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MP9942GJ
Device that efficiently converts input voltage to desired output voltageMP9942GJ
Device that efficiently converts input voltage to desired output voltage
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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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MP9942GJ DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The MP9942GJ is a monolithic synchronous step-down converter designed to deliver up to 15A continuous output current with excellent load and line regulation over a wide input voltage range of 4.5V to 73V. It features an integrated, high-side, and low-side power MOSFETs, and offers high efficiency and low ripple voltage to meet the requirements of various applications such as automotive, industrial, telecom, and networking.The device operates at a fixed frequency of 500kHz and supports pulse frequency modulation (PFM) to achieve high efficiency under light-load conditions. It also includes programmable soft-start, power good indication, thermal shutdown, and overcurrent protection features for improved system reliability and robustness.Furthermore, the MP9942GJ comes in a compact QFN package with exposed thermal pad for enhanced thermal performance and ease of PCB layout.
Key Features
- High efficiency synchronous step-down regulator
- Input voltage range: 2.7V to 5.5V
- Output voltage range: 0.6V to 5.5V
- Adjustable frequency: 500kHz to 4MHz
- Internal soft-start and compensation
- Short-circuit protection and thermal shutdown
- Compact 3mm x 3mm QFN package
Application
- LED lighting
- Small appliances
- Automotive lighting
- Industrial control systems
- Consumer electronics
- Power over Ethernet (PoE) applications
- Telecommunication equipment
- Networking devices
- Medical devices
- Robotics
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | Yes | Part Life Cycle Code | Active |
| Reach Compliance Code | compliant | ECCN Code | EAR99 |
| HTS Code ! | 8542.39.00.01 | Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE | Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 36 V | Input Voltage-Min | 4 V |
| Input Voltage-Nom | 12 V | JESD-30 Code | R-PDSO-G8 |
| Length | 2.9 mm | Number of Functions | 1 |
| Number of Terminals | 8 | Operating Temperature-Max | 125 °C |
| Operating Temperature-Min | -40 °C | Output Current-Max | 5.5 A |
| Output Voltage-Max | 33.12 V | Output Voltage-Min | 0.8 V |
| Package Body Material | PLASTIC/EPOXY | Package Code | VSSOP |
| Package Equivalence Code | TSSOP8,.12 | Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH | Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Seated Height-Max | 1 mm | Supply Current-Max (Isup) | 0.7 mA |
| Surface Mount ! | YES | Switcher Configuration | BUCK |
| Switching Frequency-Max | 500 kHz | Temperature Grade ! | AUTOMOTIVE |
| Terminal Form ! | GULL WING | Terminal Pitch ! | 0.65 mm |
| Terminal Position | DUAL | Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Width | 1.6 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is MP9942GJ?
The MP9942GJ is a fixed frequency, synchronous, step-down DC-DC converter designed by Monolithic Power Systems. It is designed to efficiently regulate voltage levels in various electronic devices such as tablets, smartphones, and portable media players.
How Does MP9942GJ Work?
The MP9942GJ operates by converting input voltage to a lower output voltage with high efficiency. It utilizes synchronous rectification to minimize power loss and maximize energy conversion. The converter adjusts the duty cycle of the switching signal to regulate the output voltage according to the feedback control loop.
How Many Pins does MP9942GJ have and What are the Functions of the Pinout Configuration?
The MP9942GJ is available in a small footprint 16-pin QFN (Quad Flat No-leads) package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- SW: Switch pin for inductor connection.
- FB: Feedback pin for voltage regulation adjustment.
- PWRGD: Power good indicator pin.
- EN: Enable pin for output control.
What are the Pros and Cons of MP9942GJ?
Pros:
- High Efficiency: Provides efficient power conversion for longer battery life.
- Compact Size: Small package size for space-constrained applications.
- Fixed Frequency Operation: Ensures stable and predictable performance.
- Wide Input Voltage Range: Suitable for various input voltage levels.
- Overcurrent Protection: Includes protection features for enhanced reliability.
Cons:
- External Components: May require external components for specific application requirements.
- Heat Dissipation: Heat sink or thermal management may be needed for high-power applications.
- Complexity: Synchronous converters may have more components compared to non-synchronous designs.
Are There Any Equivalents/Alternatives to MP9942GJ for Recommendation?
- The MP9943 from Monolithic Power Systems is a similar synchronous step-down converter with additional features.
- Alternatives to the MP9942GJ include the LM2675 from Texas Instruments and the LT1763 from Analog Devices.
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