仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | SWIFT™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.95V |
| Voltage-Input(Max) | 6V |
| Voltage-Output(Min/Fixed) | 0.803V |
| Voltage-Output(Max) | 4.5V |
| Current-Output | 3A |
| Frequency-Switching | 200kHz ~ 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-WFQFN Exposed Pad |
概要
Description
The TPS54318RTER is a high-efficiency, synchronous buck converter by Texas Instruments. It is designed to step down a voltage from a higher supply to a lower output voltage, suitable for powering low-voltage digital cores in applications such as telecommunications or computing. The device supports an input voltage range of 2.95 V to 6 V, making it compatible with a variety of power sources, including batteries.
Key features of the TPS54318RTER include a 3 A output current capability, integrated MOSFETs for reduced component count, and a high switching frequency (up to 2.5 MHz) that allows for the use of small external components, minimizing PCB footprint. The device also offers adjustable output voltage via an external resistor divider and incorporates various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
With its compact 16-pin WQFN package, the TPS54318RTER is well-suited for space-constrained applications that demand high power density and robust performance.
Key features of the TPS54318RTER include a 3 A output current capability, integrated MOSFETs for reduced component count, and a high switching frequency (up to 2.5 MHz) that allows for the use of small external components, minimizing PCB footprint. The device also offers adjustable output voltage via an external resistor divider and incorporates various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
With its compact 16-pin WQFN package, the TPS54318RTER is well-suited for space-constrained applications that demand high power density and robust performance.
Equivalent
Equivalent products to the TPS54318RTER, a DC-DC step-down converter from Texas Instruments, include:
1. MP2315 from Monolithic Power Systems: Offers similar input voltage and output current specifications.
2. LMR33630 from Texas Instruments: Another high-efficiency buck converter with similar features.
3. LTC3643 from Analog Devices: Provides similar input/output range and efficiency.
4. MAX17502 from Maxim Integrated: Offers comparable current handling and efficiency.
Always verify specific requirements like package type, thermal performance, and unique features before selecting an alternative.
1. MP2315 from Monolithic Power Systems: Offers similar input voltage and output current specifications.
2. LMR33630 from Texas Instruments: Another high-efficiency buck converter with similar features.
3. LTC3643 from Analog Devices: Provides similar input/output range and efficiency.
4. MAX17502 from Maxim Integrated: Offers comparable current handling and efficiency.
Always verify specific requirements like package type, thermal performance, and unique features before selecting an alternative.
Features
The TPS54318RTER is a high-performance DC-DC converter designed by Texas Instruments. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 2.95V to 6V, making it suitable for various applications including low-voltage systems.
2. Output Current: Capable of delivering up to 3A of continuous output current, which is ideal for powering a variety of loads.
3. Efficiency: High efficiency up to 95%, which reduces power loss and thermal stress, enhancing overall system performance.
4. Switching Frequency: Operates at a fixed switching frequency of 2.5 MHz, allowing for compact solution size with small external components.
5. Soft Start: Features an adjustable soft-start time to prevent inrush current during power-up.
6. Protection Features: Includes over-current protection, thermal shutdown, and output short-circuit protection to enhance system reliability.
7. Package: Comes in a 16-pin VQFN package, which is compact and allows for high-density PCB design.
These features make the TPS54318RTER a versatile and robust choice for a wide range of power management applications.
1. Input Voltage Range: It supports a wide input voltage range from 2.95V to 6V, making it suitable for various applications including low-voltage systems.
2. Output Current: Capable of delivering up to 3A of continuous output current, which is ideal for powering a variety of loads.
3. Efficiency: High efficiency up to 95%, which reduces power loss and thermal stress, enhancing overall system performance.
4. Switching Frequency: Operates at a fixed switching frequency of 2.5 MHz, allowing for compact solution size with small external components.
5. Soft Start: Features an adjustable soft-start time to prevent inrush current during power-up.
6. Protection Features: Includes over-current protection, thermal shutdown, and output short-circuit protection to enhance system reliability.
