Integrated Circuit DC-DC Converter Battery Mode Configuration
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Solution Overview
Problem
Portable devices with integrated circuits face challenges in accommodating various battery types and configurations, as different batteries provide distinct output voltages, necessitating a system to adapt and configure voltage levels effectively.
Innovation Solution
The integration of DC-DC converters and a converter control module within the integrated circuit, which uses a battery detect pin to determine the battery mode and configure the converters into appropriate modes (boost, buck, or combinations) to match the battery type, allowing for flexible voltage adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the integrated circuit is designed to work with a specific battery type, then the voltage output is stable and reliable, but the device cannot accommodate different battery types and configurations
Solution Approach 1:
The system dynamically configures DC-DC converters based on detected battery characteristics. The converter control module adjusts converter operation modes (buck, boost, or bypass) in real-time according to battery voltage levels, enabling the circuit to adapt to different battery types without requiring multiple fixed configurations
Solution Approach 2:
The system changes operational parameters of the DC-DC converters based on battery detection results. By modifying converter configuration parameters (enabled/disabled, buck/boost mode) according to detected battery voltage, the system achieves compatibility across multiple battery types while maintaining proper voltage levels for circuit operation
2Adaptability or versatility
If multiple DC-DC converters are used to handle different battery voltages, then the system can accommodate various battery types, but the device complexity and cost increase
Solution Approach 1:
The voltage regulation function is segmented across multiple DC-DC converters that can operate independently or in combination. Each converter handles specific voltage conversion tasks, and the control module selectively activates appropriate converters based on battery type, avoiding the need for a single complex converter to handle all scenarios
Solution Approach 2:
Multiple DC-DC converters are designed with universal functionality to handle different voltage conversion scenarios. Each converter can operate in buck, boost, or bypass modes, allowing the same hardware components to serve multiple battery configuration needs without requiring dedicated converters for each battery type
3Device complexity
If a single-pin detection system is used to identify battery mode, then the device complexity is reduced, but the measurement precision of battery type detection may be insufficient
Solution Approach 1:
A detection module serves as an intermediary between the single detection pin and the converter control system. This module processes the voltage signal from the single pin through comparison circuits and logic operations, extracting battery mode information with sufficient precision despite the limited input, thereby maintaining both simplicity and accuracy
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 the integrated circuit to function with multiple battery types by dynamically configuring DC-DC converters, reducing costs and enhancing reusability through a single-pin detection system, thereby providing a flexible and adaptable voltage solution.
Implementation Method 1
first direct current to direct current (DC-DC) converter 108, and a second DC-DC converter 110... at least one of the DC-DC converter circuits is configured based on the battery mode
Data Source
AI summary
A method and system to determine a battery mode of an integrated circuit device are presented. The battery mode is selected with respect to first and second direct current to direct current converter devices within the integrated circuit. A voltage is received at a single pin of the device. A battery mode is determined for the device based on the received voltage, and at least one of the direct current to direct current converter circuits is configured based on the determined battery mode.