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TPS40322RHBR
+Lista de MateriaisIC REG CTRLR BUCK 32QFN
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FabricanteTexas Instruments
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Peça do Fabricante #TPS40322RHBR
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Pacote QFN32
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 2 |
| OutputPhases | 2 |
| Voltage-Supply(Vcc/Vdd) | 3V ~ 20V |
| Frequency-Switching | 100kHz ~ 1MHz |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| ControlFeatures | Current Limit, Enable, Frequency Control, Phase Control, Soft Start |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 32-VFQFN Exposed Pad |
Visão Geral
Description
The TPS40322RHBR also supports multi-phase power management, which enables higher power delivery and improved thermal performance by distributing the current load across multiple phases. This is particularly beneficial in applications like servers, telecommunications, and industrial power systems. Its compact design and integrated features make it an attractive choice for engineers looking to streamline their power supply designs while maintaining high efficiency and performance standards.
Equivalent
1. LTC3891 by Analog Devices
2. LM5116 by Texas Instruments
3. ISL8117 by Renesas Electronics
4. MAX15062 by Maxim Integrated
These equivalents are chosen based on similar voltage and current specifications, as well as synchronous buck topology. Always review the datasheets to ensure compatibility with your specific application.
Features
1. Input Voltage Range: Supports a wide input voltage range from 4.5 V to 24 V.
2. Output Voltage: Designed to deliver precise output voltage regulation with adjustable output levels.
3. Current Sensing: Utilizes voltage drop across the low-side MOSFET for current sensing, eliminating the need for external current-sense resistors.
4. Synchronization: Capable of synchronizing to an external clock for multi-phase or frequency-hopping applications.
5. Efficiency: Employs adaptive gate drive logic to optimize the driving strength, enhancing efficiency across various load conditions.
6. Protection Features: Includes over-current protection, undervoltage lockout, and thermal shutdown to safeguard the system.
7. Dead-Time Optimization: Features adaptive dead-time control for improved efficiency and reduced power loss.
8. Package: Available in a 20-pin QFN package, offering a compact form factor suitable for space-constrained applications.
This combination of features makes the TPS40322RHBR well-suited for applications requiring reliable and efficient power management solutions.
Pinout
This chip is packaged in a 32-pin VQFN (Very Thin Quad Flat No-lead) package, which is compact and suitable for space-constrained applications. Some of its key functions include:
- Dual synchronous buck controller for two independent outputs
- Supports high switching frequencies up to 1 MHz
- Voltage mode control with input voltage feedforward
- Programmable soft start
- Adjustable current limit
- Power-good indicator for each channel
- Pre-bias startup
- Synchronization to an external clock
These features enable the TPS40322RHBR to provide efficient power conversion and tight regulation for complex systems. It is commonly used in applications requiring multiple power rails with high current demands. Always refer to the latest datasheet for detailed pin functions and specific design considerations.
Manufacturer
Application
1. Telecommunications Equipment: Provides stable power for communication systems.
2. Server and Storage Systems: Powers processors and memory modules in data centers.
3. Networking Hardware: Offers power management for switches and routers.
4. Industrial and Commercial Power Systems: Ensures reliability in factory and commercial electronics.
5. Consumer Electronics: Enhances power efficiency in high-performance devices.
6. Distributed Power Architectures: Supports modular power supply designs.
These applications benefit from the TPS40322RHBR's high efficiency, flexibility, and robust performance in converting power for complex electronics.