Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | SWIFT™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.95V |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 0.827V |
| Voltage - Output (Max) | 4.5V |
| Current - Output | 3A |
| Frequency - Switching | 300kHz ~ 2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The TPS54319RTER is a step-down (buck) DC-DC converter from Texas Instruments. It is part of the TPS54319 series, designed for high-efficiency power conversion in a compact package. This converter offers an input voltage range from 4.5 V to 17 V and can deliver up to 3 A of continuous output current, making it suitable for powering processors, ASICs, and other digital circuits.
Key features of the TPS54319RTER include a fixed switching frequency of 700 kHz, adjustable output voltage, and a high level of integration that minimizes the need for external components. It utilizes a D-CAP2™ control mode, which provides fast transient response and easy loop compensation without complex calculations. The converter also includes an enable pin, a power good output, and protection features like thermal shutdown and over-current protection.
Packaged in a compact WQFN (VQFN) package, the TPS54319RTER is ideal for space-constrained applications while maintaining high power conversion efficiency and performance.
Key features of the TPS54319RTER include a fixed switching frequency of 700 kHz, adjustable output voltage, and a high level of integration that minimizes the need for external components. It utilizes a D-CAP2™ control mode, which provides fast transient response and easy loop compensation without complex calculations. The converter also includes an enable pin, a power good output, and protection features like thermal shutdown and over-current protection.
Packaged in a compact WQFN (VQFN) package, the TPS54319RTER is ideal for space-constrained applications while maintaining high power conversion efficiency and performance.
Equivalent
Equivalent products to the TPS54319RTER, a step-down DC-DC converter, include:
1. LMR33630 by Texas Instruments: Offers similar features and output current.
2. MP28330 by Monolithic Power Systems: Comparable in efficiency and performance.
3. MAX15062 by Maxim Integrated: Features similar voltage range and current capabilities.
4. LT8609 by Analog Devices: Provides close specifications in terms of input/output voltage and efficiency.
Always verify compatibility based on specific application requirements.
1. LMR33630 by Texas Instruments: Offers similar features and output current.
2. MP28330 by Monolithic Power Systems: Comparable in efficiency and performance.
3. MAX15062 by Maxim Integrated: Features similar voltage range and current capabilities.
4. LT8609 by Analog Devices: Provides close specifications in terms of input/output voltage and efficiency.
Always verify compatibility based on specific application requirements.
Features
The TPS54319RTER is a highly efficient synchronous buck converter from Texas Instruments. Key features include:
1. Input Voltage Range: Supports input voltages from 4.5V to 17V, making it versatile for various applications.
2. Output Voltage: Capable of delivering a fixed output voltage as low as 0.8V.
3. Output Current: Can provide up to 3A of continuous output current, suitable for medium-power applications.
4. Efficiency: High efficiency over a wide load range, thanks to its synchronous rectification topology.
5. Switching Frequency: Offers a fixed switching frequency of 700kHz, balancing efficiency and component size.
6. Low Dropout Operation: Ensures stable operation with a low dropout, enhancing performance at lower voltages.
7. Soft-Start Feature: Programmable soft-start to reduce inrush current during startup.
8. Protection Features: Includes over-current protection, thermal shutdown, and undervoltage lockout for increased reliability.
9. Package: Available in a 16-pin WQFN package, supporting compact design requirements.
These features make the TPS54319RTER suitable for applications in telecommunications, consumer electronics, and industrial power systems.
1. Input Voltage Range: Supports input voltages from 4.5V to 17V, making it versatile for various applications.
2. Output Voltage: Capable of delivering a fixed output voltage as low as 0.8V.
3. Output Current: Can provide up to 3A of continuous output current, suitable for medium-power applications.
4. Efficiency: High efficiency over a wide load range, thanks to its synchronous rectification topology.
5. Switching Frequency: Offers a fixed switching frequency of 700kHz, balancing efficiency and component size.
6. Low Dropout Operation: Ensures stable operation with a low dropout, enhancing performance at lower voltages.
7. Soft-Start Feature: Programmable soft-start to reduce inrush current during startup.
8. Protection Features: Includes over-current protection, thermal shutdown, and undervoltage lockout for increased reliability.
9. Package: Available in a 16-pin WQFN package, supporting compact design requirements.
These features make the TPS54319RTER suitable for applications in telecommunications, consumer electronics, and industrial power systems.
Pinout
The TPS54319RTER is a synchronous buck converter from Texas Instruments, designed for applications requiring a compact, efficient power solution. It comes in a 16-pin WQFN (RTJ) package. Here are the pin functions:
1. VIN: Power input voltage.
2. BOOT: Supply input for high-side FET driver.
3. SW: Switch node, connected to the output inductor.
4. GND: Ground.
5. FSW: Frequency set input.
6. COMP: Compensation for the control loop.
7. EN: Enable pin to turn the device on/off.
8. RT/CLK: Sets the switching frequency or synchronizes to an external clock.
9. VREG5: Internal 5V LDO output, used for device internal circuits.
10. SS/TR: Soft-start and tracking.
11. PWRGD: Power good indicator.
12. VBST: Supply input for boot capacitor.
13. AGND: Analog ground for internal circuits.
14. PGND: Power ground.
15. VFB: Feedback input for regulating output voltage.
16. NC: No connection or not internally connected.
This concise description covers the essential pin functions and configurations of the TPS54319RTER.
1. VIN: Power input voltage.
2. BOOT: Supply input for high-side FET driver.
3. SW: Switch node, connected to the output inductor.
4. GND: Ground.
5. FSW: Frequency set input.
6. COMP: Compensation for the control loop.
7. EN: Enable pin to turn the device on/off.
8. RT/CLK: Sets the switching frequency or synchronizes to an external clock.
9. VREG5: Internal 5V LDO output, used for device internal circuits.
10. SS/TR: Soft-start and tracking.
11. PWRGD: Power good indicator.
12. VBST: Supply input for boot capacitor.
13. AGND: Analog ground for internal circuits.
14. PGND: Power ground.
15. VFB: Feedback input for regulating output voltage.
16. NC: No connection or not internally connected.
This concise description covers the essential pin functions and configurations of the TPS54319RTER.
Manufacturer
The TPS54319RTER is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and systems. TI is known for its development of analog chips, embedded processors, and digital signal processors (DSPs), as well as manufacturing a diverse portfolio of semiconductor products used in various electronics and technological applications. The company serves various sectors, including automotive, industrial, personal electronics, communications equipment, and enterprise systems, making it a key player in the electronics industry.
Application
The TPS54319RTER is a synchronous step-down DC-DC converter commonly used in applications requiring efficient power management. Key areas include telecommunications, where it powers network devices and base stations; computing, for powering processors, memory, and ASICs in servers and desktops; and consumer electronics, such as tablets and gaming consoles. It is also employed in industrial systems for motor drives and control systems, in automotive electronics for infotainment systems, and in IoT devices requiring compact, energy-efficient power solutions. Its small size and high efficiency make it suitable for any application needing reliable, compact voltage regulation.
Package
The TPS54319RTER is a DC-DC converter integrated circuit from Texas Instruments. It comes in a WQFN (Quad Flat No-Lead) package type, specifically a 16-pin WQFN with a thermal pad, known as RTE, which provides efficient heat dissipation and a compact footprint suitable for space-constrained applications.
