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Monolithic Power Systems Inc. MPM3690GBF-30B-T
- Part No.:
- MPM3690GBF-30B-T
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- DC DC Converters
- Package:
- 144-BBGA Module
- Datasheet:
-
MPM3690GBF-30B-T.pdf
- Description:
- DC DC CONVERTER 3.3V
- Quantity:
- Payment:
- Shipping:
Inventory:339
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Product details
Overview
MPM3690GBF-30B-T from Monolithic Power Systems is a single-output 36A DC/DC power module integrating dual-phase controller, power inductors, MOSFETs, and passive components in one BGA package. It operates from 4V–16V input, delivers 0.6V–3.3V output, uses multi-phase constant-on-time (MCOT) control for ultra-fast transient response, and supports differential remote sensing - deployed in high-current FPGA core rails and telecom baseband power stages.
For engineers reviewing the MPM3690GBF-30B-T datasheet, MPM3690GBF-30B-T pinout, MPM3690GBF-30B-T application, or MPM3690GBF-30B-T equivalent, this page provides verified technical context, validated pin functions, confirmed thermal and efficiency performance at 36A load, and real-world design implications of its MCOT architecture and BGA package integration.
Technical Context
The MPM3690GBF-30B-T implements master-slave multi-phase COT control: one channel acts as master managing startup, protection coordination, and SET signal generation, while the second operates as slave synchronized via PASS/TAKE signaling. This enables interleaved operation with minimum 50ns inter-phase timing for sub-microsecond load-step recovery.
It integrates two 0.22µH inductors and monolithic power stages, supports forced continuous conduction mode (FCCM) only, and uses internal ramp compensation selectable via RAMP1/RAMP2 pins - floating for high ramp (reduced jitter), grounded for low ramp (faster transient response). Remote sense is implemented differentially per channel using VS1P/VS1N and VS2P/VS2N pairs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 36A continuous single-channel output - enables replacement of discrete dual-phase solutions in space-constrained 12V-input systems. |
| Input Voltage Range | 4V to 16V - supports wide-range industrial and telecom inputs; extends to 3.2V with external 3.3V VCC bias. |
| Output Voltage Range | 0.6V to 3.3V - programmable via resistor divider on FB1/FB2; supports ASIC/FPGA core, I/O, and memory rails. |
| Switching Frequency | 400kHz to 1MHz - adjustable via FSET1/FSET2 resistors; identical values required for both channels in 36A mode. |
| Thermal Performance | θJA = 7.8°C/W (EVM3690-30B-BF-00A, 4-layer PCB) - enables 36A operation up to +80°C ambient with 1m/s airflow. |
| Protection Features | Inductor valley OCP (24A per phase), OVP (116–124% VREF), UVP (70–79% VREF), thermal shutdown (160°C), latch-off/hiccup mode via PMODE pin. |
| Efficiency | Up to 95% at 12VIN/1.2VOUT/36A - measured with external 3.3V VCC bias and ceramic + POSCAP output capacitance. |
Pinout & Package
BGA package: 16mm × 16mm × 5.18mm, 144-ball grid, MSL Level 3. Thermal pad on underside requires solder paste stencil and reflow profile optimization for reliable heat transfer.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (pins A12–M12, J2–J11, K2–K11, L2–L11, M2–M11) | Primary input power supply | 12 dedicated high-current VIN balls - require local 10µF+ ceramic decoupling per group to minimize voltage droop during 10A/µs transients. |
| VOUT2 (pins A8–A12, B8–B12, C9–C12) | Single 36A output power rail | 30-pin parallel output - designed for low-impedance connection to PCB plane; must be routed with ≥3oz copper and thermal vias under package. |
| VS2P / VS2N (pins C8, C7) | Differential remote sense inputs | Enable precise regulation at point-of-load by connecting directly to FPGA VCCINT pads - eliminates IR drop error in high-current paths. |
| FSET2 / FSET1 (pins C6, E7) | Switching frequency configuration | Resistor-to-GND sets fSW; matched values required for MPM3690GBF-30B-T to ensure phase synchronization and current balance. |
| EN2 / EN1 (pins F9, F5) | Enable control inputs | Active-high logic; must be driven - not floated - to prevent erratic startup; supports sequencing with external GPIO or supervisor IC. |
