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MPQ2169GRHE-AEC1-Z
Monolithic Power Systems Inc.
IC REG BUCK ADJ 1.4A DL 18QFN
28815 Pcs New Original In Stock
Buck Switching Regulator IC Positive Adjustable 0.6V 2 Output 1.4A, 1.4A 18-PowerVFQFN
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5.0 / 5.0
- (252 Ratings)
MPQ2169GRHE-AEC1-Z
Product Overview
11158284
DiGi Electronics Part Number
MPQ2169GRHE-AEC1-Z-DGManufacturer
Monolithic Power Systems Inc.
MPQ2169GRHE-AEC1-Z
Description
IC REG BUCK ADJ 1.4A DL 18QFNInventory
28815 Pcs New Original In Stock
Buck Switching Regulator IC Positive Adjustable 0.6V 2 Output 1.4A, 1.4A 18-PowerVFQFN
Quantity
Minimum 1
Minimum 1
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MPQ2169GRHE-AEC1-Z Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - DC DC Switching Regulators
Packaging
Tape & Reel (TR)
Series
MPQ
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
Package / Case
18-PowerVFQFN
Supplier Device Package
18-QFN (2.5x3.5)
Datasheet & Documents
HTML Datasheet
MPQ2169GRHE-AEC1-Z-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
1589-MPQ2169GRHE-AEC1-ZTR
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Les livraisons sont toujours effectuées en parfait timing et en parfait état, bravo à leur logistique.
Dec 02, 2025
Der After-Sales-Service hat mir nach dem Kauf wertvolle Tipps gegeben, vielen Dank dafür.
Dec 02, 2025
Their post-purchase support is thorough and always available to help with any concerns.
Dec 02, 2025
The pricing advantage makes it easy to stay within my budget while exploring new projects.
Dec 02, 2025
DiGi Electronics' prices are surprisingly competitive, offering me great deals that I can't find elsewhere.
Dec 02, 2025
Fast shipping combined with high-quality products makes DiGi Electronics my preferred supplier for electronic gear.
Dec 02, 2025
My questions were answered quickly, and my order arrived sooner than expected—very satisfying experience.
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Frequently Asked Questions (FAQ)
What are the key design risks when using the MPQ2169GRHE-AEC1-Z in a compact automotive PCB layout, and how can wettable flank packaging help mitigate them?
The MPQ2169GRHE-AEC1-Z’s 18-QFN (2.5x3.5mm) package with wettable flank design significantly reduces solder joint inspection challenges in high-vibration automotive environments. A major risk in compact layouts is insufficient thermal relief or poor solder fillet formation, which can lead to cold joints or early fatigue failure. The wettable flanks allow for visual confirmation of proper solder wetting during AOI (automated optical inspection), improving assembly yield and long-term reliability. Additionally, ensure adequate copper pour under the exposed pad and use multiple vias to the ground plane to manage heat and maintain stable switching performance under load.
Can the MPQ2169GRHE-AEC1-Z safely replace a TPS62130 in a 5V-to-1.8V automotive power rail, and what trade-offs should I consider?
While both the MPQ2169GRHE-AEC1-Z and TPS62130 (from Texas Instruments) are synchronous buck converters rated for 1.4A output, direct replacement requires careful evaluation. The MPQ2169GRHE-AEC1-Z supports a wider input range (2.7V–6V vs. 3V–17V for TPS62130) but operates at a higher minimum input voltage, making it unsuitable if your system drops below 3V during cold-crank conditions. Additionally, the MPQ2169GRHE-AEC1-Z offers adjustable frequency up to 3MHz, enabling smaller inductors, but may increase EMI risk if not properly filtered. Verify loop stability with your actual output capacitance and ensure the feedback network is recalculated for your target 1.8V output using the 0.6V reference.
How does the MPQ2169GRHE-AEC1-Z handle startup into pre-biased loads, and what precautions are needed to avoid reverse current or latch-up?
The MPQ2169GRHE-AEC1-Z does not include built-in pre-bias startup protection, which poses a risk when powering FPGA or ASIC rails that may retain charge from auxiliary supplies. If the output is pre-charged above the regulator’s soft-start voltage, the synchronous rectifier can sink current backward into the input, potentially damaging upstream components or causing uncontrolled output behavior. To mitigate this, implement an external enable delay or use a load switch to isolate the output until the MPQ2169GRHE-AEC1-Z reaches regulation. Alternatively, design the system so that the MPQ2169GRHE-AEC1-Z powers up before any dependent circuitry.
What EMI and noise mitigation strategies are recommended when operating the MPQ2169GRHE-AEC1-Z at 2.5MHz in a sensitive automotive sensor application?
Operating the MPQ2169GRHE-AEC1-Z at high frequencies (e.g., 2.5MHz) reduces passive component size but increases high-frequency noise that can interfere with nearby analog sensors (e.g., radar or camera modules). Use a Pi-filter (LC-L) at the input and a small ferrite bead followed by a low-ESR ceramic capacitor at the output to suppress conducted emissions. Minimize switch node loop area by placing the inductor and output capacitors as close as possible to the IC. Additionally, consider frequency dithering if supported by your control scheme, and perform CISPR 25 Class 5 testing early in prototyping to validate compliance.
Is the MPQ2169GRHE-AEC1-Z suitable for always-on automotive systems drawing microamps in sleep mode, and how does its quiescent current compare to alternatives like the LMR16006?
The MPQ2169GRHE-AEC1-Z is not optimized for ultra-low quiescent current operation; its typical IQ is higher than dedicated low-IQ regulators like the LMR16006 (which offers <10µA in shutdown). In always-on applications such as telematics or gateway modules, this can lead to excessive battery drain over time. If your design requires long-term standby with minimal current draw, consider using the MPQ2169GRHE-AEC1-Z only in active modes and pair it with a low-IQ buck converter for sleep states. Alternatively, evaluate whether the system can tolerate periodic wake-up bursts instead of continuous regulation to reduce average power consumption.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MPQ2169GRHE-AEC1-Z CAD Models
Monolithic Power Systems Inc. MPQ2169GRHE-AEC1-Z PCB symbols & footprints
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