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

Monolithic Power Systems Inc. MPQ2169GDE-AEC1-Z

Name: MPQ2169GDE-AEC1-Z
Brand: Monolithic Power Systems Inc.
SKU: MPQ2169GDE-AEC1-Z
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MPQ2169GDE-AEC1-Z

Manufacturer:: Monolithic Power Systems Inc.

Category:: Voltage Regulators - DC DC Switching Regulators

Package:: 18-PowerVFQFN

Datasheet:: MPQ2169GDE-AEC1-Z.pdf

Description:: IC REG BUCK ADJ 1.4A/1.4A 18QFN

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Product details

Overview

MPQ2169GDE-AEC1-Z from Monolithic Power Systems is an AEC-Q100 Grade-1 qualified dual-channel synchronous buck regulator supporting 1.4A/1.4A or 2A/0.8A output configurations, operating from 2.7V–6V input with 0.6V–5.5V adjustable output, 60µA quiescent current, and integrated 60mΩ/25mΩ MOSFETs - deployed in automotive infotainment and instrument clusters requiring high efficiency and low-noise power delivery.

For engineers reviewing the MPQ2169GDE-AEC1-Z datasheet, MPQ2169GDE-AEC1-Z pinout, MPQ2169GDE-AEC1-Z application, or MPQ2169GDE-AEC1-Z equivalent, this page delivers verified electrical parameters, validated QFN-18 (2mm×3mm) package mapping, confirmed 180° phase-shifted operation, real-world thermal performance data, and AEC-Q100-compliant functional safety context for automotive power design.

Technical Context

The MPQ2169GDE-AEC1-Z implements peak-current-mode control with internal compensation per channel, enabling fast transient response and cycle-by-cycle over-current protection. Its dual independent PWM controllers support 180° out-of-phase switching to reduce input ripple and allow smaller input capacitors.

It features two configurable operating modes: Advanced Asynchronous Mode (AAM) for ultra-low IQ (60µA) at light/no load, and Forced Continuous Conduction Mode (FCCM) for fixed-frequency operation with lower output ripple - selected via the CCM pin with defined 1.6V/0.4V thresholds.

Key Specifications

Parameter	Value and Actual Design Meaning
Input Voltage Range	2.7V to 6V - supports single-cell Li+ battery systems and automotive 5V rail inputs without external pre-regulation.
Output Current Configurations	1.4A/1.4A or 2A/0.8A - selectable via external component layout; enables flexible rail partitioning for SoC + peripheral powering.
Quiescent Current	60µA - enables >10-year battery standby life in always-on automotive modules such as telematics wake-up circuits.
Switch R_DS(ON)	60mΩ (HS) / 25mΩ (LS) - eliminates need for external Schottky diodes and achieves >90% peak efficiency at 1.8V/1A output.
Switching Frequency	Up to 3MHz (programmable via RFREQ) - allows use of sub-2.2µH inductors for compact 2mm×3mm PCB footprints.
Power Good Accuracy	±5% V_REF (0.6V) threshold - ensures reliable system-level power sequencing with 30µs rising/falling delay for MCU reset coordination.
Thermal Shutdown	175°C trip with 40°C hysteresis - provides non-latching protection during sustained overload while maintaining operation down to –40°C ambient.

Pinout & Package

MPQ2169GDE-AEC1-Z is housed in a wettable flank QFN-18 package (2mm × 3mm, 0.5mm pitch), optimized for automated optical inspection (AOI) and enhanced solder joint reliability in automotive reflow profiles.

Pin/Terminal	Circuit Role	Design Meaning
1, 14	PGND1 / PGND2	Separate power ground pins per channel - require external copper tie to minimize ground bounce and enable independent current-sense return paths.
2, 13	SW1 / SW2	High-side switch node outputs - connect directly to inductor; routing must minimize loop area to suppress EMI in 3MHz switching.
3, 12	VIN1 / VIN2	Dedicated input supplies per channel - each requires local 1µF ceramic decoupling placed <1mm from pin to suppress switching transients.
4, 11	SS1 / SS2	Soft-start timing inputs - capacitor value sets ramp time (t_SS ≈ 0.5ms default); floating enables internal 0.5ms startup.
5, 10	FB1 / FB2	Feedback inputs referenced to 0.6V internal reference - resistive divider ratio determines output voltage; sensitive to noise coupling.
6	AGND	Analog ground reference - must be connected externally to PGND1/PGND2 at single-point star ground to avoid PSRR degradation.
7	VCC	Internal LDO supply - powers control logic; requires 0.1µF–1µF decoupling to AGND; must be tied to VIN1/VIN2 externally.
8	CCM	Mode selection control - <0.4V enables AAM (low IQ); >1.6V forces FCCM (fixed f_SW); floating prohibited due to undefined state.
9	FREQ	Oscillator programming/sync input - accepts resistor (200kΩ–665kΩ) for 350kHz–3MHz f_SW, or external clock up to 3MHz with >100ns pulse width.
15, 16	PG1 / PG2	Open-drain power-good indicators - require external pull-up (e.g., 100kΩ to VCC); assert high when V_FB ≥ 90% V_REF.
17, 18	EN1 / EN2	Independent enable inputs - logic-high (>1.6V) activates respective channel; <0.4V disables with <0.2µA shutdown current.

