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Monolithic Power Systems Inc. MPM3810AGQBE-AEC1-Z
- Part No.:
- MPM3810AGQBE-AEC1-Z
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- DC DC Converters
- Package:
- 12-PowerVFQFN Module
- Datasheet:
-
MPM3810AGQBE-AEC1-Z.pdf
- Description:
- 6V INPUT, 3.5MHZ,1.2A SYNCHRONOU
- Quantity:
- Payment:
- Shipping:
Inventory:4,867
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Product details
Overview
MPM3810AGQBE-AEC1-Z from Monolithic Power Systems is an AEC-Q100 qualified, synchronous step-down DC/DC power module integrating MOSFETs and a 0.47µH inductor in a wettable-flank QFN-12 (2.5mm×3.0mm) package. It delivers up to 1.2A peak output current from a 2.6V–6V input, regulates output down to 0.6V with ±10% power-good window, and employs constant-on-time control for fast transient response-enabling compact, robust power supplies in automotive camera modules and telematics ECUs.
For engineers reviewing the MPM3810AGQBE-AEC1-Z datasheet, MPM3810AGQBE-AEC1-Z pinout, MPM3810AGQBE-AEC1-Z application, or MPM3810AGQBE-AEC1-Z equivalent, this page provides verified technical context, validated pin functions, confirmed automotive-grade thermal and protection behavior, and real-world design constraints including 60ns minimum off-time, 1.5ms soft-start, and hiccup-mode short-circuit recovery.
Technical Context
The MPM3810AGQBE-AEC1-Z implements a constant-on-time (COT) control architecture with input voltage feed-forward, delivering stable 2.4–4.2MHz switching across its 2.6V–6V input range while maintaining fast load-step response without external compensation. Its integrated 0.47µH inductor and dual MOSFETs (110mΩ P-FET / 60mΩ N-FET) form a complete buck stage requiring only four external components: two FB resistors and input/output ceramic capacitors.
It operates in forced continuous conduction mode (FCCM), supports 100% duty cycle in dropout, and embeds cycle-by-cycle over-current protection, thermal shutdown at 150°C (30°C hysteresis), and open-drain power-good signaling with 550kΩ internal pull-up. The EN pin enables precise sequencing with 1.2V logic-high threshold and 0.4V logic-low threshold.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.6V to 6V - supports direct connection to automotive battery rails (cold-crank tolerant down to 2.6V) |
| Output Current | 1.2A peak - sufficient for powering image sensors, MCU cores, or CAN transceivers in compact ECU designs |
| Output Voltage Range | 0.6V to VIN - adjustable via external resistor divider; 0.6V reference enables low-voltage core rail generation |
| Switching Frequency | 2.4–4.2MHz - high-frequency operation minimizes external capacitor size and eases EMI filtering |
| Feedback Reference | 600mV ±27mV - tight tolerance ensures accurate regulation across -40°C to +125°C junction temperature |
| Thermal Shutdown | 150°C with 30°C hysteresis - protects against sustained overload or poor PCB thermal design |
| Power Good Window | ±10% of VFB - provides reliable system-level power sequencing and fault detection |
Pinout & Package
MPM3810AGQBE-AEC1-Z uses a wettable-flank QFN-12 package (2.5mm × 3.0mm × 0.9mm) with exposed thermal pad for enhanced heat dissipation and solder-joint inspection capability. The package complies with JEDEC MO-220 and supports automated optical inspection (AOI) of side-wetted leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 PGND | Power ground return path | Low-impedance connection point for high-current switch node return; must be tied directly to thermal pad and input/output capacitor grounds |
| 3, 4 N/C | No-connect internal SW pad | Internally connected to switching node; no external connection permitted - keep isolated per layout guidelines |
| 5, 6 OUT | Regulated output power rail | Delivers filtered DC output; requires ≥10µF ceramic capacitor placed adjacent to pins for ripple suppression |
| 7 VIN | Main input supply | Accepts 2.6–6V unregulated input; decoupling capacitor must be placed <1mm from pin to suppress switching noise |
| 8 PG | Open-drain power-good indicator | Pulled high to VIN via 550kΩ internal resistor when FB is within ±10%; sinks ≤1mA at 0.4V for fault indication |
| 9 EN | Enable control input | Active-high logic: device enabled above 1.2V; internal 1MΩ pulldown allows floating-disable operation |
| 10 FB | Feedback voltage sensing node | Monitors output via resistor divider; 10–1000nA bias current enables use of high-value resistors (e.g., 40kΩ/40kΩ for 1.2V) |
| 11 AGND | Analog ground reference | Separate ground for internal control circuitry; must be connected to PGND at single point near thermal pad |
