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Controladores y alimentación para pantallas LCD y OLED

TPS65177A

ACTIVO

IC de polarización LCD de 6 canales totalmente programable I2C para televisores de todos los tamaños

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TPS65177A

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Detalles del producto

Display type LCD unipolar IC integration LCD bias Vin (min) (V) 8.6 Vin (max) (V) 14.7 Applications 13 to 21 inches, 21 inches and above Source driver voltage (min) (V) 13.5 Source driver voltage (max) (V) 19.8 Level shifter/scan driver (Ch) 0 V_POS (min) (V) 20 V_POS (max) (V) 40 V_NEG (min) (V) -14.5 V_NEG (max) (V) -5.5 Features GPM or GVS, HAVDD, I2C interface, Temperature sensor or compensation Topology Boost, Buck Rating Catalog Operating temperature range (°C) -40 to 150
Display type LCD unipolar IC integration LCD bias Vin (min) (V) 8.6 Vin (max) (V) 14.7 Applications 13 to 21 inches, 21 inches and above Source driver voltage (min) (V) 13.5 Source driver voltage (max) (V) 19.8 Level shifter/scan driver (Ch) 0 V_POS (min) (V) 20 V_POS (max) (V) 40 V_NEG (min) (V) -14.5 V_NEG (max) (V) -5.5 Features GPM or GVS, HAVDD, I2C interface, Temperature sensor or compensation Topology Boost, Buck Rating Catalog Operating temperature range (°C) -40 to 150
VQFN (RHA) 40 36 mm² 6 x 6
  • Enable / Disable
    • TPS65177: VI power cycle
    • TPS65177A: VI power cycle or EN-pin
  • 8.6-V to 14.7-V Input Voltage Range
  • Non-Synchronous Boost Converter (V(AVDD))
    • Integrated Isolation Switch
    • 13.5-V to 19.8-V Output Voltage (I2C)
    • 15-V Default Output Voltage
    • 4.25-A Switch Current Limit (I2C)
    • High Voltage Stress Mode (I2C)
  • Synchronous Buck Converter (V(HAVDD))
    • 4.8-V to 11.1-V Output Voltage (I2C)
    • 7.5-V Default Output Voltage
    • 1.7-A Switch Current Limit
    • High Voltage Stress Mode (I2C)
  • Non-Synchronous Buck Converter (V(IO))
    • 2.2-V to 3.7-V Output Voltage (I2C)
    • 2.5-V Default Output Voltage
    • 3-A Switch Current Limit
  • Synchronous Buck Converter (V(CORE))
    • 0.8-V to 3.3-V Output Voltage (I2C)
    • 1-V Default Output Voltage
    • 2.5-A Switch Current Limit
  • Positive Charge-Pump Controller (V(GH))
    • 20-V to 40-V Output Voltage (I2C)
    • 28-V Default Output Voltage
    • Temp. Compensation Offset 0-V to 15-V (I2C)
    • 4-V Default Offset (28 V to 32 V)
  • Negative Charge-Pump Controller (V(GL))
    • –14.5-V to –5.5-V Output Voltage (I2C)
    • –7.9-V Default Output Voltage
  • Gate Pulse Modulation (GPM)
    • Down to 0-V, 5-V, 10-V or 15-V (I2C)
    • 0-V Default Discharge Voltage
  • Temperature Compensation for V(GH)
  • Thermal Shutdown
  • I2C Compatible Interface
  • EEPROM Memory
  • 6-mm × 6-mm × 1-mm 40-Pin VQFN Package
  • Enable / Disable
    • TPS65177: VI power cycle
    • TPS65177A: VI power cycle or EN-pin
  • 8.6-V to 14.7-V Input Voltage Range
  • Non-Synchronous Boost Converter (V(AVDD))
    • Integrated Isolation Switch
    • 13.5-V to 19.8-V Output Voltage (I2C)
    • 15-V Default Output Voltage
    • 4.25-A Switch Current Limit (I2C)
    • High Voltage Stress Mode (I2C)
  • Synchronous Buck Converter (V(HAVDD))
    • 4.8-V to 11.1-V Output Voltage (I2C)
    • 7.5-V Default Output Voltage
    • 1.7-A Switch Current Limit
    • High Voltage Stress Mode (I2C)
  • Non-Synchronous Buck Converter (V(IO))
    • 2.2-V to 3.7-V Output Voltage (I2C)
    • 2.5-V Default Output Voltage
    • 3-A Switch Current Limit
  • Synchronous Buck Converter (V(CORE))
    • 0.8-V to 3.3-V Output Voltage (I2C)
    • 1-V Default Output Voltage
    • 2.5-A Switch Current Limit
  • Positive Charge-Pump Controller (V(GH))
    • 20-V to 40-V Output Voltage (I2C)
    • 28-V Default Output Voltage
    • Temp. Compensation Offset 0-V to 15-V (I2C)
    • 4-V Default Offset (28 V to 32 V)
  • Negative Charge-Pump Controller (V(GL))
    • –14.5-V to –5.5-V Output Voltage (I2C)
    • –7.9-V Default Output Voltage
  • Gate Pulse Modulation (GPM)
    • Down to 0-V, 5-V, 10-V or 15-V (I2C)
    • 0-V Default Discharge Voltage
  • Temperature Compensation for V(GH)
  • Thermal Shutdown
  • I2C Compatible Interface
  • EEPROM Memory
  • 6-mm × 6-mm × 1-mm 40-Pin VQFN Package

