Battery Management Systems

Intelligent control for maximum battery performance

The BMS is the “brain” of every battery unit and monitors all relevant parameters such as voltage, current, and temperature. It ensures optimal use of the battery and protects it from overload, overheating, and deep discharge.

Through precise cell balancing and state-of-charge calculation, the BMS ensures a long service life and maximum safety. It detects errors at an early stage and controls charging and discharging processes efficiently. Indispensable for applications ranging from home storage to high-performance energy systems.

For demanding energy storage solutions, the BMS also offers interfaces for communication and integration into higher-level systems. This ensures reliable control and safe interaction of all components. The basis for a sustainable energy supply.

Key Products

Sunlord

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Inductors(0.08μH – 650μH, 0,35A – 1000A)

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Common Mode Choke (9uH – 200uH, 70mA – 1200mA)

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Transformers (6.6KW – 22KW Aplications)

PN Junction Semiconductor

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SiC MOSFETs (750Vdc, RDSon ≥ 8mΩ 1200Vdc, RDSon ≥ 13mΩ)

Faratronic

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DC-Link Capacitors 5μF - 140μF, 500Vdc – 1200Vdc*

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Filter - Capacitors 0.001μF - 25μF, 300Vac – 760Vac*

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Snubber Capacitos 0.047μF - 10μF, 630Vdc – 3000Vdc

Chemi-Con

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Al Electrolytic Capacitor (1μF – 120mF, 4Vdc – 600Vdc)

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Multilayer Ceramic Capacitor (1μF – 470μmF, 25Vdc – 500Vdc)

Kerafol

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Gap Filler Liquids (1.5W/mK – 4.3W/mK)

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Gap Pads (1.2W/mK – 6.0W/mK)

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Thermal Foils (1.1W/mK – 6.5W/mK)

Recodeal

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HV Connectors (250A – 600A, 1000Vdc)

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Signal Connectors (5A – 13A, 400Vdc)*

* Specifications for off the shelf components. Customized components available.

Sanyou

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HVDC - Relais (150A – 600A, 1000Vdc - 1500Vdc)

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HVAC - Relais (10A – 270A, 250Vac - 1500Vac)

S4 Sensors

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Lateral Sensitive Hall-Effect Current Sensors
(Magnetic sensitivity range: 5 - 844mV/mT,
signal bandwidth: 16 - 250kHz)

Our Applications

Traction Inverter

On-Board Charger

DC-DC-Converter

Battery Management Systems