Half-Bridge Driver Chip with Integrated Pinless Programming
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional driver chips for half-bridge circuits require additional chip pins and external connections for programming, leading to increased energy consumption and complexity.
Innovation Solution
Integration of a programming module within the driver chip that allows switching into a programming mode using an enabling signal, allowing the input signal to be used for decoding and adjusting circuit parameters without additional external connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If additional functional components are integrated into the driver chip for programming, then the adaptability of the circuit is improved, but the device complexity increases due to additional chip pins and external connections
Solution Approach 1:
The patent merges the programming module with the drive module into a single integrated driver chip. The programming module includes a decoding unit that receives enabling signals and input signals, and a preset unit that stores circuit parameters. This integration eliminates the need for separate external programming components and their associated connections, thereby improving adaptability while reducing device complexity.
Solution Approach 2:
The driver chip is designed with multi-functionality by incorporating both drive functionality and programming capability within the same chip. The decoding unit can operate in different modes depending on the enabling signal state, allowing the chip to perform both switching control and parameter programming functions, thus improving versatility without increasing external connections.
2Adaptability or versatility
If additional chip pins are used for external connections to external electronic components, then the adaptability for adjusting circuit parameters is improved, but the number of components to be welded increases
Solution Approach 1:
The preset unit is integrated directly into the driver chip, merging the parameter storage function with the driving function. This eliminates the need for external electronic components that would otherwise be connected through additional chip pins, thereby reducing the quantity of components while maintaining parameter adjustment capability through the decoding unit.
3Adaptability or versatility
If additional external connections are made for programming functions, then the adaptability for controlling switch parameters is improved, but the energy consumption of the overall circuit increases
Solution Approach 1:
By integrating the programming module within the driver chip, the patent eliminates additional external connections required for programming. The decoding unit can receive and process programming signals through the existing input signal path, reducing the number of active electrical connections and thereby lowering the overall energy consumption of the circuit while maintaining full switch control capability.
Data Source
AI summary
A driver chip for a half-bridge circuit includes a drive module and a programming module. The drive module is configured to receive an enabling signal and at least one input signal. The drive module outputs a high-side output signal to a high-side switch and a low-side output signal to a low-side switch, respectively. The programming module includes a decoding unit configured to receive the enabling signal and the at least one input signal. The programming module further includes a preset unit coupled to the decoding unit. The decoding unit outputs decoded data to the preset unit, and the preset unit outputs a circuit parameter.