仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR) |
| Series | D-CAP2™ |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 17V |
| Voltage - Output (Min/Fixed) | 0.76V |
| Voltage - Output (Max) | 7V |
| Current - Output | 3A |
| Frequency - Switching | 650kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The TPS563219DDFR is a step-down synchronous buck converter designed by Texas Instruments. It is part of their Simple Switcher series, offering a compact and efficient solution for DC-DC conversion. The device is capable of driving up to 3A of continuous output current, making it suitable for applications requiring moderate power levels.
Operating over a wide input voltage range from 4.5V to 17V, the TPS563219DDFR can efficiently step down to lower output voltages as needed. It features an integrated high-side and low-side MOSFET, which enhances its efficiency and reduces the number of external components required.
The TPS563219DDFR also incorporates advanced features such as internal compensation, soft start, and overcurrent protection, ensuring reliable performance and ease of design. Its small 2x2mm WSON package makes it ideal for space-constrained applications. Typical use cases include powering processors, FPGAs, and other digital ICs in consumer electronics, communication equipment, and industrial applications.
Overall, the TPS563219DDFR offers a robust solution for engineers seeking an efficient and compact buck converter.
Operating over a wide input voltage range from 4.5V to 17V, the TPS563219DDFR can efficiently step down to lower output voltages as needed. It features an integrated high-side and low-side MOSFET, which enhances its efficiency and reduces the number of external components required.
The TPS563219DDFR also incorporates advanced features such as internal compensation, soft start, and overcurrent protection, ensuring reliable performance and ease of design. Its small 2x2mm WSON package makes it ideal for space-constrained applications. Typical use cases include powering processors, FPGAs, and other digital ICs in consumer electronics, communication equipment, and industrial applications.
Overall, the TPS563219DDFR offers a robust solution for engineers seeking an efficient and compact buck converter.
Equivalent
The TPS563219DDFR is a DC-DC step-down (buck) converter from Texas Instruments. Equivalent products from other manufacturers might include:
1. LMR33630 - Texas Instruments
2. MP2315 - Monolithic Power Systems
3. AP63205WU - Diodes Incorporated
4. LM76002 - Texas Instruments (Similar feature set with slight variations)
Ensure compatibility by comparing specific features like input voltage range, output current, efficiency, and package type.
1. LMR33630 - Texas Instruments
2. MP2315 - Monolithic Power Systems
3. AP63205WU - Diodes Incorporated
4. LM76002 - Texas Instruments (Similar feature set with slight variations)
Ensure compatibility by comparing specific features like input voltage range, output current, efficiency, and package type.
Features
The TPS563219DDFR is a DC-DC step-down converter designed by Texas Instruments. Key features include:
1. Input Voltage Range: Supports a wide input range from 4.5V to 17V.
2. Output Current: Delivers a continuous output current of up to 3A.
3. Efficiency: High efficiency, with a peak of up to 95%, due to its synchronous rectification.
4. Switching Frequency: Operates at a fixed frequency of 580 kHz, which allows for smaller external components and a more compact design.
5. Low Quiescent Current: Features a low quiescent current, making it suitable for battery-powered applications.
6. Soft Start: Includes an adjustable soft-start mechanism to prevent inrush current.
7. Protection Features: Provides overcurrent protection, short circuit protection, thermal shutdown, and under-voltage lockout to enhance reliability.
8. Mode of Operation: Supports both Pulse Frequency Modulation (PFM) and Pulse Width Modulation (PWM) for efficiency across different loads.
9. Package: Comes in a small SOT-23-6 package, which is ideal for space-constrained applications.
These features make the TPS563219DDFR suitable for applications such as consumer electronics, computers, and networking equipment.
1. Input Voltage Range: Supports a wide input range from 4.5V to 17V.
2. Output Current: Delivers a continuous output current of up to 3A.
3. Efficiency: High efficiency, with a peak of up to 95%, due to its synchronous rectification.
4. Switching Frequency: Operates at a fixed frequency of 580 kHz, which allows for smaller external components and a more compact design.
5. Low Quiescent Current: Features a low quiescent current, making it suitable for battery-powered applications.
6. Soft Start: Includes an adjustable soft-start mechanism to prevent inrush current.
7. Protection Features: Provides overcurrent protection, short circuit protection, thermal shutdown, and under-voltage lockout to enhance reliability.
8. Mode of Operation: Supports both Pulse Frequency Modulation (PFM) and Pulse Width Modulation (PWM) for efficiency across different loads.
9. Package: Comes in a small SOT-23-6 package, which is ideal for space-constrained applications.
These features make the TPS563219DDFR suitable for applications such as consumer electronics, computers, and networking equipment.
Pinout
The TPS563219DDFR is a step-down (buck) converter integrated circuit by Texas Instruments. It comes in an 8-pin configuration. The main function of this device is to convert a higher voltage input to a lower, regulated output voltage, suitable for powering various electronics.
Here are the functions of each pin:
1. Pin 1 (BOOT): Bootstrap capacitor connection for driving the gate of the high-side MOSFET.
2. Pin 2 (VIN): Input voltage supply pin, connected to the power supply.
3. Pin 3 (EN): Enable pin to turn the device on or off.
4. Pin 4 (SS/TR): Soft start and tracking pin to control the soft-start period or track an external voltage.
5. Pin 5 (GND): Ground connection.
6. Pin 6 (FB): Feedback pin for output voltage regulation.
7. Pin 7 (PG): Power good indicator pin to signal when the output is within regulation limits.
8. Pin 8 (SW): Switching output pin connected to the inductor.
This configuration enables efficient voltage regulation for various electronic applications.
Here are the functions of each pin:
1. Pin 1 (BOOT): Bootstrap capacitor connection for driving the gate of the high-side MOSFET.
2. Pin 2 (VIN): Input voltage supply pin, connected to the power supply.
3. Pin 3 (EN): Enable pin to turn the device on or off.
4. Pin 4 (SS/TR): Soft start and tracking pin to control the soft-start period or track an external voltage.
5. Pin 5 (GND): Ground connection.
6. Pin 6 (FB): Feedback pin for output voltage regulation.
7. Pin 7 (PG): Power good indicator pin to signal when the output is within regulation limits.
8. Pin 8 (SW): Switching output pin connected to the inductor.
This configuration enables efficient voltage regulation for various electronic applications.
Manufacturer
The TPS563219DDFR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which they sell to electronics designers and manufacturers worldwide. TI's products are used in a wide array of applications, including industrial, automotive, personal electronics, communications equipment, and enterprise systems.
Application
The TPS563219DDFR is a synchronous buck converter designed for applications requiring efficient voltage regulation and power management. It is suitable for use in a variety of sectors, including telecommunications, networking, and industrial equipment. Its key application areas include powering FPGAs, DSPs, ASICs, and microprocessors in applications like servers, routers, and switches. Additionally, it can be used in consumer electronics and computing devices, offering benefits such as compact size, high efficiency, and reliable performance in distributed power systems. The converter's features make it ideal for use in space-constrained environments where thermal performance and power density are critical.
Package
The TPS563219DDFR is a DC-DC buck converter from Texas Instruments. It comes in an SOT-23 package, specifically a 6-pin SOT (Small Outline Transistor) package. This compact packaging is suitable for space-constrained applications.
