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Monolithic Power Systems Inc. MPM3695GBH-100-0001
- Part No.:
- MPM3695GBH-100-0001
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- DC DC Converters
- Package:
- 253-BBGA Module
- Datasheet:
-
MPM3695GBH-100-0001.pdf
- Description:
- DC DC CONVERTER 3.3V
- Quantity:
- Payment:
- Shipping:
Inventory:217
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Product details
Overview
MPM3695GBH-100-0001 from Monolithic Power Systems is a 100A, 16V-input, fully integrated DC/DC power module with PMBus 1.3 interface, four-phase interleaved architecture, MCOT control, and remote voltage sensing. It delivers up to 100A at ≤1.8V or 60A at 3.3V in a single BGA package and supports parallel operation up to 800A for high-density server and FPGA core power applications.
For engineers reviewing the MPM3695GBH-100-0001 datasheet, MPM3695GBH-100-0001 pinout, MPM3695GBH-100-0001 application, or MPM3695GBH-100-0001 equivalent, key selection considerations include its ±1% reference accuracy over –40°C to +125°C, configurable OVP/UVP thresholds via PMBus, 600–1000kHz switching frequency range, active current balancing in parallel mode, and integrated thermal protection with 150°C fault threshold.
Technical Context
The MPM3695GBH-100-0001 implements a proprietary multi-phase constant-on-time (MCOT) control architecture across four internal interleaved buck phases, enabling ultra-fast transient response and stable regulation with zero-ESR ceramic output capacitors. Its master-slave phase coordination supports auto-interleaving and synchronized start-up/shutdown.
PMBus 1.3 compliance enables full telemetry readback (VIN, VOUT, IOUT, temperature, faults) and real-time configuration of output voltage, soft-start time, OCP/OVP/UVP/OTP limits, PWM mode, and switching frequency. All protections-including over-current, over-voltage, under-voltage, and over-temperature-are digitally configurable and latchable.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.2V–16V (with external 3.3V VCC bias) or 4V–16V (with internal VCC bias); defines minimum startup voltage and maximum safe operating input. |
| Output Voltage Range | 0.5V–3.3V; supports low-voltage core rails for FPGAs, ASICs, and CPUs with ±1% reference accuracy over full temperature range. |
| Max Continuous Output Current | 100A @ ≤1.8V or 60A @ 3.3V; determined by thermal derating and package power dissipation limit (24.95W at TA=25°C). |
| Switching Frequency | 600–1000kHz per phase; selectable via PMBus; higher frequencies reduce output capacitor size but increase switching loss. |
| Thermal Protection Threshold | 150°C rising edge (TSD_RISE), 125°C falling edge (TSD_FALL); ensures safe shutdown before junction exceeds 170°C absolute max. |
| PMBus Compliance | PMBus 1.3; enables standard command set for configuration, monitoring, and fault logging in automated power management systems. |
| Efficiency Peak | ≥95% at 12VIN/1.2VOUT/600kHz/50A; achieved via integrated MOSFETs, optimized gate drive, and interleaved phase cancellation of ripple current. |
Pinout & Package
MPM3695GBH-100-0001 is housed in a thermally enhanced BGA package measuring 15mm × 30mm × 5.18mm (132-ball layout), with exposed thermal pad on underside for PCB-level heat sinking. Pin assignment follows JEDEC-standard BGA grid (A1–AC11).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (A9–A11, B9–B11, F9–F11, G9–G11, H9–H11, J9–J11, K9–K11, N9–N11, P9–P11, R9–R11, W9–W11, Y9–Y11) | Primary input power supply | Multiple VIN pins distribute high-current input path (up to 100A total), reducing IR drop and improving thermal spreading. |
| VOUT (A1–A8, B1–B8, C1–C8, D1–D8, F1–F8, G1–G8, H1–H8, J1–J8, K1–K8, L1–L8, M1–M8, N1–N8, P1–P8, R1–R8, T1–T8, U1–U8, V1–V8, W1–W8, Y1–Y8, AA1–AA8, AB1–AB8, AC1–AC8) | Regulated output voltage node | 64 dedicated VOUT balls provide low-impedance, high-current output path; requires wide copper plane connection for minimal voltage drop. |
| GND (A5–A8, B5–B8, C5–C8, D4–D8, E1–E11, F1–F8, G4–G8, H4–H8, J4–J8, K4–K8, L1–L8, M1–M8, N4–N8, P4–P8, R4–R8, T4–T8, U4–U8, V4–V8, W4–W8, Y4–Y8, AA4–AA7, AB4–AB7, AC6–AC11) | Power ground return | 72 GND balls ensure low-inductance return path, critical for noise suppression and stability in high-dI/dt multi-phase operation. |
| VOSNS+, VOSNS− | Remote output voltage sense inputs | Enable Kelvin sensing at load; VOSNS+ connects to VOUT rail near load, VOSNS− connects to load ground-improves regulation accuracy to ±0.5% under load step. |
| SCL, SDA, ALT, ADDR | PMBus communication interface | Standard I²C-compatible bus (SCL/SDA), open-drain alert (ALT), and resistor-programmable address (ADDR) support daisy-chain or multi-module addressing. |
