LNBH25SPQR - STMicroelectronics

Manufacturer Part Number

LNBH25SPQR

Manufacturer

STMicroelectronics

Introduction

The LNBH25SPQR is a specialized power management integrated circuit designed for satellite set-top box receivers.

Product Features and Performance

Integrated DiSEqC 2.x interface

Low-power consumption

Overload and over-temperature protection

22 kHz tone generator for LNB control

I²C interface for status reporting and control

Selectable output voltage (13V, 18V) for polarity switching

Gate drive for external MOSFET switch

Product Advantages

High integration reduces BOM count and system complexity

Efficient power conversion ensures lower heat dissipation

Built-in protections extend product life and ensure safe operation

Precision voltage regulation for improved receiver performance

Key Technical Parameters

Voltage - Input: 8V to 16V

Number of Outputs: 1

Voltage - Output: Adjustable 13V, 18V

Operating Temperature: 0°C to 85°C

Mounting Type: Surface Mount

Package / Case: 24-VFQFN Exposed Pad

Supplier Device Package: 24-QFN (4x4)

Quality and Safety Features

Overcurrent and short-circuit protection mechanisms

Thermal shutdown feature with hysteresis

Meets stringent quality and reliability standards

Compatibility

Designed for use with analog and digital satellite STB receivers

A universal solution for SatTV applications

Application Areas

Satellite set-top boxes (STB)

Satellite TV (SatTV) reception systems

Converter units for satellite signal processing

Product Lifecycle

Active product status

Not indicated as nearing discontinuation

Replacements or upgrade availability upon market demand

Several Key Reasons to Choose This Product

Optimized for power management in satellite TV applications

Supports latest DiSEqC communication protocol standards

Provides flexible control over the LNB voltage for signal polarization

Integration of multiple features saves space and simplifies design

High reliability enhances customer satisfaction and reduces service costs

Support and documentation available from STMicroelectronics's robust technical resources