TPS61185RGER

The TPS61185RGER is a high-performance, step-up (boost) DC-DC converter from Texas Instruments, designed for applications requiring efficient power conversion. This device is particularly well-suited for powering devices from low-voltage sources, such as single-cell lithium-ion batteries, and is commonly used in portable electronics, LED drivers, and other battery-powered applications.

Key Features:

1. Input Voltage Range: The TPS61185RGER operates with an input voltage range of approximately 2.3V to 5.5V, making it versatile for various low-voltage applications.

2. Output Voltage: It can boost the input voltage to a maximum output voltage of 28V, allowing it to power a wide range of devices and components.

3. Output Current: The device can deliver up to 1.5A of output current, which is suitable for driving high-power loads.

4. Efficiency: The TPS61185RGER boasts high efficiency, often exceeding 90%, which helps to extend battery life in portable applications and reduce heat generation.

5. Switching Frequency: It operates at a fixed switching frequency of 1.2 MHz, which allows for the use of smaller external components, such as inductors and capacitors, contributing to a compact design.

6. Control Method: The device employs a current-mode control scheme, which enhances stability and transient response, making it reliable for dynamic load conditions.

7. Protection Features: The TPS61185RGER includes several built-in protection features, such as over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown, ensuring safe operation under various conditions.

8. Package: It is available in a compact 16-pin HTQFP (Thin Quad Flat Package) or VQFN (Very Thin Quad Flat No-lead) package, which is suitable for surface-mount applications and helps save board space.

9. Application Areas: Typical applications include portable devices, battery-powered equipment, LED lighting, and other systems requiring efficient voltage boosting.

Electrical Characteristics:

• Quiescent Current: The device has a low quiescent current, which is beneficial for battery-operated devices, as it minimizes power consumption when the device is not actively switching.
• Start-up Time: The TPS61185RGER features a fast start-up time, allowing for quick power-up in applications where responsiveness is critical.

Conclusion:

The TPS61185RGER from Texas Instruments is a robust and efficient boost converter that provides a reliable solution for applications requiring voltage step-up from low-voltage sources. Its combination of high efficiency, compact size, and integrated protection features makes it an excellent choice for designers looking to optimize power management in portable and battery-operated devices.