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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Power Supply Controllers, Monitors

Monolithic Power Systems Inc. MP6922AGN-P

Name: MP6922AGN-P
Brand: Monolithic Power Systems Inc.
SKU: MP6922AGN-P
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MP6922AGN-P

Manufacturer:: Monolithic Power Systems Inc.

Category:: Power Supply Controllers, Monitors

Package:: 8-SOIC (0.154", 3.90mm Width) Exposed Pad

Datasheet:: MP6922AGN-P.pdf

Description:: DUAL, FAST-TURNOFF, INTELLIGENT

Quantity:: RFQ Add To RFQ list

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Product details

Overview

MP6922AGN-P from Monolithic Power Systems is a dual-channel, fast-turn-off intelligent rectifier IC designed for synchronous rectification in LLC resonant converters. It drives two N-channel MOSFETs, regulates forward voltage drop to 30mV, achieves 20ns total turn-off delay, supports up to 300kHz switching, and includes reverse-current protection and light-load latching. It operates across 8V–24V VDD and is used in high-efficiency AC-DC adapters.

For engineers reviewing the MP6922AGN-P datasheet, MP6922AGN-P pinout, MP6922AGN-P application, or MP6922AGN-P equivalent, key selection criteria include its 30mV V_DS regulation accuracy, 20ns turn-off propagation, SOIC8E exposed-pad thermal performance (θ_JA = 50°C/W), light-load <600μA quiescent current, and dual-channel independent sensing for CCM/CrCM/DCM operation.

Technical Context

The MP6922AGN-P implements adaptive gate control per channel using drain-source voltage (V_DS) sensing at VD1/VD2 pins referenced to VS1/VS2, with real-time regulation to maintain ~30mV conduction drop. Its blanking logic enforces 1μs minimum ON-time and dynamically adjusts turn-off threshold during transitions to suppress ringing-induced false triggering.

It integrates three protection mechanisms: reverse-current latch triggered by RCP pin voltage exceeding 3.0V (typ), thermal shutdown at 150°C with 30°C hysteresis, and EN-pin–controlled enable/disable with 3.0V UVLO threshold. The SOIC8E package uses an exposed PGND pad for enhanced thermal dissipation (θ_JC = 10°C/W).

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS Regulation	30mV typical - maintains low conduction loss across load range by dynamically adjusting gate drive
Turn-Off Total Delay	75ns max - enables reliable zero-current switching in high-frequency LLC topologies up to 300kHz
Light-Load Quiescent Current	<600μA - meets Energy Star 0.5W standby requirement via latched gate driver disable
VDD Operating Range	8V to 24V - supports wide-input auxiliary supplies in industrial and telecom SMPS
Reverse-Current Protection Threshold	3.0V typ at RCP pin - detects shoot-through risk in center-tapped full-wave rectifiers and latches both channels for 150μs
Thermal Shutdown	150°C with 30°C hysteresis - prevents permanent damage and ensures automatic recovery at 120°C junction temperature
Package Thermal Resistance	θ_JA = 50°C/W (SOIC8E) - enables higher power density vs. SOIC8 (90°C/W) without external heatsink

Pinout & Package

MP6922AGN-P is supplied in SOIC8E (exposed pad) package, featuring an integrated thermal pad connected to PGND for low-impedance heat transfer to PCB copper. Pin numbering follows JEDEC MS-012 variation AA standard.

