사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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) | 0.6V |
| Voltage-Output(Max) | 18V |
| Current-Output | 3A, 2A |
| Frequency-Switching | 250kHz ~ 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 32-VFQFN Exposed Pad |
개요
Description
The TPS65261-1RHBR is a highly efficient triple buck converter from Texas Instruments, designed for applications requiring multiple power rails. It integrates three synchronous buck converters that support high efficiency and fast transient response, making it ideal for powering a variety of applications including consumer electronics, industrial controls, and communication equipment.
Key features include:
- Wide input voltage range: The device can operate from 4.5 V to 18 V, accommodating different power sources.
- Output versatility: Each channel can deliver up to 3 A with adjustable output voltages, offering flexibility in power design.
- Efficiency: The device features integrated high-side and low-side MOSFETs, reducing power loss and enhancing overall efficiency.
- Synchronization and sequencing: It supports external synchronization and power-up sequencing, aiding in system-level management and reducing electromagnetic interference.
- Protection features: Built-in protections such as overcurrent, overvoltage, and thermal shutdown ensure robust performance.
The TPS65261-1RHBR is available in a compact 32-pin VQFN package, making it suitable for space-constrained applications. Its versatility and comprehensive feature set make it a reliable choice for multi-rail power solutions.
Key features include:
- Wide input voltage range: The device can operate from 4.5 V to 18 V, accommodating different power sources.
- Output versatility: Each channel can deliver up to 3 A with adjustable output voltages, offering flexibility in power design.
- Efficiency: The device features integrated high-side and low-side MOSFETs, reducing power loss and enhancing overall efficiency.
- Synchronization and sequencing: It supports external synchronization and power-up sequencing, aiding in system-level management and reducing electromagnetic interference.
- Protection features: Built-in protections such as overcurrent, overvoltage, and thermal shutdown ensure robust performance.
The TPS65261-1RHBR is available in a compact 32-pin VQFN package, making it suitable for space-constrained applications. Its versatility and comprehensive feature set make it a reliable choice for multi-rail power solutions.
Equivalent
The TPS65261-1RHBR is a triple synchronous step-down converter from Texas Instruments. Equivalent products include:
1. MAX20092 - by Maxim Integrated, designed for automotive applications.
2. LTC3646 - by Analog Devices, offers a similar power management function.
3. RT6280 - by Richtek, featuring multiple output channels.
4. LMR33630 - by Texas Instruments, although different, it also serves as a step-down converter.
Make sure to verify specifications like voltage, current, and package compatibility to ensure a suitable replacement.
1. MAX20092 - by Maxim Integrated, designed for automotive applications.
2. LTC3646 - by Analog Devices, offers a similar power management function.
3. RT6280 - by Richtek, featuring multiple output channels.
4. LMR33630 - by Texas Instruments, although different, it also serves as a step-down converter.
Make sure to verify specifications like voltage, current, and package compatibility to ensure a suitable replacement.
Features
The TPS65261-1RHBR is a highly integrated power management device designed for a variety of applications. It features three synchronous buck converters, which are efficient in stepping down voltage with integrated high-side and low-side MOSFETs to minimize external component count. The device supports a wide input voltage range, making it versatile for different power sources.
Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 18V.
2. Output Voltage Range: Each buck converter can be programmed to output voltages between 0.8V to 15V.
3. Current Capability: Can handle up to 3A of continuous output current per buck converter.
4. Efficiency: High efficiency due to synchronous rectification and low RDS(on) MOSFETs.
5. Protection Features: Includes over-current, short-circuit, over-voltage, under-voltage, and over-temperature protections to ensure reliable operation.
6. Adjustable Switching Frequency: Allows for optimization between efficiency and component size.
7. Thermal Shutdown: Protects the device from overheating.
8. Soft-Start Capability: Reduces inrush current during startup.
These features make the TPS65261-1RHBR suitable for applications needing compact, efficient power solutions, such as in consumer electronics and industrial applications.
Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 18V.
2. Output Voltage Range: Each buck converter can be programmed to output voltages between 0.8V to 15V.
3. Current Capability: Can handle up to 3A of continuous output current per buck converter.
4. Efficiency: High efficiency due to synchronous rectification and low RDS(on) MOSFETs.
5. Protection Features: Includes over-current, short-circuit, over-voltage, under-voltage, and over-temperature protections to ensure reliable operation.
6. Adjustable Switching Frequency: Allows for optimization between efficiency and component size.
7. Thermal Shutdown: Protects the device from overheating.
8. Soft-Start Capability: Reduces inrush current during startup.
These features make the TPS65261-1RHBR suitable for applications needing compact, efficient power solutions, such as in consumer electronics and industrial applications.
Pinout
The TPS65261-1RHBR is a power management IC from Texas Instruments, designed to manage multiple power rails in a system. It comes in a 32-pin VQFN package. The device integrates three synchronous step-down DC-DC converters, which are used to efficiently step down a higher voltage to a lower voltage suitable for powering various components in electronic devices. The converters are designed for high efficiency and can support a wide range of input and output voltages, making the TPS65261-1RHBR suitable for a variety of applications, including consumer electronics, communications, and industrial equipment.
Key features of the TPS65261-1RHBR include adjustable output voltages, programmable switching frequency, and power sequencing options. It also offers protection features like over-current protection and thermal shutdown to ensure safe operation under different conditions.
Key features of the TPS65261-1RHBR include adjustable output voltages, programmable switching frequency, and power sequencing options. It also offers protection features like over-current protection and thermal shutdown to ensure safe operation under different conditions.
Manufacturer
The TPS65261-1RHBR is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments is well-known for designing and manufacturing a wide range of semiconductor devices, including analog and embedded processing chips. The company focuses on developing innovative solutions for electronic systems and serves various industries, such as automotive, industrial, personal electronics, communications, and enterprise systems. TI's products are integral to a broad array of applications, contributing to advancements in technology and electronics around the world.
Application
The TPS65261-1RHBR is a power management IC commonly used in applications that require efficient power conversion and distribution. Its typical application areas include industrial and automotive systems, communication equipment, and consumer electronics. It is particularly suited for powering microcontrollers, FPGAs, DSPs, and other digital circuits where multiple voltage rails are needed. The device's features, such as its ability to support a wide input voltage range and provide multiple outputs with high efficiency, make it ideal for systems that demand reliable and compact power solutions. Its integration of key components helps reduce the overall size and cost of the power supply design.
Package
The package type for the TPS65261-1RHBR is VQFN (Very Thin Quad Flat No-Lead) with 32 pins. The specific package dimensions are designed to be compact, typically enhancing thermal performance and reducing the footprint on circuit boards.