TPS61151DRCR

Product Overview

Category

The TPS61151DRCR 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 TPS61151DRCR 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 TPS61151DRCR is available in a small and compact package, enabling space-saving designs.
• Low quiescent current: It features low quiescent current consumption, contributing to energy-efficient operation.

Package and Quantity

The TPS61151DRCR is packaged in a small outline package (SOIC) with eight pins. It is typically sold in reels or tubes containing multiple units.

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 TPS61151DRCR has the following pin configuration:

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| | --| VOUT | --| VIN | --| GND | --| FB | --| EN | --| SS/TR | --| PGND | |___________| ```

Functional Features

1. Voltage Regulation: The TPS61151DRCR provides stable and regulated output voltage, ensuring reliable operation of connected devices.
2. Soft Start/Tracking: It incorporates a soft start feature that gradually ramps up the output voltage, preventing sudden voltage spikes and reducing stress on components.
3. Power Good Indicator: The Power Good (PG) pin indicates whether the output voltage is within the desired range, enabling system-level monitoring and fault detection.
4. Enable Control: The EN pin allows for easy control of the IC's operation, enabling power management based on system requirements.
5. Overcurrent Protection: The TPS61151DRCR includes overcurrent protection, safeguarding against excessive current flow and potential damage to the circuit.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and longer battery life.
• Wide input voltage range enables compatibility with various power sources.
• Adjustable output voltage provides flexibility for different applications.
• Compact package allows for space-saving designs in small form factor devices.
• Low quiescent current contributes to energy-efficient operation.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Operating temperature range might not be suitable for extreme environments.

Working Principles

The TPS61151DRCR operates as a step-up (boost) converter, converting a lower input voltage to a higher output voltage. It utilizes a switching regulator topology, which efficiently regulates the output voltage by controlling the duty cycle of an internal switch. This process involves storing energy in an inductor during the switch-on period and releasing it to the output during the switch-off period. By adjusting the duty cycle, the IC maintains the desired output voltage level.

Application Field Plans

The TPS61151DRCR finds application in various electronic devices, including but not limited to: 1. Battery-powered portable devices such as smartphones, tablets, and portable media players. 2. LED backlighting systems for LCD displays in televisions, monitors, and automotive infotainment systems. 3. Industrial equipment requiring efficient power management, such as control systems and sensors. 4. Automotive applications, including interior lighting, dashboard displays, and infotainment systems.

Alternative Models

1. TPS61150DRCR: Similar to the TPS61151DRCR but with a lower maximum output current of 500mA.
2. TPS61152DRCR: A higher current variant with a maximum output current of 1.5A.
3. TPS61153DRCR: Offers additional features like adjustable switching frequency and synchronization capability.

These alternative models provide options based on specific requirements and desired performance characteristics.

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