Pin/Terminal	Circuit Role	Design Meaning
VG1	MOSFET 1 Gate Driver Output	Drives high-side or low-side N-MOSFET gate; delivers 3A pull-down current for fast turn-off
VG2	MOSFET 2 Gate Driver Output	Independent second channel output; synchronized but electrically isolated from VG1
VD1 / VD2	Drain Voltage Sense Input	High-voltage input (up to +180V) sensing MOSFET drain; uses internal JFET for robustness
VS1 / VS2	Source Reference Terminal	Local source return for each channel; separates sensing paths to avoid cross-talk in multi-MOSFET layouts
VDD	Supply Input	8–24V bias rail; powers internal logic and gate drivers; includes 6.0V UVLO with 1.0V hysteresis
EN	Enable Control Input	Active-high logic input; 3.0V threshold enables operation; 0V forces shutdown and pulls VG low
PGND	Power Ground	Exposed pad and Pin 2 - primary thermal and current return path for gate drivers and internal circuitry
LL	Light-Load Timing Set	Connects external resistor (e.g., 100kΩ) to set 2.2μs light-load pulse width and 160μs entry delay

Key Features

Feature	Design Value
Dual independent channel control	Enables asymmetric LLC designs with separate MOSFET sizing and layout optimization per output leg
30mV V_DS regulation accuracy	Reduces conduction losses by >40% vs. fixed-threshold SR controllers under light-to-moderate loads
20ns turn-off propagation delay	Minimizes reverse conduction time in CrCM/CCM, directly improving efficiency at 200–300kHz
Reverse-current protection with RCP pin	Eliminates need for external comparators or timing circuits in high-frequency center-tapped rectifiers
SOIC8E thermal performance	2.5W continuous power dissipation rating allows use in compact 30W–65W adapter designs without forced air

Applications

AC-DC Adapters

LCD & PDP TVs

Use Scenario: 45W universal-input laptop adapter with LLC resonant topology operating at 250kHz.

IC Role / Device Role / Timing Role: Dual-channel synchronous rectifier controller managing two secondary-side N-MOSFETs in center-tapped configuration.

Use Value: Achieves >94% full-load efficiency and <0.4W no-load consumption, meeting DOE Level VI and Energy Star 2.0 requirements.

Use Scenario: 120W open-frame power supply for 4K LCD TV with dual 12V/5V outputs.

IC Role / Device Role / Timing Role: Primary synchronous rectifier for main 12V rail; coordinates with secondary-side controller for precise V_DS-based turn-off timing.

Use Value: Reduces secondary-side conduction loss by 1.8W vs. Schottky solution, lowering thermal stress on heatsink and enabling fanless design.

Telecom SMPS

Industrial PoE Switches

Use Scenario: 300W telecom rectifier module with 54V input and 12V/48V dual outputs.

IC Role / Device Role / Timing Role: Synchronous rectifier for 48V output stage; handles high dV/dt transients in telecom-grade isolation barriers.

Use Value: Withstands 180V drain spikes and maintains stable 30mV regulation across -40°C to +125°C ambient, ensuring reliability in NEBS-compliant systems.

Use Scenario: 8-port PoE++ switch with integrated 90W per-port DC-DC conversion.

IC Role / Device Role / Timing Role: Secondary-side SR controller for isolated flyback converters powering PoE PD interfaces.

Use Value: Light-load latching reduces idle power to <300μW per port, enabling compliance with IEEE 802.3bt Type 4 standby limits.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
MP6922AGS	SOIC14 package with dedicated LL and RCP pins; higher θ_JA (86°C/W); same electrical specs	Better layout flexibility for discrete RCP divider and adjustable light-load timing; suited for prototyping and multi-rail designs	Select when board space permits larger footprint and explicit control over protection thresholds is required
ONSEMI NCP4306DR2G	Single-channel, 35mV regulation, 40ns turn-off, no RCP pin; SOIC8 package	Lacks reverse-current protection and dual-channel integration; requires two ICs for dual-MOSFET implementation	Choose only for cost-sensitive single-output designs where shoot-through risk is mitigated by topology or external circuitry

Compared with MP6922AGN-P, MP6922AGS offers pin-level configurability at the cost of thermal performance, while NCP4306DR2G sacrifices integration and protection for lower unit cost-making MP6922AGN-P optimal for thermally constrained, high-reliability dual-output LLC converters.

