TPS65145PWPG4

Product Overview

Category

The TPS65145PWPG4 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in electronic devices to regulate and control power supply, making it suitable for a wide range of applications.

Characteristics

• High efficiency: The TPS65145PWPG4 offers high power conversion efficiency, minimizing energy loss during operation.
• Wide input voltage range: It can handle a broad range of input voltages, allowing flexibility in various power supply configurations.
• Low quiescent current: The IC has a low standby current consumption, contributing to energy-saving capabilities.
• Overvoltage and overcurrent protection: It incorporates built-in protection mechanisms to safeguard against potential electrical faults.

Package

The TPS65145PWPG4 is available in a small-sized package, which enhances its suitability for compact electronic devices. The package type is PowerPAD™, and it features a thermal pad for efficient heat dissipation.

Essence

The essence of the TPS65145PWPG4 lies in its ability to efficiently manage power supply, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

This IC is typically supplied in tape and reel packaging, with a specified quantity per reel. The exact quantity may vary depending on the manufacturer's specifications.

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 dimensions: 20-pin HTSSOP

Detailed Pin Configuration

The TPS65145PWPG4 features a 20-pin HTSSOP package with the following pin configuration:

1. VCOM
2. VGH
3. VGL
4. VPOS
5. VNEG
6. EN
7. SD
8. FB
9. AGND
10. AVDD
11. PVDD
12. PVSS
13. VGH2
14. VGL2
15. VGH1
16. VGL1
17. VGH3
18. VGL3
19. VGH4
20. VGL4

Functional Features

• Voltage regulation: The TPS65145PWPG4 provides precise voltage regulation for different power supply rails, ensuring stable operation of the connected electronic components.
• Power sequencing: It supports power sequencing functionality, allowing controlled power-up and power-down sequences to prevent potential damage or instability.
• Soft-start capability: The IC incorporates a soft-start feature, gradually ramping up the output voltage to avoid sudden voltage spikes that could harm sensitive components.
• Fault detection and protection: It includes various protection features such as overvoltage, overcurrent, and thermal shutdown, safeguarding against potential electrical faults.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Compact package size
• Built-in protection mechanisms

Disadvantages

• Limited maximum output current (200mA)
• Restricted operating temperature range (-40°C to 85°C)

Working Principles

The TPS65145PWPG4 operates based on a combination of switching and control circuitry. It utilizes internal feedback loops to regulate the output voltage according to the desired specifications. By efficiently converting the input voltage to the required output voltage, it ensures proper power supply to the connected electronic devices.

Detailed Application Field Plans

The TPS65145PWPG4 finds applications in various electronic devices, including but not limited to: - Mobile phones and smartphones - Tablets and laptops - Portable media players - Digital cameras - Wearable devices

Detailed and Complete Alternative Models

1. TPS65146PWPG4: Similar to the TPS65145PWPG4, but with a higher maximum output current of 300mA.
2. TPS65147PWPG4: Offers additional features such as adjustable switching frequency and synchronization capability.
3. TPS65148PWPG4: Provides enhanced thermal management capabilities for improved efficiency in high-power applications.

These alternative models offer similar functionality to the TPS65145PWPG4 while providing specific advantages based on individual requirements.

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