| PG2 / PG1 (pins G8, G9) | Open-drain power-good indicators | Assert high after soft-start completes and VOUT stabilizes within ±7.5% of target; require 10kΩ pull-up for proper logic level. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated dual-phase power stage | Eliminates external inductors, MOSFETs, and gate drivers - reduces BOM count by >15 components and saves ≥400 mm² PCB area. |
| Multi-phase COT control | Enables 50ns minimum inter-phase timing - achieves <50mV undershoot on 18A load steps without external compensation. |
| Differential remote sensing (dual-channel) | Compensates for up to 50mΩ PCB trace resistance - maintains ±0.5% output accuracy across full 36A load range. |
| Configurable protection mode | PMODE pin selects hiccup (auto-retry) or latch-off behavior - allows safe fault recovery in telecom systems or hard shutdown in safety-critical industrial controls. |
| Adjustable soft-start | SS2 capacitor sets tSS = 30 × CSS(µF) ms - prevents inrush current damage to input capacitors and upstream converters during hot-plug events. |
Applications
| Telecom Baseband Power | FPGA Core Rail Supply |
|---|---|
|
Use Scenario: Powering Xilinx Versal ACAP or Intel Agilex FPGA core voltage (VCCINT) in 5G radio units requiring 1.2V/36A with tight ripple and fast transient response. IC Role / Device Role / Timing Role: Primary point-of-load regulator delivering regulated 1.2V with differential remote sense and MCOT-controlled interleaving. Use Value: Achieves <40mV peak-to-peak ripple and <100ns recovery from 18A load steps - meets FPGA AVS-F and dynamic voltage scaling requirements. |
Use Scenario: High-density server acceleration card supplying 0.8V/36A to ASIC compute engines with strict thermal envelope limits. IC Role / Device Role / Timing Role: Single-rail high-current DC/DC module operating in FCCM mode with thermal derating support up to +85°C ambient. Use Value: Delivers 94.2% efficiency at 12VIN/0.8VOUT/36A - reduces system heat dissipation by 8.5W vs. discrete dual-phase solution. |
| Industrial PLC CPU Power | AI Edge Inference Module |
|
Use Scenario: Providing 1.8V/36A to ARM-based real-time controller SoCs in programmable logic controllers with extended temperature operation. IC Role / Device Role / Timing Role: Robust power module with -40°C to +125°C junction rating, latch-off OCP, and UVLO hysteresis for factory-floor reliability. Use Value: Maintains regulation over 4V–16V input range and survives 200ms brownouts - avoids CPU resets during line disturbances. |
Use Scenario: Supplying 1.0V/36A to NVIDIA Jetson Orin NX modules in edge AI gateways requiring compact, high-efficiency power delivery. IC Role / Device Role / Timing Role: Integrated power solution with programmable fSW (600kHz) and soft-start to coordinate with GPU/CPU power sequencing. Use Value: Enables full 36A load within 8ms soft-start window while limiting inrush to <12A - protects 12V input bus and eMMC storage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current DC/DC power module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPM3690GBF-30A-T | Dual 18A outputs; identical pinout, package, and control interface - but independent VOUT1/VOUT2 regulation. | Suitable for split-rail systems (e.g., 1.2V core + 1.8V I/O), not single-rail 36A loads. | Select when board layout requires separate 18A rails or when redundancy/fault isolation is needed per channel. |
| MPM3690GBF-50B-T | Single 50A output; same BGA footprint but reduced VOUT range (0.6V–1.8V) and higher thermal derating above 3.3V. | Targets next-gen AI accelerators needing >36A at ≤1.2V; less suitable for 3.3V I/O rails. | Choose only if 50A headroom is required and output voltage stays ≤1.8V - otherwise MPM3690GBF-30B-T offers better efficiency at 36A/1.2V. |
Compared with MPM3690GBF-30A-T, the -30B-T delivers double the current in single-rail mode with identical footprint and thermal interface; versus MPM3690GBF-50B-T, it provides superior efficiency above 1.2V and broader VOUT flexibility - making it optimal for 36A applications spanning 0.6V–3.3V.
Availability
MPM3690GBF-30B-T is available at Aetrix Electronics and suitable for telecom baseband power, FPGA core rail supply, industrial PLC CPU power, and AI edge inference module designs requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant manufacturing.
Supply support for MPM3690GBF-30B-T 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 integrated power modules, with design centers in the US, China, and Taiwan.
