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TPS65251RHAR
+StücklisteIC REG BCK ADJ 3A/2A TRPL 40VQFN
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HerstellerTexas Instruments
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Herstellerteil #TPS65251RHAR
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Paket VQFN (RHA)-40
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Auf Lager4273
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 3 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 18V |
| Current-Output | 3A, 2A |
| Frequency-Switching | 300kHz ~ 2.2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 40-VFQFN Exposed Pad |
Übersicht
Description
The device supports a wide input voltage range from 4.5 V to 18 V, allowing flexibility in various applications. It also includes features like adjustable switching frequency, external synchronization capability, and efficient power sequencing. The TPS65251RHAR is designed with protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliable operation under different conditions.
Its QFN package provides a compact footprint, making it suitable for space-constrained designs. Overall, the TPS65251RHAR is ideal for power supply solutions in industrial, automotive, and consumer electronics applications.
Equivalent
1. Analog Devices: ADP5050/ADP5051 - Quad/Triple output DC-to-DC regulator.
2. Maxim Integrated: MAX20004 - Automotive quad-output PMIC.
3. Monolithic Power Systems: MPQ7930 - Automotive power management IC.
4. ON Semiconductor: NCP81253 - Multi-output power management solution.
Always verify pin compatibility and electrical characteristics when selecting a replacement.
Features
1. Three Buck Converters: It offers three independent buck converters, each capable of handling up to 3 A of current.
2. Wide Input Voltage Range: Supports a broad input voltage range from 4.5 V to 18 V, suitable for battery-powered devices and power adapters.
3. Adjustable Output Voltage: Provides adjustable output voltages via external resistors, allowing customization for specific needs.
4. High Efficiency: Delivers high efficiency across a range of loads, maximizing battery life in portable applications.
5. Synchronization Capability: Features a synchronization input for aligning the switching frequency with an external clock, minimizing interference.
6. Protection Features: Includes overcurrent, overvoltage, and thermal shutdown protection to ensure reliable operation.
7. Compact Package: Comes in a 32-pin VQFN package, making it suitable for space-constrained designs.
These features make the TPS65251RHAR ideal for applications requiring compact, efficient, and versatile power management solutions.
Pinout
The device comes in a 40-pin VQFN (Very Thin Quad Flat No-Lead) package. Its primary functions include:
1. Triple Buck Converter: Provides three synchronous buck converters that can be configured for various output voltage levels, offering flexibility for different load requirements.
2. Efficiency and Integration: High efficiency due to synchronous rectification and a wide input voltage range, reducing the need for external components and minimizing board space.
3. Control and Monitoring: Features including enable pins, power good indicators, and a reset function for system reliability.
4. Protection Features: Includes over-current, under-voltage, and thermal shutdown protections to ensure reliable operation.
This combination of features makes the TPS65251RHAR versatile and suitable for a range of applications needing efficient power management.
Manufacturer
Application
1. Embedded Systems: Provides stable power for microcontrollers and peripheral devices in consumer and industrial electronics.
2. Automotive: Used in infotainment systems and advanced driver-assistance systems (ADAS) for reliable power delivery.
3. Telecommunications: Powers networking equipment like routers and switches.
4. Industrial Automation: Supports the operation of PLCs and other control systems.
5. Portable Devices: Efficient power management for battery-operated equipment.
Its flexibility and integration capabilities make it ideal for compact and efficient power solutions.