仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | D-CAP2™, Eco-Mode™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 0.76V |
| Voltage - Output (Max) | 7V |
| Current - Output | 3A |
| Frequency - Switching | 700kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The TPS54328DRCR is a high-efficiency, synchronous step-down DC-DC converter from Texas Instruments. It is designed to deliver up to 3A of continuous output current from a wide input voltage range of 4.5V to 28V, making it suitable for a variety of applications, including industrial equipment, distributed power systems, and consumer electronics.
This converter integrates a high-side MOSFET and a low-side MOSFET to reduce the number of external components required, improving compactness and reliability. It features advanced control architectures such as D-CAP2™ mode, which allows for fast transient response and supports low output ripple, enhancing performance in dynamic load conditions.
The TPS54328DRCR includes several protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliable operation under various conditions. The device is housed in a small, thermally efficient VSON package, which aids in heat dissipation and allows for a compact PCB layout. Overall, the TPS54328DRCR offers a versatile and efficient solution for step-down power conversion needs.
This converter integrates a high-side MOSFET and a low-side MOSFET to reduce the number of external components required, improving compactness and reliability. It features advanced control architectures such as D-CAP2™ mode, which allows for fast transient response and supports low output ripple, enhancing performance in dynamic load conditions.
The TPS54328DRCR includes several protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliable operation under various conditions. The device is housed in a small, thermally efficient VSON package, which aids in heat dissipation and allows for a compact PCB layout. Overall, the TPS54328DRCR offers a versatile and efficient solution for step-down power conversion needs.
Equivalent
The TPS54328DRCR is a step-down DC-DC converter from Texas Instruments. Equivalent products may include:
1. LM2596: A widely used buck converter from Texas Instruments.
2. MP1584: A step-down converter from Monolithic Power Systems.
3. LT8608: A compact, high-efficiency buck regulator from Analog Devices.
4. MC34063: A versatile DC-DC converter from ON Semiconductor.
Ensure compatibility by comparing specifications like input/output voltage, current rating, and efficiency.
1. LM2596: A widely used buck converter from Texas Instruments.
2. MP1584: A step-down converter from Monolithic Power Systems.
3. LT8608: A compact, high-efficiency buck regulator from Analog Devices.
4. MC34063: A versatile DC-DC converter from ON Semiconductor.
Ensure compatibility by comparing specifications like input/output voltage, current rating, and efficiency.
Features
The TPS54328DRCR is a high-efficiency, synchronous step-down DC-DC converter from Texas Instruments. Key features include:
1. Input Voltage Range: Operates from 4.5V to 28V, making it suitable for a wide range of applications.
2. Output Current: Delivers up to 3A of continuous output current.
3. Efficiency: High efficiency with low RDS(on) MOSFETs for reduced power loss.
4. Switching Frequency: Adjustable up to 1MHz, allowing for compact solution sizes.
5. Soft Start: Adjustable soft-start feature to control inrush current during startup.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout (UVLO).
7. Synchronization: Can be synchronized to an external clock for noise-sensitive applications.
8. Thermal Performance: Good thermal performance in a small package, enhancing reliability.
9. Packages: Available in a 10-pin VSON package for space-constrained designs.
10. Applications: Suitable for use in industrial, communication, and consumer electronics where efficient power conversion is needed.
These features make the TPS54328DRCR an ideal choice for power supply designs requiring compact, efficient, and reliable DC-DC conversion.
1. Input Voltage Range: Operates from 4.5V to 28V, making it suitable for a wide range of applications.
2. Output Current: Delivers up to 3A of continuous output current.
3. Efficiency: High efficiency with low RDS(on) MOSFETs for reduced power loss.
4. Switching Frequency: Adjustable up to 1MHz, allowing for compact solution sizes.
5. Soft Start: Adjustable soft-start feature to control inrush current during startup.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout (UVLO).
7. Synchronization: Can be synchronized to an external clock for noise-sensitive applications.
8. Thermal Performance: Good thermal performance in a small package, enhancing reliability.
9. Packages: Available in a 10-pin VSON package for space-constrained designs.
10. Applications: Suitable for use in industrial, communication, and consumer electronics where efficient power conversion is needed.
These features make the TPS54328DRCR an ideal choice for power supply designs requiring compact, efficient, and reliable DC-DC conversion.
Pinout
The TPS54328DRCR is a step-down DC-DC converter from Texas Instruments. It comes in a 10-pin VSON (DRC) package. The key functions of the pins are as follows:
1. VIN (Pin 1): Input supply voltage.
2. EN (Pin 2): Enable pin to turn the device on or off.
3. SS/TR (Pin 3): Soft-start or tracking pin to control the startup process.
4. RT/CLK (Pin 4): Resistor timing or clock pin to set the switching frequency.
5. GND (Pin 5): Ground.
6. VSENSE (Pin 6): Output voltage feedback.
7. COMP (Pin 7): Compensation pin for loop compensation.
8. PWRGD (Pin 8): Power good indicator.
9. BOOT (Pin 9): Bootstrap capacitor connection for the high-side gate driver.
10. SW (Pin 10): Switch node, connected to the output inductor.
This configuration helps the TPS54328DRCR efficiently convert input voltage to a lower output voltage with features for enabling, soft-start, and power good indication.
1. VIN (Pin 1): Input supply voltage.
2. EN (Pin 2): Enable pin to turn the device on or off.
3. SS/TR (Pin 3): Soft-start or tracking pin to control the startup process.
4. RT/CLK (Pin 4): Resistor timing or clock pin to set the switching frequency.
5. GND (Pin 5): Ground.
6. VSENSE (Pin 6): Output voltage feedback.
7. COMP (Pin 7): Compensation pin for loop compensation.
8. PWRGD (Pin 8): Power good indicator.
9. BOOT (Pin 9): Bootstrap capacitor connection for the high-side gate driver.
10. SW (Pin 10): Switch node, connected to the output inductor.
This configuration helps the TPS54328DRCR efficiently convert input voltage to a lower output voltage with features for enabling, soft-start, and power good indication.
Manufacturer
The TPS54328DRCR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and solutions. They are particularly known for their analog and embedded processing products. TI serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems, providing innovative technologies that help solve engineering challenges and enable advancements in electronics.
Application
The TPS54328DRCR is a step-down (buck) DC-DC converter designed for applications requiring efficient power conversion. Key application areas include:
1. Consumer Electronics: Used in devices like televisions, set-top boxes, and gaming consoles for power regulation.
2. Industrial Equipment: Provides power management in automation systems and large-scale industrial controls.
3. Communication Infrastructure: Supports power supply for networking equipment and telecommunications systems.
4. Computing Systems: Integrated into desktop computers, servers, and storage devices to maintain power stability.
5. Automotive: Used in infotainment systems and other electronic modules within vehicles.
Its wide input voltage range and high efficiency make it suitable for diverse applications.
1. Consumer Electronics: Used in devices like televisions, set-top boxes, and gaming consoles for power regulation.
2. Industrial Equipment: Provides power management in automation systems and large-scale industrial controls.
3. Communication Infrastructure: Supports power supply for networking equipment and telecommunications systems.
4. Computing Systems: Integrated into desktop computers, servers, and storage devices to maintain power stability.
5. Automotive: Used in infotainment systems and other electronic modules within vehicles.
Its wide input voltage range and high efficiency make it suitable for diverse applications.
Package
The TPS54328DRCR is a step-down (buck) converter IC from Texas Instruments, housed in a VSON (Very Thin Small Outline No-Lead) package. The specific package type for this model is a 3mm x 3mm VSON-10 (DRC), which features a thermal pad for improved heat dissipation.
