圖片僅供參考
TPS54226RGTR
+物料清單IC REG BUCK ADJ 2A 16VQFN
-
製造商德州儀器
-
製造商部分 #TPS54226RGTR
-
有存貨4949
365 天品質保證
7*24 小時服務保證
90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Series | SWIFT™, D-CAP2™, Eco-Mode™ |
| PartStatus | 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 | 2A |
| Frequency-Switching | 700kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-VFQFN Exposed Pad |
| SupplierDevicePackage | 16-VQFN (3x3) |
| BaseProductNumber | TPS54226 |
概述
Description
Key features include a wide output voltage range, adjustable output voltage through external resistors, and a high efficiency of up to 95%, which minimizes heat generation. The TPS54226RGTR incorporates advanced protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout.
It is suitable for applications such as point-of-load power supplies, battery-powered devices, and distributed power systems. The device is available in a compact 15-pin HTQFP package, making it suitable for space-constrained designs. Overall, the TPS54226RGTR is a reliable solution for efficient DC-DC conversion in various electronic systems.
Equivalent
Features
1. Wide Input Voltage Range: Accepts input voltages from 4.5V to 17V, making it suitable for various applications.
2. Adjustable Output Voltage: Supports output voltages from 0.8V to 5.5V.
3. High Efficiency: Offers up to 95% efficiency, which helps in reducing heat dissipation and improving battery life in portable devices.
4. Switching Frequency: Operates at a fixed frequency of 1 MHz, allowing for smaller passive components and a compact design.
5. Current Limit Protection: Features cycle-by-cycle current limiting and thermal shutdown for enhanced reliability.
6. Power Good Indicator: Integrates a Power Good flag for monitoring output voltage status.
7. Small Package: Available in a 16-pin HTQFP package, facilitating space-saving designs.
These features make the TPS54226RGTR suitable for a variety of applications, including consumer electronics, automotive, and industrial systems.
Pinout
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node for inductor connection.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation network connection for stability.
5. FB (Pin 5): Feedback voltage input for regulation.
6. SS (Pin 6): Soft-start control for output voltage ramp-up.
7. RT (Pin 7): Resistor timing connection for frequency setting.
8. EN (Pin 8): Enable pin for device activation.
9. ISEN (Pin 9): Current sense for overcurrent protection.
10. PGND (Pin 10): Power ground for switching node.
11. CSN (Pin 11): Current sense negative input.
12. CSP (Pin 12): Current sense positive input.
13. VOUT (Pin 13): Output voltage.
14. N/C (Pin 14): No connection.
This IC is suitable for various applications requiring efficient DC-DC conversion.
Manufacturer
Application
1. Power Supply for Microprocessors: Provides stable voltage for CPUs and microcontrollers.
2. Portable Devices: Ideal for battery-powered applications like smartphones and tablets.
3. Telecommunications: Used in base stations and networking equipment for efficient power management.
4. Industrial Automation: Powers sensors and actuators in automation and control systems.
5. Consumer Electronics: Suitable for TVs, gaming consoles, and other electronic devices.
6. Automotive Applications: Supports power supply needs in automotive electronics.
Its efficiency and compact design make it versatile for diverse applications.