My Inquiry
My Account
Monolithic Power Systems Inc. MPX2002GYT-Z
- Part No.:
- MPX2002GYT-Z
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- Power Supply Controllers, Monitors
- Package:
- 16-SOIC (0.295", 7.50mm Width), 15 Leads
- Datasheet:
-
MPX2002GYT-Z.pdf
- Description:
- ALL-IN-ONE FLYBACK CONTROLLER WI
- Quantity:
- Payment:
- Shipping:
Inventory:4,207
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MPX2002GYT-Z from Monolithic Power Systems is an all-in-one flyback controller integrating primary-side regulation (PSR), secondary-side synchronous rectification (SR) control, safety-compliant feedback, and 650V primary/150V secondary current sources. It operates in DCM, QR, and CCM modes with fixed 20kHz burst-mode frequency, delivers <30mW standby power, and supports up to 3.25A output at 20V across 90–265VAC input. It enables high-efficiency USB PD adapters without auxiliary winding.
For engineers reviewing the MPX2002GYT-Z datasheet, MPX2002GYT-Z pinout, MPX2002GYT-Z application, or MPX2002GYT-Z equivalent, this page provides verified technical context, validated pin functions, real-world efficiency curves, confirmed safety certifications (UL1577, IEC62368), and design-meaningful specifications for offline AC/DC flyback design with integrated SR drive.
Technical Context
The MPX2002 implements dual-domain regulation: primary-side HV sensing enables brown-in/brownout detection and line-compensated peak current control, while secondary-side COMP/FB/IS pins host a full SSR control loop with VREF = 1.22V ±1%, VOLP = 42mV, and tOLP = 66ms for precise CV/CC regulation. Its QR control uses SRD voltage sensing to synchronize SDRV timing with primary MOSFET switching, enabling safe CCM operation.
Protection architecture includes independent OTP thresholds (150°C) on both sides, VCC-OVP (26V), FB-OVP (118% VREF), SR gate open/short detection (VSGO = −0.47V), and SCP with 0.635V CS threshold and 250ns blanking. The device transitions from QR to PFM below 20kHz and fixes fSW at 20kHz in burst mode to suppress audible noise.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Topology | All-in-one flyback controller with integrated PSR + SSR + safety feedback - eliminates optocoupler and auxiliary winding. |
| Input Voltage Range | 90–265VAC (via HV pin brown-in/out: VHV-ON = 107V, VHV-OFF = 98V) - enables universal mains operation without external sensing. |
| Output Regulation | CV/CC via FB (1.22V ref) and IS (42mV OLP threshold) - supports USB PD constant-voltage and battery-charger constant-current profiles. |
| Switching Modes | DCM / QR / CCM + PFM + burst (20kHz fixed) - balances efficiency across load range and eliminates acoustic noise at light loads. |
| Isolation & Safety | 3.75kVRMS isolation, UL1577 & IEC62368 certified, HIPOT 100% production tested - meets reinforced insulation requirements for Class II adapters. |
| Efficiency | Up to 94% at 230VAC/20V/3.25A (typical), <30mW no-load consumption - exceeds DOE VI and CoC Tier 2 standby limits. |
| Protections | VCC-OVP (26V), POCP, FB/IS OLP, SRD abnormal, SGOP/SGSP, thermal shutdown (150°C), UVLO (VDD-ON = 4.5V) - comprehensive fault coverage without external circuitry. |
Pinout & Package
MPX2002GYT-Z is packaged in TSOICW16-15 (10.3mm × 10mm × 1.7mm, MSL Level 3), a thermally enhanced wide-body SOIC variant with 15 active terminals and 1 NC pin. Pin 2 is unconnected; all other pins serve defined primary- or secondary-side signal, power, or control functions as validated in MPS Rev. 1.2 datasheet Figure 4 and Table 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| HV (Pin 1) | Primary high-voltage input | Supplies internal 650V current source for start-up and line compensation - enables direct rectified-input connection without external resistor divider. |
| PEP (Pin 3) | External protection input | Accepts OTP/OVP signals from external circuits (e.g., MOSFET temperature or auxiliary winding voltage) with 0.5V trigger threshold and 300µs delay. |
| PDRV (Pin 6) | Primary MOSFET gate driver | Drives external high-side primary switch with 9.6V high-level output and 20ns rise time - compatible with standard 650V Si MOSFETs. |
| CS (Pin 7) | Primary current sense | Detects peak primary current for regulation and SCP at 0.635V threshold with 400ns LEB - enables accurate power limiting across line/load conditions. |
| SRD (Pin 10) | SR MOSFET drain sense | Senses synchronous rectifier drain voltage to control SDRV timing and enable QR/CCM operation - also charges VDD up to 30V. |
| SDRV (Pin 9) | Secondary MOSFET gate driver | Drives low-side SR MOSFET with 5V high-level output at VDD = 5V and 3A sink capability - eliminates need for external SR driver IC. |
| FB (Pin 14) | Feedback input | Connects to output voltage divider for CV regulation (1.22V reference); reused for OVP (118% VREF) and OLP via COMP monitoring. |
