Residential battery energy storage system

Residential Battery Energy Storage Systems (BESS) are becoming an increasing critical component in household energy structures as we transition to a digitalized, decentralized, and decarbonized energy infrastructure. A typical residential BESS comprises lithium-ion batteries, a bidirectional inverter for DC to AC conversion, and smart energy management. They can either be added as a standalone expansion to an existing photovoltaic (PV) installation, requiring a separate bidirectional DC/AC inverter. Increasingly residential BESS are being installed as part of an integrated home energy system often comprising the BESS, PV installation and EV wallbox.

框圖
Design considerations
Product listing
Videos
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框圖

Highlighted components are Nexperia focus products.

Battery Management System

DC/DC Conversion

ESD protection

Bidirectional DC/AC conversion

AC EV wallbox

Related applications (1)

AC EV wallbox

Aux power supply

Control logic

Control, data, comms

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Design considerations

A residential hybrid solar inverter is typically a DC-coupled system where the solar inverter and bidirectional battery charger are integrated into a compact package due to moderate voltage and current.
Topologies and products that can operate in both power flows should be considered, such as T-NPC and bidirectional Buck-Boost converters with 650 V or 1200 V IGBTs, GaN FETs or SiC MOSFETs.
Additionally, it’s impossible to achieve the same performance in both directions, so it is necessary to determine the core function before starting the design.
A BMS – containing elements like MCU, AFE (Analog Front End), fuel gauge, external switches, and passives – is always crucial to a battery-based system. In a residential BESS typical battery voltage ranges from less than 100 V to more than 400 V (dependent on use case and topology used).
A BMS is always crucial to a battery-based system. It’s a complex system containing elements like MCU, AFE (Analog Front End), fuel gauge, external switches, and passives. The typical battery voltage in a residential BESS ranges from less than 100 V to more than 400 V. The actual solution will be eventually decided by different user cases.

Product listing

Improve accuracy of AOI in PCB production by using modern package technology

To enhance AOI Nexperia has introduced its new lead shape which is featured in packages such as the CFP15B and CFP2-HP. Watch this video and learn how this new lead shape delivers a more uniform solder joint which is easier to detect with AOI.

雙極性晶體管

二極管

ESD保護(hù)、TVS、濾波和信號(hào)調(diào)節(jié)ESD保護(hù)

MOSFET

氮化鎵場(chǎng)效應(yīng)晶體管(GaN FET)

絕緣柵雙極晶體管(IGBTs)

模擬和邏輯IC

汽車(chē)應(yīng)用認(rèn)證產(chǎn)品(AEC-Q100/Q101)