Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Applications | Controller, DDR |
| Voltage-Input | 3V ~ 28V |
| NumberofOutputs | 1 |
| Voltage-Output | 1.2V, 1.35V, 1.5V, 1.8V, 2.5V, Adj |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 20-PowerTSSOP (0.173, 4.40mm Width) |
Overview
Description
The TPS51116PWPR is a versatile, high-efficiency, synchronous buck controller designed by Texas Instruments for power management in computing and consumer electronics. It is primarily used to power DDR memory and chipset components. The device integrates a low-dropout (LDO) regulator to provide a stable output voltage, which is crucial for the dynamic voltage needs of DDR memory applications.
Key features include a wide input voltage range, typically from 2.7V to 5.5V, which allows it to be used with a variety of power sources. The TPS51116PWPR also supports power-saving modes, such as skip mode, to enhance efficiency during light-load conditions. It includes an adjustable output voltage feature, allowing precise voltage regulation tailored to specific application requirements.
The controller is housed in a compact TSSOP-14 package, suitable for space-constrained designs. Its protection features, such as overcurrent protection and thermal shutdown, ensure reliable operation and protect against potential damage. Overall, the TPS51116PWPR is valued for its efficiency, flexibility, and reliability in managing power for DDR memory and related components.
Key features include a wide input voltage range, typically from 2.7V to 5.5V, which allows it to be used with a variety of power sources. The TPS51116PWPR also supports power-saving modes, such as skip mode, to enhance efficiency during light-load conditions. It includes an adjustable output voltage feature, allowing precise voltage regulation tailored to specific application requirements.
The controller is housed in a compact TSSOP-14 package, suitable for space-constrained designs. Its protection features, such as overcurrent protection and thermal shutdown, ensure reliable operation and protect against potential damage. Overall, the TPS51116PWPR is valued for its efficiency, flexibility, and reliability in managing power for DDR memory and related components.
Equivalent
The TPS51116PWPR is a DDR power controller commonly used in memory applications. Equivalent products include:
1. ISL6236 from Renesas: Offers similar functionality for DDR applications.
2. RT8206 from Richtek: Provides comparable features for power management.
3. APW7313 from Anpec: Another DDR power solution with similar specifications.
4. IR3570 from Infineon: Can be used for DDR power management with similar capabilities.
Always verify specific requirements and compatibility with your design before selecting a replacement.
1. ISL6236 from Renesas: Offers similar functionality for DDR applications.
2. RT8206 from Richtek: Provides comparable features for power management.
3. APW7313 from Anpec: Another DDR power solution with similar specifications.
4. IR3570 from Infineon: Can be used for DDR power management with similar capabilities.
Always verify specific requirements and compatibility with your design before selecting a replacement.
Features
The TPS51116PWPR is a dual synchronous buck controller designed for efficient power management in DDR memory applications. Key features include:
1. Input Voltage Range: It supports a wide input voltage range, typically from 3 V to 28 V, making it versatile for various applications.
2. Output Voltage: The device can generate two independent output voltages, essential for providing the necessary VDDQ and VTT voltages required by DDR memory systems.
3. VTT Output: It features a VTT output that tracks VDDQ/2, ensuring precise memory termination voltage.
4. Efficiency: The device is designed for high efficiency with low RDS(on) MOSFETs.
5. Built-in MOSFET Drivers: It includes integrated MOSFET drivers to simplify design and improve performance.
6. Programmable Switching Frequency: The switching frequency can be adjusted to optimize the power supply design.
7. Soft-Start and Power Good: It provides soft-start functionality and a power-good signal to ensure smooth power-up sequencing.
8. Protections: Features such as overcurrent protection, thermal shutdown, and undervoltage lockout enhance system reliability.
These features make the TPS51116PWPR ideal for powering DDR memory in laptops, desktops, and various other computing systems.
1. Input Voltage Range: It supports a wide input voltage range, typically from 3 V to 28 V, making it versatile for various applications.
2. Output Voltage: The device can generate two independent output voltages, essential for providing the necessary VDDQ and VTT voltages required by DDR memory systems.
