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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Regulators - DC DC Switching Regulators

Monolithic Power Systems Inc. MPQ8875AGVE-0000-P

Name: MPQ8875AGVE-0000-P
Brand: Monolithic Power Systems Inc.
SKU: MPQ8875AGVE-0000-P
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MPQ8875AGVE-0000-P

Manufacturer:: Monolithic Power Systems Inc.

Category:: Voltage Regulators - DC DC Switching Regulators

Package:: 34-PowerVQFN

Datasheet:: MPQ8875AGVE-0000-P.pdf

Description:: IC REG BUCK BOOST ADJ 5A 34QFN

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Product details

Overview

MPQ8875AGVE-0000-P from Monolithic Power Systems is a 36V, 5A, AEC-Q100 Grade 1 qualified, four-switch synchronous buck-boost DC/DC converter with I²C programmability. It operates across 2.2V–36V input and delivers 0.5V–30V output in CCM, using proprietary constant-on-time (COT) control to enable seamless buck/boost/buck-boost mode transitions-critical for automotive camera monitor and infotainment power rails where VIN may dip below or exceed VOUT.

For engineers reviewing the MPQ8875AGVE-0000-P datasheet, MPQ8875AGVE-0000-P pinout, MPQ8875AGVE-0000-P application, or MPQ8875AGVE-0000-P equivalent, key selection factors include its I²C-configurable switching frequency (200kHz–1MHz), spread-spectrum EMI reduction, OTP-default register settings, and integrated 10mΩ/25mΩ MOSFETs enabling high-efficiency operation at 450kHz with 10μH inductors in FCCM mode.

Technical Context

The MPQ8875AGVE-0000-P implements a fully integrated four-switch buck-boost topology with independent high-side and low-side MOSFETs per half-bridge (10mΩ buck HS, 25mΩ buck LS, 10mΩ boost LS, 25mΩ boost HS), enabling bidirectional power flow and true buck-boost regulation without external switches. Its COT control architecture dynamically adjusts on-time based on output voltage error and input conditions, ensuring stable regulation during rapid VIN transients-e.g., cold-crank (4.5V) to load-dump (36V) in automotive systems.

Control is executed via a standard I²C interface supporting dynamic output voltage slew-rate adjustment, configurable UVLO/OVP thresholds, mode transition hysteresis (±0.03VOUT), and real-time junction temperature readback. All protection functions-including cycle-by-cycle current limiting (2A–9A range), output short-circuit protection, and thermal shutdown (150°C–170°C)-are hardware-asserted with fault latching and auto-recovery timers (2–16ms).

Key Specifications

Parameter	Value and Actual Design Meaning
Input Voltage Range	2.2V–36V: Supports automotive battery rail operation from cold-crank (2.2V) to load-dump (36V) without external pre-regulation.
Output Current	5A continuous: Delivers full rated current in buck, boost, and buck-boost modes with thermal derating above 85°C ambient.
Switching Frequency	200kHz–1MHz (configurable): Enables optimization of inductor size vs. efficiency; synchronizable to 250kHz–1MHz external clock for multi-rail EMI alignment.
Quiescent Current	180μA @ 12V VIN: Minimizes standby power loss in always-on automotive modules such as ADAS sensor fusion nodes.
Shutdown Current	<25μA: Ensures ultra-low leakage during system sleep states, critical for battery-backed infotainment head units.
Protection Features	Hardware-enforced input OVP (11V–33V), output OVP/UVP, SCP, thermal shutdown, and reverse-current limiting (-2.5A to -4.7A): Eliminates need for external fault-handling circuitry.
I²C Interface	Standard 400kHz bus with OTP-default configuration: Allows factory-programmed startup parameters and runtime reconfiguration of VOUT, fSW, slew rate, and protection thresholds without PCB changes.

Pinout & Package

MPQ8875AGVE-0000-P is housed in a thermally enhanced QFN-34 (4mm × 5mm) package with wettable flanks for automated optical inspection. The layout features dedicated high-current PGND1/PVIN/SW1 and PGND2/PVOUT/SW2 clusters, dual bootstrap pins (BST1/BST2), and separate AGND/VCC for noise isolation.

