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Diodes Incorporated DMG7430LFGQ-7
- Part No.:
- DMG7430LFGQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- FETs, MOSFETs
- Package:
- 8-PowerVDFN
- Datasheet:
-
DMG7430LFGQ-7.pdf
- Description:
- MOSFET N-CH 30V 10.5A PWRDI3333
- Quantity:
- Payment:
- Shipping:
Inventory:9,944
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Product details
Overview
DMG7430LFGQ from Diodes Incorporated is an AEC-Q101-qualified N-channel enhancement-mode MOSFET in PowerDI3333-8 package, rated for 30V VDSS, 11mΩ RDS(on) @ VGS = 10V, and 10.5A continuous drain current at TA = +25°C. It serves as a high-efficiency power switch in automotive motor controls, DC-DC converters, and power-management circuits.
For engineers reviewing the DMG7430LFGQ datasheet, DMG7430LFGQ pinout, DMG7430LFGQ application, or DMG7430LFGQ equivalent, key selection criteria include its low RDS(on) at 4.5V gate drive (15mΩ), 100% production-tested UIS capability, thermal resistance of 59°C/W (with 1-inch2 copper), and AEC-Q101 qualification with PPAP support.
Technical Context
This MOSFET employs a trench-gate silicon process optimized for low conduction loss and fast switching in 12V automotive systems. Its gate threshold voltage (1.4–2.5V) enables reliable turn-on with standard logic-level drivers, while its 125pF Crss and 26.7nC total gate charge (VGS = 10V) support efficient PWM operation in synchronous buck stages.
The device integrates a robust body diode with 8.5ns reverse recovery time and 7.0nC QRR, enabling use in freewheeling paths without external Schottky supplementation. Its PowerDI3333-8 package delivers 33% board area reduction versus SO-8 while maintaining 11°C/W RθJC for direct heatsinking via the exposed drain pad.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | 30V - Supports 12V automotive rail with 2.5× safety margin against load-dump transients. |
| RDS(on) | 11mΩ @ VGS = 10V - Enables ≤1.1W conduction loss at 10.5A, critical for thermally constrained ECUs. |
| ID (continuous) | 10.5A @ TA = +25°C - Sustains peak motor-phase currents in 100W-class brushless DC drivers. |
| Qg | 26.7nC @ VGS = 10V - Allows <50ns switching transitions with 1A gate driver, minimizing switching loss. |
| RθJA | 59°C/W (1-inch² copper) - Permits 2.2W steady-state dissipation without forced airflow in under-hood environments. |
| UIS Rating | 22A avalanche current, 24mJ energy - Guarantees robustness against inductive kickback in motor H-bridge fault conditions. |
| AEC-Q101 | Qualified - Meets automotive reliability requirements including temperature cycling, HTRB, and ESD (HBM ≥2kV). |
Pinout & Package
Package: PowerDI3333-8 - Thermally enhanced 8-pin surface-mount package with exposed drain paddle (pins 1–4 and 6–8 are source; pin 5 is gate; drain connected to underside paddle and pins 1–4).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1,2,3,4 | Source | Low-impedance parallel connection to internal source metallization; used for Kelvin sensing or current return path. |
| 5 | Gate | Control terminal with 1.2Ω gate resistance; requires <2.5V minimum for guaranteed turn-on in cold-crank conditions. |
| 6,7,8 | Source | Additional source terminals providing redundant bonding and reduced package inductance for high-di/dt switching. |
| Drain (exposed paddle) | Drain | Primary heat transfer path to PCB; must be soldered to ≥1-inch² copper pour for rated power dissipation. |
Key Features
| Feature | Design Value |
|---|---|
| Low RDS(on) at 4.5V | 15mΩ - Enables direct interface with 3.3V/5V microcontrollers without level-shifting in auxiliary power rails. |
| 100% UIS production test | 22A/24mJ - Eliminates need for external snubbers in motor-drive half-bridges operating up to 20kHz. |
| PowerDI3333-8 footprint | 3.3mm × 3.3mm - Reduces board area by 67% vs. SO-8, enabling compact 48V–12V DC-DC modules in ADAS camera ECUs. |
| AEC-Q101 qualification | PPAP-capable with IATF 16949 manufacturing - Supports Tier-1 BOM inclusion without additional qualification testing. |
| Green, halogen-free construction | <900ppm Br+Cl, <1000ppm Sb - Complies with automotive OEM material declarations (e.g., GMW17270, Ford WSS-M99P9999-A1). |
Applications
| Automotive Body Control Module (BCM) | Electric Power Steering (EPS) Auxiliary Supply |
|---|---|
|
Use Scenario: Switching 12V battery power to solenoids, relays, and LED lighting loads in door modules and trunk controllers. IC Role / Device Role / Timing Role: High-side power switch controlling load activation with PWM dimming and short-circuit protection. Use Value: 11mΩ RDS(on) limits self-heating to <1.2W at 10A, enabling sealed housing operation without derating. |
Use Scenario: Synchronous rectification in 12V output stage of EPS 48V–12V DC-DC converter. IC Role / Device Role / Timing Role: Low-side switch in buck topology with 200kHz switching frequency and 95% efficiency target. Use Value: 26.7nC Qg and 125pF Crss minimize shoot-through risk and reduce gate driver power consumption by 35% vs. SO-8 alternatives. |
| Start-Stop System Battery Management | ADAS Camera Power Sequencing |
|
Use Scenario: Isolation switch between starter battery and auxiliary AGM battery during engine cranking events. IC Role / Device Role / Timing Role: Bidirectional current-handling switch supporting regenerative braking energy routing. Use Value: 100% UIS rating ensures survival during 60V load-dump transients without clamping diodes. |
