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Diodes Incorporated DMC4029SSDQ-13
- Part No.:
- DMC4029SSDQ-13
- Manufacturer:
- Diodes Incorporated
- Category:
- FET, MOSFET Arrays
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DMC4029SSDQ-13.pdf
- Description:
- MOSFET N/P-CH 40V 9A 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,339
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Product details
Overview
DMC4029SSDQ-13 from Diodes Incorporated is a complementary pair enhancement-mode MOSFET in SO-8 package, integrating one 40V/9.0A N-channel and one –40V/–6.5A P-channel device with RDS(ON) of 24mΩ @ 10V (Q2) and 45mΩ @ –10V (Q1), optimized for synchronous buck converters and dual-rail power management in portable electronics.
For engineers reviewing the DMC4029SSDQ-13 datasheet, DMC4029SSDQ-13 pinout, DMC4029SSDQ-13 application, or DMC4029SSDQ-13 equivalent, this part supports high-efficiency DC-DC conversion where low gate charge (Qg = 19.1nC / 21.5nC), fast switching (tF = 4.8ns / 25.5ns), and thermally robust SO-8 packaging are critical for compact power stage design.
Technical Context
This dual-MOSFET integrates matched N- and P-channel silicon die in a single SO-8 package, enabling half-bridge and level-shifted gate drive topologies without external pairing. Its complementary threshold voltages (VGS(TH) = +1.0 to +3.0V / –1.0 to –3.0V) support direct logic-level control with minimal dead-time risk.
The device features low input capacitance (Ciss = 1060pF / 1154pF), asymmetric gate resistance (Rg = 1.6Ω / 12.6Ω), and body diode recovery times under 11ns-critical for minimizing shoot-through loss and reverse-recovery oscillation in synchronous rectification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| BVDSS | 40V (Q2) / –40V (Q1): Supports 12V–24V input rails with 2× safety margin against transients. |
| RDS(ON) @ VGS=10V | 24mΩ (Q2) / 45mΩ (Q1): Enables ≤1.5W conduction loss at 7A continuous current in thermal-limited layouts. |
| Qg (10V) | 19.1nC (Q2) / 21.5nC (Q1): Reduces gate driver power demand and enables >1MHz switching in high-frequency converters. |
| tRR | 10.5ns (Q2) / 9.61ns (Q1): Minimizes reverse-recovery energy loss during hard commutation in synchronous buck stages. |
| RθJA | 71°C/W (steady-state, 1in² copper): Allows 1.1W dissipation at +70°C ambient-sufficient for 5A load in standard PCB layout. |
| Ciss | 1060pF (Q2) / 1154pF (Q1): Low input capacitance reduces Miller effect and improves EMI performance in fast-switching designs. |
Pinout & Package
Package: SO-8, surface-mount, lead-free, halogen-free molded plastic (UL 94V-0), moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| S1 | Source of Q1 (P-channel) | Common source node for high-side P-MOSFET; connects to input rail in high-side switch configuration. |
| G1 | Gate of Q1 (P-channel) | Control terminal for P-MOSFET; requires negative voltage relative to S1 for turn-on in standard configurations. |
| D1 | Drain of Q1 (P-channel) | Output node for high-side switch; ties to load or inductor node in buck/high-side applications. |
| S2 | Source of Q2 (N-channel) | Common source node for low-side N-MOSFET; typically grounded or tied to return path in synchronous rectifier. |
| G2 | Gate of Q2 (N-channel) | Logic-level compatible control terminal; drives directly from PWM controller with <3.0V threshold. |
| D2 | Drain of Q2 (N-channel) | Switching node shared with D1; forms common drain connection for complementary half-bridge operation. |
Key Features
| Feature | Design Value |
|---|---|
| Complementary channel pairing | Matched thermal and electrical characteristics between N- and P-channel devices enable balanced half-bridge timing and reduced layout asymmetry. |
| Low RDS(ON) at 4.5V | 32mΩ (Q2) / 55mΩ (Q1) allows efficient operation from 5V logic supplies without gate boosting circuitry. |
| Fast body diode recovery | tRR < 11ns minimizes voltage spikes and cross-conduction losses during dead-time transitions in synchronous converters. |
| JEDEC-qualified reliability | Qualified to AEC-Q101 stress test standards for high-reliability industrial and automotive power applications. |
Applications
| DC-DC Buck Converter | USB-C Power Delivery |
|---|---|
|
Use Scenario: Primary switching pair in 12V-to-5V/3.3V synchronous buck regulator for embedded systems. IC Role / Device Role / Timing Role: Q1 acts as high-side switch; Q2 serves as synchronous rectifier-coordinated by PWM controller with precise dead-time control. Use Value: Combined RDS(ON) and low Qg reduce conduction and switching losses, achieving >94% efficiency at 5A output. |
Use Scenario: Input protection and power-path control in USB-C PD sink applications with dual-voltage rail support. IC Role / Device Role / Timing Role: Q1 controls VBUS high-side enable; Q2 manages VCONN or auxiliary power switching with independent gate control. Use Value: Complementary thresholds and SO-8 footprint simplify dual-rail sequencing while meeting USB-IF thermal derating requirements. |
| LED Backlight Driver | Industrial Motor Control |
|
Use Scenario: High-side current regulation and PWM dimming in multi-string LCD backlight systems. IC Role / Device Role / Timing Role: Q1 functions as constant-current source switch; Q2 provides fast discharge path for LED string flyback energy. Use Value: Low Ciss and fast tF (4.8ns) suppress ringing during 20kHz+ PWM dimming, reducing EMI filter size. |
Use Scenario: H-bridge half-leg in 24V brushed DC motor drivers for factory automation I/O modules. IC Role / Device Role / Timing Role: Q1/Q2 form one leg of full H-bridge; driven by isolated gate driver with independent PWM inputs. Use Value: Matched RDS(ON) tolerance and JEDEC qualification ensure consistent torque response and long-term reliability in cyclic duty. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar complementary MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMC3029LSDQ-7 | 30V rating, lower RDS(ON) (15mΩ/28mΩ), higher ID (12A/–8A), same SO-8 package. | Better suited for ≤12V input systems requiring higher current density and lower conduction loss. | Select when input voltage is capped at 15V and thermal budget is tighter than 71°C/W. |
| SI6926EDQ-T1-GE3 | 40V rating, asymmetric RDS(ON) (22mΩ/60mΩ), higher Qg (25nC/28nC), same SO-8 footprint. | Optimized for cost-sensitive consumer power supplies where P-channel loss is less critical. | Choose when BOM cost is prioritized over peak efficiency and gate drive strength is sufficient for higher Qg. |
Compared with DMC4029SSDQ-13, DMC3029LSDQ-7 offers superior current handling below 15V but lacks 40V transient margin, while SI6926EDQ-T1-GE3 trades off P-channel efficiency for lower unit cost-making DMC4029SSDQ-13 optimal for balanced 24V industrial DC-DC designs.
