TPS62050DGSR

Product Overview

Category

The TPS62050DGSR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used as a step-down converter, also known as a buck converter. It efficiently converts higher input voltages to lower output voltages, making it suitable for various applications that require stable power supply.

Characteristics

• High efficiency: The TPS62050DGSR offers high conversion efficiency, minimizing power losses during voltage conversion.
• Wide input voltage range: It can handle input voltages ranging from 2.7V to 6V, providing flexibility in different power supply scenarios.
• Adjustable output voltage: The output voltage can be adjusted within a specific range to meet the requirements of different applications.
• Low quiescent current: The device has low standby current consumption, ensuring minimal power wastage when not actively converting voltages.

Package and Quantity

The TPS62050DGSR comes in a small 10-pin VSON package, which stands for Very Small Outline No-Lead. This package provides compactness and ease of integration into various circuit designs. The product is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 6V
• Output Voltage Range: Adjustable, typically 0.8V to 5.5V
• Maximum Output Current: 1A
• Switching Frequency: 2.25MHz
• Quiescent Current: 17µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS62050DGSR features a 10-pin VSON package with the following pin configuration:

1. EN (Enable): Enable pin for turning the device on/off.
2. FB (Feedback): Feedback pin for adjusting the output voltage.
3. PG (Power Good): Power Good indicator pin.
4. SW (Switch Node): Switching node for connecting the inductor and capacitor.
5. GND (Ground): Ground reference pin.
6. VIN (Input Voltage): Input voltage supply pin.
7. LX (Inductor Connection): Connection point for the inductor.
8. LX (Inductor Connection): Connection point for the inductor.
9. VOUT (Output Voltage): Output voltage pin.
10. VOUT (Output Voltage): Output voltage pin.

Functional Features

• High Efficiency: The TPS62050DGSR utilizes advanced control techniques to achieve high conversion efficiency, reducing power losses during voltage conversion.
• Power Good Indicator: The Power Good pin provides a signal indicating when the output voltage is within the specified range, ensuring proper operation of downstream components.
• Soft Start: The device incorporates a soft-start feature, gradually ramping up the output voltage to prevent excessive inrush current during startup.
• Overcurrent Protection: The TPS62050DGSR includes overcurrent protection, safeguarding the circuit from potential damage due to excessive current flow.
• Thermal Shutdown: In case of excessive temperature rise, the device features thermal shutdown functionality, preventing overheating and ensuring safe operation.

Advantages and Disadvantages

Advantages

• High conversion efficiency minimizes power losses.
• Wide input voltage range allows for versatile applications.
• Compact package enables easy integration into various designs.
• Adjustable output voltage meets different application requirements.
• Low quiescent current reduces standby power consumption.

Disadvantages

• Limited maximum output current of 1A may not be suitable for high-power applications.
• Higher switching frequency may introduce additional noise in sensitive circuits.

Working Principles

The TPS62050DGSR operates as a step-down converter, converting higher input voltages to lower output voltages. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage. The device employs an internal power MOSFET switch and synchronous rectification to achieve high conversion efficiency.

During operation, the input voltage is connected to the VIN pin, and the desired output voltage is set using the feedback (FB) pin. The TPS62050DGSR regulates the output voltage by adjusting the duty cycle of the internal switch, controlling the energy transfer from the input to the output.

Detailed Application Field Plans

The TPS62050DGSR finds applications in various fields, including but not limited to: - Portable electronic devices: It can be used to power smartphones, tablets, portable media players, and other battery-operated devices. - Industrial equipment: The product is suitable for powering sensors, actuators, and other components in industrial automation systems. - Automotive electronics: It can be utilized in automotive infotainment systems, lighting modules, and other vehicle electronics. - IoT devices: The TPS62050DGSR is well-suited for low-power IoT devices,