The XBL65 series includes three chip models: XBL6501 packaged in TO-220-5/TO263-5, XBL6502 packaged in SOT23-6, and XBL6503 packaged in SOP8. In terms of performance, the maximum output current of XBL6501 and XBL6503 can reach 5A, while the maximum output current of XBL6502 is 3A. All three chips feature a high switching frequency of up to 380kHz and outstanding efficiency with a peak value of 93%.  

      All of them are DC-DC step-down chips with a wide input voltage range of 4.5V~60V, capable of meeting power conversion requirements for diverse application scenarios. They serve as the ideal power solution for industrial robots, vehicle chargers, automotive lighting systems, POE network equipment, server power management, DC inverter air conditioner power supplies and other devices. Taking XBL6503 as an example, the following content will focus on introducing the application advantages of the XBL65 Series.

      Wide Input Voltage Range: XBL6503 supports a wide input voltage of 4.5V-60V, enabling it to adapt to various power input conditions and operate stably whether for battery-powered devices or industrial control systems.  

      High Current Output Capacity: The large current output capacity of 5A can meet the power demands of high-power devices and deliver stable power supply for equipment.  

      High Efficiency Conversion: Adopting advanced switching mode conversion technology, XBL6503 achieves a maximum conversion efficiency of 93%, which effectively reduces energy consumption and improves the overall system performance and battery life.  

      Multiple Protection Functions: To ensure the safe and stable operation of the chip and system, XBL6503 integrates various protection functions including over-current protection and over-temperature protection. It can respond promptly under various abnormal conditions to prevent chip damage and system failures.  

      Built-in Switching MOSFET: The design of built-in switching MOSFET simplifies the peripheral circuits of the power chip, reduces the quantity and complexity of external components, and delivers superior thermal and electrical performance.

POE Network Devices:  

1.The XBL6503 chip can realize high-efficiency power conversion inside POE devices with an efficiency up to 93%. It means when converting the input 48V POE voltage into the voltage required by equipment, the chip can minimize energy loss and improve the utilization efficiency of electric energy.  

2.The maximum output current of the XBL6503 chip is 5A, which can meet the high-power requirements of POE devices. For high-power-demanding POE equipment such as high-power wireless access points and network cameras, XBL6503 can supply sufficient current to guarantee the stable operation of devices.  

3.The XBL6503 chip adopts SOP8 package featuring compact size. When applied in POE devices, this small-form-factor packaged chip can save PCB board space and enable more compact device design. This brings great significance to POE devices with strict volume and space constraints.

Automotive Electronic Systems:

1.Fast Response and Transient Performance: The XBL65 series can respond rapidly to load variations, ensuring the system runs stably during vehicle startup or voltage sudden fluctuations.

2.Low Ripple and High Stability: This chip delivers low-ripple output to guarantee stable output voltage and prevent system anomalies. Meanwhile, it reduces electromagnetic interference and enhances system stability.

Industrial Control:

1.Multi-scenario Adaptability: XBL6503 is applicable to a wide range of industrial control scenarios including PLC controllers, drivers, sensor power supply and distributed power systems. It is able to satisfy the demands of equipment with different voltage levels and power ratings.  

2.Low Ripple and High Stability: XBL6503 can provide low-ripple output current to ensure power stability for industrial control equipment. In addition, it cuts down electromagnetic interference and improves overall system stability.  

3.Fast Response and Transient Performance: XBL6503 can quickly respond to load changes, ensuring the system operates steadily even when encountering voltage surges or load fluctuations in industrial control applications.

      With the continuous advancement of electronic technologies, 60V DC-DC power supply chips keep undergoing constant innovation and upgrading. In the future, 60V DC-DC chips will evolve toward higher efficiency, greater power density and smaller form factors to meet surging market demands. The XBL65 series launched by Xinbole features outstanding merits including high withstand voltage, large current capacity, ultra-fast dynamic response and low ripple, setting a new benchmark for the development of power management ICs.