사양
| 속성 | 가치 |
| 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 | 2A |
| Frequency-Switching | 200kHz ~ 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-WFQFN Exposed Pad |
개요
Description
The TPS54218RTER is a high-frequency synchronous buck converter from Texas Instruments. It is designed to provide a compact, efficient power supply solution in a variety of applications. The device operates with a wide input voltage range between 4.5V and 17V, making it versatile for different power sources. It can deliver up to 2A of continuous output current, catering to moderate power needs.
The TPS54218 features an integrated MOSFET, which enhances efficiency and reduces the need for external components. This makes the design more compact and simplifies the overall circuit. With a switching frequency of up to 2MHz, it enables the use of smaller inductors and capacitors, further minimizing the solution size.
Additional features include adjustable output voltage, internal compensation, and an enable pin for easy control. The device also incorporates various protection mechanisms, such as thermal shutdown, over-current protection, and under-voltage lockout, ensuring reliable operation. The TPS54218RTER is typically used in applications like telecommunications, industrial equipment, and consumer electronics.
The TPS54218 features an integrated MOSFET, which enhances efficiency and reduces the need for external components. This makes the design more compact and simplifies the overall circuit. With a switching frequency of up to 2MHz, it enables the use of smaller inductors and capacitors, further minimizing the solution size.
Additional features include adjustable output voltage, internal compensation, and an enable pin for easy control. The device also incorporates various protection mechanisms, such as thermal shutdown, over-current protection, and under-voltage lockout, ensuring reliable operation. The TPS54218RTER is typically used in applications like telecommunications, industrial equipment, and consumer electronics.
Equivalent
The TPS54218RTER is a DC-DC buck converter from Texas Instruments. Equivalent products include:
1. LMR33630 - A synchronous buck converter by Texas Instruments.
2. ADP2370 - A step-down converter by Analog Devices.
3. MP2315 - A synchronous step-down converter by Monolithic Power Systems.
4. LM43603 - A synchronous buck converter by Texas Instruments.
5. LT8608 - A step-down converter by Analog Devices.
These alternatives have similar functionality and efficiency but check specifications for compatibility.
1. LMR33630 - A synchronous buck converter by Texas Instruments.
2. ADP2370 - A step-down converter by Analog Devices.
3. MP2315 - A synchronous step-down converter by Monolithic Power Systems.
4. LM43603 - A synchronous buck converter by Texas Instruments.
5. LT8608 - A step-down converter by Analog Devices.
These alternatives have similar functionality and efficiency but check specifications for compatibility.
Features
The TPS54218RTER is a DC-DC buck converter from Texas Instruments. Key features include:
1. Input Voltage Range: Operates with an input voltage range of 2.95 V to 6 V.
2. Output Current: Capable of delivering up to 2 A of output current.
3. Efficiency: High efficiency through its D-CAP2™ mode control, which supports low output ripple and fast transient response.
4. Switching Frequency: Adjustable, with a typical range around 2 MHz, allowing for smaller external components.
5. Soft Start: Integrates a soft-start feature to reduce inrush current during power-up.
6. Protection Features: Includes overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown for enhanced reliability.
7. Package: Available in a compact 16-pin WQFN package, beneficial for space-constrained applications.
8. Application: Suited for use in consumer electronics, industrial applications, and point-of-load power supplies.
These features make the TPS54218RTER suitable for applications requiring efficient, high-current power conversion in a small form factor.
1. Input Voltage Range: Operates with an input voltage range of 2.95 V to 6 V.
2. Output Current: Capable of delivering up to 2 A of output current.
3. Efficiency: High efficiency through its D-CAP2™ mode control, which supports low output ripple and fast transient response.
4. Switching Frequency: Adjustable, with a typical range around 2 MHz, allowing for smaller external components.
5. Soft Start: Integrates a soft-start feature to reduce inrush current during power-up.
6. Protection Features: Includes overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown for enhanced reliability.
7. Package: Available in a compact 16-pin WQFN package, beneficial for space-constrained applications.
8. Application: Suited for use in consumer electronics, industrial applications, and point-of-load power supplies.
These features make the TPS54218RTER suitable for applications requiring efficient, high-current power conversion in a small form factor.
