TPS61055DRCT

Product Overview

Category

The TPS61055DRCT belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - DC/DC switching regulators.

Use

This product is primarily used for boosting or stepping up the input voltage to a higher output voltage level. It is commonly employed in various electronic devices and systems where a higher voltage is required.

Characteristics

• Input Voltage Range: 0.7V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Switching Frequency: Up to 2MHz
• Package Type: SON-10
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

The TPS61055DRCT is available in a small-outline no-lead (SON) package, which consists of 10 pins. It is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 0.7V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Maximum Output Current: 500mA
• Switching Frequency: Up to 2MHz
• Efficiency: Up to 90%
• Quiescent Current: 30µA
• Shutdown Current: <1µA
• Soft Start Time: 1ms
• Overcurrent Protection: Yes
• Thermal Shutdown Protection: Yes

Pin Configuration

The TPS61055DRCT has the following pin configuration:

1. EN (Enable)
2. FB (Feedback)
3. GND (Ground)
4. SW (Switch)
5. LX (Inductor Connection)
6. AGND (Analog Ground)
7. VOUT (Output Voltage)
8. VIN (Input Voltage)
9. PGND (Power Ground)
10. VREF (Reference Voltage)

Functional Features

• Wide input voltage range allows for compatibility with various power sources.
• High efficiency ensures minimal power loss during voltage conversion.
• Overcurrent protection safeguards the circuit from excessive current flow.
• Thermal shutdown protection prevents damage due to overheating.
• Soft start feature enables gradual ramp-up of the output voltage, reducing stress on connected components.

Advantages and Disadvantages

Advantages

• Compact package size facilitates space-saving designs.
• Wide input voltage range enhances versatility.
• High efficiency minimizes energy wastage.
• Overcurrent and thermal protection enhance reliability and safety.
• Soft start feature prevents sudden voltage surges.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher switching frequency may introduce additional noise in sensitive circuits.
• Requires external components (inductor, capacitors) for proper operation.

Working Principles

The TPS61055DRCT operates as a boost converter, utilizing a switching regulator topology. It converts a lower input voltage to a higher output voltage by controlling the duty cycle of an internal switch. The input voltage is first stored in an inductor and then transferred to the output through a diode. This process allows for efficient voltage step-up while minimizing power loss.

Detailed Application Field Plans

The TPS61055DRCT finds application in various electronic devices and systems, including but not limited to: - Battery-powered portable devices - Wireless communication systems - Industrial control systems - Automotive electronics - LED lighting systems

Alternative Models

For those seeking alternative options, the following models can be considered: - TPS61056DRCT - TPS61057DRCT - TPS61058DRCT - TPS61059DRCT

These models offer similar functionality and characteristics, providing flexibility in design choices.

In conclusion, the TPS61055DRCT is a versatile boost converter IC that offers efficient voltage step-up capabilities. With its wide input voltage range, compact package size, and various protection features, it finds application in diverse electronic systems. However, designers should consider the maximum output current limitation and potential noise issues when selecting this product for specific applications.