Overview
The TPS51631ARSMR is a 3-phase DCAP+ Step-Down Controller designed by Texas Instruments for Intel VR12.5 mobile CPU core voltage regulation. This controller is part of the TPS51631 family and is optimized for high-performance, low-power applications. It features advanced power management capabilities, making it suitable for demanding mobile and embedded systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Phases | 3 |
| Output Voltage Range | 0.25V to 1.52V |
| Switching Frequency | Up to 1.5 MHz |
| Package Type | QFN-40 |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 4.5V to 24V |
Key Features
- Advanced DCAP+ architecture for improved transient response and reduced output capacitance.
- High switching frequency up to 1.5 MHz for smaller component size.
- Integrated overcurrent protection, undervoltage lockout, and thermal shutdown.
- Support for dynamic voltage identification (DVID) and adaptive voltage positioning (AVP).
- Low standby current for power-efficient operation.
Applications
The TPS51631ARSMR is primarily used in mobile and embedded systems that require high-performance and low-power voltage regulation, such as:
- Intel VR12.5 mobile CPUs.
- High-performance laptops and tablets.
- Embedded systems requiring advanced power management.
Q & A
- What is the primary application of the TPS51631ARSMR?
The primary application is for Intel VR12.5 mobile CPU core voltage regulation. - How many phases does the TPS51631ARSMR support?
It supports 3 phases. - What is the output voltage range of the TPS51631ARSMR?
The output voltage range is from 0.25V to 1.52V. - What is the maximum switching frequency of the TPS51631ARSMR?
The maximum switching frequency is up to 1.5 MHz. - What package type is the TPS51631ARSMR available in?
It is available in a QFN-40 package. - What are the key features of the DCAP+ architecture in the TPS51631ARSMR?
The DCAP+ architecture provides improved transient response and reduced output capacitance. - Does the TPS51631ARSMR support dynamic voltage identification (DVID)?
Yes, it supports DVID and adaptive voltage positioning (AVP). - What are the integrated protection features of the TPS51631ARSMR?
It includes overcurrent protection, undervoltage lockout, and thermal shutdown. - What is the operating temperature range of the TPS51631ARSMR?
The operating temperature range is from -40°C to 125°C. - What is the input voltage range of the TPS51631ARSMR?
The input voltage range is from 4.5V to 24V.
