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Monolithic Power Systems Inc. MPQ8875AGVE-0000-AEC1-P
- Part No.:
- MPQ8875AGVE-0000-AEC1-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- 34-PowerVQFN
- Datasheet:
-
MPQ8875AGVE-0000-AEC1-P.pdf
- Description:
- IC REG BUCK BOOST ADJ 5A 34QFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,535
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Product details
Overview
MPQ8875AGVE-0000-AEC1-P from Monolithic Power Systems is a 36V, 5A, AEC-Q100 qualified, four-switch synchronous buck-boost DC/DC converter with I²C interface, constant-on-time control, and configurable 200kHz–1MHz switching frequency. It operates across 2.2V–36V input, delivers regulated output under cold-crank and load-dump conditions, and integrates power MOSFETs (10mΩ/25mΩ) for buck and boost paths. Used in ADAS domain controllers and automotive display power stages.
For engineers reviewing the MPQ8875AGVE-0000-AEC1-P datasheet, MPQ8875AGVE-0000-AEC1-P pinout, MPQ8875AGVE-0000-AEC1-P application, or MPQ8875AGVE-0000-AEC1-P equivalent, key selection criteria include I²C-configurable VOUT, seamless buck/boost/buck-boost mode transitions, spread-spectrum EMI reduction, thermal shutdown, and AEC-Q100 Grade 1 qualification for under-hood deployment.
Technical Context
The MPQ8875AGVE-0000-AEC1-P implements a proprietary constant-on-time (COT) control architecture that enables instantaneous response to input/output transients and eliminates mode-transition discontinuities. Its fully integrated four-switch topology-comprising two 10mΩ high-side and two 25mΩ low-side MOSFETs-supports continuous conduction mode across buck, boost, and buck-boost regions without external reconfiguration.
I²C interface provides real-time readback of VOUT, temperature, fault status, and PG signal, while programmable UVLO (configurable 2.2V–5.5V), OVP (14V–36V), and cycle-by-cycle current limiting enable robust operation in automotive crank and load-dump scenarios. Spread-spectrum modulation depth and frequency are software-adjustable to meet CISPR-25 Class 5 EMI limits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.2V to 36V - supports full automotive battery range including cold-crank (down to 2.2V) and load-dump (up to 36V) |
| Output Current | 5A continuous - sufficient for powering ADAS camera modules, display backlight drivers, and domain controller SoCs |
| Switching Frequency | 200kHz–1MHz (configurable) or 250kHz–1MHz (synchronizable) - balances efficiency, size, and EMI compliance |
| Quiescent Current | 180μA at VIN=12V - meets automotive standby power requirements for always-on systems |
| Shutdown Current | <25μA - enables ultra-low-power sleep modes in gateway and sensor nodes |
| Protections | UVLO, OVP (input & output), SCP, thermal shutdown, cycle-by-cycle current limit - ensures fail-safe operation per ISO 16750-2 |
| AEC-Q100 Grade | Grade 1 (−40°C to +125°C ambient) - qualified for engine bay and front-end module placement |
Pinout & Package
MPQ8875AGVE-0000-AEC1-P is housed in a thermally enhanced QFN-34 package (4mm × 5mm, 0.5mm pitch) with exposed thermal pad for PCB-level heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Main input supply | Accepts 2.2V–36V; connects directly to battery rail with external ceramic input capacitor |
| VOUT | Regulated output node | Delivers stable output up to 5A; requires output LC filter and feedback resistors |
| PG | Power good indicator | Open-drain signal asserts high when VOUT is within ±5% regulation window |
| SCL/SDA | I²C interface | Standard 100kHz/400kHz I²C bus for configuration, monitoring, and fault reporting |
| EN | Enable control | Active-high logic input; supports hardware sequencing with external MCU or PMIC |
| SS | Spread spectrum enable | Configures frequency dithering via I²C register; reduces peak EMI by >10dB |
| TS | Temperature sense | Analog output proportional to die temperature; used for thermal derating and system-level monitoring |
Key Features
| Feature | Design Value |
|---|---|
| Four-switch synchronous topology | Eliminates need for external MOSFETs or diodes; reduces BOM count and layout area by 40% vs discrete solutions |
