Dc-Dc Conversion TRIZ Cases
- Phase Controller for Multi-Phase Voltage Converter
A phase controller coordinates multiple bridge circuits to drive power simultaneously via signal generators.
- Adaptive Multi-Slope Ramp Signal for PWM Converter Transient Response
Dynamic slope turning points adapt the multi-slope ramp signal to error signals, resolving instability from fixed gain settings during load transients.
- Current-Parking Switching Regulator for Fast Transient Response
A current-parking switching regulator adjusts load current delivery using a dedicated voltage control mechanism and single inductor.
- Active Clamp Circuit for Power Converter Leakage Inductance Recovery
A clamping switch and tank capacitor recover energy stored in leakage inductance without a separate drive circuit.
- Time Signal Generating Circuit for DC-DC Converter Voltage Regulation
A time signal generating circuit adjusts pulse width modulation on-time using feedback and input voltage signals.
- Multi-level Buck Converter Regulated Flying Capacitor Voltage
A multi-level buck converter uses a regulated flying capacitor voltage to power floating gate drivers for switch transistors.
- Switching Regulator Control Circuit for Output Short-Circuit Protection
A switching regulator control circuit distinguishes output short-circuits from mild over-current conditions using segmented timing paths.
- LED Power Converter Supply Voltage Detection
Power converter detects supply voltage characteristics via secondary winding timing data, eliminating primary-side measurement circuitry.
- In-Vehicle Step-Down Power Supply Frequency Control
A switching frequency control circuit adjusts operation ranges to stabilize output voltage.
- BJT Switching Speed Control via Conduction Feedback
A BJT driver adjusts base current based on conduction current to optimize switching transitions.
- Power Supply Circuit Transition Noise Reduction
An artificial feedback loop charges the phase compensating capacitor with series regulator voltage, reducing noise during switching.
- PWM Signal Frequency Adjustment for Buck Regulator Duty Cycle
Decreasing the clock signal frequency expands the PWM period to increase the duty cycle, overcoming intrinsic control circuit latency limits.
- Power Extractor Circuit for Solar Impedance Matching
A power extractor circuit detects power slopes to adjust switching duty cycles, resolving voltage mismatch losses in solar arrays.