Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

Monolithic Power Systems Inc. MPQ2454GH-P

Name: MPQ2454GH-P
Brand: Monolithic Power Systems Inc.
SKU: MPQ2454GH-P
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: MPQ2454GH-P

Manufacturer:: Monolithic Power Systems Inc.

Category:: Voltage Regulators - DC DC Switching Regulators

Package:: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad

Datasheet:: MPQ2454GH-P.pdf

Description:: IC REG BUCK ADJ 600MA 10MSOP

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:4,411

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

MPQ2454GH-P from Monolithic Power Systems is a frequency-programmable (350kHz–2.3MHz), AEC-Q100 Grade 1 qualified, non-synchronous step-down DC/DC converter with integrated 200mΩ high-side MOSFET, delivering up to 0.6A output current across a 3.3V–36V input range. It features current-mode control, programmable power-good delay, and low-dropout operation for automotive cold-crank support.

For engineers reviewing the MPQ2454GH-P datasheet, MPQ2454GH-P pinout, MPQ2454GH-P application, or MPQ2454GH-P equivalent, key selection considerations include its 3.5μA shutdown current, 60μA operating quiescent current, internal compensation, ceramic-capacitor compatibility, and MSOP-10 EP package with exposed thermal pad.

Technical Context

The MPQ2454GH-P implements peak-current-mode PWM control with blanking and slope compensation for stable regulation under transient load steps. Its oscillator supports external resistor programming (RFREQ) or synchronization to an external clock (350kHz–2.3MHz), with frequency foldback during start-up and short-circuit conditions to limit inductor current.

It integrates a 3.5V internal regulator powering control circuitry across full VIN range, a floating bootstrap driver with 5V BST regulation, and a dedicated low-current refresh switch enabling 100% duty-cycle operation when BST–SW > 2.5V-critical for automotive cold-crank (VIN as low as 3.3V at full load).

Key Specifications

Parameter	Value and Actual Design Meaning
Input Voltage Range	3.3V to 36V - supports wide automotive battery rails including cold-crank (down to ~3.3V) and load-dump transients.
Output Current	Up to 0.6A - sufficient for powering microcontrollers, sensors, and CAN transceivers in automotive ECUs.
Switching Frequency	350kHz to 2.3MHz - programmable via FREQ pin resistor; enables compact magnetics and EMI optimization.
Quiescent Current	60μA - enables always-on subsystems in battery-powered automotive modules without excessive drain.
Shutdown Current	3.5μA - ensures minimal battery leakage during vehicle sleep mode.
Feedback Reference	0.8V ±2% - precise voltage regulation with external resistor divider; enables accurate 3.3V, 5V, or custom outputs.
Power Good Accuracy	±10% window with 4.5% hysteresis - provides reliable system reset and sequencing signaling.

Pinout & Package

MPQ2454GH-P is housed in an MSOP-10 EP (exposed pad) package. The exposed thermal pad must be soldered to a PCB ground plane for optimal thermal performance and reliability in automotive environments.

Pin/Terminal	Circuit Role	Design Meaning
1 SW	Switch Node	Drives external inductor; requires low-VF Schottky diode to GND for flyback path and spike suppression.
2 VIN	Main Input Supply	Powers internal regulators and high-side MOSFET; requires local low-ESR decoupling capacitor.
3 GND	Ground Reference	Common return for power and signal paths; connect output capacitor directly to minimize high-current loop area.
4 SS	Soft-Start Control	Sources 1.8µA to external capacitor; sets controlled output ramp time and prevents inrush current.
5 FB	Feedback Input	Compares divided output voltage against 0.8V reference; determines regulated output level.
6 POKDL	Power-Good Delay	Sinks 1.8µA to external capacitor; programs delay before POK asserts high after output stabilization.
7 POK	Open-Drain Power Good	Asserts high-Z when VOUT is within ±10%; pulled low during fault or shutdown; requires external pull-up.
8 FREQ	Frequency Programming	Connects to GND via resistor (e.g., 49.9kΩ for 1MHz); sets oscillator frequency and enables sync mode.
9 EN/SYNC	Enable & Clock Input	Digital enable (1.8V logic high) or external clock input (350kHz–2.3MHz) for synchronization.
10 BST	Bootstrap Supply	Charges external BST capacitor (BST–SW); enables high-side gate drive; requires 0.1µF ceramic cap to SW.

