Bidirectional Voltage Regulation Circuit for Host-Peripheral Power
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Solution Overview
Problem
Conventional energy regulation circuits cannot adjust the output voltage provided by a second external device to generate an adjustment result and provide it back to a first external device, limiting bidirectional voltage regulation capabilities.
Innovation Solution
An energy regulation circuit comprising a first voltage regulator, a processor, a second voltage regulator, and a controller, which adjusts input voltage to generate a boost voltage, charges an energy accumulator, and operates based on an operation voltage to facilitate bidirectional voltage regulation between a host device and a peripheral device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional energy regulation circuit only adjusts voltage in one direction (from first external device to second external device), then the circuit structure can be simpler, but the adaptability and bidirectional voltage regulation capability are limited
Solution Approach 1:
The energy regulation circuit is designed to perform multiple functions: it can regulate voltage from the first external device to the second external device, and also regulate voltage from the second external device to the first external device. The same circuit components (first voltage regulator, processor, second voltage regulator) are used bidirectionally, making the circuit universal and adaptable to different power supply scenarios without requiring separate dedicated circuits for each direction.
Solution Approach 2:
The circuit dynamically switches between different voltage regulation modes based on which external device is providing power. The processor controls the switches to configure the circuit appropriately: when the first external device powers the system, voltage is regulated downward through the first voltage regulator; when the second external device powers the system, voltage is regulated upward through the second voltage regulator. This dynamic reconfiguration enables bidirectional adaptability.
2Adaptability or versatility
If the energy regulation circuit includes bidirectional voltage regulation components, then the adaptability improves, but the device complexity increases
Solution Approach 1:
The same set of voltage regulators (first voltage regulator, second voltage regulator) and processing components serve dual purposes: regulating voltage in both directions depending on which external device is the power source. This multi-functional design achieves voltage regulation flexibility without proportionally increasing component count, as each component participates in both forward and reverse regulation operations.
Solution Approach 2:
The processor acts as an intermediary that intelligently controls the switches and coordinates the operation of the first and second voltage regulators. It determines which external device is providing power and configures the circuit accordingly, managing the complexity of bidirectional regulation through centralized intelligent control rather than requiring separate dedicated regulation paths.
3Reliability
If the circuit can only receive power from the host device, then the operation system is simpler, but the reliability and operational independence are reduced
Solution Approach 1:
The energy regulation circuit is designed to universally accept power from either the first external device (host device) or the second external device (peripheral device). This multi-source power acceptance capability enhances reliability and operational independence, allowing the system to function autonomously when powered by the peripheral device without requiring constant host device power supply.
Solution Approach 2:
The circuit includes an energy accumulator that can be charged in advance when power is available from either external device. This preliminary energy storage enables the system to maintain operation during power transitions or when the primary power source becomes unavailable, enhancing reliability without requiring complex real-time power switching mechanisms.
4Use of energy by moving object
If the energy accumulator is charged to higher voltage, then the energy storage capacity increases, but the voltage regulation requirements become more complex
Solution Approach 1:
The circuit changes its voltage regulation parameters based on the charging state and voltage level. When charging the energy accumulator, the voltage regulators adjust their operation to appropriately charge at higher voltages to maximize energy storage. The processor monitors and adjusts regulation parameters dynamically, allowing high-voltage charging while maintaining safe and efficient operation through adaptive parameter control.
Solution Approach 2:
The processor implements feedback control to monitor the energy accumulator's charge state and voltage level, adjusting the voltage regulation accordingly. This feedback mechanism allows the system to safely charge the accumulator to higher voltages to increase energy storage while automatically regulating to prevent overvoltage or unsafe conditions, managing the complexity through intelligent closed-loop control.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient bidirectional voltage regulation, allowing the energy regulation circuit to maintain operation and power other devices even when the host device is not providing power, by increasing energy storage and managing switches to transmit appropriate voltages.
Implementation Method 1
The first voltage regulator adjusts the charging voltage to generate an adjustment voltage
Implementation Method 2
The processor increases the adjustment voltage according to the charging voltage to generate a boost voltage
Implementation Method 3
An energy accumulator is charged according to the boost voltage
Implementation Method 4
The second voltage regulator adjusts the boost voltage to generate an operation voltage
Data Source
AI summary
An energy regulation circuit including a first voltage regulator, a processor, a second voltage regulator, and a controller is provided. The first voltage regulator adjusts an input voltage to generate an adjustment voltage. The processor increases the adjustment voltage according to the input voltage to generate a boost voltage. An energy accumulator is charged according to the boost voltage. The second voltage regulator adjusts the boost voltage to generate an operation voltage. The controller operates according to the operation voltage.