7. Package: Comes in a 16-pin VQFN package, which is compact and allows for high-density PCB design.
These features make the TPS54318RTER a versatile and robust choice for a wide range of power management applications.
Pinout
The TPS54318RTER is a step-down converter from Texas Instruments. It comes in a 16-pin WQFN (RTE) package. The main functions of the TPS54318RTER include:
1. VIN - Power input.
2. SW - Switch node, connected to the inductor.
3. BOOT - Bootstrap capacitor connection for driving the high-side FET.
4. EN - Enable pin to turn the device on or off.
5. SS/TR - Soft-start and tracking pin for controlled startup.
6. COMP - Output of the error amplifier, used for loop compensation.
7. FB - Feedback pin for voltage regulation.
8. GND - Ground connection.
9. PGND - Power ground for the high-current path.
10. RT/CLK - Resistor timing for switching frequency adjustment or external clock synchronization.
11. PWRGD - Power good indicator.
12. VREG5 - Internal regulator output.
13. VREG5-SNS - Sense pin for the internal VREG5 regulator.
14. ILIM - Current limit setting.
15. (Other pins may be omitted for brevity.)
These functionalities help in delivering efficient power conversion and regulation for various applications.
1. VIN - Power input.
2. SW - Switch node, connected to the inductor.
3. BOOT - Bootstrap capacitor connection for driving the high-side FET.
4. EN - Enable pin to turn the device on or off.
5. SS/TR - Soft-start and tracking pin for controlled startup.
6. COMP - Output of the error amplifier, used for loop compensation.
7. FB - Feedback pin for voltage regulation.
8. GND - Ground connection.
9. PGND - Power ground for the high-current path.
10. RT/CLK - Resistor timing for switching frequency adjustment or external clock synchronization.
11. PWRGD - Power good indicator.
12. VREG5 - Internal regulator output.
13. VREG5-SNS - Sense pin for the internal VREG5 regulator.
14. ILIM - Current limit setting.
15. (Other pins may be omitted for brevity.)
These functionalities help in delivering efficient power conversion and regulation for various applications.
Manufacturer
The TPS54318RTER is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components. TI is well-known for its development and manufacturing of analog and embedded processing chips used in various applications across industries such as consumer electronics, automotive, industrial, and communications equipment. The company is headquartered in Dallas, Texas, and has a long history in the semiconductor industry, having been founded in 1930.
Application
The TPS54318RTER is a step-down DC-DC converter designed for applications that require efficient power management. Its application areas include:
1. Telecommunications Equipment: Efficient power conversion for network infrastructure.
2. Computing and Data Centers: Power regulation for processors and memory modules.
3. Consumer Electronics: Used in devices like TVs and set-top boxes for power efficiency.
4. Industrial Automation: Provides reliable power to control systems and sensors.
5. Automotive Systems: Supplies stable power for infotainment and advanced driver-assistance systems (ADAS).
6. Medical Devices: Ensures precise power delivery in sensitive electronic equipment.
Its ability to support high current loads with efficiency makes it versatile across various sectors.
1. Telecommunications Equipment: Efficient power conversion for network infrastructure.
2. Computing and Data Centers: Power regulation for processors and memory modules.
3. Consumer Electronics: Used in devices like TVs and set-top boxes for power efficiency.
4. Industrial Automation: Provides reliable power to control systems and sensors.
5. Automotive Systems: Supplies stable power for infotainment and advanced driver-assistance systems (ADAS).
6. Medical Devices: Ensures precise power delivery in sensitive electronic equipment.
Its ability to support high current loads with efficiency makes it versatile across various sectors.
Package
The TPS54318RTER is a step-down converter from Texas Instruments, available in a 16-pin WQFN (RTE) package. The WQFN, or "Wettable Flank Quad Flat No-Lead," package provides compact size and efficient thermal performance, suitable for high-density applications.
