TPS61140DRCR

Product Overview

Category

The TPS61140DRCR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to efficiently regulate and control power supply voltages.

Characteristics

• High efficiency: The TPS61140DRCR offers high conversion efficiency, ensuring minimal power loss during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Adjustable output voltage: The IC allows for adjustable output voltage levels, providing flexibility in different scenarios.
• Compact package: The TPS61140DRCR comes in a small form factor package, enabling space-saving designs.

Package and Quantity

The TPS61140DRCR is available in a 10-pin VSON package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Input voltage range: 2.7V to 18V
• Output voltage range: 1.2V to 16V
• Maximum output current: 1A
• Switching frequency: 1.2MHz
• Operating temperature range: -40°C to 85°C

Pin Configuration

The TPS61140DRCR has ten pins, each serving a specific function. The pin configuration is as follows:

1. VIN: Input voltage pin
2. EN: Enable pin
3. FB: Feedback pin
4. GND: Ground pin
5. SW: Switch pin
6. LX: Inductor connection pin
7. PGND: Power ground pin
8. VOUT: Output voltage pin
9. SS/TR: Soft-start/Tracking pin
10. BST: Boost pin

Functional Features

• Integrated boost converter: The TPS61140DRCR incorporates a boost converter, allowing it to step up input voltage levels efficiently.
• Adjustable output voltage: The IC provides the flexibility to adjust the output voltage according to specific requirements.
• Overcurrent protection: It includes built-in overcurrent protection, safeguarding the circuit from excessive current flow.
• Soft-start function: The soft-start feature ensures a gradual increase in output voltage during power-up, preventing voltage spikes.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range enables compatibility with various power sources.
• Compact package allows for space-efficient designs.
• Adjustable output voltage offers versatility in different applications.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Higher switching frequency may introduce electromagnetic interference (EMI) concerns in sensitive systems.

Working Principles

The TPS61140DRCR operates based on the principle of pulse width modulation (PWM). It utilizes a boost converter topology to step up the input voltage to the desired output voltage level. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the PWM signal to maintain a stable output.

Detailed Application Field Plans

The TPS61140DRCR finds application in various fields, including but not limited to: - Portable electronic devices: Used to regulate power supply voltages in smartphones, tablets, and portable gaming consoles. - LED backlighting: Enables efficient control of LED backlight modules in LCD displays. - Battery-powered systems: Provides voltage regulation in battery-operated devices such as handheld medical devices and wireless sensors.

Detailed Alternative Models

1. TPS61141DRCR: Similar to TPS61140DRCR, but with a higher maximum output current of 1.5A.
2. TPS61142DRCR: Offers additional features like adjustable switching frequency and synchronization capability.

These alternative models provide similar functionality to the TPS61140DRCR, with slight variations in specifications and features.

In conclusion, the TPS61140DRCR is a highly efficient integrated circuit designed for power management applications. Its adjustable output voltage, wide input voltage range, and compact package make it suitable for various electronic devices. While it has certain limitations, such as limited maximum output current, its advantages outweigh the disadvantages. The IC operates on the principle of PWM and finds application in portable electronics, LED backlighting, and battery-powered systems. Additionally, alternative models like TPS61141DRCR and TPS61142DRCR offer similar functionality with minor differences.