Index covering chargers (linear/switching/multi-cell/buck-boost/charge-pump fast-charge, USB-C & wireless paths, supercap), fuel gauging & health, protection & cut-off, cell monitoring & balancing, thermal & sensing, BMS master/system blocks, comms & authentication, specialties & energy harvesting, and formation/test/service.
Charging
Single-Cell Linear Charger
CC/CV state machine, JEITA thermal control and ultra-low standby leakage for portables.
Single-Cell Switching Charger (Buck/Boost)
High efficiency with termination/recharge and VBAT↔VSYS power-path management.
Multi-Cell Charger Controller (2S–6S)
Pre/fast charge with balance hooks, gate drivers and current limit/metering.
Buck-Boost Battery Charger
Wide input with seamless VIN–VBAT crossover, system priority and ride-through.
Charge-Pump Fast-Charge (2:1 / 4:1)
Direct HV step-down with low heat; battery-direct safety strategies and fault reporting.
USB-C Sink + Charging Coordination
PPS following, PDO power-share, cable drop compensation and OTG reverse boost.
Advanced Wireless Rx Power Path
Efficiency tuning with fine-grained FOD, thermal zoning and skin-temp limiting.
Supercap Charger / Balancer
Large-current limiting, SOC estimation and balancing for short hold-up.
Flash Booster + Charger Power Mux
Coordinate flash boost with system surges to avoid brown-outs.
Fuel Gauging & Health
Coulomb Counter + OCV Fusion
Zero-drift calibration, temp compensation and online Rin/SOH estimation.
Impedance-Track Fuel Gauge
On-the-fly aging model updates with learning cycles and rest/self-discharge detection.
Stack Fuel Gauge (2S+)
Series-stack V/T capture with cross-cell sync and pack capacity/power prediction.
Battery Black-Box Logger
Capture cycles, peak T/I and anomaly timestamps for serviceability.
Protection & Cut-off
Primary Protector / Pack FET
OC/OV/SC with MOS driving, thermal trip and debounce filtering.
Secondary Protector / Fuse Trigger
Independent OV path, thermal voting and fuse/pyro actuator drives.
Ideal Diode / Power Mux for Battery
Reverse blocking with priority arbitration and low-drop switching.
Insulation / Leakage Monitor (HV)
Measure insulation resistance, fault direction and suppress CM noise.
Cell Monitoring & Balancing
Cell Monitor AFE (3–18S+)
High-accuracy V/T sampling with daisy-chain/isolated comms and sync sampling.
Passive Balancing Driver
Channel scheduling, thermal spread and shutdown/fault detection.
Active Balancer / Charge Shuttle
Inductive/capacitive transfer to accelerate SOC equalization with efficiency control.
Isolated Stack Comm (isoSPI/CAN-FD)
High-CMTI comms with transient suppression and chain-integrity checks.
Thermal & Sensing
Multi-Point NTC/RTD Mux & Readout
Linearization, open/short detection and thermal maps for charge derating.
Chassis/Connector Hotspot Guard
Thermal foldback and port derating with charge-vs-use prioritization.
Pack Pressure / Leak Detection
Pressure/gas AFEs with thresholds/alarms and maintenance logging.
BMS Master & System Functions
BMS Master MCU (Safety)
Safety cores, redundant ADC/comparators, BIST/self-test and fault voting.
Contactor & Pre-Charge Driver
Coil drive with feedback, spark/surge suppression and power-up sequencing.
HV Aux Bias for BMS
Isolated flyback/push-pull with secondary regulation and ride-through logging.
Edge–Cloud Battery Analytics
Telemetry/alerts, model updates and signed safety metering.
Comms & Authentication
SBS / SMBus Battery Comms
Command/alarm tables, pack identity/serial and firmware update/lock.
Automotive BMS Bus (CAN-FD/LIN)
Diagnostics/UDS, key-based auth and OTA security.
Battery / Adapter Authenticator
Crypto SE with certs for billing/warranty and accessory anti-counterfeit.
Specialties & Energy Harvesting
Nano-Leakage Charger (Wearables)
nA–µA Iq with ship-mode and deep-sleep wake for wearables.
PV/TEG/Vibe Energy-Harvesting Charger
MPPT, ultra-low-VIN cold-start and micro-power storage (thin-film/supercap).
Cold-Start Backup (Locks/Tags)
Mechanical/magnetic triggers with limited emergency power and logging.
Formation, Test & Service
Formation/Cycler Interface IC
Multi-channel DAC/ADC with polarization/pulse profiles and isolated comms.
Factory Cal & Pack NVM
Burn-in impedance/capacity, lifetime counters, key injection and traceability.
Service Discharge & Safe-Down
Controlled discharge with T/SOH constraints and compliance logging.
