The LNBP10SP-TR from STMicroelectronics is a monolithic integrated circuit designed to address the needs of modern satellite set-top box (STB) units and Low Noise Block (LNB) converters. This advanced IC is tailored to provide both the controlled supply voltage and the DiSEqC™ 2.x communication interface required for LNB modules in digital satellite equipment.

Key Features

• Integrated Step-Up Converter: The LNBP10SP-TR features a built-in step-up DC-DC converter, enabling it to supply the LNB with a selectable output voltage of either 13V or 18V, accommodating both vertical and horizontal polarization signals.
• High Efficiency: Its design is optimized to provide high efficiency, ensuring minimal power loss during operation and reducing the overall power consumption of the satellite system.
• DiSEqC™ 2.x Compliant: The device supports DiSEqC™ 2.x communication protocol, allowing for bi-directional communication between the STB and the LNB, enabling advanced control and monitoring features.
• Overcurrent and Overtemperature Protection: The LNBP10SP-TR is equipped with protection features to safeguard against overcurrent and overtemperature conditions, enhancing the reliability and longevity of the application.
• Low Drop Post Regulator: The inclusion of a low drop post regulator ensures stable operation even under varying load conditions and input voltages.
• Tone Detection and Shaping: It can detect and shape the 22 kHz tone signal used in satellite systems to switch between different bands and satellites.

Applications

The LNBP10SP-TR is ideally suited for use in a variety of satellite receiver systems. It is commonly deployed in:

• Satellite set-top boxes
• LNB power supply units
• Direct broadcast satellite (DBS) applications
• Multi-switch systems

Quality and Reliability

STMicroelectronics is renowned for its commitment to quality, and the LNBP10SP-TR is no exception. It is manufactured to meet the highest industry standards, ensuring reliable performance in even the most demanding satellite communication environments. The device is available in a compact package, making it suitable for space-constrained applications while providing robust functionality and performance.