MPS MP9942GJ-Z
Fast Switching Frequency for Reduced Heat Generati





Brands: MPS
Mfr.Part #: MP9942GJ-Z
Datasheet: MP9942GJ-Z Datasheet (PDF)
Package/Case: SOT23-8
Product Type: Voltage Regulators , DC DC Switching Regulators
RoHS Status:
Stock Condition: 2,305 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
0
1
MP9942GJ-Z General Description
The MP9942GJ-Z is a cutting-edge synchronous step-down DC-DC converter, ideal for applications that prioritize high efficiency and compact design. With an input voltage range of 4.5V to 18V and an output voltage range of 0.6V to 5.5V, this versatile device is capable of delivering a maximum output current of 4A. One of its key features is the integrated high-side and low-side power MOSFETs, which not only reduce the need for external components but also simplify the overall design process. Additionally, the MP9942GJ-Z includes a range of protective features such as overcurrent protection, overvoltage protection, undervoltage protection, and thermal shutdown, ensuring reliable operation and safeguarding against fault conditions. The fixed switching frequency of 500kHz further enhances efficiency and minimizes the size of external components. Furthermore, the inclusion of a power good indicator pin allows for convenient monitoring of the output voltage status


Specifications
Parameter | Value | Parameter | Value |
---|---|---|---|
Output Voltage | 800 mV to 34.2 V | MAX Output Current | 2 A |
Collector- Emitter Voltage VCEO Max | 30 V | Number of Outputs | 1 Output |
Regulator Topology | Buck | Mounting Style | SMD/SMT |
Switching Frequency | 410 kHz | High Level Output Current | 500 uA |
Minimum Operating Temperature (°C) | - 40 | Maximum Operating Temperature (°C) | + 125 |
Series | MP9942 | Input Voltage, Min | 4 V |
Input Voltage | 4 V to 30 V | Product | Voltage Regulators |
Auto Shutdown | Shutdown | Factory Pack Quantity | 3000 |
Manufacturer Type | Synchronous Step-Down Converter |
Shipping
Shipping Type | Ship Fee | Lead Time | |
---|---|---|---|
![]() |
DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
---|---|---|
![]() |
Wire Transfer | charge US$30.00 banking fee. |
![]() |
Paypal | charge 4.5% service fee. |
![]() |
Credit Card | charge 3.5% service fee. |
![]() |
Western Union | charge US.00 banking fee. |
![]() |
Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
-
Step1 :Product Inventory
-
Step2 :Pressure Relief Packaging
-
Step3 :Anti Static Packaging
-
Step4 :Protective Packaging
-
Step5 :Sealed Packaging
-
Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the MP9942GJ-Z?
A: To place an order for the MP9942GJ-Z, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the MP9942GJ-Z?
A: We offer a 1-year warranty on the MP9942GJ-Z. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of MP9942GJ-Z from MPS?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original MPS manufacturers and authorized agents. All MPS suppliers must pass a qualification review before they can list their MP9942GJ-Z products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the MP9942GJ-Z chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the MPS information page to find comprehensive details about the MP9942GJ-Z.
Q: Are the price and stock information for MP9942GJ-Z on Ovaga's platform accurate?
A: Inventory levels for MPS products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for MP9942GJ-Z?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the MP9942GJ-Z?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Part points
-
MP9942GJ-Z is a highly efficient synchronous buck converter chip designed for use in DC-DC power supply applications. It features a wide input voltage range, high power density, and excellent thermal performance. With its integrated features and compact size, this chip is ideal for a variety of power management purposes.
-
Equivalent
The equivalent products of MP9942GJ-Z chip are TPS548D22 and RTQ2140A. These chips are also synchronous, step-down DC switching regulators with integrated high-side and low-side MOSFETs, providing high efficiency and a small footprint for power supply applications. -
Features
- High efficiency synchronous step-down converter - Wide input voltage range (4.5V to 75V) - Integrated N-channel power MOSFETs - Up to 3A continuous output current - Integrated overcurrent protection and thermal shutdown - Adjustable output voltage - Programmable soft-start - Small and compact QFN-16 (4mm x 4mm) package -
Pinout
The MP9942GJ-Z is a 32-pin, 8-channel LED driver with open-drain outputs. It includes a built-in shift register and data latches for serial data input. Each channel can drive up to 40mA of constant current for driving LEDs in automotive lighting applications. -
Manufacturer
MP9942GJ-Z is manufactured by Monolithic Power Systems, Inc. (MPS), a semiconductor company that specializes in power management solutions for a wide range of applications, including consumer electronics, automotive, industrial, and telecommunications. MPS is known for its high-performance, energy-efficient power ICs that help customers reduce power consumption and improve system performance. -
Application Field
The MP9942GJ-Z is commonly used in various applications such as voltage regulator modules, LED lighting, automotive electronics, and power management systems. Its high efficiency, accurate output voltage regulation, and compact size make it suitable for a wide range of power supply and lighting applications. -
Package
The MP9942GJ-Z chip is packaged in a WQFN-40 form factor. It has a size of 6mm x 6mm and a pitch of 0.5mm.
Assembly Advice
No need to assemble boards by yourself anymore—Ovaga is here to help! We offer free assembly services for parts like MP9942GJ-Z. Simply sign in to Ovaga and take advantage of discounts and free assembly options. Let us handle the work while you focus on your projects!
Learn more about our PCB services-
Pre-order the parts you need through Ovaga’s platform.
-
Once your parts are pre-ordered, simply place a PCBA order with us, and we’ll take care of the assembly for you.
-
Ovaga will produce and assemble your boards efficiently, with a quick turnaround of just 3 days!
PCB & SMT
PCB Assembly and Production Services
Professional Model >>Circuit Assembly Showcase

We provide high quality products, thoughtful service and after sale guarantee
-
We have rich products, can meet your various needs.
-
Minimum order quantity starts from 1pcs.
-
Lowest international shipping fee starts from $0.00
-
365 days quality guarantee for all products
Recommend
Assemble PCBs
One-Stop PCB & PCBA Services From design to production, delivered fast and cost-effectively. Certified quality:lATF16949,1S013485 IS09001.1S014001.
Fulfillment: Turnkey or consigned
Quantity: 1-10,000+pcs.
Quality Grade: IPC3
Lead time: as short as 2 days
Other: AOI. X-ray SPI, ICT