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Diodes Incorporated DMPH4029LFGQ-13
- Part No.:
- DMPH4029LFGQ-13
- Manufacturer:
- Diodes Incorporated
- Category:
- FETs, MOSFETs
- Package:
- 8-PowerVDFN
- Datasheet:
-
DMPH4029LFGQ-13.pdf
- Description:
- MOSFET P-CH 40V 8A/22A PWRDI3333
- Quantity:
- Payment:
- Shipping:
Inventory:5,318
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Product details
Overview
DMPH4029LFGQ-13 from Diodes Incorporated is a P-channel enhancement-mode MOSFET rated for -40V VDSS, 29 mΩ RDS(ON) @ VGS = -10V, and -8.0 A continuous drain current at TA = +25°C. It operates up to +175°C junction temperature and is AEC-Q101 qualified for automotive power-management functions including DC-DC converters and backlighting circuits.
For engineers reviewing the DMPH4029LFGQ-13 datasheet, DMPH4029LFGQ-13 pinout, DMPH4029LFGQ-13 application, or DMPH4029LFGQ-13 equivalent, this part's thermal robustness, low on-resistance at -4.5V gate drive, and PowerDI3333-8 package footprint are critical selection criteria in space-constrained, high-ambient automotive modules.
Technical Context
This MOSFET employs a trench-gate silicon process optimized for low RDS(ON) and fast switching with Qg = 34 nC at VGS = -10V and Qgd = 6.0 nC. Its body diode exhibits tRR = 17.3 ns and QRR = 7.2 nC under IF = -3A, di/dt = 100 A/μs - enabling efficient synchronous rectification in buck converters.
The device is characterized for operation across -55°C to +175°C, with RDS(ON) normalized to 1.0 at 25°C and rising to ~1.4× at 150°C (VGS = -4.5V). Its 100% unclamped inductive switching (UIS) test ensures ruggedness in load-dump and motor-control transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | -40 V - Maximum blocking voltage in off-state; supports 24V automotive systems with margin against load-dump spikes. |
| RDS(ON) | 29 mΩ @ VGS = -10V - Enables <1.2 W conduction loss at 8 A DC, critical for thermally constrained PCB layouts. |
| ID (TA = 25°C) | -8.0 A - Continuous current rating with standard FR-4 mounting; derates to -6.7 A at 70°C ambient. |
| TJ max | +175°C - Rated junction temperature allows operation in engine-bay or under-hood environments without forced cooling. |
| Qg | 34 nC @ VGS = -10V - Gate charge determines driver strength requirement; enables <100 ns turn-off delay with 3 Ω gate resistor. |
| Ciss | 1626 pF - Input capacitance impacts gate-drive loop stability and EMI in high-frequency switching (>500 kHz). |
| tRR | 17.3 ns - Fast body-diode recovery reduces shoot-through risk and switching losses in half-bridge topologies. |
Pinout & Package
Package: PowerDI®3333-8, surface-mount, thermally enhanced plastic package with exposed drain pad (pins 1–3 and 6–8 are source; pin 4 is gate; pins 5 and 7 are drain). Dimensions: 3.30 mm × 3.30 mm × 0.80 mm; moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 6, 7, 8 | Source (S) | Common source connection; six parallel terminals reduce source inductance and improve current sharing in high-di/dt applications. |
| 4 | Gate (G) | Control terminal; requires negative VGS for turn-on; 11 Ω gate resistance limits ringing during switching transitions. |
| 5, 7 (shared) | Drain (D) | Main power path; dual drain terminals connect to exposed copper pad for low thermal resistance (RθJA = 54 °C/W with 2 oz copper thermal bias). |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification & PPAP support | Validated for automotive production use with full change control, IATF 16949 manufacturing, and traceable lot documentation. |
| 100% UIS tested | Each unit passes unclamped inductive switching stress at IAS = -25 A and EAS = 32 mJ - ensuring reliability in inductive load switching. |
| Low RDS(ON) at -4.5V | 45 mΩ @ VGS = -4.5V enables logic-level gate drive compatibility with 5V microcontrollers in auxiliary power rails. |
| PowerDI3333-8 footprint | Occupies only 33% board area of SO-8; 0.034 g weight and 3.3 mm × 3.3 mm size support ultra-compact DC-DC modules. |
| Green, RoHS-compliant construction | Halogen- and antimony-free (<900 ppm Br/Cl, <1000 ppm Sb); matte tin plating ensures solderability per MIL-STD-202 Method 208. |
Applications
| Automotive LED Backlighting | 12V-to-5V Buck Converter |
|---|---|
|
Use Scenario: Driving high-brightness LED strings in instrument clusters and center displays using PWM dimming. IC Role / Device Role / Timing Role: High-side P-channel switch controlling LED cathode return path; synchronized with controller PWM signal. Use Value: Low 29 mΩ RDS(ON) minimizes heat generation in sealed display enclosures; +175°C rating prevents thermal shutdown during prolonged operation. |
Use Scenario: Primary high-side switch in non-synchronous buck regulator powering infotainment SoCs. IC Role / Device Role / Timing Role: Main power switch operating at 250–500 kHz; body diode conducts during low-side interval. Use Value: 17.3 ns tRR and 7.2 nC QRR reduce reverse-recovery losses by >30% versus standard automotive MOSFETs, improving efficiency at light loads. |
| Engine Control Unit (ECU) Power Sequencing | Body Control Module (BCM) Load Switch |
|
Use Scenario: Enabling/disabling 5V and 3.3V rails in multi-rail ECUs during cold-cranking and wake-up events. IC Role / Device Role / Timing Role: Controlled high-side power switch with soft-start capability via gate resistor network. Use Value: -40V VDSS withstands ISO 7637-2 pulse 5a (load dump up to +35V), eliminating need for external TVS clamping. |
