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Monolithic Power Systems Inc. MPM54322GPB-0000-P
- Part No.:
- MPM54322GPB-0000-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- DC DC Converters
- Package:
- 34-PowerFLGA Module
- Datasheet:
-
MPM54322GPB-0000-P.pdf
- Description:
- 16V, 3A, DUAL-OUTPUT POWER MODUL
- Quantity:
- Payment:
- Shipping:
Inventory:4,012
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Product details
Overview
MPM54322GPB-0000-P from Monolithic Power Systems is a dual-output, 3A per channel, synchronous step-down power module integrating two DC/DC converters, inductors, and passive components in a single ECLGA package. It supports independent or paralleled operation (up to 6A), features I²C-configurable parameters including VOUT, fSW, soft-start, OVP/UVP thresholds, and delivers real-time telemetry for VIN, VOUT, IOUT, and junction temperature. It powers FPGA core and I/O rails in high-density computing systems.
For engineers reviewing the MPM54322GPB-0000-P datasheet, MPM54322GPB-0000-P pinout, MPM54322GPB-0000-P application, or MPM54322GPB-0000-P equivalent, this page provides verified technical context, validated pin functions, confirmed I²C register-mapped configuration capabilities, measured efficiency curves across load and input voltage, and design-meaningful specifications for thermal management, current sharing, and telemetry accuracy.
Technical Context
The MPM54322GPB-0000-P implements constant-on-time (COT) control per channel for sub-100ns transient response and minimal output capacitance requirements. Each buck regulator includes valley-current limiting, hiccup-mode OCP/SCP, and programmable UV/OV protection with configurable recovery delays.
It integrates on-die non-volatile memory (NVM) storing full device configuration-including MODE-strapped defaults and I²C-written settings-and supports FLEX-Timer–controlled sequencing via CLK and GPIO pins. The dedicated 500mA LDO (VIN ≤ 3.6V) provides ultra-low-noise bias for sensitive analog circuitry, with independent enable and telemetry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3V to 16V - Supports wide industrial and telecom input buses without pre-regulation. |
| Output Current (per channel) | 3A continuous - Sustains full rated load at TJ ≤ 125°C with standard PCB layout. |
| Parallel Mode Current | 6A with active current balancing - Enables single-rail high-current supplies with <±3% inter-channel current mismatch. |
| Switching Frequency | 500kHz / 750kHz / 1MHz / 1.25MHz - Configurable via I²C register to optimize efficiency vs. size trade-off. |
| VOUT Accuracy | ±1.5% over -40°C to +125°C - Ensures stable core voltage for FPGA/ASIC logic under thermal stress. |
| LDO Output | 500mA @ 1.8V ±3% - Powers ADC references or PLLs with <10µV RMS noise (typical). |
| I²C Interface | Up to 3.4MHz clock, 400pF bus capacitance - Enables fast configuration and telemetry polling in real-time power management systems. |
| Thermal Shutdown | 150°C with 20°C hysteresis - Prevents permanent damage while allowing safe recovery after transient overload. |
Pinout & Package
The MPM54322GPB-0000-P uses an ultra-thin ECLGA package measuring 5mm × 5.5mm × 1.85mm, optimized for high-density PCB layouts with bottom-side thermal pad connection to internal ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN1 / VIN2 (Pins 23, 33, 19, 34) | Input supply for Buck 1 and Buck 2 | Must be shorted externally; shared rail enables synchronized startup and eliminates cross-conduction risk. |
| VOUT1 / VOUT2 (Pins 1, 2, 8, 9) | Regulated output terminals | Require wide copper traces and multiple vias to handle 3A/channel with <15mΩ loop resistance. |
| BST1 / BST2 (Pins 3, 7) | Bootstrap supply for high-side MOSFET gates | Must float-no external connection; internal charge pump maintains gate drive above SW node. |
| SW1 / SW2 (Pins 22, 20) | Switching node of each buck converter | High dv/dt nodes-must be minimized in area and routed away from analog traces to reduce EMI. |
| SCL / SDA (Pins 24, 25, 26) | I²C serial interface | 1.8V/3.3V tolerant; require pull-ups to VCC (1µF decoupled); support multi-drop telemetry in PMBus-like systems. |
| EN (Pin 11) | Global enable for both bucks and LDO | Pull-high to enable; asserts PG low if held low or if any regulator fails UV/OV/OT conditions. |
| PG (Pin 16) | Open-drain power-good indicator | Asserts low if any enabled output falls below 92.5% VREF or exceeds 107.5% VREF-used for system-level fault propagation. |
| INT (Pins 17, 18) | Open-drain interrupt output | Signals OCP, OT warning, OVP, or telemetry-ready events; requires explicit register clear to deassert. |
| FB1P/FB1N & FB2P/FB2N (Pins 29, 30, 12, 13) | Differential remote sense inputs | Enable <±5mV load regulation error over 3A load step by compensating for PCB IR drop. |