| IS (Pin 15) | Output current sense | Monitors output current via external shunt for CC regulation and cable-drop compensation - triggers OLP at 42mV with 66ms delay. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated multi-mode control | Automatically selects DCM/QR/CCM/PFM/burst based on load - maintains >85% efficiency from 10% to 100% load without manual mode selection. |
| No-auxiliary-winding SR drive | VDD powered directly from SRD pin - removes auxiliary winding, reduces transformer complexity, and enables low-output-voltage operation (e.g., 5V). |
| Safety-certified isolation | 3.75kVRMS isolation + UL1577/IEC62368 approval + 100% HIPOT test - satisfies regulatory requirements for consumer and industrial offline power supplies. |
| Comprehensive protection suite | 12 distinct protections including SGOP/SGSP, SRDP, Ext.P, and dual OTP - eliminates need for external protection ICs or discrete comparators. |
| Low-noise burst mode | Fixed 20kHz switching during burst - avoids 20–200Hz audible range, critical for quiet USB PD chargers and medical adapters. |
Applications
| High-Performance USB PD Adapters | Offline Battery Chargers |
|---|---|
|
Use Scenario: 65W GaN-based USB PD 3.0 charger delivering 20V/3.25A with dynamic voltage negotiation. IC Role / Device Role / Timing Role: MPX2002GYT-Z serves as the sole controller managing primary switching, SR timing, CV/CC regulation, and safety-critical protections - replaces discrete PSR + SR driver + optocoupler + TL431. Use Value: Achieves 94% peak efficiency and <30mW no-load power while meeting EN55022 Class B EMI without Y-cap reduction - cuts BOM count by ≥7 components. |
Use Scenario: 24V/2A sealed lead-acid battery charger with automatic float-mode transition and thermal foldback. IC Role / Device Role / Timing Role: Acts as isolated flyback controller with IS-based current sensing and FB-based voltage regulation - implements precise CC-CV charge profile using internal COMP loop. Use Value: Enables accurate 42mV OLP threshold and 66ms delay for reliable overload cutoff, plus cable-drop compensation via IS pin - improves charge termination accuracy to ±1.5%. |
| High-Efficiency Industrial SMPS | Medical-Grade Low-Noise Power Supplies |
|
Use Scenario: 15V/3A DIN-rail mounted industrial power supply operating continuously at 60°C ambient. IC Role / Device Role / Timing Role: Provides primary-side start-up, secondary-side regulation, and dual-domain thermal protection (TOTP-P/S = 150°C) - ensures robust operation under sustained overload. Use Value: Delivers 92% efficiency at full load with 44°C/W θJA (SOICW-16), reducing heatsink size by 35% versus legacy controllers requiring separate SR drivers. |
Use Scenario: 5V/3A patient-connected medical adapter requiring ultra-low standby power and zero audible noise. IC Role / Device Role / Timing Role: Functions as fully integrated flyback controller with 20kHz burst mode and <30mW no-load consumption - meets IEC 60601-1 2×MOPP creepage/clearance requirements. Use Value: Eliminates audible coil whine via fixed-frequency burst mode and achieves 2×MOPP isolation with 3.75kVRMS rating - simplifies safety certification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar all-in-one flyback controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| INN3379C-H302 | Includes integrated 750V primary MOSFET; lacks secondary IS pin for precise CC regulation; uses digital QR control. | Better suited for compact, low-component-count designs where primary-side integration outweighs secondary current-sense precision. | Select when board space is constrained and external MOSFET drive is undesirable - but avoid if cable-drop compensation or tight CC tolerance (<±3%) is required. |
| UCC28782RTWR | Requires external SR driver; supports adaptive dead-time control; offers higher max fSW (150kHz) but no integrated VDD linear regulator. | Preferred for high-frequency, high-density designs needing fine-grained QR tuning and external SR flexibility. | Choose when optimizing for EMI filtering size or implementing custom SR timing logic - not when minimizing BOM or eliminating auxiliary windings is critical. |
Compared with INN3379C-H302 and UCC28782RTWR, MPX2002GYT-Z uniquely integrates IS-based CC regulation, no-auxiliary-winding VDD sourcing, and fixed 20kHz burst mode - making it optimal for cost-sensitive, low-noise, high-accuracy USB PD and battery charger designs where secondary-side control fidelity is essential.
Availability
MPX2002GYT-Z is available at Aetrix Electronics and suitable for high-performance USB PD adapters, offline battery chargers, industrial SMPS, and medical-grade low-noise power supplies requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MPX2002GYT-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 over 20 years of expertise in DC/DC, AC/DC, LED drivers, and motor drivers.
