TPS2849PWPR

Product Overview

Category

The TPS2849PWPR belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power management applications, providing efficient control and regulation of power supply in various electronic devices.

Characteristics

• High efficiency: The TPS2849PWPR offers high efficiency power conversion, minimizing energy loss during operation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low power consumption: The IC itself consumes minimal power, contributing to overall energy efficiency.
• Compact package: The TPS2849PWPR is available in a small form factor package, enabling space-saving designs.
• Robustness: It is designed to withstand harsh operating conditions, ensuring reliability and longevity.

Package and Quantity

The TPS2849PWPR is packaged in a PowerPAD™ thermally enhanced 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 0.8V to 5V
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to 125°C
• Switching Frequency: Up to 1.5MHz
• Efficiency: Up to 95%
• Protection Features: Overcurrent protection, thermal shutdown, undervoltage lockout

Pin Configuration

The TPS2849PWPR has a total of 20 pins. Here is the detailed pin configuration:

1. VIN: Input voltage
2. EN: Enable pin
3. FB: Feedback pin
4. COMP: Compensation pin
5. SS/TR: Soft-start/Tracking pin
6. PGND: Power ground
7. AGND: Analog ground
8. VREF: Reference voltage output
9. VCC: Supply voltage input
10. BOOT: Bootstrap capacitor connection
11. SW: Switch node 12-20. NC: No connect

Functional Features

• Voltage Regulation: The TPS2849PWPR provides precise voltage regulation, ensuring stable power supply to the load.
• Current Limiting: It incorporates overcurrent protection, preventing excessive current flow and protecting the circuitry.
• Soft-Start: The soft-start feature allows for a gradual increase in output voltage during startup, reducing stress on components.
• Thermal Shutdown: In case of excessive temperature, the IC automatically shuts down to prevent damage.
• Undervoltage Lockout: The undervoltage lockout feature ensures that the IC operates within the specified voltage range.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and improved energy efficiency.
• Wide input voltage range enables versatile application possibilities.
• Compact package facilitates space-saving designs.
• Robustness ensures reliability even in challenging environments.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher cost compared to some alternative models.

Working Principles

The TPS2849PWPR utilizes a switching regulator topology to efficiently convert the input voltage to the desired output voltage. It employs pulse-width modulation (PWM) techniques to regulate the output voltage by adjusting the duty cycle of the switching signal. This control mechanism ensures that the output voltage remains constant despite variations in the input voltage or load conditions.

Application Field Plans

The TPS2849PWPR finds applications in various fields, including but not limited to: - Consumer electronics - Industrial automation - Telecommunications - Automotive electronics - Medical devices

Alternative Models

Here are some alternative models that offer similar functionality: - TPS2849PWP - TPS2849PWPRG4 - TPS2849PWPRG4Q1

These models are compatible with the TPS2849PWPR and can be considered as alternatives based on specific requirements.

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