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TPS54226PWPR
IC REG BUCK ADJ 2A 14HTSSOP
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仕様
| Series | SWIFT™, 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) | 2V |
| Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 0.76V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 2A |
| Frequency - Switching | 700kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 14-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-HTSSOP |
| Base Product Number | TPS54226 |
概要
Description
The TPS54226PWPR is a high-performance, synchronous step-down (buck) voltage regulator from Texas Instruments. It is designed to efficiently convert higher input voltages, ranging from 4.5V to 17V, down to lower output voltages with a maximum output current of 2A. Key features include a built-in high- and low-side MOSFET, adjustable output voltage (from 0.8V to 5.5V), and a switching frequency of up to 1 MHz, allowing for smaller passive components and a compact design.
The device utilizes an adaptive on-time control scheme for fast transient response and improved efficiency, especially under varying load conditions. It also includes protection features such as thermal shutdown and current limiting, ensuring safe operation. The TPS54226PWPR is suitable for a variety of applications including point-of-load power supplies for processors, FPGAs, and other digital devices. Its compact size, efficiency, and robust performance make it a popular choice in modern electronic designs.
The device utilizes an adaptive on-time control scheme for fast transient response and improved efficiency, especially under varying load conditions. It also includes protection features such as thermal shutdown and current limiting, ensuring safe operation. The TPS54226PWPR is suitable for a variety of applications including point-of-load power supplies for processors, FPGAs, and other digital devices. Its compact size, efficiency, and robust performance make it a popular choice in modern electronic designs.
Features
The TPS54226PWPR is a high-efficiency, step-down DC-DC converter from Texas Instruments designed for a wide range of applications. Key features include:
1. Input Voltage Range: Operates from 4.5V to 17V, suitable for various power supply applications.
2. Output Current: Capable of delivering up to 2A continuous output current.
3. Adjustable Output Voltage: Supports a wide output voltage range from 0.8V to 15V, allowing flexibility for different load requirements.
4. High Efficiency: Achieves up to 95% efficiency, minimizing heat generation and power loss.
5. Switching Frequency: Adjustable frequency up to 1.2 MHz, enabling optimized performance and reduced component size.
6. Built-in Compensation: Features internal compensation for simplified design and stability across various load conditions.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
8. Package: Available in a compact 20-pin HTQFP package, facilitating space-efficient designs.
These features make the TPS54226 suitable for applications such as consumer electronics, industrial power supplies, and telecommunications.
1. Input Voltage Range: Operates from 4.5V to 17V, suitable for various power supply applications.
2. Output Current: Capable of delivering up to 2A continuous output current.
3. Adjustable Output Voltage: Supports a wide output voltage range from 0.8V to 15V, allowing flexibility for different load requirements.
4. High Efficiency: Achieves up to 95% efficiency, minimizing heat generation and power loss.
5. Switching Frequency: Adjustable frequency up to 1.2 MHz, enabling optimized performance and reduced component size.
6. Built-in Compensation: Features internal compensation for simplified design and stability across various load conditions.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
8. Package: Available in a compact 20-pin HTQFP package, facilitating space-efficient designs.
These features make the TPS54226 suitable for applications such as consumer electronics, industrial power supplies, and telecommunications.
Package
The TPS54226PWPR is packaged in a PowerPAD™ HTQFN (Heat Sink Thin Quad Flat No-lead) package, specifically a 20-pin 5mm x 5mm form factor. This packaging provides efficient thermal performance and a compact design suitable for space-constrained applications.
Pinout
The TPS54226PWPR is a step-down (buck) voltage regulator with a pin count of 16. It is designed to provide a regulated output voltage from a higher input voltage. The key functions of its pins include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch pin for the internal power MOSFET.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation pin for stability.
5. FB (Pin 5): Feedback pin for voltage regulation.
6. SS (Pin 6): Soft-start pin for controlling startup time.
7. RT (Pin 7): Timing resistor pin.
8. SYNC (Pin 8): Synchronization input.
9. EN (Pin 9): Enable pin to turn the device on/off.
10. ILIM (Pin 10): Current limit setting.
11. AGND (Pin 11): Analog ground.
12. N/C (Pins 12, 13): No connect.
13. PG (Pin 14): Power good output.
14. VOUT (Pin 15): Regulated output voltage.
15. RAMP (Pin 16): Ramp generator for PWM control.
The TPS54226 is known for its efficiency and versatility in point-of-load applications.
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch pin for the internal power MOSFET.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation pin for stability.
5. FB (Pin 5): Feedback pin for voltage regulation.
6. SS (Pin 6): Soft-start pin for controlling startup time.
7. RT (Pin 7): Timing resistor pin.
8. SYNC (Pin 8): Synchronization input.
9. EN (Pin 9): Enable pin to turn the device on/off.
10. ILIM (Pin 10): Current limit setting.
11. AGND (Pin 11): Analog ground.
12. N/C (Pins 12, 13): No connect.
13. PG (Pin 14): Power good output.
14. VOUT (Pin 15): Regulated output voltage.
15. RAMP (Pin 16): Ramp generator for PWM control.
The TPS54226 is known for its efficiency and versatility in point-of-load applications.
Manufacturer
The TPS54226PWPR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, TI designs and produces a wide range of semiconductor products, including analog devices, processors, and embedded systems. The company serves various markets such as automotive, industrial, communications, and consumer electronics. Texas Instruments is known for its innovation in analog and digital signal processing, and it focuses on providing high-performance solutions for its diverse clientele.
Application
The TPS54226PWPR is a DC-DC step-down (buck) regulator used in various applications, including:
1. Point of load (POL) regulation for processors and FPGAs.
2. Powering base station and telecom equipment.
3. Automotive power systems.
4. Industrial automation and control systems.
5. Consumer electronics, such as laptops and tablets.
6. Battery-powered devices for efficient energy management.
It supports high efficiency and adjustable output voltage, making it versatile for various power management needs.
1. Point of load (POL) regulation for processors and FPGAs.
2. Powering base station and telecom equipment.
3. Automotive power systems.
4. Industrial automation and control systems.
5. Consumer electronics, such as laptops and tablets.
6. Battery-powered devices for efficient energy management.
It supports high efficiency and adjustable output voltage, making it versatile for various power management needs.
Equivalent
The TPS54226PWPR is a 5A step-down voltage regulator. Equivalent products include the LM2596, LM2675, and LM22676 from Texas Instruments, as well as the MIC29302 from Microchip and the LTC3780 from Analog Devices. Always verify the specific requirements such as voltage range, pin configuration, and features to ensure compatibility.
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出荷料参照(DHL/FedEx):
DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。
フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。
登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。
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