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TPS54229DDAR
+StücklisteIC REG BUCK ADJUSTABLE 2A 8SOPWR
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HerstellerTexas Instruments
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Herstellerteil #TPS54229DDAR
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Paket HSOIC (DDA)-8
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Auf Lager7714
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | D-CAP2™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.76V |
| Voltage-Output(Max) | 7V |
| Current-Output | 2A |
| Frequency-Switching | 650kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Übersicht
Description
The TPS54229DDAR features high efficiency, typically exceeding 90%, due to its synchronous rectification and low RDS(on) MOSFETs. It includes advanced features like adjustable switching frequency, internal soft-start, and thermal shutdown protection. It also supports fixed-frequency operation and has a frequency foldback feature, which helps in enhancing efficiency at light loads. Its compact size and minimal external component requirement make it an ideal choice for space-constrained applications. Additionally, its wide input voltage range and robust protection features ensure reliable operation in various environments.
Equivalent
1. LM2596-ADJ from Texas Instruments - A popular adjustable voltage regulator.
2. MP1584EN from Monolithic Power Systems - A compact step-down converter.
3. AP3211 from Diodes Incorporated - A step-down DC-DC converter.
4. LM2678 from Texas Instruments - A step-down voltage regulator with higher current capabilities.
Always verify electrical characteristics and pin compatibility before substituting to ensure suitability for your application.
Features
1. Input Voltage Range: It supports a wide input range from 4.5 V to 18 V.
2. Output Current: Can deliver up to 2 A of continuous output current.
3. Efficiency: Offers high efficiency, often above 90%, which minimizes power loss and heat generation.
4. Switching Frequency: Provides a fixed switching frequency of 700 kHz.
5. Low Dropout: Allows for low output voltage settings near the input voltage.
6. Soft Start: Includes a programmable soft start to limit inrush current during startup.
7. Protection: Features include overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliability.
8. Package: Comes in a small, thermally-enhanced 8-pin SOIC package with PowerPAD for improved heat dissipation.
9. Applications: Suitable for use in distributed power systems, networking equipment, and consumer electronics.
These features make it an efficient and versatile choice for various power management applications.
Pinout
1. BOOT (Pin 1): Provides the supply voltage for the high-side gate driver.
2. VIN (Pin 2): Input supply voltage for the converter.
3. EN (Pin 3): Enable pin to turn the device on or off.
4. SS/TR (Pin 4): Soft-start and tracking pin. It controls the soft-start time and can be used for tracking applications.
5. GND (Pin 5): Ground reference for the device.
6. VSENSE (Pin 6): Feedback pin for the output voltage. It is connected to the output through a resistor divider network.
7. COMP (Pin 7): Compensation pin used to stabilize the control loop.
8. SW (Pin 8): Switch node pin that connects to the inductor and the high-side MOSFET.
This configuration supports efficient voltage conversion with integrated features like soft-start, current mode control, and thermal shutdown.
Manufacturer
Application
1. Consumer Electronics: Powering processors and other digital circuits in devices like laptops, tablets, and smartphones.
2. Telecommunications: Providing power to network equipment and base stations.
3. Industrial Systems: Used in automation equipment, including PLCs and motor drives.
4. Automotive Electronics: Supplying power to infotainment systems and advanced driver-assistance systems (ADAS).
5. Embedded Systems: Powering microcontrollers and FPGAs in IoT devices and development boards.
Its features like high efficiency, compact size, and ease of integration make it suitable for a wide range of power supply applications.