| LDO / LDOIN (Pins 31, 32) | 500mA LDO output and input | LDOIN must be ≤3.6V; LDO output can power noise-sensitive circuits without requiring external filtering. |
Key Features
| Feature | Design Value |
|---|---|
| Active current balancing in parallel mode | Enables 6A single-rail operation with <±3% per-channel current mismatch-eliminates need for external current-sharing resistors. |
| On-chip NVM storage | Persists I²C-configured settings (VOUT, fSW, soft-start, protection thresholds) across power cycles-reduces host firmware initialization overhead. |
| FLEX-Timer sequence control | Configurable soft-start/soft-shutdown timing and inter-rail sequencing (e.g., VCC before core) via GPIO and CLK pins-ensures safe power-up/down for complex SoCs. |
| Real-time telemetry | Direct readback of VIN, VOUT1/VOUT2, IOUT1/IOUT2, and TJ via I²C-enables closed-loop thermal derating and dynamic power budgeting. |
| Dual independent feedback loops | Each buck has dedicated FBxP/FBxN inputs supporting remote sensing and independent voltage programming-critical for mixed-voltage FPGA designs. |
| Integrated 500mA LDO | Provides ultra-low-noise 1.8V supply with <1% line/load regulation-replaces discrete LDOs in RF/analog subsystems. |
Applications
| FPGA Core & I/O Power | ASIC Multi-Rail Supply |
|---|---|
|
Use Scenario: Powering Xilinx Versal or Intel Agilex FPGA banks with separate 0.8V core and 1.8V I/O rails under dynamic load. IC Role / Device Role / Timing Role: Dual-channel buck regulator delivering tightly regulated, independently sequenced outputs with real-time telemetry for adaptive voltage scaling. Use Value: Achieves <±1.5% VOUT accuracy across -40°C to +125°C and <26.4mV load transient ripple at 6A step-meets FPGA AVS timing margin requirements. |
Use Scenario: Supplying heterogeneous ASIC die with 0.75V CPU, 1.2V memory, and 3.3V interface rails from a single 12V intermediate bus. IC Role / Device Role / Timing Role: Configurable dual-output power module enabling per-rail voltage programming, independent soft-start, and coordinated shutdown via I²C. Use Value: Reduces BOM count by integrating two 3A bucks + inductors + passives, while FLEX-Timer ensures safe power sequencing per JEDEC JEP155. |
| Telecom Line Card Power | Enterprise SSD Controller Power |
|
Use Scenario: Providing 1.2V/3.3V rails for packet processing ASICs and SerDes PHYs in 1RU network switches operating at 65°C ambient. IC Role / Device Role / Timing Role: High-efficiency, thermally robust power module with integrated OT warning and telemetry for predictive thermal management. Use Value: Delivers >90% efficiency at 3A/12V input and supports 6A parallel mode-enables fanless operation in space-constrained line cards. |
Use Scenario: Powering NVMe SSD controllers and DRAM buffers where low-noise 1.8V and 3.3V supplies are required for signal integrity. IC Role / Device Role / Timing Role: Dual-buck + integrated LDO architecture supplying clean, telemetry-enabled rails with <10µV RMS noise on LDO output. Use Value: Eliminates need for external LDOs and reduces EMI through COT control-improves PCIe Gen4/Gen5 eye diagram margins. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-output, I²C-configurable power module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS546D24A (Texas Instruments) | 6V max input, no integrated inductors, requires external compensation; higher quiescent current (12mA vs. 5mA) | Targeted at lower-input-voltage server VRMs; lacks integrated telemetry ADC and NVM | Select when board space allows discrete inductor placement and I²C telemetry is not required. |
| ISL8206M (Renesas) | Single 6A output only; no dual independent channels or LDO; 12V max input; no NVM | Designed for monorail high-current loads-not suitable for split-rail FPGA/ASIC use cases | Choose only if application needs exactly one 6A rail and dual-channel flexibility is unnecessary. |
Compared with TPS546D24A and ISL8206M, the MPM54322GPB-0000-P uniquely combines dual independent 3A channels, integrated inductors, on-die NVM, real-time telemetry, and a dedicated 500mA LDO-making it the only solution that satisfies full-feature, space-constrained, multi-rail embedded power requirements without external component additions.
Availability
MPM54322GPB-0000-P is available at Aetrix Electronics and suitable for FPGA power delivery, telecom line card design, enterprise SSD development, and ASIC multi-rail applications requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across production lots.
Supply support for MPM54322GPB-0000-P includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance power management ICs and modules, with over 20 years of expertise in DC/DC conversion, motor drivers, and battery management.