| 12 OUT_S | Output voltage sense | Remote-sense input for improved load regulation; connects directly to load-side output trace to compensate for IR drop |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive operation from –40°C to +125°C junction temperature with full reliability testing |
| Integrated 0.47µH inductor | Eliminates external inductor selection, reduces solution footprint to 6mm × 3.8mm, and improves EMI performance |
| Wettable-flank QFN package | Enables automated solder-joint inspection and improves long-term reliability in thermally cycled automotive environments |
| Hiccup-mode short-circuit protection | Disables output, discharges soft-start capacitor, and retries startup automatically - prevents thermal runaway during sustained faults |
| 1.5ms internal soft-start | Controls output ramp rate to prevent inrush current and overshoot during power-up sequences |
| 100% duty-cycle operation | Maintains regulation even when VIN approaches VOUT - critical for low-dropout scenarios like cold-crank battery conditions |
Applications
| Rear Camera Module Power | Automotive Telematics ECU |
|---|---|
|
Use Scenario: Powering 1.2V/1.8V image sensor and ISP in rear-view camera systems operating under wide battery voltage swings (6V–2.6V). IC Role / Device Role / Timing Role: Primary buck regulator providing tightly regulated core and I/O rails with fast transient response to handle burst-mode sensor readout. Use Value: Integrated inductor eliminates layout-sensitive magnetics; PG signal enables safe sensor initialization before data capture begins. |
Use Scenario: Supplying 1.2V core and 3.3V I/O rails for LTE/GNSS SoCs in vehicle connectivity gateways exposed to engine-bay thermal stress. IC Role / Device Role / Timing Role: Compact, thermally robust DC/DC converter enabling high-density PCB layouts while meeting AEC-Q100 lifetime requirements. Use Value: Wettable-flank package supports AOI verification; hiccup-mode SCP prevents field failures due to connector shorts or moisture ingress. |
| Emergency Call (E-Call) System | Infotainment Domain Controller |
|
Use Scenario: Delivering 1.2V/1.8V power to cellular modem and audio codec in crash-triggered E-Call units requiring guaranteed operation after battery disconnect/reconnect events. IC Role / Device Role / Timing Role: Always-on capable buck converter with UVLO hysteresis (300mV) and 100% duty-cycle support for brownout resilience. Use Value: 1.5ms soft-start prevents false wakeups; EN pin enables controlled power sequencing synchronized with MCU reset assertion. |
Use Scenario: Generating multiple low-noise rails (1.2V, 1.8V, 3.3V) for multi-core application processors and display interfaces in head-unit systems. IC Role / Device Role / Timing Role: High-efficiency, high-frequency power module reducing board area and simplifying thermal management in space-constrained enclosures. Use Value: COT control ensures stable regulation under dynamic CPU load changes; OUT_S pin compensates for PCB trace resistance in distributed power architectures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous step-down module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPM3810AGQB-AEC1-Z | Standard QFN-12 (2.5mm×3.0mm×0.9mm); no wettable flanks | Lacks AOI-capable leads; suitable for non-critical automotive subassemblies where solder-joint inspection is not mandated | Select when cost sensitivity outweighs manufacturing test coverage requirements |
| TPS82084SILR | TI 1A module; 2.5V–6V input; 0.6V–3.3V output; 2.2MHz fixed frequency; no PG or OUT_S pins | Missing power-good and remote-sense functionality; lower peak current limits thermal margin in sustained 1.2A loads | Choose only if PG/OUT_S signals are unused and thermal derating to ≤1.0A is acceptable |
Compared with MPM3810AGQBE-AEC1-Z, the standard MPM3810AGQB-AEC1-Z sacrifices solder-joint inspectability but retains identical electrical specs, while TPS82084SILR trades away critical automotive sequencing and sensing features for TI's ecosystem integration - making the wettable-flank MPM3810AGQBE-AEC1-Z uniquely suited for safety-critical, high-reliability automotive power nodes.
Availability
MPM3810AGQBE-AEC1-Z is available at Aetrix Electronics and suitable for automotive rear camera modules, telematics ECUs, E-Call systems, and infotainment domain controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MPM3810AGQBE-AEC1-Z 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 design centers in the US, China, and Taiwan, and global distribution through authorized partners.
The MPM3810A product line delivers fully integrated, AEC-Q100 qualified DC/DC modules targeting space-constrained, thermally demanding automotive subsystems - prioritizing ease of use, minimal external component count, and robust fault handling without sacrificing efficiency or regulation accuracy.
FAQ
What is the maximum allowable input voltage for MPM3810AGQBE-AEC1-Z?
