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TPS552872RYQR
+StücklisteIC REG BUCK BST ADJ 4A 21VQFN
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HerstellerTexas Instruments
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Herstellerteil #TPS552872RYQR
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Datenblatt TPS552872RYQR DataSheet
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Auf Lager11555
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| PartStatus | Active |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck-Boost |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3V |
| Voltage-Input(Max) | 36V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 22V |
| Current-Output | 4A |
| Frequency-Switching | 200kHz ~ 2.2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount, Wettable Flank |
| Package/Case | 21-PowerVFQFN |
| SupplierDevicePackage | 21-VQFN-HR (3x5) |
| BaseProductNumber | TPS552872 |
Übersicht
Description
Key features of the TPS552872RYQR include a programmable switching frequency, which allows designers to optimize for efficiency or size constraints, and advanced power management capabilities such as output voltage regulation and current limiting. It also includes protection features like overvoltage, undervoltage, and short-circuit protection to ensure robust operation in challenging conditions.
With its compact 32-pin VQFN package, the TPS552872RYQR supports easy integration into space-constrained designs. Its high efficiency and low quiescent current contribute to longer battery life in portable applications. Overall, the TPS552872RYQR is a versatile and reliable solution for managing power efficiently in systems requiring both boosting and bucking capabilities.
Equivalent
1. MAX77801 from Maxim Integrated (now part of Analog Devices).
2. LTC3122 from Analog Devices.
3. LM5155 from Texas Instruments (similar function, different specs).
4. RT4812 from Richtek.
Always verify specific requirements like voltage, current ratings, and package type to ensure compatibility.
Features
The device supports various operating modes, including forced PWM and auto PFM/PWM, enabling optimization for efficiency or performance as needed. It also includes protections such as over-voltage, under-voltage, over-current, and thermal shutdown, ensuring robust performance in demanding environments. The compact layout and small QFN package allow for efficient use of board space, making it ideal for portable and space-constrained applications. Additionally, the TPS552872RYQR integrates features like load disconnect and output discharge, further enhancing its utility in designing reliable power management solutions.
Pinout
Key functions of the TPS552872RYQR include:
1. Boost Conversion: It steps up the input voltage to a higher output voltage, which is useful in applications where a higher supply voltage is needed.
2. Integrated Power MOSFETs: It incorporates high-side and low-side MOSFETs to minimize the need for external components, thereby reducing the overall solution size.
3. Wide Input Voltage Range: Supports a broad input voltage range, making it versatile for various power supply sources.
4. Adjustable Switching Frequency: Offers flexibility in optimizing efficiency and component size by adjusting the switching frequency.
5. Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown to enhance reliability and safety.
These features make the TPS552872RYQR suitable for applications like portable electronics, consumer devices, and industrial equipment where space, efficiency, and performance are critical.