The TPS65131RGET is a versatile dual-output power supply integrated circuit (IC) designed and manufactured by Texas Instruments (TI), a leader in semiconductor solutions. This compact, high-performance IC is specifically engineered to cater to the power requirements of various applications, including but not limited to OLED (Organic Light Emitting Diodes) displays, LCD (Liquid Crystal Display) bias supplies, and other portable devices requiring positive and negative output voltages from a single input.
Key Features
- Input Voltage Range: The TPS65131RGET operates with an input voltage range of 2.7V to 5.5V, making it suitable for portable applications powered by single-cell lithium-ion (Li-ion) batteries or by standard power supplies.
- Dual Adjustable Outputs: It provides two independently adjustable output voltages, one positive and one negative, with a wide output voltage range, which can be configured via external resistors.
- High Efficiency: The device integrates a boost converter for the positive output voltage and an inverting buck-boost converter for the negative output voltage, ensuring high efficiency across the full load range.
- Compact Packaging: Housed in a compact 24-pin VQFN package, the TPS65131RGET saves valuable board space and is ideal for space-constrained applications.
- Protection Features: It includes built-in thermal shutdown, overvoltage protection, and current limit features to safeguard the IC and the end application from potential damage.
- Low EMI: The device is designed to minimize Electromagnetic Interference (EMI), a critical feature for applications sensitive to noise.
Applications
The versatility of the TPS65131RGET makes it an excellent choice for a variety of applications. It is particularly well-suited for powering OLED and LCD displays, which require both positive and negative supply voltages for optimal operation. Additionally, its high efficiency and low EMI characteristics make it ideal for portable electronics, such as smartphones, tablets, and digital cameras, where power efficiency and minimal interference are crucial.
Conclusion
In summary, the TPS65131RGET from Texas Instruments stands out as a highly efficient, dual-output power supply solution. Its wide input voltage range, adjustable outputs, and compact form factor, combined with robust protection features, make it a reliable and flexible choice for designers looking to optimize power management in their next-generation electronic devices.