TPS61199PWP

The TPS61199PWP is a high-performance, step-up (boost) DC-DC converter designed by Texas Instruments. It is particularly well-suited for applications requiring a compact power supply solution with high efficiency and flexibility. Below is a detailed description of its key features and specifications:

General Overview:

• Type: Step-up (Boost) DC-DC Converter
• Package: The TPS61199PWP comes in a 16-pin HTQFP (Thin Quad Flat Package) with a footprint that allows for efficient PCB layout and thermal management.

Key Features:

• Input Voltage Range: The device operates over a wide input voltage range, typically from 2.5V to 12V, making it suitable for various battery-powered applications.
• Output Voltage: The TPS61199PWP can generate output voltages up to 28V, which is ideal for driving high-voltage loads or powering devices that require higher voltage levels.
• Output Current: It can deliver output currents up to 1.5A, providing sufficient power for many applications.
• Efficiency: The converter boasts high efficiency, often exceeding 90%, which helps to minimize heat generation and prolong battery life in portable devices.
• Switching Frequency: The device operates at a fixed switching frequency, typically around 1.2 MHz, allowing for smaller external components and reduced PCB space.
• Control Method: It employs a peak current mode control scheme, which enhances stability and transient response.

Protection Features:

• Overcurrent Protection: The TPS61199PWP includes built-in overcurrent protection to safeguard the device and the load from excessive current conditions.
• Thermal Shutdown: It features thermal shutdown capabilities to prevent damage due to overheating, ensuring reliable operation under varying load conditions.
• Under-voltage Lockout (UVLO): This feature prevents the converter from operating at input voltages below a certain threshold, protecting the circuit from unstable operation.

Applications:

The TPS61199PWP is suitable for a variety of applications, including:

• Battery-powered devices (e.g., portable electronics)
• LED drivers
• Power supplies for RF and communication devices
• Automotive applications
• Industrial equipment

Additional Features:

• Adjustable Output Voltage: The output voltage can be set using external resistors, providing flexibility for different application requirements.
• Soft Start: The soft-start feature helps to limit inrush current during startup, reducing stress on the power supply and connected components.
• Compensation Network: The device includes an internal compensation network, simplifying the design process and reducing the need for external components.

Conclusion:

The TPS61199PWP from Texas Instruments is a versatile and efficient boost converter that meets the demands of modern electronic applications. Its combination of high efficiency, wide input/output voltage range, and robust protection features make it an excellent choice for designers looking to implement reliable power solutions in compact form factors.