Monolithic Power Systems Inc. MPQ4242GVE-0015-AEC1-P

Overview

MPQ4242GVE-0015-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 thermal management and dual-port power sharing.

For engineers reviewing the MPQ4242GVE-0015-AEC1-P datasheet, MPQ4242GVE-0015-AEC1-P pinout, MPQ4242GVE-0015-AEC1-P application, or MPQ4242GVE-0015-AEC1-P equivalent, this page provides verified technical context, validated pin functions, confirmed automotive-grade operating conditions (−40°C to +150°C), real-world efficiency curves, and OEM-ready supply chain support - all specific to the -0015 OTP configuration.

Technical Context

The MPQ4242GVE-0015-AEC1-P implements a synchronous 4-switch buck-boost topology with internal power switches (R_DS(ON): 15–41.5 mΩ), enabling seamless transition between buck, boost, and buck-boost modes across its full 4.8V–36V input range. Its embedded USB PD 3.0 controller supports seven programmable PDOs, PPS, and hardware-based protocol negotiation without host MCU intervention.

It integrates dual CC line detection, DP/DM analog front-end for BC1.2/QC/FCP identification, I²C slave interface (400 kHz), configurable 250/420 kHz switching frequency with spread spectrum, and dedicated fault protection including CC OCP, VBUS OVP (24–26 V absolute), thermal shutdown (175°C), and GND-short-to-VBATT detection. The -0015 variant is factory-programmed for a specific OTP register configuration supporting defined power profiles and safety thresholds.

Key Specifications

Pinout & Package

MPQ4242GVE-0015-AEC1-P is housed in a thermally enhanced QFN-22 (4mm × 5mm) package with exposed thermal pad and wettable flanks for automotive-grade reflow and AOI compatibility.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPQ4242GVE-0015-AEC1-P, the -0000 variant offers field-programmable flexibility at the cost of added qualification effort, while the -0001 variant trades configurability for guaranteed consistency and lower test overhead in mass production.

Availability

MPQ4242GVE-0015-AEC1-P is available at Aetrix Electronics and suitable for automotive front console USB-C ports, infotainment power hubs, and ADAS camera module power supplies requiring stable component supply, AEC-Q100 traceability, and long-term lifecycle assurance.

Supply support for MPQ4242GVE-0015-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 over 20 years of expertise in DC/DC conversion, motor drivers, and USB power delivery solutions.

The MPQ4242 product line is designed specifically for AEC-Q100-compliant automotive USB-C power delivery applications, integrating buck-boost regulation, PD protocol handling, and fault protection into a single package to simplify Tier-1 ECU design and reduce time-to-market.

FAQ

What is the OTP configuration difference between MPQ4242GVE-0015-AEC1-P and MPQ4242GVE-0000-AEC1?

The -0015 variant is factory-programmed with a unique OTP register map defining its PDO list, power sharing thresholds, thermal derating behavior, and I²C default settings. Unlike the -0000 part, it does not support further OTP writes but retains full I²C runtime configuration. This ensures consistent behavior across production lots while allowing dynamic tuning during system operation.

Does MPQ4242GVE-0015-AEC1-P support USB PD 3.1 Extended Power Range (EPR)?

No. MPQ4242GVE-0015-AEC1-P supports USB PD 3.0 with Programmable Power Supply (PPS) and seven standard PDOs up to 22.5V. It does not implement EPR's 28V/48V profiles or new communication layers. Its maximum VOUT is 22.5V, and its VBUS OVP is fixed at 24–26V, making it incompatible with EPR voltage levels.

Can MPQ4242GVE-0015-AEC1-P operate without an external current-sense resistor?

No. The device requires a 10 mΩ external shunt resistor between PGND and USB-GND, connected to ISENS+ and ISENS− pins, to enable output current limiting, IMON monitoring, and CC current regulation. Omitting it disables overcurrent protection and causes undefined behavior during PDO negotiation and load transients.

How is thermal performance validated for automotive under-hood use?

MPQ4242GVE-0015-AEC1-P is characterized per AEC-Q100 Grade 1 requirements, with thermal shutdown set at 175°C and 20°C hysteresis. Efficiency curves show ≤30°C case temperature rise at 3A/12V out on a 4.3cm×5cm 4-layer PCB. Its QFN-22 package with wettable flanks ensures reliable thermal transfer to the board's inner copper layers in high-vibration environments.

Is the I²C interface electrically isolated from the power domain?

No. The SDA/SCL pins share the same AGND/PGND reference as the power circuitry and are not galvanically isolated. For systems requiring isolation, an external digital isolator (e.g., Si86xx) must be placed between the MCU and MPQ4242GVE-0015-AEC1-P's I²C bus. The device itself provides no internal isolation barrier.

What protections are active during USB-C disconnect events?

Upon sink removal, MPQ4242GVE-0015-AEC1-P automatically discharges VBUS via its internal 320 Ω discharge path (t_{VBUS_DISC_QC} ≈ 500 ms), disables VCONN, and enters low-I_Q standby (200 µA). CC line biasing is removed, and the ATTACH pin pulses low for 12 µs to signal detachment - all without MCU intervention.

Does MPQ4242GVE-0015-AEC1-P support USB-C audio adapter accessory mode?

No. The device implements only USB PD sourcing and legacy charging protocols (BC1.2, QC, FCP). It lacks the analog audio switch matrix, DAC, and USB audio class firmware required for audio adapter accessory mode. Its DP/DM pins are used exclusively for charger identification and PD BMC signaling.