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TPS54426PWPR
+BOMIC REG BUCK ADJ 4A 14HTSSOP
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #TPS54426PWPR
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在庫状況2744
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Series | SWIFT™, D-CAP2™, Eco-Mode™ |
| Part Status | Active |
| Base Product Number | TPS54426 |
| 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) | 5.5V |
| Current - Output | 4A |
| Frequency - Switching | 700kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package | 14-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-HTSSOP |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
概要
Description
The TPS54426PWPR is a high-efficiency, synchronous step-down DC-DC converter designed by Texas Instruments. It is capable of delivering up to 4 A of output current and operates over a wide input voltage range from 4.5 V to 18 V, making it suitable for various applications, including industrial, computing, and consumer electronics.
This device features an adaptive on-time D-CAP2™ mode control, which simplifies the design process by eliminating the need for external compensation components. It also provides fast transient response and excellent line/load regulation. The TPS54426PWPR supports a fixed output voltage or can be adjusted via external resistors.
Key features include an adjustable switching frequency up to 1 MHz, cycle-by-cycle current limiting, thermal shutdown protection, and an enable pin for easy on/off control. It is housed in a thermally enhanced, 16-pin TSSOP package, facilitating efficient heat dissipation.
Overall, the TPS54426PWPR offers a compact, reliable solution for designing power supply circuits with high efficiency and minimal external components.
This device features an adaptive on-time D-CAP2™ mode control, which simplifies the design process by eliminating the need for external compensation components. It also provides fast transient response and excellent line/load regulation. The TPS54426PWPR supports a fixed output voltage or can be adjusted via external resistors.
Key features include an adjustable switching frequency up to 1 MHz, cycle-by-cycle current limiting, thermal shutdown protection, and an enable pin for easy on/off control. It is housed in a thermally enhanced, 16-pin TSSOP package, facilitating efficient heat dissipation.
Overall, the TPS54426PWPR offers a compact, reliable solution for designing power supply circuits with high efficiency and minimal external components.
Equivalent
The TPS54426PWPR is a synchronous buck converter from Texas Instruments. Equivalent products with similar specifications include the LM2596, LM2675 from Texas Instruments, and the LMR33630. Additionally, you might consider buck converters like the MP1584 by Monolithic Power Systems and the LM2576 by STMicroelectronics, depending on your specific requirements such as input/output voltage range and current capability. It’s important to check the specific features and performance criteria to ensure compatibility with your design needs.
Features
The TPS54426PWPR is a synchronous step-down converter designed for high efficiency and compact power solutions. Key features include:
1. Input Voltage Range: Operates from 4.5 V to 18 V, making it suitable for a variety of applications.
2. Output Current: Supports up to 4 A continuous output current.
3. Efficiency: High efficiency over a wide load range due to integrated MOSFETs and advanced control topology.
4. Switching Frequency: Adjustable switching frequency from 250 kHz to 2 MHz, allowing for optimization between efficiency and component size.
5. Soft Start: Programmable soft-start feature to control inrush current during startup.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for improved reliability.
7. Small Package: Available in a 16-pin TSSOP package with PowerPAD for enhanced thermal performance.
8. Loop Compensation: External loop compensation for flexibility in achieving fast transient response and stability across a variety of output capacitors.
These features make the TPS54426PWPR suitable for use in consumer electronics, industrial applications, and telecom infrastructure where space and efficiency are critical.
1. Input Voltage Range: Operates from 4.5 V to 18 V, making it suitable for a variety of applications.
2. Output Current: Supports up to 4 A continuous output current.
3. Efficiency: High efficiency over a wide load range due to integrated MOSFETs and advanced control topology.
4. Switching Frequency: Adjustable switching frequency from 250 kHz to 2 MHz, allowing for optimization between efficiency and component size.
5. Soft Start: Programmable soft-start feature to control inrush current during startup.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for improved reliability.
7. Small Package: Available in a 16-pin TSSOP package with PowerPAD for enhanced thermal performance.
8. Loop Compensation: External loop compensation for flexibility in achieving fast transient response and stability across a variety of output capacitors.
