IRPS5401MTRPBF - 5-Output Digital PMIC | Infineon | QFN-56
MPN: IRPS5401MTRPBF β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $10 | $1,000.00 |
| 500 | $9 | $4,500.00 |
| 1,000 | $8.1 | $8,100.00 |
Drop-in alternatives for IRPS5401MTRPBF β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
IRPS5401M
β Drop-Inπ Reference alternative (not in catalog)
TPS53632
β Drop-Inπ Reference alternative (not in catalog)
LTC3882-1
β Drop-Inβ In Stock
$7.9 / Unit
View Datasheet βIRPS5401MTRPBF
β Drop-Inβ In Stock
$8.1 / Unit
View Datasheet βIRPS5401MTRPBF
β Drop-Inβ In Stock
$8.1 / Unit
View Datasheet βIRPS5401MTRPBF Maximum Ratings & Electrical Characteristics
| Number of Outputs | 5 (4 switching + 1 LDO) |
| Switching Regulator Output Current | 4A, 4A, 2A, 2A |
| LDO Output Current | 500mA source/sink |
| Input Voltage Range | 5.5V to 12V |
| Output Voltage Range (A-D) | 0.25V to 5.1V |
| Output Voltage Range (LDO) | 0.5V to 3.6V |
| Package | QFN-56 (7x7mm) |
| Mounting Type | Surface Mount |
| Interface | PMBus / AVS |
| Switching Frequency | [DATA_NEEDED: switching frequency] |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] |
| RoHS Status | Compliant |
| Supply Current | 40mA |
| Termination | 56 |
| Function | Power Management Specialized |
IRPS5401MTRPBF Pin Configuration
| Pin 1 | VIN_A β Input supply for output A |
| Pin 2 | VIN_B β Input supply for output B |
| Pin 3 | VIN_C β Input supply for output C |
| Pin 4 | VIN_D β Input supply for output D |
| Pin 5 | VCC β LDO output, bypass with 1.0uF to AGND |
| Pin 6 | VDRV β Driver supply, filter from VCC with 2 ohm-1uF |
| Pin 7 | AGND β Analog ground |
| Pin 8 | PGND β Power ground |
| Pin 9 | SDA β PMBus data |
| Pin 10 | SCL β PMBus clock |
| Pin 11 | ALERT β PMBus alert |
| Pin 12 | SYNC β Synchronization input |
| Pin 13 | VOUT_A β Output A sense |
| Pin 14 | VOUT_B β Output B sense |
| Pin 15 | VOUT_C β Output C sense |
| Pin 16 | VOUT_D β Output D sense |
| Pin 17 | VOUT_LDO β LDO output |
| Pin 18 | EN β Enable input |
| Pin 19 | PG β Power good output |
| Pin 20 | NC β No connect |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
IRPS5401MTRPBF is suitable for 6 applications: Server and Storage Systems, Networking and Telecom Equipment, Embedded Computing and Industrial, FPGA and ASIC Power Supplies, Communications Infrastructure, High-Density Multi-Rail Systems.
Server and Storage Systems
The IRPS5401MTRPBF provides multiple regulated rails for CPUs, memory, and I/O in servers and storage arrays. Its five outputs (4A, 4A, 2A, 2A switching plus 500mA LDO) can power core, I/O, and auxiliary voltages with precise sequencing. The PMBus interface enables real-time monitoring and margining, essential for high-availability systems. The compact QFN-56 package saves board space, and the wide input range (5.5V-12V) accommodates standard server power supplies. Efficiency is optimized through digital control, reducing thermal stress in dense enclosures.
Recommended
Networking and Telecom Equipment
In networking switches and telecom line cards, the IRPS5401MTRPBF powers FPGAs, ASICs, and SerDes transceivers requiring multiple low-voltage rails. The four switching regulators can be configured for core, I/O, and auxiliary voltages, while the LDO provides a clean supply for PLLs and analog circuits. The PMBus interface allows dynamic voltage scaling (AVS) to reduce power consumption during idle periods. The device's small footprint and high efficiency are critical for space-constrained line cards. Its 5.5V-12V input range is compatible with intermediate bus architectures.
Recommended
Embedded Computing and Industrial
For embedded computing modules and industrial controllers, the IRPS5401MTRPBF provides a complete power solution in a single IC. Its five outputs can power a processor core, DDR memory, I/O, and analog peripherals. The digital control loop ensures stable operation across load transients, critical for real-time applications. The PMBus interface enables remote monitoring and fault logging, simplifying system diagnostics. The wide operating temperature range (if specified) supports harsh environments. The QFN-56 package with exposed pad aids thermal management in sealed enclosures.
