Charge Equalisation Circuit TRIZ Cases

Individual cell control keeps LiFePO4 batteries chargeable during undervoltage protection while limiting harmful voltage, current, and ripple.

Individual battery modules are managed and merged to keep EV charging continuous without a master BMS, even during depletion or module replacement.

Charge retention and control circuits let supercapacitors handle rapid cycling while batteries preserve energy capacity and cycle life.

A bi-directional DC/DC converter injects multi-frequency current to measure battery pack impedance continuously for EV health assessment.

Dual charging paths with a switched capacitor and buck converter stabilize series-battery charging while reducing circuit complexity.

A ladder network of horizontal and vertical switches balances series battery cells faster than passive methods while scaling to high-voltage packs.

Sequential cell bypass equalizes remaining capacity, uses more discharge energy, and sustains desired output without voltage instability.

A two-inductor switching circuit raises cell balancing current without the heat limits and high element count of conventional balancing designs.

Shared bi-directional ESD protection and dual-polarity balancing switches cut BMS IC footprint and cost while preserving accurate bus-bar measurements.

A shared AC link and capacitively coupled cell circuits balance multiple series cells without selector switches, cutting equalizer complexity and size.

A zoned substrate and adapter replace chaotic harness layouts in a high-voltage box, simplifying assembly, disassembly, and maintenance.

A bilevel equalizer case showing how inductor core, winding, and FET loss selection improves battery cell balancing efficiency and cost.

Combining active balancing within cell groups and passive balancing between groups cuts equalization losses without adding complex charge circuits.

A substrate-based modular layout replaces chaotic harness wiring in a high-voltage box, speeding maintenance and improving space use.

A hybrid active-passive equalization circuit balances cell-section voltage while cutting energy loss and preserving battery discharge capacity.

A laminated PCB balancing resistor turns bypass-current heat into battery warming while stabilizing cell voltage and temperature.

Alternating charge and discharge through the motor controller keeps battery packs equalized during self-heating, protecting capacity and lifespan.

Parallel batteries with different charge behavior are managed through shared-node current control to cut impedance and prevent brownouts.

Bidirectional charge equalization between two power-tool accumulators balances load splitting and uses residual charge to avoid weaker-pack shutdown.

Voltage balancing feedback and instantaneous discharge expose contact-defective battery modules without battery pack disassembly.

A control objective map assigns unit-level current references to balance retired EV battery capacities on a shared DC bus and extend BESS life.

An external charge regulator and high-resistance wire enable fast parallel charging of distributed batteries while limiting heat and power loss.

Switch units and a control circuit reroute healthy battery branches to keep faulty strings operating and reduce resource waste.

Target SOC control aligns existing and new LFP batteries by SOH before connection, preventing repeated balancing in the plateau region.

A single microprocessor-controlled circuit handles cell self-discharge and voltage equalization, cutting battery pack complexity, cost, and safety risk.

Transformer-based active balancing shifts charge between battery cells with PWM control to cut heat loss and simplify pack circuitry.

A motor-driven generator recharges alternating internal batteries during use, avoiding charger downtime and low-battery tool risk.

A switch matrix routes cells to resistor discharge or transformer charging units, simplifying battery voltage equalization and MOS drive circuits.

A switched intermediate-node layout balances battery cell groups at high power without auxiliary storage, reducing weight and circuit complexity.

Parasitic wire resistance skews cell voltage during balancing; this case extracts and compensates it to improve SOC estimation and fault detection.

Voltage-based pairing and pack-level control let second-life EV batteries work efficiently in series-parallel storage while lowering cost.

Dynamic cell-group wiring and local control enable fast charging while limiting voltage, current, and temperature stress to extend battery life.

Switchable battery modules reconfigure by charge and voltage state to cut pack weight and complexity while holding target output voltage.