Dc-Dc Conversion TRIZ Cases
- Potential-Isolated Power Supply Monitoring with Single Optocoupler
A monitoring device checks multiple output voltages using a single optocoupler for feedback to the control circuit.
- Asynchronous Clock Division for Multiphase SMPS Interleaving
A dynamic clock divider generates phase-shifted control signals for multiphase power supplies without using locked loops.
- PWM DC-DC Converter with Redundant Channel Feedback Adjustment
Redundant PWM channels compare signal transitions to a voter output and adjust feedback voltage signals to equalize pulse widths.
- Switching Regulator Auto-Calibration via Dynamic Slope Compensation
Auto-calibration adjusts the internal slope of the on-time generator to maintain stability and phase margin across the entire switching frequency range.
- Secondary Controller Calibration for Flyback Converter Primary IC
Secondary controller transmits calibration data across isolation barriers to primary flyback converters, reducing chip area and board space.
- Bi-directional DC-DC Converter with Active Clamp for Aircraft Weight Reduction
A bi-directional DC-DC converter uses an active clamp branch and controlled switching to handle both boost and buck modes.
- Semiconductor Device Integrating MOSFET and Control Circuit
Integrating a driver IC with a high-side MOSFET reduces the component count from three chips to two, minimizing device size and cost.
- PWM Controller Adjustable Minimum Duty Cycle
Dynamic triangle wave limits adjust the minimum duty cycle to ensure sufficient power output at low voltages and optimize efficiency at high voltages.
- DAC Servo Block for Switching Converter DC Offset Correction
A servo block modifies DAC voltage to remove DC offsets in switching converters.
- DC-DC Converter Transient Response Control
Parallel transistors segment control to settle voltage rapidly without increasing AC loss.
- Anti-interference IC Gate Pulse Detection Feedback Control
An anti-interference integrated circuit detects adjacent gate pulses to pull up feedback voltage via a MOSFET.
- Switching Device Impedance Matching Signal Lines
Signal line impedance matching reduces ringing noise and switching loss while maintaining high-speed performance.
- Power Converter With Ripple Steering Flyback and Forward Topologies
A power converter combines flyback and forward topologies in an isolated magnetic configuration to steer current ripple using a single transformer.
- DC-DC Converter Thermal Management via Conductive Vias
Conductive vias extend through the substrate to connect the power stage with the backside, reducing thermal resistance and resolving heat accumulation issues.
- MIMO Power Converter with Booster Circuit for High dl/dt Cores
A dual MIMO power converter uses a booster circuit to bypass parasitic networks and supply multiple output voltages.
- Hysteretic Mode Converter Digital Frequency Control
Digital timing unit counts clock ticks to adjust on-time, reducing noise and complexity in hysteretic converters.