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TPS54325PWP
+BOMIC REG BUCK ADJ 3A 14HTSSOP
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ManufacturerTexas Instruments
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Mfr. Part #TPS54325PWP
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Package HTSSOP (PWP)-14
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In Stock1482
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Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| Series | D-CAP2™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.76V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 3A |
| Frequency-Switching | 700kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 14-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Overview
Description
The TPS54325PWP is a synchronous buck converter from Texas Instruments designed for efficient power management in various electronic devices. It features an output voltage range of 0.76V to 7V and delivers up to 3A of continuous output current, making it suitable for applications in computing, networking, and consumer electronics.
The converter operates at a fixed frequency of 700kHz, providing a good balance between efficiency and size, and includes an integrated high-side and low-side MOSFET to minimize the need for external components. It offers features such as voltage tracking, adjustable soft-start, and power-good signal to enhance system reliability and flexibility.
The TPS54325PWP's wide input voltage range of 4.5V to 18V accommodates a variety of power supply sources, including batteries. It supports both pulse-width modulation (PWM) and pulse-skip modes, optimizing performance across different load conditions. The device is housed in a 16-pin HTSSOP package, facilitating compact PCB design. Its robust protection features, including thermal shutdown and overcurrent protection, ensure safe operation in demanding environments.
The converter operates at a fixed frequency of 700kHz, providing a good balance between efficiency and size, and includes an integrated high-side and low-side MOSFET to minimize the need for external components. It offers features such as voltage tracking, adjustable soft-start, and power-good signal to enhance system reliability and flexibility.
The TPS54325PWP's wide input voltage range of 4.5V to 18V accommodates a variety of power supply sources, including batteries. It supports both pulse-width modulation (PWM) and pulse-skip modes, optimizing performance across different load conditions. The device is housed in a 16-pin HTSSOP package, facilitating compact PCB design. Its robust protection features, including thermal shutdown and overcurrent protection, ensure safe operation in demanding environments.
Equivalent
The TPS54325PWP is a step-down DC-DC converter from Texas Instruments. Equivalent products include:
1. LM2676 by Texas Instruments
2. LM22679 by Texas Instruments
3. MP2307 by Monolithic Power Systems
4. LT1765 by Analog Devices
5. SY8120 by Silergy
It's important to verify specific features and pin compatibility when selecting an equivalent to ensure it meets your application requirements.
1. LM2676 by Texas Instruments
2. LM22679 by Texas Instruments
3. MP2307 by Monolithic Power Systems
4. LT1765 by Analog Devices
5. SY8120 by Silergy
It's important to verify specific features and pin compatibility when selecting an equivalent to ensure it meets your application requirements.
Features
The TPS54325PWP is a synchronous buck converter designed by Texas Instruments. Key features include:
1. Input Voltage Range: Supports a wide input range, typically from 4.5V to 18V, making it versatile for various applications.
2. Output Current: Delivers up to 3A of continuous output current, suitable for medium power applications.
3. Efficiency: High efficiency is achieved through synchronous rectification and low RDS(on) MOSFETs.
4. Adjustable Output: The output voltage is adjustable, providing flexibility for different use cases.
5. Switching Frequency: Features a constant 700kHz switching frequency for optimized performance and compact design.
6. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout for reliability and safety.
7. Soft Start: Offers a programmable soft-start feature to limit inrush current on start-up.
8. Package: Comes in a PowerPAD™ package (HTSSOP-16), which enhances thermal performance and compactness.
These features make the TPS54325PWP suitable for applications in consumer electronics, telecom, and industrial power systems.
1. Input Voltage Range: Supports a wide input range, typically from 4.5V to 18V, making it versatile for various applications.
2. Output Current: Delivers up to 3A of continuous output current, suitable for medium power applications.
3. Efficiency: High efficiency is achieved through synchronous rectification and low RDS(on) MOSFETs.
4. Adjustable Output: The output voltage is adjustable, providing flexibility for different use cases.
5. Switching Frequency: Features a constant 700kHz switching frequency for optimized performance and compact design.
6. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout for reliability and safety.