These features make the TPS54426PWPR suitable for use in consumer electronics, industrial applications, and telecom infrastructure where space and efficiency are critical.
Pinout
The TPS54426PWPR is a step-down (buck) converter IC manufactured by Texas Instruments. This device is typically packaged in a 16-pin TSSOP (Thin-Shrink Small Outline Package) with a PowerPAD for enhanced thermal performance.
Key functions of the pins include:
1. Vin: Power input voltage.
2. GND: Ground reference.
3. SW: Switch node output connected to the inductor.
4. BOOT: Bootstrap capacitor connection for driving the high-side FET.
5. EN: Enable pin to turn the device on/off.
6. COMP: Compensation for the control loop.
7. FB: Feedback pin for voltage regulation.
8. SS/TR: Soft-start or tracking pin to control the output voltage rise time.
9. PGOOD: Power good indicator.
10. VREG5: Internal 5V regulator output.
11. RT/CLK: Sets the switching frequency and can be synchronized to an external clock.
12. PWRPAD: Exposed pad for thermal dissipation, connected to ground.
This concise overview captures the critical features and functions of the TPS54426PWPR's pins, essential for designing and implementing in a power management circuit.
Key functions of the pins include:
1. Vin: Power input voltage.
2. GND: Ground reference.
3. SW: Switch node output connected to the inductor.
4. BOOT: Bootstrap capacitor connection for driving the high-side FET.
5. EN: Enable pin to turn the device on/off.
6. COMP: Compensation for the control loop.
7. FB: Feedback pin for voltage regulation.
8. SS/TR: Soft-start or tracking pin to control the output voltage rise time.
9. PGOOD: Power good indicator.
10. VREG5: Internal 5V regulator output.
11. RT/CLK: Sets the switching frequency and can be synchronized to an external clock.
12. PWRPAD: Exposed pad for thermal dissipation, connected to ground.
This concise overview captures the critical features and functions of the TPS54426PWPR's pins, essential for designing and implementing in a power management circuit.
Manufacturer
The TPS54426PWPR is manufactured by Texas Instruments (TI). Texas Instruments is a well-established American technology company known for designing and manufacturing semiconductors and various integrated circuits. TI's products are used in a wide range of electronic applications, including industrial, automotive, personal electronics, and communications equipment. The company is recognized for its innovation in analog and embedded processing products, and it plays a significant role in the electronics industry.
Application
The TPS54426PWPR is a DC-DC step-down converter designed for applications that require high efficiency and compact size. Its application areas include:
1. Telecommunications Equipment: Provides efficient power management for routers, modems, and base stations.
2. Consumer Electronics: Powers devices like set-top boxes, digital TVs, and game consoles.
3. Industrial Systems: Used in automation equipment, control systems, and instrumentation.
4. Computer and Networking Hardware: Suitable for powering processors, memory modules, and peripheral devices.
5. Automotive Systems: Supports infotainment systems and advanced driver-assistance systems (ADAS).
6. Distributed Power Systems: Part of larger systems requiring localized voltage regulation.
These applications leverage the converter’s efficiency, compactness, and reliability.
1. Telecommunications Equipment: Provides efficient power management for routers, modems, and base stations.
2. Consumer Electronics: Powers devices like set-top boxes, digital TVs, and game consoles.
3. Industrial Systems: Used in automation equipment, control systems, and instrumentation.
4. Computer and Networking Hardware: Suitable for powering processors, memory modules, and peripheral devices.
5. Automotive Systems: Supports infotainment systems and advanced driver-assistance systems (ADAS).
6. Distributed Power Systems: Part of larger systems requiring localized voltage regulation.
These applications leverage the converter’s efficiency, compactness, and reliability.
Package
The TPS54426PWPR is a step-down converter from Texas Instruments, and it comes in a 16-pin HTSSOP (PWP) package. The package typically features a PowerPAD for better thermal performance.
