Inicio Gestión de la energía AC/DC & DC/DC converters (integrated FET)
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Gestión de la energía
AC/DC & DC/DC converters (integrated FET)

TPS65233-1

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Regulador de tensión LNB con administración de energía IC (PMIC) de interfaz I2C y 1 MHz

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TPS65233-1

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Detalles del producto

Iout (max) (A) 1 Vin (min) (V) 4.5 Vin (max) (V) 20 Topology Buck Switching frequency (max) (kHz) 528 Features Comm control Vout (max) (V) 18.6 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0105
Iout (max) (A) 1 Vin (min) (V) 4.5 Vin (max) (V) 20 Topology Buck Switching frequency (max) (kHz) 528 Features Comm control Vout (max) (V) 18.6 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0105
WQFN (RTE) 16 9 mm² 3 x 3
  • Complete Integration Solution for LNB and 2C
  • DiSEqC 1.x Compatible
  • Supports 9-V and 12-V Power us
  • Up to 1000-mA Accurate Output Current Limit
    Adjustable by External esistor and I2C
  • Boost Converter With Low dson Internal Power
    Switch
  • Dedicated Enable Pin for Non-I2C Application
  • Low Noise, Low Drop Output With ush-Pull
    Output Stage
  • Built-In Accurate 22-kHz Tone Generator or
    External Pin
  • Adjustable Soft-Start and 13-V/18-V Voltage
    Transition Time
  • Compliant With Main Satellite Receiver Systems
    Specifications
  • LNB Short Circuit Dynamic Protection
  • Diagnostics for Output Voltage Level, Input Supply
    UVLO, and DiSEqC Tone Output
  • Cable Disconnect Diagnostic
  • Available in a 16-Pi WQFN 3.00-mm×mm
    (RTE) Package
  • Complete Integration Solution for LNB and 2C
  • DiSEqC 1.x Compatible
  • Supports 9-V and 12-V Power us
  • Up to 1000-mA Accurate Output Current Limit
    Adjustable by External esistor and I2C
  • Boost Converter With Low dson Internal Power
    Switch
  • Dedicated Enable Pin for Non-I2C Application
  • Low Noise, Low Drop Output With ush-Pull
    Output Stage
  • Built-In Accurate 22-kHz Tone Generator or
    External Pin
  • Adjustable Soft-Start and 13-V/18-V Voltage
    Transition Time
  • Compliant With Main Satellite Receiver Systems
    Specifications
  • LNB Short Circuit Dynamic Protection
  • Diagnostics for Output Voltage Level, Input Supply
    UVLO, and DiSEqC Tone Output
  • Cable Disconnect Diagnostic
  • Available in a 16-Pi WQFN 3.00-mm×mm
    (RTE) Package

Designed for analog and digital satellite receivers, the TPS65233-1 is a monolithic voltage regulator with I2C interface, specifically to provide the 13-V/18-V power supply and the 22-kHz tone signaling to the LNB down-converter in the antenna dish or to the multi-switch box. It offers a complete solution with very low component count, low power dissipation together with simple design and I2C standard interfacing.

TPS65233-1 features high power efficiency. The boost converter integrates a 120-mΩ power MOSFET running at 1-MHz switching frequency. Drop out voltage at the linear regulator is 0.8 V to minimize power loss. TPS65233-1 provides multiple ways to generate the 22-kHz signal. Integrated linear regulator with push-pull output stage generates clean 22-kHz tone signal superimposed at the output even at zero loading. Current limit of linear regulator can be programmed by external resistor with ±10% accuracy. Full range of diagnostic read by I2C is available for system monitoring.

The part is available in a 16-pin WQFN 3.00-mm × 3.00-mm (RTE) package.

Designed for analog and digital satellite receivers, the TPS65233-1 is a monolithic voltage regulator with I2C interface, specifically to provide the 13-V/18-V power supply and the 22-kHz tone signaling to the LNB down-converter in the antenna dish or to the multi-switch box. It offers a complete solution with very low component count, low power dissipation together with simple design and I2C standard interfacing.

TPS65233-1 features high power efficiency. The boost converter integrates a 120-mΩ power MOSFET running at 1-MHz switching frequency. Drop out voltage at the linear regulator is 0.8 V to minimize power loss. TPS65233-1 provides multiple ways to generate the 22-kHz signal. Integrated linear regulator with push-pull output stage generates clean 22-kHz tone signal superimposed at the output even at zero loading. Current limit of linear regulator can be programmed by external resistor with ±10% accuracy. Full range of diagnostic read by I2C is available for system monitoring.

The part is available in a 16-pin WQFN 3.00-mm × 3.00-mm (RTE) package.
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Documentación técnica

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* Data sheet TPS65233-1 LNB Voltage Regulator With I2C Interface datasheet PDF | HTML 18 sep 2015

Diseño y desarrollo

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Placa de evaluación

TPS65233EVM — Módulo de evaluación TPS65233 de regulador de tensión LNB con interfaz I2C

The Texas Instruments TPS65233EVM evaluation module (EVM) helps designers evaluate the performance of the TPS65233 LNB Voltage Regulator with I2C Interface. Designed for analog and digital satellite receivers, the TPS65233 is a monolithic voltage regulator. It includes an I2C interface to provide (...)
Guía del usuario: PDF
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Paquete Pasadores Descargar
WQFN (RTE) 16 Ver opciones
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Pedidos y calidad

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  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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