Recommended
FPGA and ASIC Power Supplies
Modern FPGAs and ASICs require multiple voltage rails with precise sequencing and tight tolerances. The IRPS5401MTRPBF's four switching regulators can be configured for core, auxiliary, and I/O voltages, while the LDO provides a low-noise rail for transceivers. The PMBus interface supports voltage margining and sequencing, essential for reliable FPGA operation. The device's high efficiency reduces heat dissipation, allowing smaller heatsinks. Its compact size is ideal for mezzanine cards and accelerator modules. The 5.5V-12V input range matches typical FPGA board power architectures.
Recommended
Communications Infrastructure
In base stations and communication equipment, the IRPS5401MTRPBF powers DSPs, FPGAs, and RF transceivers. The multiple outputs can be tailored to different voltage domains, while the LDO ensures clean power for sensitive RF circuits. The PMBus interface enables remote monitoring and control, reducing maintenance costs. The device's high efficiency and thermal performance are crucial for outdoor and high-temperature environments. Its compact footprint allows dense board layouts. The input range supports standard 12V telecom supplies.
Recommended
High-Density Multi-Rail Systems
The IRPS5401MTRPBF is designed for high-density systems where board space is at a premium. By integrating five outputs in a single QFN-56 package, it eliminates the need for multiple discrete regulators, reducing component count and layout complexity. The PMBus interface simplifies configuration and monitoring, reducing development time. The device's efficiency minimizes thermal management requirements, enabling denser packing. Its 5.5V-12V input range is versatile for various bus voltages. This makes it ideal for advanced computing platforms, AI accelerators, and high-performance networking gear.
Recommended
Recommended Products Summary
Engineering reference data for IRPS5401MTRPBF β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | IRPS5401M | TPS53632 | LTC3882 |
|---|---|---|---|---|
| Package | QFN-56 (7x7mm) | QFN-56 (7x7mm) | QFN-56 (7x7mm) | QFN-56 (7x7mm) |
| Brand | Infineon | Infineon | Texas Instruments | Analog Devices |
| Number of Outputs | 5 (4 switching + 1 LDO) | 5 (4 switching + 1 LDO) | 2 | 2 |
| Input Voltage Range | 5.5V to 12V | 1.2V to 14V | 4.5V to 16V | 4.5V to 14V |
| Output Voltage Range | 0.25V to 5.1V (A-D), 0.5V to 3.6V (LDO) | 0.25V to 5.1V (A-D), 0.5V to 3.6V (LDO) | 0.25V to 5.5V | 0.5V to 5.5V |
| Maximum Output Current | 4A, 4A, 2A, 2A + 500mA LDO | Up to 50A with external stages | Up to 40A per phase | Up to 40A per phase |
| Interface | PMBus / AVS | PMBus / AVS | PMBus / AVS | PMBus / AVS |
| RoHS | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Five integrated outputs in a single QFN-56 package (vs TPS53632)
- Integrated LDO for low-noise analog rails (vs LTC3882)
- Wide input range and external power stage support in IRPS5401M variant (vs IRPS5401M)
Design Notes
Ensure adequate input decoupling on VIN pins. Use low-ESR ceramic capacitors (e.g., 10uF) close to each VIN pin to handle transient currents. The VDRV pin requires a 2 ohm-1uF filter from VCC to VDRV to supply the internal driver circuitry. The LDO output (VCC) must be bypassed with a 1.0uF capacitor to analog ground (pin 50) for stability.
The QFN-56 package has an exposed pad that must be soldered to a large copper area on the PCB for heat dissipation. For high-current operation, use multiple vias to connect the pad to inner ground planes. Consider the total power dissipation across all outputs; at 12V input and 5V output, each 4A regulator dissipates significant heat. Ensure adequate airflow or heatsinking in the final enclosure.
Place the PMIC close to the loads to minimize trace inductance and resistance. Use separate analog and power ground planes, connecting them at a single point near the IC. Route PMBus signals (SDA, SCL, ALERT) away from switching nodes to avoid noise coupling. Follow the layout guidelines in the Infineon datasheet for optimal performance.
Compliance Information
RoHS compliant per distributor data. AEC-Q100 not applicable for industrial PMIC.
