Power Supply Device with Pre-Control Voltage Regulation
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Solution Overview
Problem
Semiconductor devices require multiple power supply voltages for operation, and existing power supply circuits struggle to provide these voltages in a controlled manner, leading to potential damage from sudden power changes.
Innovation Solution
A power supply device with pre-control and post-control voltage regulate units, along with an output discharge unit, converts main power into multiple supply voltages and manages their activation and deactivation to prevent damage, using a sequence control unit to coordinate the supply and discharge of voltages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a power supply circuit converts external voltage into multiple supply voltages for different internal blocks, then the semiconductor device can operate with required different voltages, but sudden power supply or power interruption may damage internal blocks
Solution Approach 1:
The patent applies preliminary action by introducing a pre-control voltage regulate unit that activates before the main voltage regulate unit. This pre-control unit generates pre-control supply voltages that are supplied to internal blocks before the main supply voltages are activated, ensuring that internal blocks are already at appropriate voltage levels when main power is applied, thereby preventing sudden power supply damage.
Solution Approach 2:
The patent applies preliminary action by implementing a discharge control mechanism that activates voltage regulate units in reverse order during power interruption. The post-control voltage regulate unit is activated first to discharge remaining charges, followed by the pre-control unit, ensuring that internal blocks are gradually discharged and protected from sudden power interruption damage.
2Power
If a voltage regulate unit converts main power into supply voltages, then power can be supplied to internal blocks, but remaining charges may cause damage when power is interrupted
Solution Approach 1:
The patent applies preliminary action by implementing a discharge control mechanism that activates voltage regulate units in reverse order during power interruption. The post-control voltage regulate unit is activated first to discharge remaining charges, followed by the pre-control unit, ensuring that internal blocks are gradually discharged and protected from sudden power interruption damage.
3Adaptability or versatility
If multiple voltage regulate units are used to provide different supply voltages, then internal blocks receive appropriate voltages, but the control complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the voltage regulation function into three distinct units: pre-control voltage regulate unit, main voltage regulate unit, and post-control voltage regulate unit. Each unit has a specific function and is controlled independently, simplifying the overall control logic while maintaining the ability to provide multiple supply voltages.
Solution Approach 2:
The patent applies dynamics by implementing dynamic control of voltage regulate unit activation based on power supply state. The control unit monitors power supply conditions and dynamically activates or deactivates specific voltage regulate units, allowing the system to adapt its complexity to operational requirements.
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
The solution ensures stable power supply and discharge operations, preventing damage to semiconductor device internal elements by controlling voltage supply and interruption, thus enhancing the reliability of semiconductor devices.
Implementation Method 1
a pre-control voltage regulate unit configured to convert main power into a pre-control supply voltage group including at least one pre-control supply voltage and to provide the pre-control supply voltage group to the chipset in response to the main power
Implementation Method 2
a post-control voltage regulate unit configured to convert the main power into a post-control supply voltage group including at least one post-control supply voltage and to provide the post-control supply voltage group to the chipset in response to the main power
Implementation Method 3
An output discharge unit is configured to discharge remaining charges at an output stage of the pre-control voltage regulate unit when the pre-control voltage regulate unit is in an inactivate state in response to a level of the main power
Data Source
AI summary
A power supply for supplying power to a chipset includes a first voltage regulating circuit, which is configured to convert an applied power supply signal into a group of first supply voltages, and a second voltage regulating circuit, which is configured to convert the applied power supply signal into a group of second supply voltages. A control circuit is provided, which is configured to selectively enable the second voltage regulating circuit to generate the group of second supply voltages. An output discharge circuit is provided, which is configured to discharge an output stage of the first voltage regulating circuit in response to a transition of the first voltage regulating circuit from an active state to an inactive state. This transition of the first voltage regulating circuit from an active state to an inactive state can occur in response to a change in magnitude of the power supply signal.