BOM-DAT/capacitor-dat/capacitor-ZVS-dat/capacitor-ZVS-dat.md
... ...
@@ -0,0 +1,85 @@
1
+# capacitor-ZVS-dat
2
+
3
+**ZVS** stands for **Zero Voltage Switching**, a technique used in power electronics to reduce switching losses and electromagnetic noise.
4
+
5
+A **ZVS capacitor** (sometimes called a **resonant capacitor** or **tank capacitor**) is a **high-frequency, high-current film capacitor** used in ZVS circuits — especially in **induction heaters**, **resonant converters**, and **DC–DC inverters**.
6
+
7
+---
8
+
9
+## ⚙️ Function
10
+
11
+In a ZVS circuit:
12
+1. The **inductor (L)** and **capacitor (C)** form an **LC resonant tank**.
13
+2. The capacitor’s charge/discharge creates a **sinusoidal voltage waveform**.
14
+3. MOSFETs or IGBTs switch **only when the voltage across them is near zero**, minimizing losses.
15
+
16
+The ZVS capacitor:
17
+- Stores and releases energy during switching cycles.
18
+- Ensures **phase alignment** between voltage and current for resonance.
19
+- Allows **soft switching**, reducing heat and EMI.
20
+
21
+---
22
+
23
+## 🧩 Typical Parameters
24
+
25
+| Parameter | Typical Range | Notes |
26
+| -------------------------------------- | ------------------------ | ------------------------------------ |
27
+| **Capacitance** | 0.1 µF – 5 µF | Depends on frequency and power level |
28
+| **Voltage rating** | 400 V – 2000 V DC | Must handle resonant voltage peaks |
29
+| **Type** | Polypropylene film (MKP) | Low ESR, low ESL, high pulse current |
30
+| **ESR (Equivalent Series Resistance)** | Very low (<0.01 Ω) | Essential for low heating |
31
+| **Current handling** | 10–100+ A (RMS) | Must survive continuous AC ripple |
32
+
33
+---
34
+
35
+## ⚡ Why It Matters
36
+
37
+ZVS capacitors enable:
38
+- **High-efficiency** power conversion (90–98%)
39
+- **Cooler MOSFETs**
40
+- **Quiet operation** (less ringing)
41
+- **Longer component life**
42
+
43
+Without a proper ZVS capacitor:
44
+- Switching occurs with high voltage still present
45
+- MOSFETs overheat or fail
46
+- Resonance breaks down
47
+
48
+---
49
+
50
+## 📘 Typical Uses
51
+
52
+| Application | Example |
53
+| ------------------------ | ------------------------- |
54
+| Induction heater driver | LC tank capacitor |
55
+| Tesla coil / ZVS flyback | Energy transfer capacitor |
56
+| Resonant converter | Resonant link capacitor |
57
+| Class-E amplifier | Output matching capacitor |
58
+
59
+---
60
+
61
+## 🧮 Example
62
+
63
+In a 100 kHz ZVS induction heater:
64
+```
65
+L = 5 µH
66
+C = 1 µF
67
+f = 1 / (2π√(LC)) = ~71 kHz
68
+```
69
+The capacitor and coil oscillate at the resonant frequency, letting the MOSFETs switch right when voltage ≈ 0 V → **Zero Voltage Switching**.
70
+
71
+---
72
+
73
+## 🧠 Summary
74
+
75
+| Term | Meaning |
76
+| ------------------ | --------------------------------------------------------------- |
77
+| **ZVS** | Zero Voltage Switching |
78
+| **Purpose** | Reduce switching loss by turning on transistors at zero voltage |
79
+| **Capacitor Role** | Maintain resonance and enable soft switching |
80
+| **Preferred Type** | Polypropylene film (low ESR, high current) |
81
+
82
+
83
+## ref
84
+
85
+- [[capacitor-dat]]
... ...
\ No newline at end of file
Board-dat/ODC/ODC1002-dat/2025-10-08-15-19-42.png
... ...
Binary files /dev/null and b/Board-dat/ODC/ODC1002-dat/2025-10-08-15-19-42.png differ
Board-dat/ODC/ODC1002-dat/2025-10-08-15-20-14.png
... ...