Key Features
| Feature | Design Value |
|---|---|
| Four-phase interleaved MCOT control | Reduces output ripple current by >75% vs. single-phase, enabling smaller output capacitance and faster transient recovery (<5µs typical). |
| Configurable PMBus telemetry | Real-time readback of VIN (±0.2% accuracy), VOUT (±0.5% at 0.6V), IOUT (via ISUM), die temperature, and fault status without external sensors. |
| Active current balancing in parallel mode | Auto-interleaving and ISUM< / ISUM> signaling enable <±3% current mismatch across up to eight modules delivering 800A total. |
| Programmable protection thresholds | OVP (111–134% VREF), UVP (65–88% VREF), OTP (125–150°C), UVLO (2.65–3.1V turn-on), all adjustable via PMBus registers. |
| Integrated thermal management | Dual-threshold thermal warning (130°C rise / 105°C fall) and fault (150°C rise / 125°C fall) with PG pin indication and automatic shutdown. |
Applications
| Telecom Baseband Processing | FPGA Core Power Supply |
|---|---|
|
Use Scenario: High-throughput 5G baseband units requiring dynamic voltage scaling and rapid load transients up to 80A within 10µs. IC Role / Device Role / Timing Role: Primary point-of-load regulator delivering 0.85V–1.2V at up to 100A with PMBus-configurable soft-start and margining. Use Value: MCOT control achieves <5µs response to 50A load steps; remote sensing maintains ±0.5% regulation at load; thermal derating supports 70°C ambient operation. |
Use Scenario: Multi-million-LUT FPGA powering core logic, memory interfaces, and transceivers with tight voltage tolerance (±3%) and sequencing requirements. IC Role / Device Role / Timing Role: Scalable core rail generator supporting single-module (100A) or dual-module (200A) configurations with synchronized start-up and fault reporting. Use Value: Configurable UVLO and PG delay ensure clean power sequencing; PMBus telemetry enables runtime margin testing and health monitoring. |
| AI Accelerator Board Power | High-Density Server VR13-Compatible Rail |
|
Use Scenario: PCIe-based AI inference cards with heterogeneous compute tiles demanding 0.75V–0.9V at 60–100A with strict thermal envelope. IC Role / Device Role / Timing Role: High-efficiency, low-profile DC/DC module mounted directly beneath GPU/FPGA die; uses VOSNS+/VOSNS− for precision load-point regulation. Use Value: 95% peak efficiency at 12VIN/0.85VOUT minimizes board-level heat; BGA package (5.18mm height) fits under low-profile heatsinks. |
Use Scenario: Dual-socket server motherboards requiring VR13-compliant 12V-to-1V conversion with digital control, telemetry, and scalability beyond 200A. IC Role / Device Role / Timing Role: PMBus-configurable VR module supporting VR13.0 command set, including write-protect, margining, and extended status reporting. Use Value: Supports VR13.0-defined OVP/UVP thresholds, programmable switching frequency (600–1000kHz), and real-time current/voltage/temperature telemetry for BMC integration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current, PMBus-enabled DC/DC power module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TI TPS53689RTAR | 60A max per module, 3–16V input, PMBus 1.2, 6-phase controller (external FETs required); no integrated power stage. | Requires discrete MOSFETs, gate drivers, and loop compensation; higher BOM count and layout complexity than MPM3695GBH-100-0001's fully integrated module. | Select when design requires custom FET selection, higher phase count flexibility, or TI ecosystem tooling (Fusion Digital Power Designer). |
| Infineon IR3823WMMTR1 | 30A max per module, 4.5–26V input, SMBus 2.0 (not PMBus 1.3), integrated 3-phase controller + FETs; no remote sensing or programmable OVP/UVP. | Limited to ≤30A and lacks full PMBus telemetry; supports only basic voltage/current readback and fixed protection thresholds. | Select for cost-sensitive, lower-current applications where PMBus advanced features and 100A scalability are not required. |
Compared with TPS53689RTAR and IR3823WMMTR1, MPM3695GBH-100-0001 delivers double the per-module current (100A vs. 60A/30A), full PMBus 1.3 compliance with configurable protections, integrated remote sensing, and seamless 8-module parallel scalability-reducing system-level design effort and component count.
Availability
MPM3695GBH-100-0001 is available at Aetrix Electronics and suitable for telecom baseband processing, FPGA core power supply, AI accelerator board power, and high-density server VR13-compatible rail applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MPM3695GBH-100-0001 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 a focus on efficiency, integration, and digital control.
