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Diodes Incorporated DMN2992UFZ-7B
- Part No.:
- DMN2992UFZ-7B
- Manufacturer:
- Diodes Incorporated
- Category:
- FETs, MOSFETs
- Package:
- 3-XFDFN
- Datasheet:
-
DMN2992UFZ-7B.pdf
- Description:
- MOSFET BVDSS: 8V~24V X2-DFN0606-
- Quantity:
- Payment:
- Shipping:
Inventory:3,707
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Product details
Overview
DMN2992UFZ-7B from Diodes Incorporated is a 20V N-channel enhancement-mode MOSFET in a 0.62mm × 0.62mm X2-DFN0606-3 package, featuring 0.99Ω RDS(ON) at VGS = 4.5V, 1.0V max gate threshold voltage, and ESD-protected gate. It serves as a low-voltage load switch in space-constrained power-management circuits such as battery-powered sensor nodes and USB port protection.
For engineers reviewing the DMN2992UFZ-7B datasheet, DMN2992UFZ-7B pinout, DMN2992UFZ-7B application, or DMN2992UFZ-7B equivalent, key selection criteria include ultra-low VGS(TH), sub-1Ω on-resistance at 1.8V drive, thermal resistance of 295°C/W, and compatibility with 0.4mm maximum profile PCB layouts.
Technical Context
This MOSFET uses planar silicon process technology optimized for low-voltage logic-level gate drive, enabling full enhancement at VGS ≥ 1.5V. Its RDS(ON) remains ≤2.4Ω down to VGS = 1.5V, supporting direct interfacing with 1.8V and 2.5V microcontroller GPIOs without level-shifting.
The device integrates an intrinsic body diode with 0.7–1.0V forward voltage at 150mA and exhibits Ciss = 15.6pF, Coss = 5.4pF, and Qg = 0.41nC - parameters that support fast switching (tr = 4.5ns) while minimizing capacitive losses in high-frequency DC-DC control paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | 20V - supports input rails up to 16V after derating, suitable for single-cell Li-ion and 3.3V/5V system bus switching |
| RDS(ON) | 0.99Ω @ VGS = 4.5V - delivers <450mW conduction loss at 500mA, enabling thermally safe operation on FR-4 without heatsinking |
| VGS(TH) | 0.4–1.0V - ensures reliable turn-on with 1.8V I/O domains and eliminates need for external gate drivers in low-power logic interfaces |
| ID (max) | 530mA @ TA = 25°C - sufficient for driving LED strings, small solenoids, or bias rails in portable instrumentation |
| RθJA | 295°C/W - defines thermal limit of ~150°C junction rise under 420mW steady-state dissipation on minimal pad layout |
| Ciss | 15.6pF - contributes to low gate-drive energy (Qg = 0.41nC), reducing MCU GPIO stress during frequent switching cycles |
Pinout & Package
Package: X2-DFN0606-3 - 0.62mm × 0.62mm footprint, 0.4mm max height, 3-terminal leadless plastic package with NiPdAu-plated copper leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Source) | Current return path for channel conduction | Internally connected to exposed thermal pad; must be soldered to PCB ground plane for thermal and electrical integrity |
| 2 (Gate) | Control electrode for channel modulation | ESD-protected input requiring no external clamping; driven directly by 1.8V–4.5V logic outputs |
| 3 (Drain) | High-side current output node | Connected to load supply rail; handles bidirectional current during body-diode conduction in flyback or reverse-polarity protection |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low gate threshold | VGS(TH) ≤ 1.0V enables robust turn-on with 1.8V MCUs and eliminates bootstrapping in compact power switches |
| Sub-milliohm RDS(ON) at low VGS | 1.8Ω @ VGS = 1.8V allows efficient 3.3V rail switching without gate boosting circuitry |
| 0.4mm max package height | Enables use in ultra-thin wearables and stacked PCB assemblies where Z-height is constrained to <0.5mm |
| ESD-protected gate | HBM rating ≥ 2kV per JESD22-A114 - reduces need for external TVS on gate traces in handheld ESD-prone environments |
| Halogen- and antimony-free | Meets IPC-1752A Class 3 reporting requirements for green electronics compliance in EU and APAC markets |
Applications
| USB Port Power Switching | Low-Voltage Sensor Bias Control |
|---|---|
|
Use Scenario: Enabling/disabling VBUS power to downstream USB peripherals in portable medical monitors. IC Role / Device Role / Timing Role: Load switch controlling 5V rail delivery with <10μs turn-on delay and zero reverse-current leakage. Use Value: Prevents backfeed into host controller during hot-plug events while maintaining <0.5V drop at 300mA load current. |
Use Scenario: Activating analog front-end bias for MEMS accelerometers in battery-operated IoT edge nodes. IC Role / Device Role / Timing Role: Precision enable switch sequencing bias voltage to sensor ICs only during active measurement windows. Use Value: Reduces quiescent current by >95% versus always-on LDO, extending coin-cell life beyond 3 years. |
| Li-ion Battery Protection FET | GPIO-Driven LED Indicator Driver |
|
Use Scenario: Secondary over-discharge protection switch in single-cell battery packs for Bluetooth earbuds. IC Role / Device Role / Timing Role: Low-RDS(ON) series switch placed between cell cathode and load, controlled by fuel-gauge IC. Use Value: Limits voltage drop to <150mV at 400mA discharge, preserving usable capacity and avoiding false low-battery triggers. |
Use Scenario: Driving status LEDs on smart home hubs with mixed 1.8V/3.3V logic domains. IC Role / Device Role / Timing Role: Current-sinking switch interfacing MCU GPIO to common-anode LED arrays. Use Value: Eliminates need for discrete base resistors and level shifters, reducing BOM count by two components per LED channel. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-voltage N-channel MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMN2004LK3-7 | RDS(ON) = 1.2Ω @ VGS = 2.5V; larger 1.0mm × 1.0mm SOT-723 package; higher 350mW PD | Better thermal margin but 2.5× footprint area; requires re-layout for space-constrained designs | Select when board real estate permits and higher continuous current (>600mA) is needed |
| AO3414 | RDS(ON) = 50mΩ @ VGS = 4.5V; SO-23 package; VGS(TH) = 0.7–1.4V; no ESD protection | Lower on-resistance but lacks integrated ESD guard; incompatible with 1.8V logic due to higher VGS(TH) min | Select for 3.3V/5V systems where gate drive voltage ≥4.5V and external ESD protection is already present |
Compared with DMN2992UFZ-7B, DMN2004LK3-7 trades size for thermal headroom, while AO3414 sacrifices gate-drive compatibility and ESD robustness for lower RDS(ON) - making DMN2992UFZ-7B optimal for miniaturized 1.8V–2.5V logic-switched loads where reliability and footprint are primary constraints.