The TPS65177/A provides all supply rails needed by a GIP (Gate-in-Panel) or non-GIP TFT-LCD panel. All output voltages are I2C programmable.

V(IO) and V(CORE) for the T-CON, V(AVDD) and V(HAVDD) for the Source Driver and the Gamma Buffer, V(GH) and V(GL) for the Gate Driver or the Level Shifter. For use with non-GIP technology Gate Pulse Modulation (GPM) is implemented, for use with GIP technology the V(GH) rail can be temperature compensated. Furthermore a High Voltage Stress Mode (HVS) for V(AVDD) and V(HAVDD) and an integrated V(AVDD) Isolation Switch is implemented. V(CORE), V(HAVDD), V(GH), V(GL), GPM and the V(GH) temperature compensation can be enabled and disabled by I2C programming.

A single BOM (Bill of Materials) can cover several panel types and sizes whose desired output voltage levels can be programmed in production and stored in a non-volatile integrated memory.

The TPS65177/A provides all supply rails needed by a GIP (Gate-in-Panel) or non-GIP TFT-LCD panel. All output voltages are I2C programmable.

V(IO) and V(CORE) for the T-CON, V(AVDD) and V(HAVDD) for the Source Driver and the Gamma Buffer, V(GH) and V(GL) for the Gate Driver or the Level Shifter. For use with non-GIP technology Gate Pulse Modulation (GPM) is implemented, for use with GIP technology the V(GH) rail can be temperature compensated. Furthermore a High Voltage Stress Mode (HVS) for V(AVDD) and V(HAVDD) and an integrated V(AVDD) Isolation Switch is implemented. V(CORE), V(HAVDD), V(GH), V(GL), GPM and the V(GH) temperature compensation can be enabled and disabled by I2C programming.

A single BOM (Bill of Materials) can cover several panel types and sizes whose desired output voltage levels can be programmed in production and stored in a non-volatile integrated memory.
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Documentación técnica

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Tipo Título Fecha
* Data sheet TPS65177/A Fully I2C Programmable 6-CH LCD Bias IC for all Size TV Including Gate Pulse Modulation datasheet (Rev. C) PDF | HTML 17 feb 2016
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML 28 oct 2022
Application note Understanding Undervoltage Lockout in Power Devices (Rev. A) 19 sep 2018
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 ago 2015
Application note Minimizing Ringing at the Switch Node of a Boost Converter 15 sep 2006

Diseño y desarrollo

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Pedidos y calidad

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  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
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  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
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  • Lugar de fabricación
  • Lugar de ensamblaje

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