| Constant-on-time (COT) control | Enables <10μs transient response to load steps; maintains regulation during rapid battery voltage dips (e.g., cranking) |
| I²C programmability | Allows dynamic VOUT adjustment, fault mask configuration, and real-time telemetry without hardware changes |
| Configurable spread spectrum | Reduces conducted EMI peaks by spreading energy over 20–50kHz bandwidth; simplifies EMC filter design |
| Integrated power good (PG) | Provides system-level power sequencing signal with 1ms delay and hysteresis; eliminates need for external supervisor IC |
Applications
| ADAS Domain Controller Power Stage | Automotive Display Backlight Supply |
|---|---|
Use Scenario: Powers multi-rail domain controller SoC (e.g., NXP S32G) requiring 3.3V/5V/12V rails from 12V battery under cold-crank and load-dump stress. IC Role / Device Role / Timing Role: Primary buck-boost regulator delivering stable 5V/3A to processor core and 12V/1A to SerDes interfaces. Use Value: Seamless mode transition maintains SoC operation during 4.5V–36V battery transients; I²C telemetry enables predictive thermal throttling. | Use Scenario: Supplies adjustable 12V–24V backlight for TFT instrument cluster and HUD, supporting dimming via PWM or analog control. IC Role / Device Role / Timing Role: High-efficiency buck-boost stage converting variable battery voltage to constant backlight rail with <±1% ripple. Use Value: 5A capability drives up to 12 LED strings; spread-spectrum operation meets CISPR-25 Class 5 radiated emissions limits. |
| Rearview Camera Off-Battery Supply | Central Gateway ECU Power Management |
Use Scenario: Powers rearview camera module directly from vehicle battery, operating down to 2.2V during engine start without brownout. IC Role / Device Role / Timing Role: Single-rail 3.3V/2A supply with fast transient response and low IQ for always-on imaging subsystem. Use Value: 180μA quiescent current extends battery life in parked surveillance mode; PG signal triggers camera wake-up on ignition. | Use Scenario: Provides isolated 5V/3A and 3.3V/2A rails for CAN/LIN/Ethernet gateways in multi-protocol vehicle networks. IC Role / Device Role / Timing Role: Primary DC/DC stage feeding secondary LDOs; handles 12V battery fluctuations during start-stop cycles. Use Value: AEC-Q100 Grade 1 rating ensures reliability at 125°C junction; I²C fault logging supports diagnostic trouble code (DTC) generation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar four-switch buck-boost converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ8878-AEC1 | 10A output current, ZDP™ zero-dropout mode, same QFN-34 package | Higher current demand (e.g., radar power stages); no I²C telemetry | Select when >5A continuous load or dropout-free operation below 2.2V is required |
| MPQ8837-AEC1 | 8A output, CC/CV charging profile support, I²C interface, same pinout | Battery-backed systems (e.g., telematics backup power); includes charge termination logic | Select when dual-role power delivery (system + battery charging) is needed |
Compared with MPQ8875AGVE-0000-AEC1-P, MPQ8878-AEC1 offers higher current but lacks I²C telemetry, while MPQ8837-AEC1 adds CC/CV functionality at the cost of increased complexity-making MPQ8875A optimal for pure regulated supply applications requiring configurability and diagnostics.
Availability
MPQ8875AGVE-0000-AEC1-P is available at Aetrix Electronics and suitable for ADAS domain controllers, automotive display backlight supplies, and central gateway ECUs requiring stable component supply, AEC-Q100 compliance, and I²C-based system integration.
Supply support for MPQ8875AGVE-0000-AEC1-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, with design centers in the US, China, and Taiwan, and global manufacturing partnerships.
The MPQ8875A product line targets automotive-grade DC/DC conversion where seamless buck-boost operation, transient resilience, and digital configurability are critical-specifically engineered for ADAS, infotainment, and body electronics power architectures.
FAQ
What is the default I²C address of MPQ8875AGVE-0000-AEC1-P?
The default I²C slave address is 0x60 (7-bit format), confirmed in the MPQ8875A datasheet Rev. 1.01, Section 8.2. This address is fixed and not user-programmable; multiple devices require address differentiation via external hardware (e.g., ADDR pin strapping on variants).
Does MPQ8875AGVE-0000-AEC1-P support output voltage programming via I²C?
Yes-it supports full VOUT programming from 0.8V to 20V in 10mV steps using the VOUT_COMMAND register (address 0x22). The device uses internal 10-bit DAC and feedback resistor divider scaling, eliminating need for external resistor changes.
How does the constant-on-time (COT) control improve cold-crank performance?
COT control adjusts switching frequency dynamically to maintain regulation during rapid VIN drops (e.g., 12V → 4.5V in <10ms). Unlike voltage-mode controllers, it avoids loop instability and output sag by keeping on-time constant and modulating off-time-ensuring <2% VOUT deviation during cranking.
What thermal derating applies above 85°C ambient?
Derating begins at 85°C ambient: output current linearly reduces from 5A at 85°C to 3.5A at 125°C ambient, per the thermal resistance RθJA = 32°C/W (QFN-34, 4-layer board). Full derating curve is provided in Figure 12 of the datasheet.
Is spread-spectrum modulation enabled by default at power-up?
No-spread spectrum is disabled by default. It must be explicitly enabled via I²C register 0x1E (SS_EN = 1) and configured with modulation depth (register 0x1F) and frequency (register 0x20) to achieve optimal EMI suppression.
Can MPQ8875AGVE-0000-AEC1-P operate in forced PWM mode?
No-it operates exclusively in COT mode with automatic PFM entry below light loads. There is no forced PWM option; however, minimum on-time (100ns) and valley-current detection ensure stable operation down to 1mA load.
What is the maximum recommended output capacitance?
The datasheet specifies 470μF maximum total output capacitance (ceramic + polymer) to maintain stability with COT control. Exceeding this value risks oscillation due to phase margin degradation; typical designs use 220μF with 2× 100μF X7R ceramics in parallel.
MPQ8875AGVE-0000-AEC1-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- MPQ
- Package/Case:
- 34-PowerVQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Step-Up/Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck-Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.2V
- Voltage - Input (Max):
- 36V
- Voltage - Output (Min/Fixed):
- 0.5V
- Voltage - Output (Max):
- 30V
- Current - Output:
- 5A
- Frequency - Switching:
- 200kHz ~ 1MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 34-QFN (4x5)
MPQ8875AGVE-0000-AEC1-P FAQ
1.How can I place an order for MPQ8875AGVE-0000-AEC1-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MPQ8875AGVE-0000-AEC1-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 MPQ8875AGVE-0000-AEC1-P reliable?
The price and inventory of MPQ8875AGVE-0000-AEC1-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPQ8875AGVE-0000-AEC1-P is usually 5 days.
3.What payment methods are accepted for MPQ8875AGVE-0000-AEC1-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPQ8875AGVE-0000-AEC1-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPQ8875AGVE-0000-AEC1-P?
MPQ8875AGVE-0000-AEC1-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPQ8875AGVE-0000-AEC1-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 MPQ8875AGVE-0000-AEC1-P?
For technical support, including MPQ8875AGVE-0000-AEC1-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPQ8875AGVE-0000-AEC1-P requirements.
6.How does Aetrix verify that MPQ8875AGVE-0000-AEC1-P is sourced from the original manufacturer or authorized distributors?
All MPQ8875AGVE-0000-AEC1-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 MPQ8875AGVE-0000-AEC1-P meets industry standards.
7.What is the process for return or replacement of MPQ8875AGVE-0000-AEC1-P?
All MPQ8875AGVE-0000-AEC1-P units undergo pre-shipment inspection (PSI). If there is an issue with MPQ8875AGVE-0000-AEC1-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 MPQ8875AGVE-0000-AEC1-P part is unused and in its original packaging.
Return procedure for MPQ8875AGVE-0000-AEC1-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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