Monolithic Power Systems Inc. MP5030GQH-P

Overview

MP5030GQH-P from Monolithic Power Systems is a USB charging port controller integrating a 3A current-limit switch and auto-detection circuitry for BC1.2, QC 3.0, and USB Type-C 5V/3A DFP modes. It features programmable 32mΩ R_DS(ON), ±8kV HBM ESD on DP/DM, and ADJ-based line drop compensation delivering 150–200mV correction at 2.4A - deployed in automotive cigarette lighter adapters and AC/DC wall adapters requiring robust, multi-protocol USB power delivery.

For engineers reviewing the MP5030GQH-P datasheet, MP5030GQH-P pinout, MP5030GQH-P application, or MP5030GQH-P equivalent, this device supports seamless voltage transitions between 5V/9V/12V under QC 3.0, enables Type-C VCONN sourcing up to 1W, and provides hiccup-mode OCP with 2ms on-time/2s off-time - critical for reliable high-current USB PD-adjacent designs without external microcontroller intervention.

Technical Context

The MP5030GQH-P implements dual-stage UVLO (3.0V and 3.9V thresholds), internal soft-start (3ms delay), and ADJ-controlled feedback sinking (500μA max) to regulate upstream DC/DC converters. Its auto-detection logic independently identifies BC1.2 DCP, 1.2V/1.2V, divider mode, and QC 3.0 handshake patterns via DP/DM voltage thresholds (e.g., 0.6V/3.3V for 9V, 3.3V/0.6V for 12V).

For Type-C operation, it uses CC1/CC2 with 10kΩ pull-up (Rp) to detect 5.1kΩ Rd terminations, enabling VBUS enablement and VCONN sourcing (up to 1W). Line drop compensation operates exclusively at 5V output and scales linearly with load current, while QC 3.0 mode disables compensation and relies on ADJ-sink current ramping to adjust upstream FB pins in 200mV steps.

Key Specifications

Pinout & Package

MP5030GQH-P is housed in a thermally enhanced QFN-10 package (1.5mm × 2mm, 0.5mm pitch) with exposed thermal pad for PCB heat sinking.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar USB charging port controller applications.

Compared with TPS65987D and IP2721, MP5030GQH-P delivers the narrowest, most integrated solution for QC 3.0 + BC1.2 + Type-C 5V/3A DFP applications - eliminating firmware, external switches, and secondary detection ICs while maintaining industrial-grade thermal and ESD margins.

Availability

MP5030GQH-P is available at Aetrix Electronics and suitable for automotive cigarette lighter adapters, AC/DC wall adapters with USB ports, and industrial USB charging hubs requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for MP5030GQH-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 analog and power ICs, with design centers in the US, China, and Taiwan, and global manufacturing partnerships.

The MP5030 belongs to MPS's USB Power Delivery and Charging Controller product line, engineered specifically for compact, high-reliability USB charging solutions in automotive, industrial, and consumer power adapters - emphasizing integration, protocol agility, and thermal resilience.

FAQ

What is the maximum continuous output current supported by MP5030GQH-P?

The MP5030GQH-P supports 3A of continuous output current with thermal shutdown protection at 150°C junction temperature. Its 32mΩ R_DS(ON) ensures ≤0.29W conduction loss at full load, and hiccup-mode overcurrent protection activates if VOUT drops below 3.5V for 2ms - making it suitable for sustained 5V/3A USB-A and Type-C DFP applications.

How does MP5030GQH-P handle USB Type-C connection detection without external components?

The MP5030GQH-P integrates 10kΩ pull-up resistors (Rp) on both CC1 and CC2 pins and monitors voltage levels to detect 5.1kΩ Rd terminations from attached sinks. It distinguishes Ra (cable) vs. Rd (sink) to assign VCONN, disables VOUT for audio accessory mode (dual Ra), and enables VBUS within milliseconds - requiring no external resistors or microcontroller polling.

Can MP5030GQH-P operate with an input voltage below 3.6V?

No - the MP5030GQH-P has a second-stage UVLO threshold of 3.9V (typical), and operation below 3.6V is outside its recommended range. The first UVLO stage activates at ~3.0V to begin ADJ regulation, but full functionality (including power MOSFET turn-on and protocol detection) requires VIN ≥ 3.6V per datasheet specifications.

What is the role of the ADJ pin beyond line drop compensation?

The ADJ pin serves dual functions: (1) For 5V operation, it sinks current to compensate for trace IR drop (150–200mV at 2.4A); (2) For QC 3.0, it sinks controlled current into the upstream DC/DC converter's FB node to ramp output voltage in precise 200mV steps (5V→9V→12V), enabling smooth, glitch-free transitions without external DAC or digital control.

Does MP5030GQH-P support USB PD (Power Delivery) communication?

No - MP5030GQH-P does not implement USB PD communication (BMC signaling on CC lines) or support voltages above 12V. It supports QC 3.0 (up to 12V), BC1.2, and USB Type-C 5V/3A DFP mode only. For full USB PD 3.0 (20V/5A, alt-modes), a dedicated PD controller like TPS65987D is required.

How is overvoltage protection triggered and recovered?

Input OVP triggers when VIN exceeds 115% of nominal (e.g., 11.5V at 10V input), shutting down the internal MOSFET and activating the input-to-ground discharge path. Recovery occurs automatically when VIN falls below 5.55V (typical), with 10μs deglitch filtering to prevent false triggering during transient spikes - no manual reset required.

What is the minimum recommended ILIM resistor value for 3A current limiting?

Using the formula I_LIMIT = 4.69 / R_ILIM(kΩ), a 1.4kΩ resistor sets a typical 3.35A limit - recommended to exceed max load by 10%. The absolute minimum resistor is ~1.3kΩ (3.6A limit), but values below 1.2kΩ risk exceeding the 3A continuous rating and thermal limits under sustained load.