Key Features

Feature	Design Value
Internal High-Side MOSFET	200mΩ R_DS(on) - reduces conduction loss and eliminates external high-side switch in space-constrained designs.
Low Quiescent Current	60μA operating / 3.5μA shutdown - extends battery life in always-on automotive modules (e.g., body control units).
Cold-Crank Support	100% duty cycle capability down to VIN ≈ 3.3V - maintains regulation during engine cranking where battery drops below 6V.
Programmable Power Good	Adjustable delay via POKDL capacitor - enables precise power sequencing with downstream processors or PMICs.
Stable with Ceramic Capacitors	No external compensation required - simplifies design, reduces BOM count, and improves reliability vs. electrolytic alternatives.

Applications

Automotive Body Control Module

Industrial Sensor Node

Use Scenario: Powering MCU, LIN transceiver, and door-lock actuators in a 12V vehicle electrical system with cold-crank events.

IC Role / Device Role / Timing Role: Primary 3.3V/5V step-down regulator providing stable, sequenced supply with POK signaling for MCU reset coordination.

Use Value: 3.5μA shutdown current prevents battery drain during vehicle off-state; 100% duty cycle sustains output during cranking (VIN < 6V).

Use Scenario: Local power conversion for a remote, battery-operated vibration sensor node in factory automation.

IC Role / Device Role / Timing Role: Efficient 3.3V buck converter supplying ultra-low-power MCU and MEMS accelerometer with programmable wake-up timing.

Use Value: 60μA quiescent current enables multi-year battery life; frequency programmability allows EMI tuning in dense industrial RF environments.

Automotive ADAS Camera ECU

Medical Portable Diagnostic Device

Use Scenario: Generating clean 1.8V and 3.3V rails for image sensor and ISP in a rear-view camera module exposed to automotive temperature extremes.

IC Role / Device Role / Timing Role: AEC-Q100 Grade 1 qualified primary regulator with thermal shutdown and precise POK for safe boot sequence.

Use Value: Internal compensation eliminates external components; -40°C to +125°C junction rating ensures operation in under-hood environments.

Use Scenario: Powering low-noise analog front-end and ARM Cortex-M4 in a handheld ultrasound probe powered by Li-ion battery.

IC Role / Device Role / Timing Role: High-efficiency, low-ripple buck converter supporting dynamic load changes during imaging bursts.

Use Value: Current-mode control delivers fast transient response (<10µs recovery); ceramic-capacitor stability avoids aging-related drift in medical-grade systems.

Equivalent & Alternatives

The following parts are listed as comparable options for similar step-down converter applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MPQ2451GJ-AEC1	0.5A output, fixed 2.2MHz switching frequency, no FREQ or POKDL pins	Lacks programmable frequency and power-good delay; simpler layout but less flexible sequencing	Select when fixed-frequency EMI control suffices and POK delay is unnecessary.
TI LM61460QPWRQR	0.6A, 3.3V–36V, integrated low-side FET, 40μA IQ, requires external compensation	Synchronous architecture improves light-load efficiency; adds complexity with external compensation network	Select when highest light-load efficiency is critical and board space allows extra components.

Compared with MPQ2454GH-P, MPQ2451GJ-AEC1 trades flexibility for simplicity and lower cost, while LM61460QPWRQR offers synchronous efficiency gains at the expense of design complexity and lack of AEC-Q100 Grade 1 qualification.

Availability

MPQ2454GH-P is available at Aetrix Electronics and suitable for automotive body control modules, industrial sensor nodes, ADAS camera ECUs, and portable medical diagnostics requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.

Supply support for MPQ2454GH-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 core expertise in DC/DC conversion, motor drivers, and LED lighting controllers.

