TPS61042DRBR

Product Overview

Category

The TPS61042DRBR 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
• Efficiency: Up to 95%
• Package Type: VSON-10
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

The TPS61042DRBR is available in a VSON-10 package, which stands for Very Small Outline No-Lead. This package offers a compact size and excellent thermal performance. The product is typically sold in reels, 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
• Quiescent Current: 17µA (typical)
• Shutdown Current: 0.1µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: VSON-10

Pin Configuration

The TPS61042DRBR has the following pin configuration:

```

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| | --| VIN SW |-- --| GND FB |-- --| EN PG |-- --| VOUT PGD |-- |___________| ```

• VIN: Input voltage pin
• SW: Switch node connection for inductor and output capacitor
• GND: Ground reference pin
• FB: Feedback pin for regulating the output voltage
• EN: Enable pin to control the device's operation
• PG: Power good indicator pin
• VOUT: Output voltage pin
• PGD: Power good open-drain output

Functional Features

1. Wide input voltage range allows compatibility with various power sources.
2. High efficiency enables effective power conversion, minimizing energy loss.
3. Adjustable output voltage provides flexibility for different applications.
4. Integrated power good function ensures reliable operation.
5. Low quiescent current and shutdown current contribute to power-saving capabilities.
6. Overcurrent and thermal protection enhance system reliability.

Advantages and Disadvantages

Advantages

• Wide input voltage range accommodates diverse power sources.
• High efficiency minimizes energy loss.
• Compact package size saves board space.
• Integrated power good function enhances system reliability.
• Overcurrent and thermal protection ensure safe operation.

Disadvantages

• Limited maximum output current (500mA).
• Higher switching frequency may introduce additional noise.

Working Principles

The TPS61042DRBR operates as a boost converter, utilizing a switched-capacitor topology. When the input voltage is applied, an internal switch controls the charging and discharging of an inductor and output capacitor. This process efficiently steps up the input voltage to the desired output voltage level. The feedback mechanism regulates the output voltage by adjusting the duty cycle of the internal switch.

Detailed Application Field Plans

The TPS61042DRBR finds applications in various electronic devices and systems, including but not limited to: 1. Battery-powered portable devices requiring higher voltage levels. 2. LCD displays and backlighting systems. 3. LED drivers and flashlights. 4. Wireless communication devices. 5. Industrial control systems. 6. Automotive electronics.

Detailed and Complete Alternative Models

1. TPS61041DRBR: Similar specifications, but with a lower maximum output current of 300mA.
2. TPS61043DRBR: Similar specifications, but with a higher maximum output current of 800mA.
3. TPS61044DRBR: Similar specifications, but with a higher maximum output current of 1000mA.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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