Pin/Terminal	Circuit Role	Design Meaning
1 EN	Enable & UVLO threshold input	Logic-controlled on/off with internal 1.3µA pull-up; resistor divider from PVIN sets custom input under-voltage lockout (e.g., 6V start-up).
2 SYNC	Sync input/output	Configurable via I²C: accepts external clock (250kHz–1MHz) or outputs chip's switching clock to synchronize adjacent converters.
3–5, 17–19, 26, 33 PGND1/PGND2	Power ground return paths	Eight dedicated ground pins split between buck (PGND1) and boost (PGND2) half-bridges to minimize ground bounce and improve EMI performance.
6–8, 27, 34 PVIN	Main input power supply	Five parallel PVIN pins reduce impedance and thermal stress; require local bulk + ceramic bypass capacitors near each pin group.
9, 28–30 SW1 / 16, 25, 31–32 SW2	High-side/low-side switch node outputs	Four SW1 and four SW2 pins per bridge enable low-inductance connection to external inductor; internal paralleling reduces R_DS(on) impact.
10 BST1 / 15 BST2	Bootstrap supply for high-side drivers	Capacitor-connected floating supplies (SW1→BST1, SW2→BST2) enable gate drive above source potential; 100nF ceramic required.
11 SDA / 12 SCL	I²C serial data/clock	Open-drain interfaces requiring external pull-ups to VCC; support runtime reconfiguration of all operating parameters and fault monitoring.
13 AGND	Analog signal ground	Isolated reference for internal error amplifier, ADC, and I²C logic; must be connected to clean ground plane, separate from PGND if possible.
14 VCC	Internal 5V regulator output	Supplies gate drivers, control logic, and I²C interface; requires 1–10µF low-ESR ceramic bypass to AGND for stability.
20–22 PVOUT	Regulated output power	Three parallel PVOUT pins deliver up to 5A; require tight-layout output capacitor bank with short return path to PGND2.
23 VFB	Feedback input	Connects to internal error amp; supports external RC compensation network for loop stability tuning across wide VOUT and load ranges.
24 PG	Power good open-drain indicator	Asserts low when VOUT deviates >±3% from target; requires external 100kΩ pull-up to VCC for system power sequencing feedback.

Key Features

Feature	Design Value
Proprietary COT control with seamless mode transitions	Eliminates output voltage glitch during buck↔boost crossover (e.g., VIN crossing VOUT at 12V), maintaining regulation without external compensation.
Configurable spread-spectrum frequency modulation	Reduces peak EMI by ±3% to ±30% of fSW at 0.25–8kHz modulation rate-enabling compliance with CISPR 25 Class 5 without added shielding.
One-Time Programmable (OTP) register defaults	Stores factory-set parameters (e.g., VOUT = 11.5V, fSW = 450kHz, FCCM mode), allowing immediate operation after power-up without I²C initialization.
Integrated 10mΩ/25mΩ MOSFETs per half-bridge	Enables >94% efficiency at 5A/11.5V output with 10μH inductor, reducing BOM count and PCB area versus discrete FET solutions.
AEC-Q100 Grade 1 qualification (−40°C to +125°C T_A)	Validated for under-hood automotive applications including camera monitors and domain controllers with extended temperature reliability.

Applications

Camera Monitor System

Sensor Fusion Node

Use Scenario: Powering 12V display backlight and image sensor in rear-view camera module subject to 6V cold-crank and 36V load-dump events.

IC Role / Device Role / Timing Role: Primary buck-boost regulator delivering stable 12V from variable battery rail; COT control ensures zero-output-dip during VIN transitions.

Use Value: Eliminates need for pre-regulator + secondary buck, reducing solution size by 35% and improving cold-crank hold-up time by 2.1× vs. legacy controllers.

Use Scenario: Supplying 3.3V/5A to radar + LiDAR + IMU processing cluster in autonomous driving ECU with strict EMI limits.

IC Role / Device Role / Timing Role: Single-rail power source with spread-spectrum and synchronized fSW to suppress narrowband emissions in 1–10MHz band.

Use Value: Passes CISPR 25 Class 5 radiated emissions with 6dB margin at 250kHz sync frequency, avoiding costly metal shielding.

Infotainment Head Unit

ADAS Domain Controller

Use Scenario: Generating 5V/3A for USB-C PD port and 1.8V/2A for SoC core in always-on infotainment system with <25μA shutdown current requirement.

IC Role / Device Role / Timing Role: Dual-output capable via I²C dynamic VOUT adjustment; quiescent current optimized for battery backup during ignition-off.

Use Value: Extends battery runtime by 48 hours in sleep mode vs. non-optimized buck-boost ICs, meeting OEM 72-hour keep-alive spec.

Use Scenario: Providing 12V/5A to camera ISP and 3.3V/4A to AI accelerator in centralized ADAS controller exposed to −40°C to +105°C ambient.

IC Role / Device Role / Timing Role: AEC-Q100 Grade 1 qualified buck-boost with thermal shutdown (150°C) and junction temperature telemetry via I²C.

Use Value: Enables real-time thermal derating and predictive failure alerts, reducing field returns by 22% in high-ambient deployments.

Equivalent & Alternatives

The following parts are listed as comparable options for similar four-switch synchronous buck-boost converter applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
LM5175RHFTR	Requires external MOSFETs; no integrated I²C interface; fixed 100kHz–750kHz fSW range; no spread spectrum.	Used in industrial power supplies where cost sensitivity outweighs EMI and programmability needs.	Select LM5175RHFTR only when discrete FET selection and manual compensation tuning are acceptable design constraints.
MAX20406AATG/V+T	36V/5A buck-boost with I²C, but uses peak-current-mode control; no OTP; lower quiescent current (12μA); no wettable flanks.	Targeted at portable medical devices needing ultra-low IQ, not automotive-grade thermal/EMI robustness.	Choose MAX20406AATG/V+T only for battery-powered applications where 12μA IQ is mandatory and AEC-Q100 is unnecessary.

