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TPS65160A
Polarización LCD de 4 canales (Ilim mínimo elevador de 2.8 A hasta 17.5 V, Ilim mínimo elevador de 2
Hoja de datos
TPS65160A
- 8-V to 14-V Input Voltage Range
- VS Output Voltage Range up to 20 V
- 1% Accurate Boost Converter With 2.8-A Switch Current
- 1.5% accurate 1.8-A Step-Down Converter
- 500-kHz/750-kHz Fixed Switching Frequency
- Negative Charge Pump Driver for VGL
- Positive Charge Pump Driver for VGH
- Adjustable Sequencing for VGL, VGH
- Gate Drive Signal to Drive External MOSFET
- Internal and Adjustable Soft Start
- Short-Circuit Protection
- 23-V (TPS65160) Overvoltage Protection
- 19.5-V (TPS65160A) Overvoltage Protection
- Thermal Shutdown
- Available in HTSSOP-28 Package
The TPS65160 offers a compact power supply solution to provide all four voltages required by thin-film transistor (TFT) LCD panel. With its high current capabilities, the device is ideal for large screen monitor panels and LCD TV applications.
The device can be powered directly from a 12-V input voltage generating the bias voltages VGH and VGL, as well as the source voltage VS and logic voltage for the LCD panels. The device consists of a boost converter to provide the source voltage VS and a step-down converter to provide the logic voltage for the system. A positive and a negative charge-pump driver provide adjustable regulated output voltages VGL and VGH to bias the TFT. Both boost and step-down converters, as well as the charge-pump driver, operate with a fixed switching frequency of 500 kHz or 750 kHz, selectable by the FREQ pin. The TPS65160 includes adjustable power-on sequencing. The device includes safety features like overvoltage protection of the boost converter and short-circuit protection of the buck converter, as well as thermal shutdown. Additionally, the device incorporates a gate drive signal to control an isolation MOSFET switch in series with VS or VGH. See the application circuits at the end of this data sheet.
Documentación técnica
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Ver todo 8 | Tipo | Título | Fecha | ||
|---|---|---|---|---|
| * | Data sheet | Bias Power Supply for TV and Monitor TFT LCD Panel datasheet (Rev. C) | 05 mar 2013 | |
| 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 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 jun 2018 | ||
| Application note | Generation of a VCOM buffer input using PWM signal | 21 dic 2015 | ||
| 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 | ||
| Application note | Bias Power Supply for TV and Monitor TFT LCD Panels Using the TPS65160 | 13 jun 2006 |
Diseño y desarrollo
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| Paquete | Pasadores | Descargar |
|---|---|---|
| HTSSOP (PWP) | 28 | Ver opciones |
Pedidos y calidad
Información incluida:
- RoHS
- REACH
- Marcado del dispositivo
- 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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