TPS65105PWPR
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Texas Instruments TPS65105PWPR

Manufacturer No:
TPS65105PWPR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC REG CTRLR TFT 4OUT 24HTSSOP
Delivery:
Payment:
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Product Introduction

Overview

The TPS65105PWPR, produced by Texas Instruments, is a triple output LCD supply with a linear regulator and VCOM buffer. This device is designed to provide a compact and efficient power supply solution for thin film transistor (TFT) LCD displays. It integrates a main boost converter, positive and negative charge pumps, and a linear regulator controller, making it a comprehensive solution for various display applications.

Key Specifications

Parameter Min Typ Max Unit
Input Voltage Range 2.7 - 5.8 V
Switching Frequency - 1.6 - MHz
Boost Converter Output Voltage (VO1) 5 - 15 V
Boost Converter Output Current (VO1) - - 350 mA
Negative Charge Pump Output Voltage (VO2) -12 - -12 V
Negative Charge Pump Output Current (VO2) - - 20 mA
Positive Charge Pump Output Voltage (VO3) - - 30 V
Positive Charge Pump Output Current (VO3) - - 20 mA
Linear Regulator Output Voltage (VO4) 3.2 3.3 3.4 V
Linear Regulator Output Current (VO4) - - 500 mA
Switch Current Limit (TPS65105) 0.96 1.37 1.56 A
Thermal Shutdown Temperature - - 160 °C

Key Features

  • 1.6-MHz fixed switching frequency for the boost converter, allowing for small external components.
  • Three independent adjustable outputs: VO1 (up to 15 V), VO2 (down to -12 V), and VO3 (up to 30 V).
  • Integrated VCOM buffer for powering the LCD backplane.
  • Auxiliary 3.3-V linear regulator controller for generating a logic power rail.
  • Internal soft start and power-on sequencing to avoid heavy voltage drops.
  • Fault detection and thermal shutdown for enhanced safety (except TPS65101).
  • Virtual Synchronous Converter Technology for improved load transient response.
  • Available in TSSOP-24 and VQFN-24 PowerPAD™ packages.

Applications

  • TFT LCD displays for notebooks and monitors.
  • Portable DVD players.
  • Tablet PCs.
  • Car navigation systems.
  • Industrial displays.

Q & A

  1. What is the input voltage range of the TPS65105PWPR? The input voltage range is from 2.7 V to 5.8 V.
  2. What is the switching frequency of the boost converter? The switching frequency is fixed at 1.6 MHz.
  3. What are the output voltages and currents of the boost converter (VO1)? The output voltage range is from 5 V to 15 V, with a maximum current of 350 mA.
  4. Does the TPS65105PWPR have built-in fault detection? Yes, except for the TPS65101 variant, which does not have fault detection.
  5. What is the purpose of the integrated VCOM buffer? The VCOM buffer is used to power the LCD backplane.
  6. Can the TPS65105PWPR generate a 3.3-V logic power rail? Yes, it includes an auxiliary 3.3-V linear regulator controller for this purpose.
  7. What are the package options for the TPS65105PWPR? It is available in TSSOP-24 and VQFN-24 PowerPAD™ packages.
  8. What is the thermal shutdown temperature of the TPS65105PWPR? The thermal shutdown temperature is 160°C.
  9. Does the TPS65105PWPR have internal soft start and power-on sequencing? Yes, it includes internal soft start and power-on sequencing to avoid heavy voltage drops.
  10. What is the typical switch current limit for the TPS65105PWPR? The typical switch current limit is 1.37 A.

Product Attributes

Applications:Controller, TFT LCD
Voltage - Input:2.7V ~ 5.8V
Number of Outputs:4
Voltage - Output:Multiple
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:24-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package:24-HTSSOP
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Similar Products

Part Number TPS65105PWPR TPS65100PWPR TPS65101PWPR TPS65105PWP
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active
Applications Controller, TFT LCD Controller, TFT LCD Controller, TFT LCD Controller, TFT LCD
Voltage - Input 2.7V ~ 5.8V 2.7V ~ 5.8V 2.7V ~ 5.8V 2.7V ~ 5.8V
Number of Outputs 4 4 4 4
Voltage - Output Multiple Multiple Multiple Multiple
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 24-TSSOP (0.173", 4.40mm Width) Exposed Pad 24-TSSOP (0.173", 4.40mm Width) Exposed Pad 24-TSSOP (0.173", 4.40mm Width) Exposed Pad 24-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package 24-HTSSOP 24-HTSSOP 24-HTSSOP 24-HTSSOP

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