Alpha & Omega Semiconductor Inc. AOZ2151PQI-05
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.69 | $1.69 |
| 15+ | $1.64 | $24.60 |
| 25+ | $1.60 | $40.00 |
| 50+ | $1.51 | $75.50 |
| 100+ | $1.34 | $134.00 |
| N+ | $0.27 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Alpha & Omega Semiconductor Inc. |
| Product Series | EZBuck™ |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 14V |
| Voltage - Input (Max) | 28V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 23.8V |
| Current - Output | 4A |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 18-PowerWFQFN |
| Supplier Device Package | 18-QFN (3x3) |
| ROHS |  |
The Alpha & Omega Semiconductor AOZ2151PQI-05 is a high-current Buck DC-DC converter designed for 24V bus systems. It accepts a 14V to 28V input and delivers up to 4A with an adjustable output from 0.8V to 23.8V. The fixed 1MHz switching frequency enables compact external components, while the 18-PowerWFQFN package supports dense PCB layouts for networking, industrial, and telecom applications.
- High Output Current (4A): Suitable for powering FPGAs, ASICs, and processors.
- Optimized for 24V Buses (14V-28V): Ideal for industrial and telecom power architectures.
- Fixed 1MHz Frequency: Allows for small inductors and capacitors, reducing board space.
- Wide Output Range (0.8V-23.8V): Flexible for various low-voltage and mid-voltage rails.
- Compact 18-PowerWFQFN: Excellent thermal performance in a small footprint.
Networking and Telecom Power Supplies
Systems with 24V intermediate bus architectures benefit from the AOZ2151PQI-05's 14V-28V input range. It efficiently steps down to 1.0V-3.3V for high-current ASICs, FPGAs, and DDR memory, with 4A capability for demanding loads.
Industrial Automation and Robotics
Robotic controllers and PLCs often use 24V supplies. This converter provides a stable 5V or 3.3V rail for the main processor, motor drivers, and communication interfaces. The 1MHz frequency allows for small inductors, saving space in control cabinets.
Base Stations and 5G Equipment
Remote radio units (RRUs) and baseband units use 24V or 28V rails. The AOZ2151PQI-05 delivers 4A for power-hungry DSPs and FPGAs, with high efficiency to reduce cooling requirements in outdoor enclosures.
LED Display and Signage
Large LED video walls use 24V power supplies. This buck converter generates clean 3.3V and 5V rails for the control boards, scan drivers, and communication modules, ensuring stable operation of thousands of LEDs.
Test and Measurement Equipment
Bench instruments often have internal 24V rails. The AOZ2151PQI-05 provides low-noise, regulated outputs for analog front-ends and digital control logic, with the 1MHz frequency enabling precise filtering.
Electric Vehicle Charging Stations
Charging stations use 24V auxiliary supplies for control electronics. This converter steps down to 3.3V for the main controller, payment terminal, and display, with 4A capacity for multiple peripherals.
- Q: What type of converter is the AOZ2151PQI-05?
- A: It is a Buck (step-down) DC-DC converter from Alpha & Omega Semiconductor.
- Q: What is the input voltage range?
- A: The input voltage range is 14V to 28V.
- Q: What is the output voltage range?
- A: The output is adjustable from 0.8V to 23.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 4A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 1MHz.
- Q: What package is available?
- A: It comes in an 18-PowerWFQFN package.
AOZ2151PQI-05.pdf
- Q: What type of converter is the AOZ2151PQI-05?
- A: It is a Buck (step-down) DC-DC converter from Alpha & Omega Semiconductor.
- Q: What is the input voltage range?
- A: The input voltage range is 14V to 28V.
- Q: What is the output voltage range?
- A: The output is adjustable from 0.8V to 23.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 4A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 1MHz.
- Q: What package is available?
- A: It comes in an 18-PowerWFQFN package.
