onsemi Group launches 1500W heat pump water heater compressor driver solution
Date：June 8, 2025 Views：19
Source: General Assembly Author: General Assembly
On March 11, 2025, Dalianda Holdings, a leading international semiconductor component distributor in the Asia-Pacific market, announced that its Shiping unit launched a 1500W heat pump water heater compressor driver solution based on onsemi's NFAL5065L4BT intelligent power module (IPM).
Figure 1- Display board of onsemi's 1500W heat pump water heater compressor driver solution
The core of carbon reduction is low energy consumption and high conversion efficiency, especially in the field of home appliances, especially in the conversion of electrical energy into heat or cold energy equipment. Heat pump water heater is a kind of efficient heating equipment, which uses a small amount of electric energy to drive the compressor refrigerant, and heats the water through the heat energy generated by the refrigerant state transformation, while discharging the cold air. Compared with traditional mains, natural gas, diesel and other energy sources, the heating efficiency of heat pump water heaters is increased by three times. And thanks to the addition of compressors and drivers, the heat pump water heater also has a higher energy efficiency performance. Based on onsemi's NFAL5065L4BT intelligent power module (IPM), the 1500W heat pump water heater compressor driver solution launched by United Nations World Peace can accelerate the marketization process of energy-efficient home appliances and contribute to the goal of carbon neutrality.
Figure 2- Scenario application diagram of 1500W heat pump water heater compressor driver solution based on onsemi products
The NFAL5065L4BT intelligent power module integrates a three-phase half-bridge Gate Driver, six IGBTs, a thermistor and three boot diodes, and is suitable for driving permanent magnet synchronous motors (PMSM), brushless DC motors (BLDC) and AC asynchronous motors (ACIM) and compressors. The IGBT is configured in a three-phase bridge with separate emitter output pins in the lower arm to monitor individual currents for maximum flexibility in selecting control algorithms, and has integrated emitter output pins for setting overcurrent protection. At the same time, the module has a comprehensive protection function, including the input control signal interlock protection function, external shutdown and undervoltage lock function. In addition, to enhance the flexibility and safety of the design, the module is equipped with internal comparators and voltage reference sources, which are connected to the external overcurrent protection circuit, so that the designer can easily set and adjust the level of overcurrent protection, thereby ensuring the stable operation of the motor and compressor, optimizing the energy efficiency and reliability of the system.
Figure 3- Block diagram of the 1500W heat pump water heater compressor driver solution based on onsemi products
In addition, the solution is also equipped with a number of high-performance products from onsemi. These include bridge rectifier DFB2060, step-down switching regulator NCP3170ADR2G, low voltage differential regulator NCP163ASN330, off-line regulator NCP10671BD100R, bus transceiver MC74ACT245DTG, operational amplifier NCS20081, and diode CM1224-0 4SO, etc. Thanks to the synergy of these products, the solution can improve the overall performance of heat pump water heaters and further promote energy conservation and emission reduction in the home appliance industry.Core technical advantages:
Complete reference design of three-phase motor driver, using DIP-31 package NFAL5065L4BT intelligent power module;
Power input rated 110VAC~220VAC and 1500W drive power;
The motor driver includes EMC filter and rectifier, auxiliary power supply unit, three-phase inverter, measurement and protection, etc.
The three-phase independent current monitoring design allows the user to choose flexibly between using sensorless closed-loop field-oriented control (FOC) and open-loop V/F control.
Project specification:
Voltage: AC 110V ~ 220V;
Preset maximum speed: 2000 RPM;
Maximum output power: about 1500W;
Support motor type: three-phase sensorless BLDC/PMSM;
Speed type: Sensorless sine wave FOC;
Speed control type: VR;
Features: Automatic learning motor ID and SPIN presentation.
About Lianda Holdings:
Founded in 2005 and celebrating its 20th anniversary this year, the company is a leading international distributor of semiconductor components in the Asia Pacific region. Headquartered in Taipei, it owns Shiping, Pinka, Quan Ding and Yousun, employs about 5,000 people, represents more than 250 product suppliers, and has 69 service locations worldwide. In 2024, the turnover reached NT $880.55 billion. The company creates an industrial holding platform, focuses on international operation scale and local flexibility, and cultivates the Asia-Pacific market for a long time. With the vision of "industry's first choice?? Channel benchmark", the company fully carries out the core values of "team, integrity, professionalism and efficiency", has won the "Global Distributor Excellence Award" for 24 consecutive years, and continues to strengthen the sustainable development of ESG. Won international recognition for 3 consecutive years, MSCI ESG rating A award. In the face of new manufacturing trends, DDA is committed to transforming into a Data-Driven enterprise, establishing an online digital platform - "DDA", and advocating the intelligent Logistics as a Service (LaaS) model to help customers jointly face the challenges of intelligent manufacturing. Starting from good intentions, building trust with science and technology, and taking "creating partner value?? To achieve the future" as the corporate purpose, we look forward to building a large competitive and cooperative ecosystem with the industry "Labang and Pai".
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