Binary files /dev/null and b/Board-dat/ODC/ODC1002-dat/2025-10-08-15-20-14.png differ
Board-dat/ODC/ODC1002-dat/ODC1002-dat.md
... ...
@@ -0,0 +1,75 @@
1
+# HV-module-dat
2
+
3
+- [[high-voltage-dat]]
4
+
5
+- High Voltage Boost Module
6
+
7
+
8
+## potention quality issue
9
+
10
+- please double check the large capacitor, if the withstand voltage is not enough, it may explode
11
+
12
+- on board capacitor withstand voltage is 400V, will be slightly risky if set output to 390V, please use with caution
13
+
14
+- consider its price, be merciful
15
+
16
+
17
+## Module Function
18
+
19
+![](2025-10-08-15-19-42.png)
20
+
21
+dimension
22
+
23
+![](2025-10-08-15-20-14.png)
24
+
25
+## usage
26
+
27
+- CW tune to increase output voltage, CCW tune to decrease output voltage
28
+
29
+
30
+## Module Info
31
+
32
+- Non-isolated Boost Converter
33
+
34
+### Input Specifications
35
+- **Input Voltage:** Two selectable ranges (set via PCB rear jumper, default is 10-32V)
36
+ 1. 8–16V (for 3S lithium batteries and 12V lead-acid batteries)
37
+ 2. 10–32V (for wide input voltage applications)
38
+- **Input Current:** Max 5A
39
+- **Quiescent Current:** 15mA (at 12V to 50V boost; increases with higher output voltage)
40
+
41
+### Output Specifications
42
+- **Output Voltage:**
43
+ 1. 45–390V continuously adjustable
44
+ 2. ±45–390V continuously adjustable (default ±50V; for other voltages, please specify when ordering)
45
+ - Module has voltage regulation; output voltage remains stable and does not change with input voltage.
46
+- **Output Current:** Max 0.2A (depends on input/output voltage difference; higher output voltage means lower output current)
47
+- **Output Power:** 40W (peak 70W)
48
+
49
+### Protection Features
50
+- **Short Circuit Protection:** Yes (10A input fuse; do not directly short output or draw arcs, as this may damage rectifier components. Use a power resistor in series for arc drawing.)
51
+- **Overcurrent Protection:** Yes (reduces output voltage if input current exceeds 4.5A)
52
+- **Overvoltage Protection:** Yes (reduces output voltage if output exceeds 410V)
53
+- **Reverse Polarity Protection:** Yes (non-self-resetting; reverse connection will blow the fuse, avoid reverse connection)
54
+
55
+### Other Specifications
56
+- **Operating Temperature:** -40°C to +85°C (enhance cooling if ambient temperature is high)
57
+- **Operating Frequency:** 75kHz
58
+- **Conversion Efficiency:** Up to 88% (depends on input/output voltage, current, and voltage difference)
59
+- **Mounting:** 4 × 3mm screws
60
+- **Wiring:** Terminal block for solderless output (soldered output if with enclosure)
61
+- **Module Dimensions:** 60mm (L) × 50mm (W) × 22mm (H)
62
+
63
+### Capacitor Charging Time (Measured Data)
64
+- 470μF to 390V: 2 seconds
65
+- 1000μF to 390V: 4 seconds
66
+- 2200μF to 390V: 8 seconds
67
+- 4700μF to 390V: 18 seconds
68
+
69
+### Important Safety Note
70
+> **Warning:** This module outputs high voltage, which is dangerous to humans and animals. Please take proper safety precautions during use. The seller is not responsible for any consequences resulting from improper use or handling of the module.
71
+
72
+
73
+## ref
74
+
75
+- [[tech-dat]]
... ...
\ No newline at end of file
Board-new-dat/HV-module-dat/2025-10-08-15-19-42.png
... ...
Binary files a/Board-new-dat/HV-module-dat/2025-10-08-15-19-42.png and /dev/null differ
Board-new-dat/HV-module-dat/2025-10-08-15-20-14.png
... ...
Binary files a/Board-new-dat/HV-module-dat/2025-10-08-15-20-14.png and /dev/null differ
Board-new-dat/HV-module-dat/HV-module-dat.md
... ...