Pinout
The TPS54218RTER is a synchronous step-down (buck) converter from Texas Instruments. It is part of the SWIFT™ family of DC-DC converters and comes in a 16-pin WQFN (RTE) package. The device is designed for ease of use and high efficiency in power supply designs.
Here is a brief overview of its pin functions:
1. BOOT - Bootstrap capacitor connection.
2. VIN - Input voltage supply.
3. SW - Switch node, connected to the inductor.
4. GND - Ground.
5. FB - Feedback pin for output voltage regulation.
6. COMP - Compensation for the control loop.
7. EN - Enable pin to turn the device on or off.
8. SS/TR - Soft-start and tracking pin.
9. RT/CLK - Frequency set and synchronization input.
10. PGOOD - Power good signal.
11. VREG5 - 5V internal regulator output.
12. VBST - Bootstrap voltage input.
13. AGND - Analog ground.
14. PWRGD - Power Good output, indicating regulation status.
15. NC - No connection or reserved.
16. NC - No connection or reserved.
This device is commonly used in applications requiring efficient step-down voltage conversion.
Here is a brief overview of its pin functions:
1. BOOT - Bootstrap capacitor connection.
2. VIN - Input voltage supply.
3. SW - Switch node, connected to the inductor.
4. GND - Ground.
5. FB - Feedback pin for output voltage regulation.
6. COMP - Compensation for the control loop.
7. EN - Enable pin to turn the device on or off.
8. SS/TR - Soft-start and tracking pin.
9. RT/CLK - Frequency set and synchronization input.
10. PGOOD - Power good signal.
11. VREG5 - 5V internal regulator output.
12. VBST - Bootstrap voltage input.
13. AGND - Analog ground.
14. PWRGD - Power Good output, indicating regulation status.
15. NC - No connection or reserved.
16. NC - No connection or reserved.
This device is commonly used in applications requiring efficient step-down voltage conversion.
Manufacturer
The TPS54218RTER is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company known for designing and manufacturing a wide range of electronic components. TI specializes in analog chips, embedded processors, and other semiconductor products used in various applications such as automotive, industrial equipment, personal electronics, and communications. The company is recognized for its innovation and extensive product portfolio in the semiconductor industry.
Application
The TPS54218RTER is a high-efficiency, synchronous step-down DC-DC converter designed for a variety of applications. Its primary application areas include:
1. Point-of-Load Regulation: Ideal for powering microprocessors, FPGAs, DSPs, and ASICs in computing and networking equipment.
2. Industrial Power Systems: Suitable for industrial automation, control systems, and instrumentation requiring stable power.
3. Consumer Electronics: Used in gaming consoles, set-top boxes, and other home electronics needing efficient voltage regulation.
4. Telecommunications Equipment: Provides reliable power conversion for telecommunication infrastructure.
5. Automotive Systems: Supports infotainment systems and advanced driver-assistance systems (ADAS).
Its compact size, high efficiency, and wide input voltage range make it versatile for various power management needs.
1. Point-of-Load Regulation: Ideal for powering microprocessors, FPGAs, DSPs, and ASICs in computing and networking equipment.
2. Industrial Power Systems: Suitable for industrial automation, control systems, and instrumentation requiring stable power.
3. Consumer Electronics: Used in gaming consoles, set-top boxes, and other home electronics needing efficient voltage regulation.
4. Telecommunications Equipment: Provides reliable power conversion for telecommunication infrastructure.
5. Automotive Systems: Supports infotainment systems and advanced driver-assistance systems (ADAS).
Its compact size, high efficiency, and wide input voltage range make it versatile for various power management needs.
Package
The TPS54218RTER is a DC-DC buck converter, and it comes in a 16-pin WQFN (Quad Flat No-Lead) package, specifically designated as "RTE" in TI's packaging system.
