TPS61028DRCR

Product Overview

Category

The TPS61028DRCR 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 provides a regulated output voltage that is higher than the input voltage, making it suitable for powering devices that require higher voltages.

Characteristics

• Input Voltage Range: 0.7V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Switching Frequency: 1.2MHz
• Efficiency: Up to 95%
• Package Type: 10-VSON (3x3)
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

The TPS61028DRCR is available in a 10-VSON package, which measures 3x3 mm. It is typically sold in reels or tubes, with a quantity of 3000 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: 1.2MHz
• Shutdown Current: 0.1μA
• Quiescent Current: 18μA
• Operating Temperature Range: -40°C to +85°C
• Protection Features: Overcurrent, Overtemperature, Undervoltage Lockout

Pin Configuration

The TPS61028DRCR has the following pin configuration:

```

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| | --| VIN GND|-- --| EN SW |-- --| FB NC |-- --| PGND VOUT|-- |___________| ```

• VIN: Input voltage pin
• EN: Enable pin (active high)
• FB: Feedback pin for output voltage regulation
• SW: Switching node pin
• PGND: Power ground pin
• VOUT: Output voltage pin
• NC: No connection

Functional Features

1. Wide Input Voltage Range: The TPS61028DRCR can operate with input voltages as low as 0.7V, making it suitable for various battery-powered applications.
2. High Efficiency: With an efficiency of up to 95%, this voltage regulator minimizes power losses and maximizes battery life.
3. Overcurrent Protection: The device incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
4. Overtemperature Protection: It includes overtemperature protection, preventing damage due to excessive heat.
5. Undervoltage Lockout: The TPS61028DRCR features undervoltage lockout, ensuring proper operation even at low input voltages.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile application scenarios.
• High efficiency reduces power consumption and extends battery life.
• Compact package size enables space-saving designs.
• Integrated protection features enhance reliability and durability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Non-adjustable switching frequency may not meet specific requirements.

Working Principles

The TPS61028DRCR operates as a step-up (boost) voltage regulator. It utilizes a switching topology to convert the input voltage to a higher regulated output voltage. The internal control circuitry adjusts the duty cycle of the switching transistor to maintain the desired output voltage level. This switching action allows for efficient voltage conversion while minimizing power losses.

Application Field Plans

The TPS61028DRCR finds applications in various electronic devices and systems, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Wearable devices - IoT (Internet of Things) devices - Battery-powered systems - Wireless communication modules

Alternative Models

Here are some alternative models that offer similar functionality to the TPS61028DRCR: - TPS61029DRCR - TPS61030DRCR - TPS61031DRCR - TPS61032DRCR

These alternatives can be considered based on specific requirements or availability.

In conclusion, the TPS61028DRCR is a versatile step-up voltage regulator IC with a wide input voltage range, high efficiency, and integrated protection features. It finds applications in various portable and battery-powered electronic devices.