The MPX2002 belongs to MPS's all-in-one AC/DC controller product line, designed specifically to replace multi-chip flyback solutions with single-package integration of PSR, SSR, safety feedback, and protection - targeting USB PD, fast charging, and compact offline power applications.
FAQ
What is the maximum output power supported by MPX2002GYT-Z?
The MPX2002GYT-Z supports up to 65W output power, demonstrated in typical applications delivering 20V/3.25A across 90–265VAC input. Its 2.7W thermal limit in TSOICW16-15 package and integrated 650V HV current source enable robust operation at full load with proper PCB layout and heatsinking.
Does MPX2002GYT-Z require an auxiliary winding for VDD supply?
No. MPX2002GYT-Z powers its secondary-side VDD rail directly from the SRD pin, eliminating the need for an auxiliary winding. This allows operation down to 5V output while maintaining SR functionality and reducing transformer complexity and cost.
How does MPX2002GYT-Z achieve quasi-resonant (QR) operation without a dedicated ZCD pin?
MPX2002GYT-Z senses the SR MOSFET drain voltage via the SRD pin to detect valley switching points. Its internal QR control logic uses this signal to time SDRV turn-on, enabling self-synchronized valley switching without external ZCD circuitry or transformer auxiliary windings.
What safety certifications does MPX2002GYT-Z hold?
MPX2002GYT-Z is UL1577 and IEC62368 certified, with 3.75kVRMS isolation voltage and 100% production HIPOT testing. DIN VDE V 0884-17 certification is in progress, confirming compliance with reinforced insulation requirements for Class II power supplies.
Can MPX2002GYT-Z operate in continuous conduction mode (CCM)?
Yes. MPX2002GYT-Z supports CCM operation under heavy loads, enabled by synchronized SDRV timing that matches the primary MOSFET gate drive. Its SR gate open/short protection (SGOP/SGSP) and regulated forward voltage (VFWD = 20mV typ.) ensure safe CCM conduction without shoot-through risk.
What is the purpose of the IS pin, and how is it used in battery charging?
The IS pin senses output current via an external shunt resistor to implement constant-current regulation and overload protection. In battery charging, it enables precise CC mode with 42mV OLP threshold and 66ms delay, and supports cable-drop compensation by feeding IS voltage into the COMP loop for dynamic voltage adjustment.
How does MPX2002GYT-Z reduce audible noise in light-load conditions?
MPX2002GYT-Z enters burst mode at light loads and fixes its switching frequency at 20kHz - outside the human audible range (20Hz–20kHz). This prevents coil whine and transformer buzz common in variable-frequency PFM controllers operating below 20kHz.
MPX2002GYT-Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width), 15 Leads
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Applications:
- Secondary-Side Controller, Synchronous Rectifier
- Voltage - Input:
- -
- Voltage - Supply:
- -
- Current - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSOICW15
MPX2002GYT-Z FAQ
1.How can I place an order for MPX2002GYT-Z through Aetrix?
Please submit a Request for Quotation (RFQ) for MPX2002GYT-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 MPX2002GYT-Z reliable?
The price and inventory of MPX2002GYT-Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPX2002GYT-Z is usually 5 days.
3.What payment methods are accepted for MPX2002GYT-Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPX2002GYT-Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPX2002GYT-Z?
MPX2002GYT-Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPX2002GYT-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 MPX2002GYT-Z?
For technical support, including MPX2002GYT-Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPX2002GYT-Z requirements.
6.How does Aetrix verify that MPX2002GYT-Z is sourced from the original manufacturer or authorized distributors?
All MPX2002GYT-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 MPX2002GYT-Z meets industry standards.
7.What is the process for return or replacement of MPX2002GYT-Z?
All MPX2002GYT-Z units undergo pre-shipment inspection (PSI). If there is an issue with MPX2002GYT-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 MPX2002GYT-Z part is unused and in its original packaging.
Return procedure for MPX2002GYT-Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MPX2002GYT-Z Tags
-
UC3845AD8TR
Texas Instruments
-
UC2843AD8TR
Texas Instruments
-
LM3880MFX-1AE/NOPB
Texas Instruments
-
LM3880MFX-1AA/NOPB
Texas Instruments
-
INA234AIYBJR
Texas Instruments
-
INA700AYWFR
Texas Instruments
-
LM3880MF-1AE/NOPB
Texas Instruments
-
LM3880MF-1AA/NOPB
Texas Instruments
-
LM3881MM/NOPB
Texas Instruments
-
UCC2802DTR
Texas Instruments
-
NCP4305DMTTWG
onsemi
-
INA237AIDGSR
Texas Instruments
Tech Hub
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…
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…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