@@ -1,70 +0,0 @@
1
-# HV-module-dat
2
-
3
-- [[high-voltage-dat]]
4
-
5
-- High Voltage Boost Module
6
-
7
-
8
-## potention quality issue
9
-
10
-- please double check the large capacitor, if the withstand voltage is not enough, it may explode
11
-
12
-- on board capacitor withstand voltage is 400V, will be slightly risky if set output to 390V, please use with caution
13
-
14
-- consider its price, be merciful
15
-
16
-
17
-## Module Function
18
-
19
-![](2025-10-08-15-19-42.png)
20
-
21
-dimension
22
-
23
-![](2025-10-08-15-20-14.png)
24
-
25
-## Module Info
26
-
27
-- Non-isolated Boost Converter
28
-
29
-### Input Specifications
30
-- **Input Voltage:** Two selectable ranges (set via PCB rear jumper, default is 10-32V)
31
- 1. 8–16V (for 3S lithium batteries and 12V lead-acid batteries)
32
- 2. 10–32V (for wide input voltage applications)
33
-- **Input Current:** Max 5A
34
-- **Quiescent Current:** 15mA (at 12V to 50V boost; increases with higher output voltage)
35
-
36
-### Output Specifications
37
-- **Output Voltage:**
38
- 1. 45–390V continuously adjustable
39
- 2. ±45–390V continuously adjustable (default ±50V; for other voltages, please specify when ordering)
40
- - Module has voltage regulation; output voltage remains stable and does not change with input voltage.
41
-- **Output Current:** Max 0.2A (depends on input/output voltage difference; higher output voltage means lower output current)
42
-- **Output Power:** 40W (peak 70W)
43
-
44
-### Protection Features
45
-- **Short Circuit Protection:** Yes (10A input fuse; do not directly short output or draw arcs, as this may damage rectifier components. Use a power resistor in series for arc drawing.)
46
-- **Overcurrent Protection:** Yes (reduces output voltage if input current exceeds 4.5A)
47
-- **Overvoltage Protection:** Yes (reduces output voltage if output exceeds 410V)
48
-- **Reverse Polarity Protection:** Yes (non-self-resetting; reverse connection will blow the fuse, avoid reverse connection)
49
-
50
-### Other Specifications
51
-- **Operating Temperature:** -40°C to +85°C (enhance cooling if ambient temperature is high)
52
-- **Operating Frequency:** 75kHz
53
-- **Conversion Efficiency:** Up to 88% (depends on input/output voltage, current, and voltage difference)
54
-- **Mounting:** 4 × 3mm screws
55
-- **Wiring:** Terminal block for solderless output (soldered output if with enclosure)
56
-- **Module Dimensions:** 60mm (L) × 50mm (W) × 22mm (H)
57
-
58
-### Capacitor Charging Time (Measured Data)
59
-- 470μF to 390V: 2 seconds
60
-- 1000μF to 390V: 4 seconds
61
-- 2200μF to 390V: 8 seconds
62
-- 4700μF to 390V: 18 seconds
63
-
64
-### Important Safety Note
65
-> **Warning:** This module outputs high voltage, which is dangerous to humans and animals. Please take proper safety precautions during use. The seller is not responsible for any consequences resulting from improper use or handling of the module.
66
-
67
-
68
-## ref
69
-
70
-- [[tech-dat]]
... ...
\ No newline at end of file
Tech-dat/high-voltage-dat/high-voltage-dat.md
... ...
@@ -2,8 +2,14 @@
2 2
# high-voltage-dat
3 3
4 4
5
+- [[HV-module-dat]]
6
+
5 7
## apps
6 8
9
+It's suitable for capacitor charging, hunting, rodent control, and Nixie tube power supplies.
10
+
11
+- [[capacitor-ZVS-dat]] - [[capacitor-dat]]
12
+
7 13
- [[coilgun-dat]]
8 14
- [[nixie-tube-dat]]
9 15
- [[tesla-coil-dat]]
Tech-dat/tech-dat.md
... ...
@@ -28,6 +28,8 @@
28 28
29 29
## New Tech And Updates
30 30
31
+- [[high-voltage-dat]]
32
+
31 33
- [[lora-dat]]
32 34
33 35