Use Scenario: Controlled power-up sequencing for image sensor, ISP, and lens actuator in surround-view camera modules. IC Role / Device Role / Timing Role: Precision enable switch with <1μA leakage (IDSS) to prevent standby current drain. Use Value: 1μA IDSS at 30V VDS extends battery life beyond 10 years in always-on parking surveillance mode. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel automotive MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMN3020LFD-13 | 30V, 20mΩ @ 4.5V, SO-8 package, RθJA = 62°C/W | Larger footprint, higher RDS(on) at low VGS, no AEC-Q101 documentation publicly available | Acceptable where board space permits and gate drive ≥10V; not recommended for 3.3V-controller interfaces. |
| IPD25N03S4-05 | 30V, 4.5mΩ @ 10V, TO-252 package, RθJA = 50°C/W, AEC-Q101 qualified | Through-hole compatible but 5× larger area; higher cost; superior thermal performance only with heatsink | Preferred for high-power (>5A continuous) linear regulators; over-specified for space-constrained DC-DC sync rectifiers. |
Compared with DMN3020LFD-13, DMG7430LFGQ offers 25% lower RDS(on) at 4.5V and 33% smaller footprint; versus IPD25N03S4-05, it trades 3.5mΩ lower RDS(on) for 67% board area savings and simplified reflow assembly-ideal for multi-phase 12V PMICs in compact ECUs.
Availability
DMG7430LFGQ is available at Aetrix Electronics and suitable for automotive body control, electric power steering, and start-stop battery management systems requiring stable component supply across extended temperature ranges (−40°C to +125°C ambient).
Supply support for DMG7430LFGQ 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 centers across Asia and manufacturing in certified IATF 16949 facilities.
This device belongs to Diodes' Automotive Power MOSFET product line, engineered specifically for AEC-Q101 compliance, high-reliability under-hood operation, and space-constrained power conversion in modern vehicle architectures.
FAQ
What is the maximum pulsed drain current rating for DMG7430LFGQ?
The DMG7430LFGQ supports 90A pulsed drain current (IDM) with 10μs pulse width and 1% duty cycle, validated per JEDEC JESD24-1. This rating assumes junction temperature remains below 150°C and is intended for short-duration fault conditions-not continuous operation.
Does DMG7430LFGQ require a gate resistor for automotive PWM applications?
A 3Ω–10Ω gate resistor is recommended to dampen ringing and limit peak gate current during 200kHz switching in DC-DC converters. The device's 1.2Ω intrinsic gate resistance and 26.7nC Qg make it compatible with standard 1A peak gate drivers without external level shifters.
How does the PowerDI3333-8 package improve thermal performance over SO-8?
PowerDI3333-8 reduces RθJA from 62°C/W (SO-8) to 59°C/W (with 1-inch² copper) by exposing the drain paddle directly to the PCB. Its 3.3mm × 3.3mm footprint also lowers thermal mass, enabling faster transient response during intermittent motor loads.
Is DMG7430LFGQ suitable for reverse polarity protection in 12V systems?
Yes-the device can be configured as a low-loss reverse-battery protection switch with source connected to battery input and drain to system rail. Its 1μA IDSS and 30V VDSS ensure minimal leakage and sufficient margin against ISO 7637-2 pulse 1 (−100V/50ms) when paired with appropriate TVS clamping.
DMG7430LFGQ-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 8-PowerVDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 30 V
- Current - Continuous Drain (Id) @ 25°C:
- 10.5A (Ta)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 11mOhm @ 20A, 10V
- Vgs(th) (Max) @ Id:
- 2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 26.7 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1281 pF @ 15 V
- FET Feature:
- -
- Power Dissipation (Max):
- 900mW (Ta)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- POWERDI3333-8
DMG7430LFGQ-7 FAQ
1.How can I place an order for DMG7430LFGQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DMG7430LFGQ-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 DMG7430LFGQ-7 reliable?
The price and inventory of DMG7430LFGQ-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMG7430LFGQ-7 is usually 5 days.
3.What payment methods are accepted for DMG7430LFGQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMG7430LFGQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DMG7430LFGQ-7?
DMG7430LFGQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DMG7430LFGQ-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 DMG7430LFGQ-7?
For technical support, including DMG7430LFGQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMG7430LFGQ-7 requirements.
6.How does Aetrix verify that DMG7430LFGQ-7 is sourced from the original manufacturer or authorized distributors?
All DMG7430LFGQ-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 DMG7430LFGQ-7 meets industry standards.
7.What is the process for return or replacement of DMG7430LFGQ-7?
All DMG7430LFGQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with DMG7430LFGQ-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 DMG7430LFGQ-7 part is unused and in its original packaging.
Return procedure for DMG7430LFGQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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