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Planning in the fullness of time and providing long-term support to our clients and projects. Our work is based on: Push-pull configuration (Pin 13 → Vref)
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Push-pull configuration (Pin 13 → Vref). 6. Frequency Calculation Formula: [ f_osc = \frac1R_T \cdot C_T ] (For standard values: ( f \approx \frac1.1R_T \cdot C_T ))
Pin8 & 11 ── 100Ω ── MOSFET Gate Pin9 & 10 ── GND
Pin13 ── GND (single mode) Pin4 ── GND (min dead-time)
12V ──┬──── L1 ──┬── D1 ──┬── C2 ── 24V Out │ │ │ │ Q1 │ │ (MOSFET) │ │ │ │ │ └────────┘ │ │ │ GND │ └─── VCC TL494 Pins 8,11 → tied together Pin 13 → GND (single-ended) Pin 4 → GND (min dead-time) Use: Solar power backup, car inverters. Simplified Schematic 12V ──┬── Q1 (top left) ──┬── Transformer ──┐ │ │ (12-0-12 to 220V) │── Q2 (top right) ─┘ │ └── Q3 (bot left) ──┬── GND Q4 (bot right) ─┘ TL494 Outputs: Pin 8 (C1) → Q1 gate via driver Pin 9 (E1) → GND Pin 11(C2) → Q2 gate via driver Pin 10(E2) → GND Q3 driven by inverted Q1, Q4 by inverted Q2
RT=10k ── Pin6 CT=1nF ── Pin5
Push-pull configuration (Pin 13 → Vref). 6. Frequency Calculation Formula: [ f_osc = \frac1R_T \cdot C_T ] (For standard values: ( f \approx \frac1.1R_T \cdot C_T ))
Pin8 & 11 ── 100Ω ── MOSFET Gate Pin9 & 10 ── GND
Pin13 ── GND (single mode) Pin4 ── GND (min dead-time)
12V ──┬──── L1 ──┬── D1 ──┬── C2 ── 24V Out │ │ │ │ Q1 │ │ (MOSFET) │ │ │ │ │ └────────┘ │ │ │ GND │ └─── VCC TL494 Pins 8,11 → tied together Pin 13 → GND (single-ended) Pin 4 → GND (min dead-time) Use: Solar power backup, car inverters. Simplified Schematic 12V ──┬── Q1 (top left) ──┬── Transformer ──┐ │ │ (12-0-12 to 220V) │── Q2 (top right) ─┘ │ └── Q3 (bot left) ──┬── GND Q4 (bot right) ─┘ TL494 Outputs: Pin 8 (C1) → Q1 gate via driver Pin 9 (E1) → GND Pin 11(C2) → Q2 gate via driver Pin 10(E2) → GND Q3 driven by inverted Q1, Q4 by inverted Q2
RT=10k ── Pin6 CT=1nF ── Pin5