Battery Management

Total Path Completion

Master battery technology Li-ion LiPo NiMH lead acid battery charging BMS protection circuits voltage monitoring current sensing SOC SOH balancing safety.

batteryBMSchargingcellbalancingSOC

Phase 1: Electrochemistry & Battery Metrics

Cell Chemistries & Specifications

Master battery metrics across Li-ion, LiPo, LiFePO4, internal resistances, and nominal/cutoff curves.

Series & Parallel Configurations

Design composite battery pack arrays, configure cell configurations, and manage current division.

Phase 2: Charging Methodologies & Dedicated ICs

Constant Current / Constant Voltage Charging

Implement the CC-CV charging profile, configure trickle charges, and monitor termination currents.

Dedicated Charger ICs & Controllers

Interface charger controllers like TP4056 and configure charge current limits using programming resistors.

Phase 3: BMS Hardware Protection Circuits

Over/Under Voltage & Overcurrent Protection

Analyze dedicated BMS protection ICs, configure charge/discharge MOSFETs, and implement hardware overrides.

NTC Thermistor Thermal Protection

Design thermistor resistor dividers, convert ADC values to temperature, and configure safety cutoffs.

Phase 4: Fuel Gauging & State Estimation

Current Sensing & Coulomb Counting

Configure low-side shunt current monitors, run coulomb integration loops, and estimate state of charge.

Dedicated Fuel Gauge ICs

Interface dedicated fuel gauges using I2C/SMBus and query battery state metrics.

Phase 5: Active/Passive Cell Balancing & Thermal Safety

Passive & Active Cell Balancing

Design passive resistor-bypass balance arrays, study active capacitor-switching balancers, and manage pack voltages.

Thermal Runaway Mitigation

Analyze chemical failure triggers, design pack spacing barriers, and configure structural fuse layers.