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Diodes Incorporated DMN2022UCA4-7
- Part No.:
- DMN2022UCA4-7
- Manufacturer:
- Diodes Incorporated
- Category:
- FET, MOSFET Arrays
- Package:
- 4-XFBGA, DSBGA
- Datasheet:
-
DMN2022UCA4-7.pdf
- Description:
- MOSFET 2N-CH 24V 7.8A X4-DSN1717
- Quantity:
- Payment:
- Shipping:
Inventory:2,553
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Product details
Overview
DMN2022UCA4 from Diodes Incorporated is an N-channel enhancement-mode MOSFET in a 1.75 mm × 1.75 mm CSP package, rated for 24 V VSSS, 12 mΩ RSS(ON) at VGS = 4.5 V, and 7.8 A continuous source current at TA = +25°C. It serves as a low-profile load switch or battery protection device in space-constrained portable electronics.
For engineers reviewing the DMN2022UCA4 datasheet, DMN2022UCA4 pinout, DMN2022UCA4 application, or DMN2022UCA4 equivalent, key selection criteria include its ultra-low on-resistance at 2.5–4.5 V gate drive, ESD-protected gate, 0.120 mm profile, and qualification for high-density PCB layouts requiring minimal thermal resistance and fast switching.
Technical Context
This MOSFET employs a trench-gate silicon process optimized for low RSS(ON) while maintaining controlled gate charge (Qg = 12.5 nC) and fast switching (tD(ON) = 0.20 µs, tF = 0.46 µs). Its body diode exhibits VSD = 1.2 V at IS = 6 A with no external gate driver required for logic-level operation.
The device operates across –55°C to +150°C junction temperature, with RθJA = 62°C/W under recommended FR-4 pad layout and 117°C/W on standard board. Thermal performance is validated via transient thermal resistance curves (Figure 13), supporting pulsed-current handling up to 65 A.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VSSS | 24 V - Maximum source-source blocking voltage; defines safe operating range in battery-input circuits. |
| RSS(ON) | 12 mΩ @ VGS = 4.5 V - Enables <100 mW conduction loss at 7.8 A, critical for efficiency in portable power rails. |
| IS (Cont.) | 7.8 A @ TA = +25°C - Sustains full-rated load without derating on compact PCBs with minimal copper area. |
| Qg | 12.5 nC - Low gate charge reduces drive power and enables direct MCU GPIO control without buffer stage. |
| Package | X4-DSN1717-4 - 1.75 mm × 1.75 mm CSP footprint with 0.120 mm height; compatible with fine-pitch automated assembly. |
| VGS(TH) | 0.4–1.4 V - Ensures turn-on at logic-level voltages (e.g., 1.8 V/3.3 V I/O), eliminating need for level-shifting. |
Pinout & Package
Package: X4-DSN1717-4 - ultra-thin chip-scale package with NiAu-plated terminals, moisture sensitivity level 1, and 0.0012 g mass.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Source 1 (S1) | Main current return path | Internally bonded to substrate; primary thermal and electrical reference node for low-inductance layout. |
| Source 2 (S2) | Secondary current return path | Redundant source terminal improving current sharing and reducing effective RSS(ON) in high-frequency switching. |
| Gate (G1) | Control input | ESD-protected gate with ±12 V rating; accepts direct 1.8–4.5 V logic drive without external clamping. |
| Gate (G2) | Redundant gate connection | Provides parallel gate routing option to minimize gate loop inductance for high-dI/dt applications. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low profile | 0.120 mm typical height - enables integration beneath batteries or in stacked modules where Z-axis clearance is ≤0.15 mm. |
| Logic-level gate drive | VGS(TH) down to 0.4 V - ensures reliable turn-on with 1.8 V microcontrollers and eliminates gate driver ICs in wearables. |
| ESD-protected gate | ±12 V VGSS rating with integrated protection diode - withstands handling and board-level ESD events without external TVS. |
| Thermally optimized CSP | RθJA = 62°C/W with recommended pad layout - delivers 2× better thermal performance than comparable SO-8 MOSFETs at same current density. |
Applications
| Battery Protection Circuit | USB-C Load Switch |
|---|---|
Use Scenario: Reverse-current blocking and overcurrent cutoff in single-cell Li-ion battery packs. IC Role / Device Role / Timing Role: Primary power-path MOSFET controlling charge/discharge direction and fault isolation. Use Value: 12 mΩ RSS(ON) limits voltage drop to <94 mV at 7.8 A, preserving battery runtime and enabling accurate coulomb counting. |
Use Scenario: Hot-swap enable/disable of USB-C VBUS in portable docking stations. IC Role / Device Role / Timing Role: Low-side load switch with fast turn-off (<1.3 µs total delay+fall) to prevent bus glitches during plug insertion. Use Value: 12.5 nC Qg allows clean 100 µs switching window using 3.3 V GPIO, meeting USB PD specification timing margins. |
| Wireless Earbud Charging Case | Medical Patch Sensor Power Rail |
Use Scenario: Output power switch for Qi wireless charging receiver output regulating 5 V to 3.3 V battery charging. IC Role / Device Role / Timing Role: High-efficiency synchronous rectifier replacement in buck converter secondary side. Use Value: 0.120 mm height fits within 3.5 mm total case thickness; 7.8 A rating supports fast-charging protocols up to 10 W. |
