Texas Instruments

TPS79501DCQRG4  

Linear & Switching Voltage Regulators

TPS79501DCQRG4 Description

The TPS79501DCQRG4 is a linear positive adjustable voltage regulator designed by Texas Instruments, offering a versatile and reliable solution for power management applications. This regulator supports an input voltage range up to 5.5V and provides a maximum output current of 500mA. It features an adjustable output voltage starting from 1.2V up to 5.5V, making it suitable for a wide range of electronic devices that require precise voltage regulation.

The TPS79501DCQRG4 is housed in a surface-mount SOT223 package, which is ideal for compact designs and high-density PCB layouts. Despite its small form factor, the regulator includes comprehensive protection features such as over-current protection, over-temperature protection, reverse polarity protection, and under-voltage lockout (UVLO). These ensure features robustness and reliability, safeguarding both the regulator and connected components from potential damage.

TPS79501DCQRG4 Features

• Adjustable Output Voltage: The regulator allows for an adjustable output voltage ranging from 1.2V to 5.5V, providing flexibility to meet specific application requirements.
• High Input Voltage Range: With a maximum input voltage of 5.5V, the TPS79501DCGQR4 can operate efficiently in various power supply environments.
• Low Quiescent Current: The regulator operates with a low quiescent current of 385 µA, which is crucial for applications where power consumption is a critical factor.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 59dB to 39dB across a frequency range of 100Hz to 100kHz, ensuring minimal noise and ripple in the output voltage.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator’s operation, enabling power-saving modes and precise control over the power supply.
• Protection Features: Comprehensive protection features, including over-current, over-temperature reverse, polarity, and under-voltage lockout (UVLO), enhance the reliability and safety of the regulator.
• Compliance and Packaging: The TPS79501DCQRG4 is REACH unaffected and RoHS3 compliant, ensuring meets it environmental and regulatory standards. It is available in a tape and reel (TR) package, facilitating efficient manufacturing processes.

TPS79501DCQRG4 Applications

The TPS79501DCQRG4 is ideal for a variety of applications where precise voltage regulation, low power consumption, and robust protection features are essential. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables where compact design and low power consumption are critical.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that require reliable power management and protection against harsh operating conditions.
• Telecommunications: Applicable in base stations, routers, and other telecom equipment where high PSRR and low noise are necessary for stable operation.
• Automotive Electronics: Can be used in automotive applications such as infotainment systems, electronic control units (ECUs), and advanced driver-assistance systems (ADAS), where reliability and safety are paramount.

Conclusion of TPS79501DCQRG4

The TPS79501DCQRG4 from Texas Instruments is a high-performance linear voltage regulator that offers adjustable output voltage, low quiescent current, and comprehensive protection features. Its compact SOT223 package and surface-mount design make it suitable for space-constrained applications while ensuring reliability and efficiency. Despite being marked as obsolete, the TPS79501DCQRG4 remains a viable option for applications that require a robust and flexible power management solution. Its compliance with REACH and RoHS3 standards further underscores its suitability for modern electronic designs.

TPS79501DCQRG4 Documents

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