STMicroelectronics LNBH29PTR Product Overview

The LNBH29PTR from STMicroelectronics is a state-of-the-art device designed for driving the LNB (Low Noise Block) in satellite reception systems. It is part of the LNBH29 series, which are monolithic voltage regulators and interface ICs, specifically tailored for supplying and controlling satellite dish LNBs both in analog and digital satellite receiver systems.

Key Features

• Integrated Power Diodes: The LNBH29PTR incorporates built-in power diodes, providing enhanced protection against power surges, thus ensuring reliability and longevity of the system.
• DiSEqC 2.x Compliant: This device supports DiSEqC 2.x communication protocol, allowing for bi-directional communication between the satellite receiver and the LNB, which is essential for controlling multi-satellite dishes.
• I²C Interface: Equipped with an I²C-compatible interface, the LNBH29PTR allows for seamless integration with a microcontroller, facilitating easy control over the LNB settings.
• Low-Power Consumption: The device is designed for efficiency, with a low-power consumption profile that helps reduce the overall energy requirements of the satellite system.
• High Output Current Capability: It is capable of delivering high output current, which is necessary to ensure stable operation of the LNB under varying load conditions.

Applications

The LNBH29PTR is suitable for a wide range of satellite receiver applications including:

• Satellite set-top boxes (STBs)
• Direct broadcast satellite (DBS) applications
• Personal video recorders (PVRs)
• Home gateways for satellite TV distribution

Technical Specifications

• Supply Voltage Range: 8V to 15V
• Output Voltage Adjustment: 13V / 18V for polarization switching
• Tone Oscillator: 22kHz for band switching
• Package: PowerSSO-24 with exposed pad up (EPD)

The LNBH29PTR is an excellent choice for designers looking to create reliable, efficient, and high-performance satellite receiver systems. Its robust feature set and compliance with industry standards make it a versatile and indispensable component in modern satellite communication infrastructures.