Use Scenario: Isolated power enable for ultra-low-power biosensor ASICs in disposable wearable patches. IC Role / Device Role / Timing Role: Precision-controlled power gate with leakage <1 µA at 19.2 V to extend shelf life beyond 2 years. Use Value: ISSS ≤1 µA at VSS = 19.2 V ensures <1% annual battery drain in standby, critical for single-use medical devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel load switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMN2022LSD-7 | Same die, but in SOT-23-3 package (3.0 mm × 1.4 mm, 1.1 mm height); RSS(ON) = 13.7 mΩ @ 4.5 V. | Larger footprint and higher thermal resistance (RθJA = 200°C/W) limit use to lower-current (<4 A) or less space-constrained designs. | Select when manual reworkability or legacy SMT line compatibility outweighs size/thermal requirements. |
| AO3414 | SO-8 package, RSS(ON) = 28 mΩ @ 4.5 V, Qg = 5.5 nC, VGS(TH) = 1.0–2.5 V. | Higher threshold requires 2.5 V minimum drive; larger size prevents use in sub-2 mm² layouts. | Choose only if existing SO-8 footprint reuse is mandatory and 28 mΩ losses are acceptable in target efficiency budget. |
Compared with DMN2022LSD-7 and AO3414, the DMN2022UCA4 delivers the lowest RSS(ON) per unit area and smallest Z-height-enabling >30% smaller PCB real estate and 40% lower conduction loss in battery-powered wearables where thermal headroom and volume are constrained.
Availability
DMN2022UCA4 is available at Aetrix Electronics and suitable for battery management systems, USB-C load switching, and medical patch sensor power rails requiring stable component supply, consistent parametric performance, and long-term lifecycle support.
Supply support for DMN2022UCA4 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 DMN2022UCA4 belongs to Diodes' Ultra-Low-Profile Power MOSFET product line, engineered specifically for space- and thermally constrained portable electronics requiring logic-level drive, high current density, and automotive-grade reliability.
FAQ
What is the maximum continuous current rating for DMN2022UCA4 at 70°C ambient?
The DMN2022UCA4 supports 6.3 A continuous source current at TA = +70°C when mounted on FR-4 with 1 inch² copper area (Note 5). This derating reflects thermal limits under realistic board conditions-not just junction temperature-but actual PCB heat dissipation capability.
Does DMN2022UCA4 require external gate resistors for EMI control?
No external gate resistor is required for basic operation due to its low Qg (12.5 nC) and optimized internal gate resistance. However, a 5–10 Ω series resistor is recommended when driving from high-speed GPIOs (>10 MHz edge rates) to damp ringing and reduce radiated emissions in sensitive RF environments.
Is the X4-DSN1717-4 package compatible with standard reflow profiles?
Yes-the X4-DSN1717-4 package is qualified for IPC/JEDEC J-STD-020 Level 1 moisture sensitivity and supports standard lead-free reflow profiles (peak 260°C, 20–40 sec above 217°C). Its NiAu finish ensures robust solderability per MIL-STD-202, Method 208.
Can DMN2022UCA4 be used in reverse-battery protection configurations?
Yes-its symmetric source terminals (S1/S2) and bidirectional VSSS rating allow implementation as a low-loss reverse-polarity protector. When placed in the ground path with gate tied to system ground, it blocks reverse current while adding only 12 mΩ forward path resistance.
DMN2022UCA4-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-XFBGA, DSBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- MOSFET (Metal Oxide)
- Configuration:
- 2 N-Channel, Common Drain
- FET Feature:
- -
- Drain to Source Voltage (Vdss):
- 24V
- Current - Continuous Drain (Id) @ 25°C:
- 7.8A (Ta)
- Rds On (Max) @ Id, Vgs:
- 22mOhm @ 3A, 4.5V
- Vgs(th) (Max) @ Id:
- 1.4V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs:
- 12.5nC @ 4V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1438pF @ 10V
- Power - Max:
- 1W
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X4-DSN1717-4
DMN2022UCA4-7 FAQ
1.How can I place an order for DMN2022UCA4-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DMN2022UCA4-7 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 DMN2022UCA4-7 reliable?
The price and inventory of DMN2022UCA4-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMN2022UCA4-7 is usually 5 days.
3.What payment methods are accepted for DMN2022UCA4-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMN2022UCA4-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DMN2022UCA4-7?
DMN2022UCA4-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DMN2022UCA4-7 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 DMN2022UCA4-7?
For technical support, including DMN2022UCA4-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMN2022UCA4-7 requirements.
6.How does Aetrix verify that DMN2022UCA4-7 is sourced from the original manufacturer or authorized distributors?
All DMN2022UCA4-7 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 DMN2022UCA4-7 meets industry standards.
7.What is the process for return or replacement of DMN2022UCA4-7?
All DMN2022UCA4-7 units undergo pre-shipment inspection (PSI). If there is an issue with DMN2022UCA4-7, 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 DMN2022UCA4-7 part is unused and in its original packaging.
Return procedure for DMN2022UCA4-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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