Use Scenario: Solid-state replacement for mechanical relays controlling door locks, window motors, and interior lighting. IC Role / Device Role / Timing Role: Low-side or high-side load switch with integrated overtemperature and short-circuit protection. Use Value: 100% UIS-tested ruggedness ensures survival during inductive kickback from solenoid actuation without snubber networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar P-channel automotive MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMTH4007LPSQ-13 | RDS(ON) = 7.0 mΩ @ -10V; higher ID = -24 A; larger PowerDI5060 package (5.0 × 6.0 mm). | Better suited for high-current DC-DC stages where thermal headroom exceeds 2.8 W; not footprint-compatible. | Select when peak current >12 A is required and board space permits larger package. |
| DMG2307L-7 | RDS(ON) = 45 mΩ @ -4.5V; smaller SOT-23 package; no AEC-Q101 qualification or UIS testing. | Limited to non-safety-critical consumer or industrial loads below 2 A; unsuitable for automotive PPAP programs. | Choose only for cost-sensitive, non-automotive prototypes where qualification and ruggedness are not required. |
Compared with DMTH4007LPSQ-13 and DMG2307L-7, DMPH4029LFGQ-13 uniquely balances AEC-Q101 compliance, 3.3 mm × 3.3 mm footprint, and 29 mΩ on-resistance - making it optimal for space-constrained, production-grade automotive power switches where thermal and reliability margins are tightly specified.
Availability
DMPH4029LFGQ-13 is available at Aetrix Electronics and suitable for automotive LED backlighting, 12V-to-5V buck converters, and ECU power sequencing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for DMPH4029LFGQ-13 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, specializing in high-reliability components for automotive, industrial, and computing markets.
This MOSFET belongs to Diodes' AEC-Q101-qualified PowerMOS family, engineered specifically for automotive power management where thermal resilience, small footprint, and production traceability are mandatory.
FAQ
What is the maximum allowable gate-source voltage for DMPH4029LFGQ-13?
The absolute maximum VGS is ±20 V per the datasheet's Maximum Ratings table. Exceeding this risks permanent gate oxide damage. For reliable operation, gate drive should be limited to -10 V for full enhancement and -4.5 V for logic-level compatibility, both well within safe margin.
Does DMPH4029LFGQ-13 require a gate resistor, and if so, what value is recommended?
Yes - a series gate resistor is required to dampen ringing and control dV/dt. With measured Rg = 11 Ω and typical gate charge of 34 nC, a 3–10 Ω resistor provides optimal trade-off between switching speed and EMI suppression in 250–500 kHz automotive DC-DC applications.
How does the PowerDI3333-8 package compare thermally to SO-8 for this MOSFET?
With proper 2 oz copper thermal bias, the PowerDI3333-8 achieves RθJA = 54 °C/W - 57% lower than SO-8's typical 125 °C/W. This allows 2.8 W power dissipation at TA = 70°C versus ~1.2 W in SO-8, enabling higher current density without heatsinks.
Is DMPH4029LFGQ-13 suitable for synchronous rectification in a buck converter?
No - its body diode recovery time (tRR = 17.3 ns) and QRR = 7.2 nC are optimized for non-synchronous operation. For synchronous rectification, a dedicated low-QRR N-channel MOSFET with <5 ns tRR is required; this part serves best as the high-side switch only.
DMPH4029LFGQ-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 8-PowerVDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- P-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 40 V
- Current - Continuous Drain (Id) @ 25°C:
- 8A (Ta), 22A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 29mOhm @ 3A, 10V
- Vgs(th) (Max) @ Id:
- 3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 34 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1626 pF @ 20 V
- FET Feature:
- -
- Power Dissipation (Max):
- 1.2W (Ta)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- POWERDI3333-8
DMPH4029LFGQ-13 FAQ
1.How can I place an order for DMPH4029LFGQ-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DMPH4029LFGQ-13 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 DMPH4029LFGQ-13 reliable?
The price and inventory of DMPH4029LFGQ-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMPH4029LFGQ-13 is usually 5 days.
3.What payment methods are accepted for DMPH4029LFGQ-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMPH4029LFGQ-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DMPH4029LFGQ-13?
DMPH4029LFGQ-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DMPH4029LFGQ-13 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 DMPH4029LFGQ-13?
For technical support, including DMPH4029LFGQ-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMPH4029LFGQ-13 requirements.
6.How does Aetrix verify that DMPH4029LFGQ-13 is sourced from the original manufacturer or authorized distributors?
All DMPH4029LFGQ-13 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 DMPH4029LFGQ-13 meets industry standards.
7.What is the process for return or replacement of DMPH4029LFGQ-13?
All DMPH4029LFGQ-13 units undergo pre-shipment inspection (PSI). If there is an issue with DMPH4029LFGQ-13, 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 DMPH4029LFGQ-13 part is unused and in its original packaging.
Return procedure for DMPH4029LFGQ-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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