TPS65145IPWPRQ1 - English Editing Encyclopedia Entry

Product Overview

Category

The TPS65145IPWPRQ1 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to efficiently manage power supply and voltage levels.

Characteristics

• High efficiency: The TPS65145IPWPRQ1 offers high conversion efficiency, ensuring optimal power utilization.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low quiescent current: The IC has low power consumption during standby or idle mode, enhancing energy efficiency.
• Small form factor: The compact package size allows for easy integration into space-constrained designs.

Package and Quantity

The TPS65145IPWPRQ1 is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 1.8V to 5.5V
• Maximum Output Current: 200mA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-14

Pin Configuration

The TPS65145IPWPRQ1 features a 14-pin configuration. The pinout diagram is as follows:

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Pin Number | Pin Name | Function

   1         |        VIN       |   Power Supply Input
   2         |        GND       |   Ground
   3         |        EN        |   Enable Control
   4         |        VCOM      |   Common Voltage Output
   5         |        VGH       |   High Voltage Output
   6         |        VGL       |   Low Voltage Output
   7         |        VPOS      |   Positive Voltage Output
   8         |        VNEG      |   Negative Voltage Output
   9         |        FB        |   Feedback Input
   10        |        SS        |   Soft-Start Control
   11        |        BST       |   Boost Switching Node
   12        |        SW        |   Switching Node
   13        |        PGND      |   Power Ground
   14        |        PVDD      |   Power Supply Output

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Functional Features

The TPS65145IPWPRQ1 offers the following functional features:

1. High Efficiency: The IC incorporates a high-efficiency boost converter, ensuring efficient power conversion.
2. Voltage Regulation: It provides precise voltage regulation for multiple output channels, enabling stable power supply to various components.
3. Soft-Start Function: The soft-start control feature allows for gradual ramp-up of voltages, reducing inrush current and enhancing system reliability.
4. Enable Control: The enable pin (EN) enables or disables the IC, providing flexibility in power management.
5. Protection Mechanisms: The TPS65145IPWPRQ1 includes built-in protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.

Advantages and Disadvantages

Advantages

• High efficiency leads to improved power utilization.
• Wide input voltage range enhances versatility.
• Low quiescent current ensures energy efficiency.
• Compact package size facilitates integration into space-constrained designs.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Requires external components for complete power management solution.

Working Principles

The TPS65145IPWPRQ1 operates based on the principle of a boost converter. It takes an input voltage within the specified range and boosts it to a higher output voltage level. The IC regulates the output voltages using feedback control, ensuring stable and accurate power supply to connected devices.

Application Field Plans

The TPS65145IPWPRQ1 finds applications in various electronic devices that require efficient power management. Some potential application fields include:

1. Portable Electronics: Smartphones, tablets, and portable media players can benefit from the TPS65145IPWPRQ1's high efficiency and compact size.
2. Automotive Systems: The IC's wide input voltage range and protection mechanisms make it suitable for automotive applications such as infotainment systems and instrument clusters.
3. Industrial Equipment: Industrial control systems, factory automation equipment, and robotics can utilize the TPS65145IPWPRQ1 for reliable power management.
4. Medical Devices: Medical instruments and diagnostic equipment can benefit from the IC's low quiescent current and precise voltage regulation.