Availability
DMN2992UFZ-7B is available at Aetrix Electronics and suitable for USB power switching, sensor bias control, Li-ion battery protection, and GPIO-driven LED driver applications requiring stable component supply across production lifecycles.
Supply support for DMN2992UFZ-7B 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.
The DMN2992UFZ-7B belongs to Diodes' X2-DFN logic-level MOSFET product line, engineered specifically for ultra-compact, low-voltage power switching in portable and battery-powered electronics where gate drive voltage and board area are critical constraints.
FAQ
What is the maximum continuous drain current for DMN2992UFZ-7B at 85°C ambient?
The maximum continuous drain current is 430mA at TA = +85°C, as specified in the Absolute Maximum Ratings table. This value assumes mounting on an FR-4 PCB with minimum recommended pad layout and accounts for thermal derating due to reduced heat dissipation at elevated ambient temperatures.
Does DMN2992UFZ-7B require external gate resistors for ESD protection?
No - the device features an integrated ESD protection structure on the gate terminal rated to ≥2kV HBM per JESD22-A114. External gate resistors are unnecessary for ESD mitigation, though a small series resistor (≤10Ω) may be used to dampen ringing in high-speed switching applications.
Can DMN2992UFZ-7B be used in reverse-biased configurations?
Yes - its intrinsic body diode supports source-to-drain conduction with VSD = 0.7–1.0V at 150mA. It is suitable for reverse-polarity protection and flyback energy recirculation, provided peak reverse current stays within the 1500mA pulsed rating and junction temperature remains below 150°C.
Is the X2-DFN0606-3 package compatible with standard reflow profiles?
Yes - the package is qualified to JEDEC J-STD-020 moisture sensitivity level 1 and supports standard Pb-free reflow profiles (peak temperature ≤260°C). The NiPdAu finish ensures reliable solderability per MIL-STD-202, Method 208, with no special pre-bake required for dry storage conditions.
DMN2992UFZ-7B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 3-XFDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 20 V
- Current - Continuous Drain (Id) @ 25°C:
- 530mA (Ta)
- Drive Voltage (Max Rds On, Min Rds On):
- 1.5V, 4.5V
- Rds On (Max) @ Id, Vgs:
- 990mOhm @ 100mA, 4.5V
- Vgs(th) (Max) @ Id:
- 1V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 0.41 nC @ 4.5 V
- Vgs (Max):
- ±8V
- Input Capacitance (Ciss) (Max) @ Vds:
- 15.6 pF @ 16 V
- FET Feature:
- -
- Power Dissipation (Max):
- 420mW (Ta)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X2-DFN0606-3
DMN2992UFZ-7B FAQ
1.How can I place an order for DMN2992UFZ-7B through Aetrix?
Please submit a Request for Quotation (RFQ) for DMN2992UFZ-7B 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 DMN2992UFZ-7B reliable?
The price and inventory of DMN2992UFZ-7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMN2992UFZ-7B is usually 5 days.
3.What payment methods are accepted for DMN2992UFZ-7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMN2992UFZ-7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DMN2992UFZ-7B?
DMN2992UFZ-7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DMN2992UFZ-7B 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 DMN2992UFZ-7B?
For technical support, including DMN2992UFZ-7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMN2992UFZ-7B requirements.
6.How does Aetrix verify that DMN2992UFZ-7B is sourced from the original manufacturer or authorized distributors?
All DMN2992UFZ-7B 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 DMN2992UFZ-7B meets industry standards.
7.What is the process for return or replacement of DMN2992UFZ-7B?
All DMN2992UFZ-7B units undergo pre-shipment inspection (PSI). If there is an issue with DMN2992UFZ-7B, 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 DMN2992UFZ-7B part is unused and in its original packaging.
Return procedure for DMN2992UFZ-7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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