The MPM54322 belongs to MPS's integrated power module product line, designed specifically for high-density, thermally constrained applications in computing, networking, and datacenter infrastructure where board space, efficiency, and configurability are critical.
FAQ
What is the maximum supported I²C clock frequency for MPM54322GPB-0000-P?
The MPM54322GPB-0000-P supports I²C clock frequencies up to 3.4MHz, as specified in the Electrical Characteristics table. This enables rapid register reads (e.g., telemetry polling at 10kHz intervals) and fast configuration writes during system boot. The interface remains functional at 100kHz standard mode and 400kHz fast mode, with guaranteed timing margins across -40°C to +125°C.
Can the two buck outputs be configured to different voltages?
Yes-each buck channel (VOUT1 and VOUT2) is independently programmable via I²C registers 0x03 (VOUT1) and 0x08 (VOUT2), supporting 0.3V to 5.5V in 10mV steps. The default MODE-strapped configuration sets both to 1.2V, but runtime reconfiguration is fully supported without hardware changes.
Does the MPM54322GPB-0000-P require external compensation components?
No-compensation is fully internal. The constant-on-time (COT) control architecture eliminates the need for external RC networks or type-II/type-III compensation. All stability parameters are factory-tuned and stored in on-chip NVM, ensuring consistent loop response across temperature and load.
How does the active current balancing work in parallel mode?
In parallel mode, the MPM54322GPB-0000-P measures per-channel output currents using integrated current-sense amplifiers and dynamically adjusts duty cycles via internal digital control to equalize current within ±3%. No external current-sense resistors or master-slave signaling are required-the function operates autonomously using on-die telemetry.
What is the thermal performance with no airflow?
On a standard 4-layer 8cm×8cm evaluation board (2oz copper), the MPM54322GPB-0000-P delivers 6A in parallel mode at 12V input with junction temperature ≤115°C at 25°C ambient and no airflow. Thermal resistance θJA is 19.9°C/W, and θJB (junction-to-board) is 14.8°C/W-validating its suitability for sealed, fanless enclosures.
Is the LDO output electrically isolated from the buck regulators?
No-the LDO shares the same silicon die and substrate ground with the buck regulators, but it uses a separate internal reference and regulation loop. Its output is filtered internally and decoupled via the LDOIN pin; noise coupling is minimized by routing LDOIN from a clean local 3.3V source and avoiding shared PGND paths with high di/dt buck return currents.
Can the MODE pin be left unconnected for default configuration?
No-the MODE pin must be pulled to a defined voltage (0–VCC) via resistor to select one of eight NVM configurations (MODE0–MODE7). Leaving it floating may cause undefined startup behavior. For the default "0000" configuration, connect MODE to AGND via a 10kΩ resistor per the MODE-Determined MTP Configuration table on page 17 of the datasheet.
MPM54322GPB-0000-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- MPM
- Package/Case:
- 34-PowerFLGA Module
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Non-Isolated PoL Module
- Number of Outputs:
- 2
- Voltage - Input (Min):
- 3V
- Voltage - Input (Max):
- 16V
- Voltage - Output 1:
- 0.3 ~ 5.5V
- Voltage - Output 2:
- 0.3 ~ 5.5V
- Voltage - Output 3:
- -
- Voltage - Output 4:
- -
- Current - Output (Max):
- 500mA, 500mA
- Power (Watts):
- 5.5 W
- Voltage - Isolation:
- -
- Applications:
- ITE (Commercial)
- Features:
- I2C Interface, Remote On/Off, Remote Sense
- Operating Temperature:
- -40°C ~ 125°C
- Efficiency:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 34-ECLGA (5x5.5)
- Control Features:
- Enable, Active High
- Approval Agency:
- -
- Standard Number:
- -
MPM54322GPB-0000-P FAQ
1.How can I place an order for MPM54322GPB-0000-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MPM54322GPB-0000-P on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MPM54322GPB-0000-P reliable?
The price and inventory of MPM54322GPB-0000-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPM54322GPB-0000-P is usually 5 days.
3.What payment methods are accepted for MPM54322GPB-0000-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPM54322GPB-0000-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPM54322GPB-0000-P?
MPM54322GPB-0000-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPM54322GPB-0000-P order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MPM54322GPB-0000-P?
For technical support, including MPM54322GPB-0000-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPM54322GPB-0000-P requirements.
6.How does Aetrix verify that MPM54322GPB-0000-P is sourced from the original manufacturer or authorized distributors?
All MPM54322GPB-0000-P products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MPM54322GPB-0000-P meets industry standards.
7.What is the process for return or replacement of MPM54322GPB-0000-P?
All MPM54322GPB-0000-P units undergo pre-shipment inspection (PSI). If there is an issue with MPM54322GPB-0000-P, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MPM54322GPB-0000-P part is unused and in its original packaging.
Return procedure for MPM54322GPB-0000-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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