The MPQ2454 product line targets automotive and industrial applications requiring robust, AEC-Q100-qualified buck converters with wide input range, low IQ, and cold-crank resilience-designed specifically for under-hood and battery-sensitive systems.

FAQ

What is the maximum recommended input voltage for MPQ2454GH-P?

The absolute maximum VIN rating is 40V, but continuous operation above 36V violates the specified operating range and risks permanent damage. The device is characterized and guaranteed for reliable operation from 3.3V to 36V, with thermal derating required above 24V at full load due to power dissipation limits in the MSOP-10 EP package.

Does MPQ2454GH-P require external compensation components?

No. MPQ2454GH-P features fully internal compensation, eliminating the need for external RC networks on the COMP or FB pins. This simplifies layout, reduces BOM count, and improves production yield-confirmed in the datasheet's "Internal Compensation" feature and functional block diagram.

How is the power-good delay time set on MPQ2454GH-P?

The POK delay is programmed by connecting a capacitor from POKDL pin to GND. The delay time (t_DL) follows t_DL = C_POKDL × 1.2V / 1.8µA. For example, a 100nF capacitor yields ~67ms delay. This allows precise coordination with downstream processor reset timing without additional logic.

Can MPQ2454GH-P operate with 100% duty cycle during cold-crank?

Yes. When BST–SW voltage exceeds 2.5V, the device enters low-dropout mode enabling 100% duty cycle. Combined with active BST capacitor refresh via internal low-current switch, it sustains regulation down to VIN ≈ 3.3V at full 0.6A load-verified in Figure 4 (Minimum Input Voltage vs. Load Current) of the datasheet.

What package thermal enhancements are required for automotive use?

The MSOP-10 EP package requires the exposed thermal pad to be soldered to a minimum 100mm² copper pour connected to PCB ground. Thermal resistance θ_JA is 55°C/W on a 4-layer JEDEC board; insufficient copper area or missing thermal vias will cause premature thermal shutdown above 85°C ambient at full load.

Is MPQ2454GH-P pin-compatible with other MPQ245x variants?

Yes. MPQ2454GH-P shares identical pinout and footprint with MPQ2454GH, MPQ2454GH-AEC1, and MPQ2454GQ variants. However, AEC-Q100 qualification applies only to -AEC1 suffix parts; the -P suffix denotes tape-and-reel packaging with enhanced traceability for automotive production.

MPQ2454GH-P Specifications

Product attributes: Attribute value

Manufacturer:: Monolithic Power Systems Inc.

Series:: MPQ

Package/Case:: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Function:: Step-Down

Output Configuration:: Positive

Topology:: Buck

Output Type:: Adjustable

Number of Outputs:: 1

Voltage - Input (Min):: 3.3V

Voltage - Input (Max):: 36V

Voltage - Output (Min/Fixed):: 0.8V

Voltage - Output (Max):: 36V

Current - Output:: 600mA

Frequency - Switching:: 350kHz ~ 2.3MHz

Synchronous Rectifier:: No

Operating Temperature:: -40°C ~ 125°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 10-MSOP-EP

MPQ2454GH-P FAQ

1.How can I place an order for MPQ2454GH-P through Aetrix?

Please submit a Request for Quotation (RFQ) for MPQ2454GH-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 MPQ2454GH-P reliable?

The price and inventory of MPQ2454GH-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPQ2454GH-P is usually 5 days.

3.What payment methods are accepted for MPQ2454GH-P?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPQ2454GH-P transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MPQ2454GH-P?

MPQ2454GH-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MPQ2454GH-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 MPQ2454GH-P?

For technical support, including MPQ2454GH-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPQ2454GH-P requirements.

6.How does Aetrix verify that MPQ2454GH-P is sourced from the original manufacturer or authorized distributors?

All MPQ2454GH-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 MPQ2454GH-P meets industry standards.

7.What is the process for return or replacement of MPQ2454GH-P?

All MPQ2454GH-P units undergo pre-shipment inspection (PSI). If there is an issue with MPQ2454GH-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 MPQ2454GH-P part is unused and in its original packaging.

Return procedure for MPQ2454GH-P:

1.Submit a request within 90 days.

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

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…