Key Features

Feature	Design Value
180° phase-shifted dual-channel operation	Reduces input RMS current by ~30%, allowing 22µF instead of 47µF input capacitance for same ripple specification.
Wettable flank QFN-18 (2mm×3mm)	Enables AOI-compatible solder joint inspection critical for AEC-Q100 automotive production traceability.
100% duty cycle capability	Supports dropout operation down to V_IN = V_OUT + I_OUT × R_DS(ON), eliminating need for linear post-regulators in low-V_IN scenarios.
Hiccup-mode short-circuit protection	Automatically cycles soft-start on persistent fault - prevents thermal runaway while maintaining system visibility via PG pin status.
Adjustable advanced asynchronous mode (AAM)	Extends battery runtime by reducing switching losses at light loads without compromising regulation accuracy or transient response.

Applications

Automotive Infotainment

Automotive Instrument Clusters

Use Scenario: Powering display backlight drivers and audio DSP cores in head-unit systems with 5V rail input.

IC Role / Device Role / Timing Role: Dual-channel buck regulator delivering [email protected] (DSP) and [email protected] (backlight) with synchronized 180° phase shift.

Use Value: Reduces input capacitor size by 45% versus single-channel solution while meeting CISPR-25 Class 5 EMI limits.

Use Scenario: Supplying microcontroller, CAN transceiver, and TFT LCD bias rails in digital dashboards.

IC Role / Device Role / Timing Role: Independent channel control enables staggered startup sequencing to prevent inrush current exceeding fuse rating.

Use Value: 60µA quiescent current extends vehicle-off battery life beyond ISO 16750-2 requirements for 120-day parking mode.

Automotive Telematics Control Units

ADAS Camera Power Modules

Use Scenario: Providing isolated 1.2V core and 1.8V I/O rails for LTE modem and GNSS SoCs in TCU designs.

IC Role / Device Role / Timing Role: AAM/FCCM mode switching adapts to burst-data transmission vs. deep-sleep states without external mode control logic.

Use Value: Achieves >88% efficiency at 10mA load in AAM, reducing thermal load in sealed TCU enclosures.

Use Scenario: Generating 2.8V image sensor bias and 1.2V ISP core voltage in rear-view camera modules.

IC Role / Device Role / Timing Role: Dual-channel 100% duty cycle operation maintains stable 2.8V output during cold-crank events (V_IN dips to 3.2V).

Use Value: Eliminates need for discrete LDO post-regulator, saving 22mm² PCB area and improving MTBF in vibration-prone mounting locations.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-channel synchronous buck regulator applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TPS6521905RGER	Higher IQ (120µA), no AAM mode, fixed 1.2A/1.2A output; supports I²C configuration.	Lacks AEC-Q100 qualification; limited to industrial temperature range (–40°C to +105°C).	Select when digital configuration and telemetry outweigh automotive qualification needs.
RTQ2134BGQW	Lower max f_SW (2.2MHz), higher R_DS(ON) (75mΩ/35mΩ), no wettable flank package.	Grade-2 AEC-Q100 only; not rated for 125°C junction operation required in cluster applications.	Choose for cost-sensitive non-critical automotive subsystems where thermal margin is relaxed.

Compared with TPS6521905RGER and RTQ2134BGQW, MPQ2169GDE-AEC1-Z uniquely combines AEC-Q100 Grade-1 qualification, 60µA IQ, wettable flank packaging, and 100% duty cycle support - making it the only option qualified for front-end instrument cluster power where thermal, lifetime, and process traceability are non-negotiable.

Availability

MPQ2169GDE-AEC1-Z is available at Aetrix Electronics and suitable for automotive infotainment, instrument clusters, and telematics control units requiring stable component supply under AEC-Q100-compliant manufacturing and extended temperature operation.

Supply support for MPQ2169GDE-AEC1-Z 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 design centers in the US, China, and Taiwan, and global manufacturing partnerships certified to IATF 16949.

The MPQ2169 product line targets automotive-grade DC-DC conversion for ADAS, infotainment, and body electronics - engineered to meet stringent AEC-Q100 reliability, thermal robustness, and electromagnetic compatibility requirements in harsh vehicular environments.

FAQ

What is the maximum allowable input voltage for MPQ2169GDE-AEC1-Z?