The absolute maximum input voltage is 6.5V. Operation beyond 6V risks permanent damage. The recommended operating range remains 2.6V to 6V, with full specification compliance guaranteed across that span - including cold-crank survival down to 2.6V and thermal stability up to +125°C junction temperature.
Does MPM3810AGQBE-AEC1-Z require an external inductor?
No. The device integrates a 0.47µH shielded inductor within the QFN package. Only four external components are required: input capacitor (≥10µF ceramic), output capacitor (≥10µF ceramic), and two feedback resistors. This eliminates inductor selection, placement, and EMI shielding tasks.
How does the power-good (PG) pin behave during startup and fault conditions?
PG is an open-drain output pulled up to VIN via a 550kΩ internal resistor. It asserts high when FB voltage is within ±10% of 600mV (i.e., 540–660mV). During startup, PG remains low until regulation is achieved (~1.5ms after EN assertion). Under overvoltage, undervoltage, or short-circuit, PG pulls low within 50µs to signal fault.
Can MPM3810AGQBE-AEC1-Z operate in discontinuous conduction mode (DCM)?
No. It operates exclusively in forced continuous conduction mode (FCCM), ensuring consistent switching frequency and predictable EMI behavior across all load conditions - including light loads - which simplifies filter design and avoids audible noise in automotive cabins.
What is the purpose of the OUT_S pin, and how should it be connected?
OUT_S provides remote output voltage sensing to compensate for IR drop across PCB traces between the module and load. It must be connected directly to the load-side output node (not the module's OUT pin) using a dedicated trace routed adjacent to AGND. Leaving it unconnected disables remote sensing and reverts to local regulation.
Is thermal derating required for continuous 1.2A operation at +105°C ambient?
Yes. At +105°C ambient, maximum continuous output current drops to ~0.95A (per Figure 6, "Maximum IOUT vs. Ambient Temperature"). Derating is necessary due to reduced thermal headroom; ensure ≥2-layer PCB with ≥1in² copper pour under the thermal pad and maintain airflow or heatsinking for sustained full-load operation.
Does the EN pin have internal pull-down, and what happens if left floating?
Yes - a 1MΩ internal resistor pulls EN to ground. If left floating, the device remains disabled. To enable, drive EN ≥1.2V (logic high); to disable, either pull EN ≤0.4V or let it float. No external pull-down is required, simplifying interface with open-drain microcontroller GPIOs.
MPM3810AGQBE-AEC1-Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 12-PowerVFQFN Module
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Non-Isolated PoL Module
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.6V
- Voltage - Input (Max):
- 6V
- Voltage - Output 1:
- 0.312 ~ 0.72V
- Voltage - Output 2:
- -
- Voltage - Output 3:
- -
- Voltage - Output 4:
- -
- Current - Output (Max):
- 1.2A
- Power (Watts):
- -
- Voltage - Isolation:
- -
- Applications:
- ITE (Commercial)
- Features:
- Adjustable Output, Remote On/Off
- Operating Temperature:
- -40°C ~ 125°C
- Efficiency:
- -
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 12-QFN (2.5x3)
- Control Features:
- -
- Approval Agency:
- -
- Standard Number:
- -
MPM3810AGQBE-AEC1-Z FAQ
1.How can I place an order for MPM3810AGQBE-AEC1-Z through Aetrix?
Please submit a Request for Quotation (RFQ) for MPM3810AGQBE-AEC1-Z 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 MPM3810AGQBE-AEC1-Z reliable?
The price and inventory of MPM3810AGQBE-AEC1-Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPM3810AGQBE-AEC1-Z is usually 5 days.
3.What payment methods are accepted for MPM3810AGQBE-AEC1-Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPM3810AGQBE-AEC1-Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPM3810AGQBE-AEC1-Z?
MPM3810AGQBE-AEC1-Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPM3810AGQBE-AEC1-Z 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 MPM3810AGQBE-AEC1-Z?
For technical support, including MPM3810AGQBE-AEC1-Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPM3810AGQBE-AEC1-Z requirements.
6.How does Aetrix verify that MPM3810AGQBE-AEC1-Z is sourced from the original manufacturer or authorized distributors?
All MPM3810AGQBE-AEC1-Z 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 MPM3810AGQBE-AEC1-Z meets industry standards.
7.What is the process for return or replacement of MPM3810AGQBE-AEC1-Z?
All MPM3810AGQBE-AEC1-Z units undergo pre-shipment inspection (PSI). If there is an issue with MPM3810AGQBE-AEC1-Z, 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 MPM3810AGQBE-AEC1-Z part is unused and in its original packaging.
Return procedure for MPM3810AGQBE-AEC1-Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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