TPS61043DRBRG4

Product Overview

Category

The TPS61043DRBRG4 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used to regulate and control power supply in various electronic devices, such as smartphones, tablets, portable media players, and other battery-powered devices.

Characteristics

• High efficiency: The TPS61043DRBRG4 offers high conversion efficiency, ensuring optimal power utilization.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for different power sources.
• Adjustable output voltage: The IC allows for adjustable output voltage, providing flexibility in powering different components.
• Low quiescent current: It features low quiescent current consumption, minimizing power wastage during standby or idle modes.

Package and Quantity

The TPS61043DRBRG4 is available in a small outline package (SOIC) with an exposed pad. It is typically sold in reels or tubes containing a specific quantity, usually 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 12V
• Output Voltage Range: 1.8V to 6V
• Maximum Output Current: 500mA
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS61043DRBRG4 has a total of 10 pins, each serving a specific function. The pin configuration is as follows:

1. EN (Enable)
2. FB (Feedback)
3. GND (Ground)
4. SW (Switch)
5. VOUT (Output Voltage)
6. PGND (Power Ground)
7. LX (Inductor Connection)
8. VIN (Input Voltage)
9. AGND (Analog Ground)
10. VREF (Reference Voltage)

Functional Features

• Soft Start: The IC incorporates a soft start feature to prevent excessive inrush current during power-up, ensuring a smooth and controlled startup.
• Overcurrent Protection: It includes overcurrent protection to safeguard the circuit from excessive current flow, preventing damage to the IC and connected components.
• Thermal Shutdown: The TPS61043DRBRG4 has built-in thermal shutdown protection, which activates when the temperature exceeds a certain threshold, preventing overheating.

Advantages and Disadvantages

Advantages

• High efficiency leads to improved battery life in portable devices.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides flexibility for different applications.
• Low quiescent current minimizes power wastage during standby.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components, such as an inductor and capacitors, for proper operation.

Working Principles

The TPS61043DRBRG4 operates as a boost converter, converting a lower input voltage to a higher output voltage. It utilizes a switching regulator topology, where an inductor stores energy during the switch-on period and releases it to the output during the switch-off period. This process efficiently steps up the voltage while maintaining high conversion efficiency.

Detailed Application Field Plans

The TPS61043DRBRG4 finds extensive application in various battery-powered devices, including: - Smartphones and tablets - Portable media players - Wireless communication devices - Handheld gaming consoles - Wearable devices

Alternative Models

For those seeking alternative options, the following models offer similar functionality to the TPS61043DRBRG4: - TPS61040DRBRG4 - TPS61041DRBRG4 - TPS61042DRBRG4 - TPS61044DRBRG4

These models share comparable specifications and pin configurations, making them suitable replacements for the TPS61043DRBRG4 in various applications.

In conclusion, the TPS61043DRBRG4 is a highly efficient boost converter IC used for power management in battery-powered devices. Its adjustable output voltage, wide input voltage range, and low quiescent current make it a versatile choice for numerous applications. However, its limited maximum output current and reliance on external components should be considered when selecting this IC for high-power applications.