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

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.

Key Features

  • Complete interface between LNB and I2 C 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 I2 C diagnostic bits
  • LNB short-circuit dynamic protection
  • RoHS compliant

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设计

技术文档

产品规格
Description Version Size
DB1845 DB1845: DiSEqC 1.X-compliant dual LNB supply and control IC based on the LNBH26 1.1 144 KB

硬件资源

Board Manufacturing Specifications
Description Version Size
STEVAL-CBL011V1 gerber files 1.0 90 KB
Bill of Materials
Description Version Size
STEVAL-CBL011V1 BOM 1.0 49 KB
Schematic Packs
Description Version Size
STEVAL-CBL011V1 schematics 1.0 72 KB

法律

许可协议
Description Version Size
Evaluation products license agreement 1.0 125 KB
支持和社区

样片和购买

型号 Core Product Marketing Status Unit Price (US$) * Quantity ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
STEVAL-CBL011V1 LNBH26 Active 49.00 1 NEC EAR99 ITALY MORE INFO 直接购买 Add to cart DISTRIBUTOR AVAILABILITY
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(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

质量和可靠性

型号 Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STEVAL-CBL011V1 ActiveCARDIndustrialEcopack2
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(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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