The TPS43351QDAPRQ1 is a high-performance, dual-output synchronous buck controller from Texas Instruments, designed specifically for automotive applications. This advanced power management IC is engineered to meet the rigorous standards of the automotive industry, offering outstanding reliability and efficiency for in-vehicle systems.

Key Features:

• Wide Input Voltage Range: The device supports an input voltage range from 3.5V to 42V, making it versatile for various automotive power systems, including those subjected to cold-crank and stop-start conditions.
• Dual-Output Configuration: It features two independently controlled outputs, which can be set to operate in 180-degree out-of-phase to reduce input capacitance and ripple.
• High Efficiency: With its synchronous rectification and low quiescent current, the TPS43351QDAPRQ1 ensures efficient power conversion, which is critical for reducing energy consumption in automotive applications.
• Adjustable Frequency: The switching frequency is adjustable from 100 kHz to 2.2 MHz, allowing designers to optimize the trade-off between efficiency and component size.
• Robust Protection Features: The device includes a comprehensive suite of protection features such as overcurrent protection, overvoltage protection, and thermal shutdown to ensure the safety and durability of the application.

Applications:

The TPS43351QDAPRQ1 is ideal for a wide range of automotive applications, including infotainment systems, advanced driver assistance systems (ADAS), and other automotive power systems that require multiple regulated voltages.

Package and Availability:

This controller is available in a 32-pin HTSSOP (DAP) PowerPAD™ package, which is optimized for thermal performance. The device is qualified for automotive applications and is compliant with the AEC-Q100 Grade 1 standard, ensuring operation over a temperature range of -40°C to +125°C.

For detailed specifications, application notes, and evaluation modules, visit the Texas Instruments official website or contact your local TI sales representative.