Stacked Battery Backup for Volatile Memory Thermal Protection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Volatile memory loses data when power is interrupted, requiring time-consuming reloading upon power restoration, which increases system latency.
Innovation Solution
Integrate a battery with a die-stacking package to provide power to volatile memory during power outages, using a temperature sensor and control logic to manage power distribution and prevent data loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If volatile memory is used to maintain data during power outages, then data retention is improved, but system complexity increases due to integration of battery and control circuits
Solution Approach 1:
The patent combines the battery, voltage regulator, temperature sensor, and control logic into an integrated power management unit that is electrically coupled to the volatile memory. This merging of multiple components into a single integrated system maintains data retention during power outages while reducing the overall system complexity compared to separate implementations.
Solution Approach 2:
The integrated power management unit performs multiple functions simultaneously: it provides backup power during outages, regulates voltage levels, monitors temperature, and controls power distribution. This multi-functionality approach improves data retention reliability without proportionally increasing system complexity, as a single unit handles what would otherwise require multiple separate components.
2Productivity
If battery is integrated to provide power during outages, then productivity is improved by avoiding data reloading, but device complexity increases
Solution Approach 1:
The battery is pre-charged during normal operation when main power is available, so that when a power outage occurs, the memory already has power储备 to maintain data without interruption. This preliminary action ensures instantaneous recovery without data loss, improving productivity by eliminating reload times while the integrated design keeps complexity manageable.
Solution Approach 2:
The voltage regulator acts as an intermediary between the battery and the volatile memory, converting the battery's voltage to the appropriate levels for memory operation. This intermediary component enables the battery to provide power during outages without requiring complex direct connection circuits, thus improving recovery time while limiting the increase in device complexity.
3Reliability
If temperature monitoring and control is implemented, then reliability is improved by preventing thermal damage, but device complexity increases
Solution Approach 1:
The temperature sensor continuously monitors the thermal conditions of the volatile memory and provides feedback to the control logic. When the temperature exceeds a predetermined threshold, the control logic automatically adjusts power distribution or activates cooling mechanisms. This feedback-based approach improves thermal protection reliability while keeping the control circuit complexity minimal through automated responses rather than complex control algorithms.
Solution Approach 2:
The integrated power management unit includes built-in temperature monitoring and automatic control capabilities that operate autonomously without requiring external intervention. The system self-regulates power distribution based on temperature conditions, providing reliable thermal protection while minimizing the complexity of external control circuits needed.
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
Faster recovery times and reduced energy consumption by maintaining volatile memory data without reloading, with improved power stability and protection against excessive temperatures.
Implementation Method 1
A battery module disposed on a top portion of the first integrated circuit die element, the battery module operable to receive power from the battery charger, and the battery module operable to supply power to the volatile memory at least when the main power supply is in the off state
Implementation Method 2
with improved power stability and protection against excessive temperatures
Data Source
AI summary
A system comprises an integrated circuit die substrate; volatile memory electrically coupled to the integrated circuit die substrate; a first integrated circuit die element electrically coupled to the integrated circuit die substrate, the first integrated circuit die element comprising a first field programmable gate array (FPGA), and the first integrated circuit die element disposed adjacent to the volatile memory; a battery charger operable to receive power from a main power supply, the main power supply having an on state and an off state, wherein the main power supply is supplying power in the on state and not supplying power in the off state; and a battery module disposed on a top portion of the first integrated circuit die element, the battery module operable to receive power from the battery charger, and the battery module operable to supply power to the volatile memory at least when the main power supply is in the off state.