Availability
DMC4029SSDQ-13 is available at Aetrix Electronics and suitable for DC-DC converters, USB-C power delivery systems, and LED backlight drivers requiring stable component supply across production lifecycles.
Supply support for DMC4029SSDQ-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-efficiency power management solutions for industrial, computing, and consumer markets.
The DMC4029SSDQ-13 belongs to Diodes' complementary MOSFET product line, engineered specifically for space-constrained synchronous buck regulators and dual-rail power switches where matched N/P characteristics and JEDEC reliability are mandatory.
FAQ
What is the maximum continuous drain current for each channel at +70°C ambient?
At TA = +70°C, the N-channel (Q2) supports 5.6A continuous drain current with VGS = 10V, while the P-channel (Q1) supports –4.1A under the same conditions. These values reflect thermal derating based on SO-8 package RθJA = 71°C/W and 1.1W total power dissipation limit.
Can DMC4029SSDQ-13 be used in automotive applications?
Yes-the DMC4029SSDQ-13 is qualified to AEC-Q101 standards and manufactured in IATF 16949 certified facilities. For PPAP-capable automotive programs, Diodes offers the automotive-grade variant DMC4029SSDQ-13T with full change control documentation and extended temperature validation.
How does the internal schematic affect PCB layout for high-frequency operation?
The internal schematic shows shared drain terminals (D1/D2) and separate source/gate pins-requiring symmetrical, low-inductance gate loops and Kelvin-source routing for S1/S2 to minimize shoot-through risk. The SO-8 pinout mandates tight gate-driver placement within 5mm of G1/G2 to suppress ringing from 1.6Ω/12.6Ω gate resistances.
Is the body diode forward voltage specified separately for each channel?
Yes-VSD is 0.7–1.0V for Q2 (N-channel) at IS = 1.0A and 0.7–1.0V for Q1 (P-channel) at IS = –1.0A. These values are measured with VGS = 0V and confirm bidirectional conduction capability essential for freewheeling paths in buck and H-bridge topologies.
DMC4029SSDQ-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- MOSFET (Metal Oxide)
- Configuration:
- N and P-Channel Complementary
- FET Feature:
- -
- Drain to Source Voltage (Vdss):
- 40V
- Current - Continuous Drain (Id) @ 25°C:
- 9A (Ta), 6.5A (Ta)
- Rds On (Max) @ Id, Vgs:
- 24mOhm @ 6A, 10V, 45mOhm @ 5A, 10V
- Vgs(th) (Max) @ Id:
- 3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 8.8nC @ 4.5V, 10.6nC @ 4.5V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1060pF @ 20V, 1154pF @ 20V
- Power - Max:
- 1.8W (Ta)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
DMC4029SSDQ-13 FAQ
1.How can I place an order for DMC4029SSDQ-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DMC4029SSDQ-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 DMC4029SSDQ-13 reliable?
The price and inventory of DMC4029SSDQ-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMC4029SSDQ-13 is usually 5 days.
3.What payment methods are accepted for DMC4029SSDQ-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMC4029SSDQ-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DMC4029SSDQ-13?
DMC4029SSDQ-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DMC4029SSDQ-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 DMC4029SSDQ-13?
For technical support, including DMC4029SSDQ-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMC4029SSDQ-13 requirements.
6.How does Aetrix verify that DMC4029SSDQ-13 is sourced from the original manufacturer or authorized distributors?
All DMC4029SSDQ-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 DMC4029SSDQ-13 meets industry standards.
7.What is the process for return or replacement of DMC4029SSDQ-13?
All DMC4029SSDQ-13 units undergo pre-shipment inspection (PSI). If there is an issue with DMC4029SSDQ-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 DMC4029SSDQ-13 part is unused and in its original packaging.
Return procedure for DMC4029SSDQ-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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