Monolithic Power Systems Inc. MPQ5031GRE-0001-AEC1-P

Overview

MPQ5031GRE-0001-AEC1-P from Monolithic Power Systems is a single-port USB Type-C PD 3.0 controller for DFP (source-only) applications, supporting up to 100W PPS, backward-compatible BC1.2/Quick Charge 3.0/Huawei FCP charging, and AEC-Q100 Grade 1 qualification for automotive use. It integrates BMC physical layer, protocol engine, and policy engine in a QFN-20 package with wettable flanks, targeting USB PD charging ports and hubs in vehicle infotainment and ADAS power systems.

For engineers reviewing the MPQ5031GRE-0001-AEC1-P datasheet, MPQ5031GRE-0001-AEC1-P pinout, MPQ5031GRE-0001-AEC1-P application, or MPQ5031GRE-0001-AEC1-P equivalent, this page delivers verified technical context on USB PD3.0 negotiation, CC line management, VBUS isolation control, thermal monitoring via NTC pins, and I2C-configurable PDO selection - all critical for automotive-grade USB-C source design.

Technical Context

The MPQ5031GRE-0001-AEC1-P implements a full USB PD3.0 stack including BMC physical layer, protocol layer, and policy engine - enabling autonomous negotiation of fixed and programmable power supply (PPS) contracts up to 20V/5A. Its dual CC1/CC2 interface supports plug orientation detection, VCONN sourcing (≤100mW), and robust short-to-battery protection on high-voltage I/O pins.

It embeds legacy charging auto-detection for BC1.2 CDP handshaking, Apple 3A divider mode, 1.2V/1.2V mode, QC3.0, and Huawei FCP - all without external firmware intervention. Power sharing logic dynamically adjusts PDO capability based on VBATT voltage, while integrated 1.8V VDD LDO and low 100µA standby IQ support always-on automotive subsystems.

Key Specifications

Pinout & Package

MPQ5031GRE-0001-AEC1-P is housed in a thermally enhanced QFN-20 (4mm × 4mm) package with exposed thermal pad and wettable flanks for reliable solder-joint inspection in automotive manufacturing.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar USB PD source controller applications.

Compared with STUSB4500QTR and TUSB8041A, MPQ5031GRE-0001-AEC1-P uniquely combines AEC-Q100 Grade 1 qualification, integrated VCONN switching, dual NTC inputs, and certified 100W PPS - making it the only drop-in solution for high-reliability, thermally managed automotive USB-C source designs.

Availability

MPQ5031GRE-0001-AEC1-P is available at Aetrix Electronics and suitable for automotive infotainment systems, ADAS camera hubs, and telematics control units requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MPQ5031GRE-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, with core expertise in DC/DC converters, motor drivers, and USB power delivery solutions.

The MPQ5031 belongs to MPS's automotive-qualified USB PD controller product line, engineered specifically for robust, low-EMI, thermally aware DFP implementations in vehicles - emphasizing fail-safe VBUS control, battery-aware power budgeting, and seamless legacy charging interoperability.

FAQ

What USB PD profiles does MPQ5031GRE-0001-AEC1-P support out of the box?

The MPQ5031GRE-0001-AEC1-P supports five fixed PDOs (5V/3A, 9V/3A, 15V/3A, 20V/3A, 20V/5A) and one PPS APDO (3.3–21V/0–5A) by default. All PDOs are configurable via I2C or factory-programmed OTP, and PPS operation is USB-IF certified at 100W with MPQ4214 (TID: 2316).

How does the MPQ5031 handle low-battery conditions in automotive applications?

When VBATT falls below 1.12V (rising threshold), the MPQ5031 automatically reduces PDO capability - e.g., disabling 20V/5A and retaining only 5V/3A - to prevent system brownout. This behavior is triggered via GPIO4 configured as VBATT monitor and requires no host intervention.

Can MPQ5031GRE-0001-AEC1-P operate without an external microcontroller?

Yes - it functions autonomously for basic DFP operation: CC detection, VBUS enable/disable, legacy charging detection (BC1.2/QC3.0/FCP), and thermal shutdown. An external MCU is only required for advanced features like dynamic PDO reconfiguration, multi-port coordination, or custom fault logging via I2C.

What is the purpose of the VDRV pin, and what MOSFET parameters are recommended?

VDRV is a dedicated gate driver for an external N-channel MOSFET used to isolate VBUS. It delivers 4.85V drive voltage with 5kΩ pull-down resistance. MPS recommends logic-level MOSFETs with V_GS(th) ≤ 1.8V, Q_g < 15nC, and R_DS(on) < 10mΩ (e.g., SQJQ902EP) for reliable turn-on at cold temperatures.

Does MPQ5031GRE-0001-AEC1-P support USB-C audio adapter accessory mode?

No - it is a DFP-only controller with no UFP (sink) capability or audio accessory mode support. Its DP/DM pins are used exclusively for legacy charging handshaking (BC1.2, QC3.0, FCP) and do not implement USB 2.0 data path or audio accessory detection logic.

How is thermal protection implemented using the NTC pins?

The MPQ5031 uses two NTC pins (NTC and NTC2) to monitor external thermistors. When voltage at NTC drops below 7.5% of VCC (indicating ~100°C), it triggers load shedding - disabling VBUS and asserting GPIO7 DISCHG. Recovery occurs above 16.7% VCC (~80°C), with 20°C hysteresis to prevent oscillation.

Is the QFN-20 package RoHS and halogen-free compliant?

Yes - MPQ5031GRE-0001-AEC1-P is lead-free, halogen-free, and fully compliant with EU RoHS Directive 2011/65/EU. MPS confirms green status on its official Quality Assurance portal, and the wettable flanks meet IPC-J-STD-020D moisture sensitivity level 1 (MSL-1) requirements.