TPS51200DRCR: Advanced Regulator Solution for DDR Termination
18 January 2024
Ⅱ. Technical parameters of TPS51200DRCR
Ⅲ. What are the advantages of TPS51200DRCR?
Ⅳ. Absolute maximum ratings of TPS51200DRCR
Ⅵ. Where is TPS51200DRCR used?
Ⅶ. TPS51200DRCR symbol, footprint and pin configuration
Ⅷ. How does TPS51200DRCR achieve remote control and monitoring?
TPS51200DRCR is a logic IC produced by Texas Instruments. It is a VTTREF buffered 3A sink/source DDR termination regulator designed specifically for low input voltage and low noise systems where space is a critical consideration. This article will introduce it from the aspects of technical parameters, advantages and applications.
The TPS51200DRCR is a sink-source double data rate (DDR) terminal regulator designed to meet the demands of DDR applications. Featuring an open-drain PGOOD signal for monitoring output regulation and an EN signal that facilitates VTT discharge during S3 (hanging to RAM), this voltage regulator provides a reliable and versatile solution. Capable of delivering up to 3 A from its single output, the TPS51200 boasts a fast transient response and mandates a minimal output capacitance of only 20 µF. Additionally, it supports remote sensing and incorporates a buffered low-noise reference output for enhanced performance.
Housed in a 10-pin VSON package with an exposed thermal pad, the TPS51200DRCR ensures effective heat dissipation. With an operational temperature range spanning from -40°C to 85°C, this voltage regulator is well-suited for diverse environmental conditions, making it a robust and reliable choice for a range of applications.
Alternatives and equivalents:
• ISL6312ACRZ
• L6731D
• The TPS51200DRCR is manufactured by Texas Instruments.
• Its power consumption is 1.92W.
• Its output current is 3A.
• Its input voltage is 1.1 V to 3.5V
• Its operating temperature is -40°C to 85°C.
• Its installation method is SMD or SMT.
• It has 10 pins and comes in VSON-10 package and Tape & Reel (TR) packaging.
• TPS51200DRCR belongs to the DDR termination regulator category.
• The length of the TPS51200DRCR is 3 mm, the width is 3 mm, and the height is 0.9 mm.
First of all, TPS51200DRCR is a low-cost, small-sized power management chip that can be used in a variety of application scenarios.
Secondly, TPS51200DRCR adopts a sink/source DDR terminal regulator design, which can meet the power supply requirements of DDR memory and can provide power management with low noise and low static power consumption. This design helps reduce system power consumption and noise, and improves system energy efficiency and stability.
In addition, the chip uses an external N-channel MOSFET, making the reverse polarity protection function more efficient. In addition, a programmable current limit feature provides a higher level of protection, helping to prevent problems such as system overcurrent and power short circuits.
Finally, the TPS51200DRCR has a VTTREF buffer reference, which can effectively reduce the impact of terminal voltage fluctuations in DDR memory, thereby improving memory performance and stability.
Over operating free-air temperature range (unless otherwise noted)
1. Exposing the device to stresses exceeding the Absolute Maximum Ratings listed may result in irreversible damage. It is important to note that these ratings solely represent stress levels and do not guarantee the proper functioning of the device under such conditions or any others beyond those specified in the Recommended Operating Conditions. Prolonged exposure to conditions at or beyond absolute maximum ratings could potentially impact the reliability of the device.
2. All voltage values are with respect to the network ground terminal unless otherwise noted.
When using TPS51200DRCR, we need to follow its datasheet. First of all, we provide it with suitable working voltage and current to meet the requirements of its normal operation. At the same time, we need to ensure that its operating temperature does not exceed the maximum allowable value to avoid overheating damage.
When connecting to the power supply, we need to pay attention to whether the voltage and current of the power supply match the requirements of the TPS51200DRCR. If the voltage or current is too high, it may cause damage to the IC; if the voltage or current is too low, it may cause the IC to not work properly. Therefore, we need to adjust it according to the actual situation. In addition, we need to pay attention to some details in the process of using. For example, we should avoid exposing the IC to humid or high-temperature environments to avoid affecting its normal operation. At the same time, we need to regularly check whether its connecting lines are loose or damaged to avoid unnecessary losses.
• Notebooks and Ultrabooks: The TPS51200DRCR serves as a core power manager for portable computing devices, ensuring a steady power supply for processor cores, memory, and other essential power domains.
• Servers and workstations: In mainframe computer systems, the TPS51200DRCR is a powerful voltage regulator. It is capable of managing and delivering a variety of voltages to meet the requirements of different components.
• Networking devices: Routers, switches and other networking devices require multiple voltage rails, and the TPS51200DRCR is a highly efficient power management IC that provides stable and efficient power support for these devices.
• Industrial control systems: In industrial environments, it is critical to ensure the stability and reliability of the power supply as the operation of equipment can be affected by unstable power supplies. The TPS51200DRCR is a high performance power management IC that can be used to provide stable and reliable power supplies for equipment in industrial environments to provide continuous, high quality Power support.
• Communication equipment: Wireless base stations, communication servers and other equipment may require complex power systems to provide stable and reliable power support. TPS51200DRCR is a highly reliable power management IC that can be applied in these scenarios.
Pin 1 (REFIN): Reference input
Pin 2 (VLDOIN): Supply voltage for the LDO
Pin 3 (VO): Power output for the LDO
Pin 4 (PGND): Power ground for the LDO
Pin 5 (VOSNS): It is the voltage sense input for the LDO. Connect to positive terminal of the output capacitor or the load.
Pin 6 (REFOUT): It is the reference output. Connect to GND through 0.1-μF ceramic capacitor. If there is a REFOUT capacitors at DDR side, keep total capacitance on REFOUT pin below 0.47μF. The REFOUT pin can not be open.
Pin 7 (EN): For DDR VTT application, connect EN to SLP_S3. For any other application, use the EN pin as the ON/OFF function.
Pin 8 (GND): Signal ground.
Pin 9 (PGOOD): Open-drain, power-good indicator
Pin 10 (VIN): 2.5-V or 3.3-V power supply. A ceramic decoupling capacitor with a value between 1-μF and 4.7-μF is required.
TPS51200DRCR enables remote control and monitoring through its remote sensing (VOSNS) function. This functionality permits direct tracking of external control signals or tracking through a resistor divider for adaptable input tracking, ultimately enabling the remote observation of output regulation. In addition, the TPS51200DRCR provides an open drain PGOOD signal for monitoring output regulation. This signal can be utilized in a remote monitoring system to enable real-time monitoring and regulation of system status. Also, the EN signal can be used to discharge the VTT during S3 (hang up to RAM) of a DDR application.
Frequently Asked Questions
1. What is the operating temperature range of TPS51200DRCR?
The operating temperature of TPS51200DRCR ranges from -40°C to 85°C.
2. What is the TPS51200DRCR used for?
The TPS51200DRCR is used as a synchronous step-down (buck) controller in power supply applications. It is commonly employed in point-of-load regulation scenarios.
3. Can the TPS51200DRCR be used in battery-powered applications?
Yes, the TPS51200DRCR can be used in battery-powered applications, as it has a wide input voltage range that accommodates various battery configurations.
4. What is the role of the regulator?
Regulators carry out a range of functions in relation to the professions they regulate, including making sure individuals have the necessary qualifications and/or experience to practise the profession and taking any necessary enforcement action.
