Battery Overcharge Protection TRIZ Cases
- Switched Capacitor Battery Charging Circuit
A switched capacitor converts high voltage charging power to lower levels before reaching the circuit.
- Battery Control Circuit Level Shift Voltage Identification
A battery control circuit uses level shift circuits and differential amplifiers to compare cell voltages against threshold levels.
- Battery Protection Circuit Using Voltage Divider
A charge/discharge protection circuit uses a voltage divider to shield low-voltage PMOS transistors from excessive charger input.
- Single Current Limiting Resistor for Electric Storage System Inrush Control
A single current limiting resistor suppresses inrush currents across multiple relay circuits in an electric storage system.
- Dual Cell Protection IC with External FET for Heat Management
Separating the heat-generating FET from the protection IC prevents thermal damage during high-current charge cycles.
- Bi-directional Converter UPS for Voltage Regulation
A bi-directional converter regulates charging and discharging voltages in uninterruptible power supply units using MOSFET switches.
- External Battery Protection Transistor for Lithium-Ion Safety
Relocating protection circuitry to an external system reduces weight, size, and cost while maintaining safety.
- Battery Charging Apparatus Overvoltage Protection Control
A battery charging apparatus monitors output voltage and current to switch off direct current when thresholds are exceeded.
- Adaptive Battery Charging Circuitry Optimizing Cycle Life
Adaptive charging circuitry manages battery charge signals using real-time feedback to optimize cycle life and charging efficiency.
- Modular Battery Overcharge Preventer with Cutter Mechanism
A replaceable overcharge preventing device uses a cutter to sever the bus bar upon cell expansion.
- RF Wireless Charging Circuit with Dynamic Power Control
A wireless charging circuit harvests radio frequency power to charge lithium-ion batteries using a dedicated RF harvesting module.
- Battery Voltage Monitoring Circuit for Internal Abnormality Detection
Voltage sampling circuits measure decline rates to detect internal abnormalities, preventing explosions by shutting down charging when thresholds are exceeded.