TPS78408QDBVRQ1 - Automotive 150-mA, low-IQ, low-dropout voltage regulator from Texas Instruments

The TPS78408QDBVRQ1 is a high-performance, low-dropout (LDO) voltage regulator specifically designed to meet the rigorous standards of the automotive industry. Manufactured by Texas Instruments, a leader in semiconductor solutions, this regulator offers a stable and reliable power supply, making it ideal for automotive applications that require low quiescent current and a wide input voltage range.

Key Features:

• High Output Accuracy: The device provides excellent regulation with a typical accuracy of 2% over temperature, line, and load variations, ensuring a consistent output voltage for sensitive electronics.
• Low Dropout Voltage: With a low dropout voltage, the TPS78408QDBVRQ1 can maintain a stable output even when the input voltage is close to the output voltage, making it highly efficient in battery-operated systems.
• Low Quiescent Current: The device features a low quiescent current of typically 25 µA, which is essential for reducing standby power consumption and extending battery life in automotive applications.
• Wide Input Voltage Range: It operates over a wide input voltage range from 2.7 V to 6.5 V, accommodating various power supply conditions found in automotive environments.
• Thermal Shutdown and Overcurrent Protection: Built-in safety features include thermal shutdown and overcurrent protection, safeguarding the device and connected components from damage due to excessive heat or current.
• Qualified for Automotive Applications: The TPS78408QDBVRQ1 is qualified for automotive applications, complying with the AEC-Q100 Grade 1 standard, which ensures reliable performance under extreme automotive operating conditions.

Applications:

This voltage regulator is suitable for a diverse range of automotive applications, including infotainment systems, advanced driver assistance systems (ADAS), body control modules, and other automotive-related electronics that demand a stable and efficient power supply.

Package and Availability:

The TPS78408QDBVRQ1 is available in a compact SOT-23-5 package, providing a space-saving solution for the increasingly dense PCB layouts found in modern automotive electronics. For pricing and availability, please contact Texas Instruments or an authorized distributor.