The industry's first fully integrated DDR memory power solution

Jan 25 2017 2017-01 Power Texas Instruments

Texas Instruments announced the industry's first fully integrated power management solution, the first for double data Rate (DDR) 2, DDR3 and DDR3L memory subsystems in automotive and industrial applications. The TPS54116-Q1 DC/DC Buck converter is a 4-A synchronous buck converter with input voltages of 2.95-V to 6-V, with 1-A peak reverse/source current DDR termination regulator and buffer reference, which reduces system size by 50% compared to a discrete implementation.

The TPS54116-Q1 powers not only DDR memory for telecommunications, test and measurement, and factory automation equipment, but also automotive applications such as infotainment systems, advanced driver assistance systems (ADAS), and dashboards. Used in conjunction with the TI WEBENCH® online design tool, the TPS54116-Q1 simplifies power conversion and speeds up the power supply design process. For more information, samples and evaluation modules, visit www.ti.com.cn/tps54116q1-pr-cn.

As the latest addition to TI's industry-leading DC/DC converter portfolio, the TPS54116-Q1 step-down converter offers switching frequencies up to 2.5 MHZ and solution size reduction by integrating SOSFET and reducing inductor size. Switching frequencies can also be set in the medium wave radio band for noise sensitive applications and synchronized with external clocks. Read the blog post "Four Design Tips for Getting a 2 MHZ Switching Frequency."

Download "Automotive Power Supply Reference Design for Low-Power TDA3x Systems" to create an ADAS integrated, size-optimized power solution with TPS54116-Q1 while using TI's TDA3 system-on-chip.

Key features and benefits of TPS54116-Q1:

● Integrated high-low power MOSFETs and 1-A reverse/source current DDR VTT termination regulators to support 4A continuous output current.

● Current mode control with an external clock synchronization function keeps the frequency constant throughout the output load range.

● Automotive Electronics Council (AEC)-Q100 certified with 4kV electrostatic discharge (ESD) protection for automotive applications.

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