulators
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- up to 35V input
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- output voltage 5V
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+## Variation
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+
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+- 78L05
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+- 78M05
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+
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## ref