Availability

MP6922AGN-P is available at Aetrix Electronics and suitable for AC-DC adapters, LCD/PDP TV power supplies, and telecom SMPS requiring stable component supply, consistent parametric performance, and long-term lifecycle support.

Supply support for MP6922AGN-P 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 analog and power ICs, with design centers in the US, China, and Taiwan.

The MP6922A product line targets high-efficiency resonant converter applications, specifically engineered to replace Schottky diodes in LLC topologies through precision V_DS-based gate control and integrated protection.

FAQ

What is the maximum allowable drain voltage on VD1/VD2 pins?

The absolute maximum rating for VD1 and VD2 is +180V relative to VS1/VS2. This rating is enabled by an internal high-voltage JFET input stage, allowing direct connection to MOSFET drains in 100–400V output LLC converters without external voltage clamping.

How does the light-load latching function reduce system power consumption?

When MOSFET conduction period falls below 2.2μs, the MP6922AGN-P disables both gate drivers after a 160μs delay, reducing quiescent current to <600μA. This eliminates gate charge/discharge losses and driver bias current, enabling sub-0.5W no-load power in certified adapters.

Can MP6922AGN-P operate in discontinuous conduction mode (DCM)?

Yes - the MP6922AGN-P supports DCM, CrCM, and CCM operation. In DCM, it triggers MOSFET turn-on when V_DS goes negative (<−500mV) due to body-diode conduction, then turns off before current reversal using the 30mV threshold and 20ns delay.

What is the purpose of the RCP pin and how is it configured?

The RCP pin provides a 5V internal reference for reverse-current detection. A resistor divider from VDx to RCP sets the trip threshold; when voltage at RCP exceeds 3.0V, the IC latches both gate drivers for 150μs to prevent shoot-through in center-tapped full-wave rectifiers.

Is the SOIC8E package lead-free and RoHS compliant?

Yes - MP6922AGN-P is fully lead-free and complies with the EU RoHS directive. All MPS products undergo rigorous quality assurance per ISO 9001 and AEC-Q200 stress testing where applicable, with green status verified on the official MPS website.

How does the blanking function improve noise immunity during switching transitions?

The blanking function enforces a 1μs minimum ON-time and temporarily raises the turn-off threshold from +30mV to +100mV during gate turn-on. This prevents false turn-off caused by V_DS ringing, ensuring reliable operation even with high dV/dt (>50V/ns) in fast-switching LLC designs.

MP6922AGN-P Specifications

Product attributes: Attribute value

Manufacturer:: Monolithic Power Systems Inc.

Series:: MP

Package/Case:: 8-SOIC (0.154", 3.90mm Width) Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: -

Applications:: Secondary-Side Controller, Synchronous Rectifier

Voltage - Input:: 24V

Voltage - Supply:: 8V ~ 24V

Current - Supply:: 27 mA

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-SOICE

MP6922AGN-P FAQ

1.How can I place an order for MP6922AGN-P through Aetrix?

Please submit a Request for Quotation (RFQ) for MP6922AGN-P 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 MP6922AGN-P reliable?

The price and inventory of MP6922AGN-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP6922AGN-P is usually 5 days.

3.What payment methods are accepted for MP6922AGN-P?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP6922AGN-P transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MP6922AGN-P?

MP6922AGN-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MP6922AGN-P 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 MP6922AGN-P?

For technical support, including MP6922AGN-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP6922AGN-P requirements.

6.How does Aetrix verify that MP6922AGN-P is sourced from the original manufacturer or authorized distributors?

All MP6922AGN-P 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 MP6922AGN-P meets industry standards.

7.What is the process for return or replacement of MP6922AGN-P?

All MP6922AGN-P units undergo pre-shipment inspection (PSI). If there is an issue with MP6922AGN-P, 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 MP6922AGN-P part is unused and in its original packaging.

Return procedure for MP6922AGN-P:

1.Submit a request within 90 days.

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

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