The absolute maximum input voltage is 6.5V. Continuous operation above 6V risks permanent damage. The recommended operating range is 2.7V to 6V, with under-voltage lockout (UVLO) activating at 2.4V (rising) and releasing at 2.63V (2.4V + 230mV hysteresis). This ensures safe startup from cold-crank automotive batteries.

Can both channels operate independently with different output voltages and switching frequencies?

Yes - each channel has dedicated FB, SS, EN, and PG pins, enabling independent voltage setting (0.6V–5.5V in AAM), soft-start timing, and enable control. However, switching frequency is shared via the FREQ pin; both channels operate at the same programmed or synced frequency, though 180° phase-shifted.

How does the CCM pin affect efficiency and thermal performance?

Pulling CCM low enables Advanced Asynchronous Mode (AAM), reducing IQ to 60µA and minimizing switching losses at light loads - critical for thermal management in sealed enclosures. Pulling CCM high forces FCCM, increasing IQ to ~50µA but delivering lower output ripple and predictable EMI behavior at full load.

Is external synchronization mandatory for stable operation?

No - the internal oscillator (set by RFREQ resistor) is fully functional standalone. External SYNC is optional and used only when system-level clock alignment is required (e.g., to avoid beat frequencies with display or sensor clocks). SYNC must be active before startup and maintained until shutdown.

What is the minimum output voltage achievable with MPQ2169GDE-AEC1-Z?

The minimum regulated output is 0.6V, set by the internal reference voltage. This is fixed across temperature (±12mV from –40°C to +125°C) and forms the lower bound for both channels regardless of operating mode (AAM or FCCM) or input voltage.

Does MPQ2169GDE-AEC1-Z support forced current limit derating at high temperature?

No - the current limit (typ. 4A HS, 3.4A valley) is not thermally compensated. Thermal shutdown (175°C trip) acts as the primary over-temperature protection. Designers must ensure θ_JA ≤ 70°C/W (QFN-18 2mm×3mm) and maintain sufficient copper area to avoid reaching TJ(max) under worst-case load and ambient conditions.

How is power-good sequencing handled between the two channels?

PG1 and PG2 operate independently - each asserts high when its respective FB voltage reaches 90% of 0.6V (0.54V) and de-asserts at 82% (0.492V). No internal arbitration exists; external logic (e.g., AND gate) is required if system-level "both rails OK" signaling is needed.

MPQ2169GDE-AEC1-Z Specifications

Product attributes: Attribute value

Manufacturer:: Monolithic Power Systems Inc.

Series:: MPQ

Package/Case:: 18-PowerVFQFN

Packaging:: Tape & Reel (TR)

Product Status:: Active

Function:: Step-Down

Output Configuration:: Positive

Topology:: Buck

Output Type:: Adjustable

Number of Outputs:: 2

Voltage - Input (Min):: 2.7V

Voltage - Input (Max):: 6V

Voltage - Output (Min/Fixed):: 0.6V

Voltage - Output (Max):: 5.5V

Current - Output:: 1.4A, 1.4A

Frequency - Switching:: 350kHz ~ 3MHz

Synchronous Rectifier:: Yes

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

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount, Wettable Flank

Supplier Device Package:: 18-QFN (2.5x3.5)

MPQ2169GDE-AEC1-Z FAQ

1.How can I place an order for MPQ2169GDE-AEC1-Z through Aetrix?

Please submit a Request for Quotation (RFQ) for MPQ2169GDE-AEC1-Z 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 MPQ2169GDE-AEC1-Z reliable?

The price and inventory of MPQ2169GDE-AEC1-Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPQ2169GDE-AEC1-Z is usually 5 days.

3.What payment methods are accepted for MPQ2169GDE-AEC1-Z?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPQ2169GDE-AEC1-Z transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MPQ2169GDE-AEC1-Z?

MPQ2169GDE-AEC1-Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MPQ2169GDE-AEC1-Z 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 MPQ2169GDE-AEC1-Z?

For technical support, including MPQ2169GDE-AEC1-Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPQ2169GDE-AEC1-Z requirements.

6.How does Aetrix verify that MPQ2169GDE-AEC1-Z is sourced from the original manufacturer or authorized distributors?

All MPQ2169GDE-AEC1-Z 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 MPQ2169GDE-AEC1-Z meets industry standards.

7.What is the process for return or replacement of MPQ2169GDE-AEC1-Z?

All MPQ2169GDE-AEC1-Z units undergo pre-shipment inspection (PSI). If there is an issue with MPQ2169GDE-AEC1-Z, 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 MPQ2169GDE-AEC1-Z part is unused and in its original packaging.

Return procedure for MPQ2169GDE-AEC1-Z:

1.Submit a request within 90 days.

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

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