7. Soft Start: Offers a programmable soft-start feature to limit inrush current on start-up.
8. Package: Comes in a PowerPAD™ package (HTSSOP-16), which enhances thermal performance and compactness.
These features make the TPS54325PWP suitable for applications in consumer electronics, telecom, and industrial power systems.
Pinout
The TPS54325PWP is a step-down switch-mode power supply regulator from Texas Instruments. It comes in a 16-pin TSSOP (Thin Shrink Small Outline Package) with PowerPAD. Here’s a brief overview of its pin functions:
1. VIN (Pin 1): Input voltage supply.
2. EN (Pin 2): Enable pin; activates the device when high.
3. SS/TR (Pin 3): Soft-start or tracking input.
4. VSENSE (Pin 4): Feedback voltage for regulation.
5. COMP (Pin 5): Compensation node for stability.
6. AGND (Pin 6): Analog ground.
7. RT/CLK (Pin 7): Switching frequency set or synchronization pin.
8. FB (Pin 8): Feedback for output voltage sensing.
9. BOOT (Pin 9): Bootstrap capacitor connection.
10. PH (Pin 10): Phase node for the switching output.
11. PH (Pin 11): Additional phase node connection.
12. PH (Pin 12): Additional phase node connection.
13. PH (Pin 13): Additional phase node connection.
14. PGND (Pin 14): Power ground.
15. PVIN (Pin 15): Power input voltage supply.
16. PWRGD (Pin 16): Power good indicator.
This device is commonly used in applications requiring efficient power conversion with a maximum output current of 3 A.
1. VIN (Pin 1): Input voltage supply.
2. EN (Pin 2): Enable pin; activates the device when high.
3. SS/TR (Pin 3): Soft-start or tracking input.
4. VSENSE (Pin 4): Feedback voltage for regulation.
5. COMP (Pin 5): Compensation node for stability.
6. AGND (Pin 6): Analog ground.
7. RT/CLK (Pin 7): Switching frequency set or synchronization pin.
8. FB (Pin 8): Feedback for output voltage sensing.
9. BOOT (Pin 9): Bootstrap capacitor connection.
10. PH (Pin 10): Phase node for the switching output.
11. PH (Pin 11): Additional phase node connection.
12. PH (Pin 12): Additional phase node connection.
13. PH (Pin 13): Additional phase node connection.
14. PGND (Pin 14): Power ground.
15. PVIN (Pin 15): Power input voltage supply.
16. PWRGD (Pin 16): Power good indicator.
This device is commonly used in applications requiring efficient power conversion with a maximum output current of 3 A.
Manufacturer
The TPS54325PWP is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits and analog devices. TI is known for its innovation in the fields of analog and embedded processing, power management, and data converters. The company serves a variety of markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. With a focus on developing technologies that support advancements in these sectors, TI is a key player in the electronics industry.
Application
The TPS54325PWP is a step-down DC-DC converter designed for various applications requiring efficient power management. Its primary application areas include:
1. Telecommunications: Used in equipment needing stable power supplies.
2. Consumer Electronics: Powers devices like set-top boxes and TVs.
3. Industrial Automation: Supports systems requiring reliable voltage regulation.
4. Networking Equipment: Ensures efficient power distribution in routers and switches.
5. Computing: Used in desktops and servers for core voltage supply.
These areas benefit from the converter's high efficiency, wide input voltage range, and compact design, making it suitable for space-constrained and high-performance applications.
1. Telecommunications: Used in equipment needing stable power supplies.
2. Consumer Electronics: Powers devices like set-top boxes and TVs.
3. Industrial Automation: Supports systems requiring reliable voltage regulation.
4. Networking Equipment: Ensures efficient power distribution in routers and switches.
5. Computing: Used in desktops and servers for core voltage supply.
These areas benefit from the converter's high efficiency, wide input voltage range, and compact design, making it suitable for space-constrained and high-performance applications.
Package
The TPS54325PWP is a buck converter from Texas Instruments, housed in a 20-pin HTSSOP (Heat-Sink Thin-Shrink Small-Outline Package) with a PowerPAD for improved thermal performance.