3. VTT Output: It features a VTT output that tracks VDDQ/2, ensuring precise memory termination voltage.
4. Efficiency: The device is designed for high efficiency with low RDS(on) MOSFETs.
5. Built-in MOSFET Drivers: It includes integrated MOSFET drivers to simplify design and improve performance.
6. Programmable Switching Frequency: The switching frequency can be adjusted to optimize the power supply design.
7. Soft-Start and Power Good: It provides soft-start functionality and a power-good signal to ensure smooth power-up sequencing.
8. Protections: Features such as overcurrent protection, thermal shutdown, and undervoltage lockout enhance system reliability.
These features make the TPS51116PWPR ideal for powering DDR memory in laptops, desktops, and various other computing systems.
Pinout
The TPS51116PWPR is a Synchronous Buck Controller specifically designed for DDR memory power applications. It is produced by Texas Instruments. The device typically comes in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.
Here's a brief overview of its pin functions:
1. VIN: Input voltage supply.
2. EN: Enable pin to turn the device on/off.
3. FB: Feedback input for output voltage regulation.
4. COMP: Compensation pin for stabilizing the control loop.
5. SS: Soft-start control pin.
6. PGOOD: Power good indicator.
7. VDDQ: Output voltage for DDR memory.
8. VTT: Termination voltage output.
9. VTTREF: Reference voltage output for VTT.
10. GND: Ground connection.
11. PHASE: Connects to the switching node.
12. SW: Switching node for connecting an inductor.
13. BOOT: Bootstrap capacitor connection for high-side driver.
14. LGATE: Low-side gate drive output.
15. UGATE: High-side gate drive output.
16. VREF: Reference voltage input.
17. MODE: Mode selection pin.
18. SS_TR: Soft-start tracking input.
19. VDDQSNS: Sense input for VDDQ.
20. VTT_SNS: Sense input for VTT.
These pins support efficient power management for DDR memory applications. Always refer to the official datasheet for detailed and specific information.
Here's a brief overview of its pin functions:
1. VIN: Input voltage supply.
2. EN: Enable pin to turn the device on/off.
3. FB: Feedback input for output voltage regulation.
4. COMP: Compensation pin for stabilizing the control loop.
5. SS: Soft-start control pin.
6. PGOOD: Power good indicator.
7. VDDQ: Output voltage for DDR memory.
8. VTT: Termination voltage output.
9. VTTREF: Reference voltage output for VTT.
10. GND: Ground connection.
11. PHASE: Connects to the switching node.
12. SW: Switching node for connecting an inductor.
13. BOOT: Bootstrap capacitor connection for high-side driver.
14. LGATE: Low-side gate drive output.
15. UGATE: High-side gate drive output.
16. VREF: Reference voltage input.
17. MODE: Mode selection pin.
18. SS_TR: Soft-start tracking input.
19. VDDQSNS: Sense input for VDDQ.
20. VTT_SNS: Sense input for VTT.
These pins support efficient power management for DDR memory applications. Always refer to the official datasheet for detailed and specific information.
Manufacturer
The TPS51116PWPR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for its design and manufacturing of analog and embedded processing chips. They produce a wide range of electronic components used in various applications, including power management, automotive, industrial, and consumer electronics. The company is headquartered in Dallas, Texas, and is recognized for its innovation and reliability in the semiconductor industry.
Application
The TPS51116PWPR is a synchronous buck controller designed for power management in computing and consumer electronics. It is commonly used in applications such as notebook computers, desktop PCs, and servers where precise power regulation is essential. The device is suited for DDR memory power supplies, providing both VDDQ and VTT outputs, making it ideal for powering DDR, DDR2, and DDR3 memory systems. Additionally, its high efficiency and low power consumption make it suitable for use in embedded systems and other devices requiring efficient voltage regulation and transient response.
Package
The TPS51116PWPR is a power management IC from Texas Instruments, typically housed in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. The package type is identified with "PWPR" which indicates a TSSOP with a PowerPAD, enhancing thermal performance.