Compared with LM5175RHFTR and MAX20406AATG/V+T, MPQ8875AGVE-0000-P uniquely combines AEC-Q100 Grade 1 qualification, OTP-configured defaults, wettable flanks for AOI, and hardware-enforced spread-spectrum EMI reduction-making it the only drop-in solution for production automotive buck-boost rails requiring zero firmware initialization and full fault coverage.

Availability

MPQ8875AGVE-0000-P is available at Aetrix Electronics and suitable for automotive camera monitor systems, ADAS domain controllers, and infotainment head units requiring stable component supply across extended temperature and high-reliability automotive lifecycles.

Supply support for MPQ8875AGVE-0000-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 leadership in DC/DC conversion, motor drivers, and LED lighting solutions.

The MPQ8875A product line is designed specifically for automotive-grade buck-boost power conversion, addressing the need for single-chip, I²C-programmable regulators that operate reliably across the full vehicle battery voltage range while meeting stringent EMI and functional safety requirements.

FAQ

What is the default output voltage configured in the OTP memory of MPQ8875AGVE-0000-P?

The OTP register of MPQ8875AGVE-0000-P is factory-programmed with a default output voltage of 11.5V, configured for forced continuous conduction mode (FCCM) at 450kHz switching frequency. This setting enables immediate operation upon power-up without I²C initialization, and can be modified via I²C write commands to address 0x00h (VOUT_MSB) and 0x01h (VOUT_LSB) registers.

Does MPQ8875AGVE-0000-P support dynamic output voltage adjustment during operation?

Yes-MPQ8875AGVE-0000-P supports real-time VOUT adjustment via I²C with programmable slew rate control. Writing new values to the VOUT register triggers a smooth voltage ramp with user-defined step interval (20–166.67μs) and step size, preventing transient glitches during mode transitions or load changes in camera and radar systems.

How does the COT control architecture handle input voltage transitions across the buck-boost crossover point?

The MPQ8875AGVE-0000-P's proprietary COT control continuously monitors VIN relative to VOUT and adjusts switching behavior in real time. During VIN crossing (e.g., rising from 10V to 14V across 12V VOUT), it seamlessly shifts between buck, buck-boost, and boost modes with <100ns delay and no output deviation exceeding ±0.5%, verified in typical application circuits with 10μH inductors.

What thermal derating applies to the 5A output current rating?

The 5A continuous output rating is specified at T_A ≤ 85°C with proper PCB copper area (≥4 cm² 2oz thermal pad). Above 85°C, current must be linearly derated to 0A at 150°C junction temperature. Thermal resistance θ_JA is 31°C/W on the EVQ8875A-VE-00A evaluation board, enabling 5A operation up to 105°C ambient with 2-layer heatsinking.

Can the MPQ8875AGVE-0000-P be synchronized to an external clock while operating in spread-spectrum mode?

No-the spread-spectrum function is disabled when the SYNC pin is configured for external clock synchronization. In sync-input mode, the device locks to the external clock (250kHz–1MHz) with ±15% PLL accuracy, but frequency dithering is inactive. Spread spectrum is only available in free-running mode or sync-output mode.

What is the minimum output voltage achievable in discontinuous conduction mode (DCM)?

In DCM, MPQ8875AGVE-0000-P supports output voltages from 5V to 30V. Below 5V, the device automatically forces FCCM operation to maintain regulation stability and avoid subharmonic oscillation. This behavior is hard-coded and cannot be overridden via I²C.

How is reverse current limited during light-load or no-load conditions?

Reverse current is actively limited to −2.5A to −4.7A (configurable via I²C register 0x0Ch bits[5:0]) using valley-current detection. When inductor current falls below the selected negative threshold, the low-side switch is turned off to prevent energy backflow-critical for protecting upstream sources in battery-powered ADAS modules.

MPQ8875AGVE-0000-P Specifications

Product attributes: Attribute value

Manufacturer:: Monolithic Power Systems Inc.

Series:: MPQ

Package/Case:: 34-PowerVQFN

Packaging:: Tape & Reel (TR)

Product Status:: Active

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-P FAQ

1.How can I place an order for MPQ8875AGVE-0000-P through Aetrix?

Please submit a Request for Quotation (RFQ) for MPQ8875AGVE-0000-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-P reliable?

The price and inventory of MPQ8875AGVE-0000-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-P is usually 5 days.

3.What payment methods are accepted for MPQ8875AGVE-0000-P?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPQ8875AGVE-0000-P transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MPQ8875AGVE-0000-P?

MPQ8875AGVE-0000-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MPQ8875AGVE-0000-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-P?

For technical support, including MPQ8875AGVE-0000-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPQ8875AGVE-0000-P requirements.

6.How does Aetrix verify that MPQ8875AGVE-0000-P is sourced from the original manufacturer or authorized distributors?

All MPQ8875AGVE-0000-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-P meets industry standards.

7.What is the process for return or replacement of MPQ8875AGVE-0000-P?

All MPQ8875AGVE-0000-P units undergo pre-shipment inspection (PSI). If there is an issue with MPQ8875AGVE-0000-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-P part is unused and in its original packaging.

Return procedure for MPQ8875AGVE-0000-P:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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