TPS61054DRCR

Product Overview

Category

The TPS61054DRCR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators classification.

Use

This product is primarily used for boosting or stepping up voltage levels in various electronic applications. It is commonly employed in portable devices, battery-powered systems, and other low-power electronics where efficient voltage conversion is required.

Characteristics

• High efficiency: The TPS61054DRCR offers high conversion efficiency, ensuring minimal power loss during voltage conversion.
• Wide input voltage range: It can accept input voltages ranging from 1.8V to 6V, making it suitable for a wide range of applications.
• Adjustable output voltage: The output voltage can be adjusted within a specific range, allowing flexibility in meeting different system requirements.
• Low quiescent current: The device has a low quiescent current, enabling power-saving operation when the load is light or idle.

Package

The TPS61054DRCR is available in a small and compact package known as a VSON-10 (Very Small Outline No-Lead) package. This package type provides excellent thermal performance and occupies minimal board space.

Essence

The essence of the TPS61054DRCR lies in its ability to efficiently step up voltage levels while maintaining a small form factor. Its high efficiency and adjustable output voltage make it a versatile choice for various low-power electronic applications.

Packaging/Quantity

The TPS61054DRCR is typically supplied in tape and reel packaging, with 3000 units per reel. This packaging format ensures ease of handling and compatibility with automated assembly processes.

Specifications

• Input Voltage Range: 1.8V to 6V
• Output Voltage Range: Adjustable, typically up to 28V
• Switching Frequency: 1.2MHz
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS61054DRCR features a total of 10 pins, each serving a specific function:

1. EN (Enable): This pin is used to enable or disable the device.
2. FB (Feedback): The feedback pin provides voltage regulation by adjusting the output voltage.
3. VIN (Input Voltage): This pin receives the input voltage.
4. SW (Switch Node): The switch node pin connects to the inductor and serves as the switching element.
5. PGND (Power Ground): This pin is connected to the ground for power return.
6. LX (Inductor Connection): The LX pin connects to the inductor for energy storage and transfer.
7. AGND (Analog Ground): This pin is connected to the ground for analog circuitry.
8. SS/TR (Soft Start/Tracking): The soft start/tracking pin controls the startup behavior and output tracking.
9. VOUT (Output Voltage): This pin delivers the boosted output voltage.
10. BST (Bootstrap): The bootstrap pin provides the necessary voltage for driving the high-side MOSFET.

Functional Features

• High efficiency conversion: The TPS61054DRCR achieves high conversion efficiency through its integrated synchronous rectifier and low-resistance switches.
• Soft start and tracking: The soft start feature ensures a controlled startup, preventing excessive inrush current. The tracking capability allows the output voltage to follow an external reference voltage.
• Overcurrent protection: The device incorporates overcurrent protection to safeguard against excessive load currents.
• Thermal shutdown: In case of excessive temperature, the TPS61054DRCR activates thermal shutdown to prevent damage to the device.

Advantages and Disadvantages

Advantages

• High conversion efficiency minimizes power loss.
• Adjustable output voltage allows flexibility in system design.
• Small form factor and VSON-10 package save board space.
• Soft start and tracking features enhance startup control.

Disadvantages

• Limited input voltage range (1.8V to 6V).
• Higher switching frequency may introduce additional noise.

Working Principles

The TPS61054DRCR operates as a boost converter, stepping up the input voltage to a higher output voltage level. It utilizes a synchronous rectifier and low-resistance switches to achieve high conversion efficiency. The device controls the output voltage through feedback regulation, adjusting the duty cycle of the internal switches accordingly.

During operation, the input voltage is connected to the LX pin, where it charges the inductor. The energy stored in the inductor is then transferred to the output capacitor through the SW pin. The feedback mechanism ensures that the output voltage remains within the desired range by adjusting the duty cycle of the switches.

Detailed Application Field Plans

The TPS61054DRCR finds applications in various electronic devices and systems, including but not limited to: - Portable electronic