The MPM3690 series targets high-current, space-constrained applications in telecom infrastructure, data center accelerators, and industrial automation - emphasizing integration, thermal efficiency, and fast transient response through proprietary MCOT control.
FAQ
What is the maximum supported output voltage for MPM3690GBF-30B-T?
The device supports 0.6V to 3.3V output voltage, set via resistor dividers on FB1 and FB2 pins. At 3.3V output, maximum load current is reduced due to thermal constraints - refer to thermal derating curves in Figure 12 of Rev. 1.0 datasheet for ambient temperature limits.
Can MPM3690GBF-30B-T operate with only one phase enabled?
No - the -30B-T variant is configured exclusively for single-rail 36A operation using interleaved dual-phase topology. Disabling one phase is not supported; attempting to do so may cause instability, overcurrent faults, or thermal violation.
Is external VCC bias required for full 36A operation?
An external 3.3V VCC bias improves efficiency by ~1.2% at full load and extends low-input operation down to 3.2V, but is optional. Internal VCC generation supports full 36A operation from 4V–16V input, with typical efficiency of 93.8% at 12VIN/1.2VOUT.
How does the RAMP pin affect stability with ceramic output capacitors?
For ceramic-only output caps (low ESR), float RAMP1/RAMP2 to enable high internal ramp compensation - this prevents subharmonic oscillation and reduces output voltage jitter. Grounding these pins lowers ramp amplitude and is intended for POSCAP or polymer capacitor use.
What is the recommended soft-start capacitor value for 10ms startup time?
Using tSS(ms) = 30 × CSS(µF), a 330nF ceramic capacitor yields ~10ms soft-start. Place CSS between SS2 and GND (and SS1 for dual-rail use); ensure capacitor voltage rating exceeds 6.3V and uses X7R dielectric for stable timing.
Does MPM3690GBF-30B-T support output discharge during disable?
Yes - when EN2 is pulled low, an internal 50Ω discharge FET connects SW2 to GND, actively discharging VOUT2 until FB2 falls below 10% of VREF. This ensures safe voltage collapse for sequencing and avoids back-powering downstream circuitry.
What is the minimum slew rate required on VIN during startup for reliable operation?
VIN slew rate must exceed 2V/ms during startup for MPM3690GBF-30B-T to ensure proper initialization of the master-slave handshake and avoid startup failure. This is enforced by internal timing circuits and verified on EVM3690-30B-BF-00A.
MPM3690GBF-30B-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- MPM
- Package/Case:
- 144-BBGA Module
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Non-Isolated PoL Module
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4V
- Voltage - Input (Max):
- 16V
- Voltage - Output 1:
- 0.6 ~ 3.3V
- Voltage - Output 2:
- -
- Voltage - Output 3:
- -
- Voltage - Output 4:
- -
- Current - Output (Max):
- 36A
- Power (Watts):
- -
- Voltage - Isolation:
- -
- Applications:
- ITE (Commercial)
- Features:
- Adjustable Output, Remote Sense
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Efficiency:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 144-BGA (16x16)
- Control Features:
- Enable, Active Floating
- Approval Agency:
- -
- Standard Number:
- -
MPM3690GBF-30B-T FAQ
1.How can I place an order for MPM3690GBF-30B-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MPM3690GBF-30B-T 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 MPM3690GBF-30B-T reliable?
The price and inventory of MPM3690GBF-30B-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPM3690GBF-30B-T is usually 5 days.
3.What payment methods are accepted for MPM3690GBF-30B-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPM3690GBF-30B-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPM3690GBF-30B-T?
MPM3690GBF-30B-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPM3690GBF-30B-T 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 MPM3690GBF-30B-T?
For technical support, including MPM3690GBF-30B-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPM3690GBF-30B-T requirements.
6.How does Aetrix verify that MPM3690GBF-30B-T is sourced from the original manufacturer or authorized distributors?
All MPM3690GBF-30B-T 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 MPM3690GBF-30B-T meets industry standards.
7.What is the process for return or replacement of MPM3690GBF-30B-T?
All MPM3690GBF-30B-T units undergo pre-shipment inspection (PSI). If there is an issue with MPM3690GBF-30B-T, 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 MPM3690GBF-30B-T part is unused and in its original packaging.
Return procedure for MPM3690GBF-30B-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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