STEVAL-CBL011V1

NRND
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DiSEqC 1.X-compliant dual LNB supply and control IC based on the LNBH26

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Overview

Product overview

Description

Description

The STEVAL-CBL011V1 demonstration board implements a DC-DC converter based on ST’s LNBH26 device. It is used to power LNBs in dish antennas to receive satellite TV signals.

The LNBH26 is an integrated solution for supplying/interfacing satellite LNB modules in accordance with international standards.

This single device offers a complete solution for dual-tuner satellite receivers and provides good performance at low cost using a low external component count.

The LNBH26 demonstration board includes an I2C bus interface and a factory-trimmed internal 22 kHz tone generator which can be controlled through the DSQIN pin (TTL compatible). This allows immediate DiSEqC™ data encoding.

Thanks to a fully integrated step-up DC-DC converter, the STEVAL-CBL011V1 demonstration board can operate with a single input voltage supply source, ranging from 8 to 15 V.

  • All features

    • Complete interface between LNB and I2C bus
    • Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.5 A)
    • Selectable output current limit by external resistor
    • Compliant with main satellite receiver output voltage specification (15 programmable levels)
    • Accurate built-in 22 kHz tone generator compliant with widely accepted standards
    • 22 kHz tone waveform integrity guaranteed also in no load condition
    • Low drop post regulator and high efficiency step-up PWM with integrated power N-MOS for low power loss
    • LPM (low power mode) function to reduce dissipation
    • Overload and overtemperature internal protection with I2C diagnostic bits
    • LNB short-circuit dynamic protection
    • RoHS compliant

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The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Marketing description of the package type.Compliancy of the device with industry requirement domains (IRD)The RoHS status of a product:
ECOPACK 1: Initial grade to identify European RoHS compliant products.
ECOPACK 2: New grade to identify brominated chlorinated and antimony oxide flame retardant free products.
ECOPACK 3: Halogen free RoHS exemptions free products.
(*): ECOPACK 2 version available upon request.
(**): Some versions still existing in ECOPACK 1 or not compliant.Compliancy with WEEE Directive (2012/19/EU)The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Budgetary PriceMain country of assembly or fabrication of the product.ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes. ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes.