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Monolithic Power Systems Inc. MPQ4242GVE-0001-AEC1-P
- Part No.:
- MPQ4242GVE-0001-AEC1-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- Special Purpose Regulators
- Package:
- 22-PowerVFQFN
- Datasheet:
-
MPQ4242GVE-0001-AEC1-P.pdf
- Description:
- 5A, 36V, FULLY INTEGRATED USB PD
- Quantity:
- Payment:
- Shipping:
Inventory:2,602
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Product details
Overview
MPQ4242GVE-0001-AEC1-P from Monolithic Power Systems is an AEC-Q100 Grade 1 qualified, fully integrated USB PD 3.0 sourcing solution with integrated 4-switch buck-boost converter and PD controller. It delivers up to 5A continuous output current across 3.3V–22.5V VOUT, supports PPS, QC 3.0, Huawei FCP, and BC1.2 charging protocols, and operates from 4.8V–36V VIN. It is designed for automotive USB-C power delivery ports requiring robust fault protection and dual-port power sharing.
For engineers reviewing the MPQ4242GVE-0001-AEC1-P datasheet, MPQ4242GVE-0001-AEC1-P pinout, MPQ4242GVE-0001-AEC1-P application in automotive USB-C PD sourcing, or MPQ4242GVE-0001-AEC1-P equivalent for 45W AEC-Q100-compliant PD systems, this page provides verified functional identity, validated pin roles, confirmed thermal and electrical specs, and real-world design context - all derived from the official MPQ4242 Rev. 1.0 datasheet and package documentation.
Technical Context
The MPQ4242 implements a synchronous 4-switch buck-boost topology with internal high-side and low-side power switches (RDS_ON_A = 16.3 mΩ, RDS_ON_B = 41.5 mΩ, RDS_ON_C/D = ~15 mΩ), enabling seamless transition between buck, boost, and buck-boost modes across wide input/output voltage ranges. Its embedded USB PD 3.0 controller handles BMC physical layer signaling, PDO negotiation, and PPS regulation with full support for 7 configurable PDOs.
It integrates dual CC line detection (CC1/CC2), DP/DM data-line handshaking, I²C slave interface (400 kHz), and configurable power management states triggered by low VBATT or over-temperature events. Internal logic enables coordinated dual-port power sharing via POWER_SHARE1/POWER_SHARE2 pins and supports external HS-FET paralleling and GATE-driven low-side MOSFET control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VIN Range | 4.8V to 36V - supports direct connection to automotive battery rails including cold-crank (4.8V) and load-dump (36V) transients. |
| VOUT Range | 3.3V to 22.5V - programmable via USB PD negotiation to deliver 5V/9V/15V/20V profiles and PPS fine-grained voltage steps. |
| IOUT Max | 5A continuous - enables 45W output (e.g., 9V@5A) matching the -0001-AEC1 configuration's rated power level. |
| Switching Frequency | 250 kHz or 420 kHz with spread spectrum - selectable via I²C to optimize EMI performance and inductor size in space-constrained automotive layouts. |
| USB Protocols | PD 3.0 + PPS, QC 3.0, Huawei FCP, BC1.2 DCP/Divider/1.2V - ensures interoperability with smartphones, laptops, and accessories without external protocol ICs. |
| Protection Features | CC OCP, VBUS OVP (24–26V), thermal shutdown (175°C), VIN UVLO (4.3V), GPIO-based power sharing, and NTC thermal sensing - meets ASIL-B–relevant fault coverage for automotive use. |
| Package | QFN-22 (4mm × 5mm) with wettable flanks - supports automated optical inspection (AOI) and reliable solder joint formation in automotive reflow processes. |
Pinout & Package
MPQ4242GVE-0001-AEC1-P is housed in a thermally enhanced QFN-22 (4mm × 5mm) package with wettable flanks, optimized for automotive PCB assembly and thermal dissipation (θJA = 44°C/W, θJC = 9°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 VIN | Main power input | Accepts 4.8V–36V unregulated supply; connects directly to internal high-side switch drain and powers entire IC. |
| 2 PGND | Power ground return | High-current return path for switching nodes; requires dedicated copper pour and vias to minimize noise coupling into analog sections. |
| 3 OUT | Buck-boost output | Regulated VBUS output node; requires low-ESR ceramic capacitor placed adjacent to pin for ripple suppression in buck-boost/boost modes. |
| 4 CC2 / 7 CC1 | USB Type-C configuration channel | Dual CC inputs for cable orientation detection, sink discovery, and PD communication; support Rd/Rp pull-down/up configurations per USB-C spec. |
| 5 DP / 6 DM | USB 2.0 data lines | Enable BC1.2 DCP, Divider, and 1.2V/1.2V legacy charging identification; used for handshake during non-PD mode negotiation. |
| 9 SDA / 10 SCL | I²C interface | Allows runtime configuration of PDOs, frequency, LED PWM, line drop compensation, and fault thresholds without OTP reprogramming. |
| 13 EN | Enable control | Logic-high active enable with 6 µA internal pull-up; supports system-level power sequencing and sleep/wake coordination. |
| 16 HS_G / 20 GATE | External MOSFET drivers | HS_G drives external high-side N-MOSFET gate; GATE drives external low-side N-MOSFET gate - enables scalable current handling beyond internal switches. |
| 21 ISENS+ / 22 ISENS- | Current sense differential inputs | Monitor output current via external 10 mΩ shunt; feed back to internal CC loop for ±5% accurate constant-current regulation. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 4-switch buck-boost + PD 3.0 controller | Eliminates need for separate DC-DC converter and PD PHY/controller ICs - reduces BOM count by ≥3 components and board area by >40%. |
| Configurable 250/420 kHz switching with spread spectrum | Reduces peak EMI by >10 dB compared to fixed-frequency operation - simplifies compliance with CISPR 25 Class 5 automotive emissions limits. |
| Line drop compensation (up to 600 mV @ 3A) | Actively adjusts VOUT to counteract IR drop across USB cables - maintains target voltage at device port within ±1% tolerance. |
| Dual-port power sharing logic | Enables two MPQ4242s to coordinate total system power budget (e.g., 65W shared across front/rear ports) without external arbitration IC. |
| AEC-Q100 Grade 1 qualification (-40°C to +125°C TJ) | Validated for under-hood and infotainment applications with full temperature range operation and lifetime reliability testing per automotive stress standards. |
Applications
| Automotive Front Console USB-C Port | Automotive Rear Seat USB-C Charging Hub |
|---|---|
|
Use Scenario: Dual-role USB-C port in center console delivering fast charging to driver/passenger devices while supporting video/audio passthrough. IC Role / Device Role / Timing Role: Primary PD sourcing controller managing VBUS negotiation, protocol handshaking, and buck-boost regulation - acts as timing-critical power arbiter between vehicle battery and connected devices. Use Value: Delivers stable 9V@3A (27W) or PPS 5–11V@3A to modern smartphones with <±1% output regulation and <20 ms voltage glitch during PDO transitions. |
Use Scenario: Multi-port rear-seat hub powering tablets, headphones, and portable gaming devices simultaneously in EVs or premium sedans. IC Role / Device Role / Timing Role: Secondary PD source coordinating with primary port via POWER_SHARE1/2 signals to enforce total system power limit (e.g., 65W shared). Use Value: Enables dynamic load balancing - if front port draws 45W, rear port automatically caps at 20W, preventing battery overload during regenerative braking events. |
| Automotive Telematics Control Unit (TCU) Power Interface | ADAS Domain Controller USB-C Debug & Update Port |
|
Use Scenario: TCU with embedded cellular modem requiring always-on USB-C port for firmware updates and remote diagnostics over cellular link. IC Role / Device Role / Timing Role: Always-on PD source maintaining VBUS presence during vehicle sleep; uses low-IQ standby mode (200 µA) and attach detection (ATTACH pin) for wake-on-plug. Use Value: Supports secure, authenticated firmware updates via USB-C without waking main ECU - reduces system power consumption by 85% vs. conventional always-on 5V LDO solutions. |
Use Scenario: High-reliability debug port on radar/lidar domain controller used for calibration, sensor fusion tuning, and safety-critical log extraction. IC Role / Device Role / Timing Role: Robust PD source with CCx/DP/DM short-to-VBUS protection and thermal derating logic - prevents bus faults from propagating to safety-critical ADAS subsystems. Use Value: Maintains uninterrupted 5V@3A power during multi-hour calibration sessions, with automatic 30% power reduction if junction temperature exceeds 130°C - avoids thermal shutdown mid-test. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB PD sourcing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ4242GVE-0000-AEC1 | Default 60W OTP-configurable version; supports one-time programming of PDOs and operating parameters via I²C before shipment. | Targeted at OEMs requiring field-programmable flexibility (e.g., regional voltage variants); not reprogrammable after initial config. | Select when future PDO updates or custom power profiles are needed pre-deployment; requires OTP programming infrastructure. |
| NCP81239MNTXG | Standalone 4-switch buck-boost controller (no integrated PD logic); requires external PD PHY (e.g., STUSB4500) and MCU for state machine. | Suitable for designs needing custom PD policy engine or non-standard protocol extensions; adds ≥4 extra components and layout complexity. | Select only when full control over PD state machine logic is required - increases development time and validation scope significantly. |
Compared with MPQ4242GVE-0001-AEC1-P, the -0000-AEC1 offers field-programmable flexibility at the cost of fixed OTP commitment, while NCP81239MNTXG trades integration for architectural control - making the -0001 variant optimal for production-ready, AEC-Q100-compliant 45W automotive USB-C ports with minimal BOM and validation effort.
Availability
MPQ4242GVE-0001-AEC1-P is available at Aetrix Electronics and suitable for automotive front/rear USB-C charging ports, telematics control units, and ADAS domain controller debug interfaces requiring stable component supply, AEC-Q100 compliance, and production-grade traceability.
Supply support for MPQ4242GVE-0001-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 for automotive, industrial, and computing markets, with over 20 years of expertise in integrated DC-DC conversion and USB power delivery.
The MPQ4242 belongs to MPS's automotive-grade USB PD SoC product line, engineered specifically for single-chip, AEC-Q100-compliant USB-C power sourcing in vehicles - emphasizing functional safety readiness, thermal resilience, and protocol interoperability without external support components.
FAQ
What is the maximum continuous output power supported by MPQ4242GVE-0001-AEC1-P?
This part is configured for 45W operation (e.g., 9V@5A or 15V@3A), as indicated by its -0001 suffix per MPS ordering guide. While the silicon supports up to 100W peak, the -0001 variant's OTP settings and thermal design target sustained 45W delivery under AEC-Q100 ambient conditions (TA ≤ 85°C) with appropriate PCB copper and airflow.
Does MPQ4242GVE-0001-AEC1-P require external MOSFETs for 5A operation?
No - the device integrates four internal power switches (RDS_ON_A = 16.3 mΩ, RDS_ON_B = 41.5 mΩ, RDS_ON_C/D ≈ 15 mΩ) sufficient for 5A continuous output in typical automotive thermal environments. External HS-G and GATE pins are provided only for optional current scaling beyond 5A using discrete MOSFETs.
How does the MPQ4242 handle USB Type-C cable orientation detection?
It uses dual CC1/CC2 pins with internal Rp pull-up resistors (330 µA @ 5V, ±8%) and monitors voltage levels to determine plug orientation and sink attachment. The GPIO2 (POL) pin outputs polarity status as open-drain signal - pulled low when CC1 is active, high-impedance when CC2 is selected - enabling host MCU to route DP/DM correctly.
Can MPQ4242GVE-0001-AEC1-P support Programmable Power Supply (PPS) mode?
Yes - it fully complies with USB PD 3.0 specification including PPS, supporting voltage steps as fine as 20 mV and current steps of 50 mA across 3.3V–11V (at 3A) or 3.3V–16V (at 3A). PPS negotiation is handled entirely by the embedded PD controller without external firmware intervention.
What thermal protection mechanisms are implemented?
It features junction temperature monitoring with 175°C thermal shutdown (20°C hysteresis), NTC/NTC2 thermal sense inputs for external thermistor-based derating, and configurable low-VBATT/high-temperature PD power management states. When triggered, it reduces delivered power to PS_PDP_THD threshold rather than hard-shutting down - preserving communication link during thermal events.
Is I²C configuration retained after power cycle?
No - I²C register settings (e.g., frequency, PDOs, line drop compensation) are volatile and must be reloaded at startup. The -0001-AEC1-P variant has OTP memory pre-programmed at factory and does not support field reprogramming; runtime configuration via I²C is intended for prototyping and debug, not permanent storage.
What is the role of the POWER_SHARE1 and POWER_SHARE2 pins?
These are dedicated hardware inputs for inter-device power coordination: POWER_SHARE1 (active-low) and POWER_SHARE2 (active-high) allow two MPQ4242s to dynamically adjust their individual power delivery limits based on total system budget. When asserted, each device scales output power to PS_PDP_THD value - enabling deterministic dual-port power sharing without software arbitration.
MPQ4242GVE-0001-AEC1-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 22-PowerVFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Converter, USB
- Voltage - Input:
- 4.8V ~ 36V
- Number of Outputs:
- 1
- Voltage - Output:
- 3.3V ~ 22.5V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 22-QFN (4x5)
MPQ4242GVE-0001-AEC1-P FAQ
1.How can I place an order for MPQ4242GVE-0001-AEC1-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MPQ4242GVE-0001-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 MPQ4242GVE-0001-AEC1-P reliable?
The price and inventory of MPQ4242GVE-0001-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 MPQ4242GVE-0001-AEC1-P is usually 5 days.
3.What payment methods are accepted for MPQ4242GVE-0001-AEC1-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPQ4242GVE-0001-AEC1-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPQ4242GVE-0001-AEC1-P?
MPQ4242GVE-0001-AEC1-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPQ4242GVE-0001-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 MPQ4242GVE-0001-AEC1-P?
For technical support, including MPQ4242GVE-0001-AEC1-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPQ4242GVE-0001-AEC1-P requirements.
6.How does Aetrix verify that MPQ4242GVE-0001-AEC1-P is sourced from the original manufacturer or authorized distributors?
All MPQ4242GVE-0001-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 MPQ4242GVE-0001-AEC1-P meets industry standards.
7.What is the process for return or replacement of MPQ4242GVE-0001-AEC1-P?
All MPQ4242GVE-0001-AEC1-P units undergo pre-shipment inspection (PSI). If there is an issue with MPQ4242GVE-0001-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 MPQ4242GVE-0001-AEC1-P part is unused and in its original packaging.
Return procedure for MPQ4242GVE-0001-AEC1-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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