The MPM3695 product line targets high-current, digitally controlled point-of-load applications in datacenter, networking, and AI hardware-designed to replace multi-chip solutions with single-module scalability, PMBus telemetry, and thermal robustness.
FAQ
What input voltage ranges does MPM3695GBH-100-0001 support, and how does VCC bias affect operation?
The device supports 4V–16V with internal VCC bias or 3.2V–16V with external 3.3V VCC bias. Internal bias eliminates need for external LDO but restricts minimum input to 4V; external bias enables lower VIN startup (3.2V) but disables MTP programming. Both modes maintain full PMBus functionality and protection features.
How does the MPM3695GBH-100-0001 achieve current balancing when operated in parallel?
It uses active current balancing via ISUM< and ISUM> pins, which carry reference current signals between master and slave modules. Combined with auto-interleaving and synchronized PWM timing, this achieves <±3% current mismatch across up to eight modules-even with PCB layout asymmetries or thermal gradients.
Can the output voltage be dynamically adjusted during operation, and what is the resolution?
Yes-output voltage is dynamically adjustable via PMBus WRITE_VOUT_COMMAND (register 21h). Resolution is 2mV per LSB across 450–672mV range (0.45V–0.672V nominal), enabling precise margining and adaptive voltage scaling for FPGA/AI workloads.
What thermal performance can be expected with no airflow and standard 6-layer PCB?
At 12VIN/1VOUT/100A, thermal derating limits max output current to ~70A at 75°C ambient and ~50A at 100°C ambient on a 25cm×15cm, 6-layer evaluation board. The 5.18mm-height BGA package relies on bottom-side thermal pad soldering and internal copper layers for heat extraction.
Is remote voltage sensing mandatory, and how does it impact regulation accuracy?
Remote sensing is optional but recommended for loads >20A. When enabled (VOSNS+ to load VOUT, VOSNS− to load GND), it improves DC load regulation to ±0.5% across 0–100A; without it, regulation degrades to ±1% due to PCB trace IR drop.
Does the module support power sequencing with other rails, and how is it implemented?
Yes-via CTRL pin (enable/disable), PG pin (power-good status), and programmable soft-start time (2ms–128ms via register 61h). PG provides 2ms delay from VOUT reaching 94% of target, enabling reliable inter-rail sequencing in multi-supply systems without external timers.
What is the maximum number of modules that can be paralleled, and what interface signals must be shared?
Up to eight modules can be paralleled for 800A total. Required shared signals include CTRL (enable), RUN (slave trigger), PASS/TAKE (phase synchronization), ISUM< / ISUM> (current balance), VOSNS+/VOSNS− (shared sense), and ADDR (common PMBus address). SCL/SDA remain independent per module unless daisy-chained.
MPM3695GBH-100-0001 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- MPM
- Package/Case:
- 253-BBGA Module
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Non-Isolated PoL Module
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3.2V
- Voltage - Input (Max):
- 16V
- Voltage - Output 1:
- 0.5 ~ 3.3V
- Voltage - Output 2:
- -
- Voltage - Output 3:
- -
- Voltage - Output 4:
- -
- Current - Output (Max):
- 100A
- Power (Watts):
- -
- Voltage - Isolation:
- -
- Applications:
- ITE (Commercial)
- Features:
- Adjustable Output, PMBus™, Remote On/Off, Remote Sense
- Operating Temperature:
- -40°C ~ 125°C (With Derating)
- Efficiency:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 253-BGA (15x30)
- Control Features:
- -
- Approval Agency:
- -
- Standard Number:
- -
MPM3695GBH-100-0001 FAQ
1.How can I place an order for MPM3695GBH-100-0001 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPM3695GBH-100-0001 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 MPM3695GBH-100-0001 reliable?
The price and inventory of MPM3695GBH-100-0001 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPM3695GBH-100-0001 is usually 5 days.
3.What payment methods are accepted for MPM3695GBH-100-0001?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPM3695GBH-100-0001 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPM3695GBH-100-0001?
MPM3695GBH-100-0001 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPM3695GBH-100-0001 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 MPM3695GBH-100-0001?
For technical support, including MPM3695GBH-100-0001 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPM3695GBH-100-0001 requirements.
6.How does Aetrix verify that MPM3695GBH-100-0001 is sourced from the original manufacturer or authorized distributors?
All MPM3695GBH-100-0001 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 MPM3695GBH-100-0001 meets industry standards.
7.What is the process for return or replacement of MPM3695GBH-100-0001?
All MPM3695GBH-100-0001 units undergo pre-shipment inspection (PSI). If there is an issue with MPM3695GBH-100-0001, 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 MPM3695GBH-100-0001 part is unused and in its original packaging.
Return procedure for MPM3695GBH-100-0001:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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