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Diodes Incorporated DMC3732UVTQ-7
- Part No.:
- DMC3732UVTQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- FET, MOSFET Arrays
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
DMC3732UVTQ-7.pdf
- Description:
- MOSFET N/P-CH 30V 1.1A TSOT26
- Quantity:
- Payment:
- Shipping:
Inventory:2,178
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Product details
Overview
DMC3732UVTQ from Diodes Incorporated is a complementary-pair enhancement-mode MOSFET in a single TSOT26 package, integrating one 30V N-channel (Q1) and one −30V P-channel (Q2) device. It delivers RDS(ON) of 460 mΩ @ VGS = 4.5V (Q1) and 1000 mΩ @ VGS = −4.5V (Q2), with continuous drain currents of 1.1A and −0.7A respectively at TA = +25°C - optimized for compact DC-DC converter power stages and backlight LED current control.
For engineers reviewing the DMC3732UVTQ datasheet, DMC3732UVTQ pinout, DMC3732UVTQ application, or DMC3732UVTQ equivalent, this dual-channel discrete solution supports space-constrained automotive-grade power management where complementary switching, low gate charge (Qg = 0.9 nC / 1.0 nC), and AEC-Q101 qualification are required.
Technical Context
This device implements a monolithic complementary pair topology with isolated die and independent gate terminals, enabling synchronous half-bridge or high-side/low-side driver configurations without external cross-coupling. Its matched thermal characteristics (TJ range: −55°C to +150°C) and low Ciss (40.8 pF / 54 pF) support stable operation under fast-switching conditions up to 1 MHz.
The Q1 N-channel and Q2 P-channel share identical TSOT26 packaging but differ in threshold voltage (VGS(TH) = 0.45–0.95V vs. −0.5 to −1.1V), on-resistance temperature coefficient, and body diode forward voltage (VSD = 0.6–1.2V vs. −0.9 to −1.2V), allowing precise bidirectional current control in buck or inverting topologies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | 30V (Q1), −30V (Q2): Supports 24V rail systems with 2× safety margin against transients |
| RDS(ON) @ VGS = 4.5V | 460 mΩ (Q1): Enables ≥85% efficiency in 1A, 5V-output buck converters at 1MHz |
| RDS(ON) @ VGS = −4.5V | 1000 mΩ (Q2): Sufficient for low-duty-cycle high-side switch or load-switch applications |
| Qg | 0.9 nC (Q1), 1.0 nC (Q2): Reduces gate drive power loss and enables direct MCU GPIO driving |
| Ciss | 40.8 pF (Q1), 54 pF (Q2): Limits EMI generation and simplifies EMI filter design in portable systems |
| PD (FR-4, 2 oz Cu) | 0.54 W (min pad), 0.83 W (1″² copper): Defines thermal derating for PCB layout in sealed enclosures |
| AEC-Q101 Qualified | Validated for automotive power modules requiring PPAP documentation and IATF 16949 manufacturing |
Pinout & Package
Package: TSOT26 - ultra-thin surface-mount package (2.9 × 1.6 × 0.6 mm) with matte tin–annealed copper leadframe, UL 94V-0 rated molding compound, and moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (D1) | Q1 Drain | Main current path for N-channel high-side or low-side switching; connected to output node in buck stage |
| 2 (S1) | Q1 Source | Reference node for Q1 gate drive; ties to ground or inductor node depending on topology |
| 3 (G1) | Q1 Gate | Control input for N-channel; requires 0.45–0.95V threshold activation; low Ciss eases drive |
| 4 (D2) | Q2 Drain | Main current path for P-channel; used as high-side switch source or reverse polarity protection input |
| 5 (S2) | Q2 Source | Reference node for Q2; typically tied to VIN in high-side configuration |
| 6 (G2) | Q2 Gate | Control input for P-channel; activated by negative VGS; threshold −0.5 to −1.1V enables logic-level drive |
Key Features
| Feature | Design Value |
|---|---|
| Complementary Pair Integration | Single TSOT26 package replaces two discrete MOSFETs, reducing board area by >40% and parasitic inductance |
| Low RDS(ON) at Low VGS | 560 mΩ (Q1) @ 2.5V and 1500 mΩ (Q2) @ −2.5V enable direct 3.3V MCU control without level shifters |
| Fast Switching Speed | tr/tf ≤ 16 ns / 20 ns (Q1); tr/tf ≤ 11 ns / 20 ns (Q2) minimizes conduction-to-switching loss trade-off |
| AEC-Q101 Qualification | Validated for automotive cabin electronics, including infotainment power rails and LED backlight drivers |
| Green Packaging | Halogen- and antimony-free, RoHS 3 compliant (Br+Cl < 1500 ppm, Sb < 1000 ppm), suitable for EU/China export |
Applications
| Automotive LED Backlighting | Portable DC-DC Converter |
|---|---|
Use Scenario: Driving white LED strings in instrument cluster displays with PWM dimming. IC Role / Device Role / Timing Role: Q1 acts as low-side PWM switch; Q2 provides reverse-current blocking during off-state. Use Value: Low VGS(TH) and fast tf ensure clean 1–20 kHz dimming edges; RDS(ON) limits thermal rise in confined space. |
Use Scenario: Compact 3.3V-to-1.2V synchronous buck converter in wearable health monitors. IC Role / Device Role / Timing Role: Q1 (N-ch) as synchronous rectifier; Q2 (P-ch) as high-side switch in pseudo-synchronous mode. Use Value: Matched thermal response prevents imbalance; low Qg reduces gate drive loss at 2 MHz switching. |
| USB-C Power Delivery Load Switch | Industrial Sensor Node Power Management |
Use Scenario: Reverse-voltage and overcurrent protection for USB-C port power paths. IC Role / Device Role / Timing Role: Q2 (P-ch) as high-side main switch; Q1 (N-ch) as gate driver bootstrap or status monitor. Use Value: 1000 mΩ RDS(ON) at −4.5V ensures <100 mW dissipation at 3A; AEC-Q101 supports industrial-grade reliability. |
Use Scenario: Battery-powered environmental sensor node requiring low-quiescent-power wake-up sequencing. IC Role / Device Role / Timing Role: Q1 controls LDO enable; Q2 isolates backup battery during main supply operation. Use Value: Ultra-low IDSS (1 µA / −1 µA) extends shelf life; TSOT26 footprint fits 10 mm² PCB area budget. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar complementary MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMC2038LVTQ-7 | Lower RDS(ON): 280 mΩ (Q1) / 550 mΩ (Q2) @ 4.5V; higher Qg (1.4 nC / 1.8 nC) | Better conduction loss but slower switching; requires stronger gate driver | Select when efficiency > 90% at 2A load is critical and layout allows larger thermal pad |
| Si2301DDS-T1-GE3 | Single P-channel only; no integrated N-channel; RDS(ON) = 90 mΩ @ −4.5V; SOT-23 package | Requires external N-MOSFET; smaller footprint but no thermal coupling benefit | Choose for cost-sensitive non-automotive designs where board space is tighter than thermal margin |
Compared with DMC2038LVTQ-7, the DMC3732UVTQ trades 180 mΩ higher Q1 on-resistance for 0.5 nC lower gate charge and AEC-Q101 compliance; versus Si2301DDS-T1-GE3, it adds system-level integration and automotive qualification at the cost of 30% larger footprint.
Availability
DMC3732UVTQ is available at Aetrix Electronics and suitable for automotive LED backlighting, portable DC-DC converters, and industrial sensor node power management requiring stable component supply across multi-year production cycles.
Supply support for DMC3732UVTQ 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 power management, signal integrity, and protection solutions for automotive, industrial, and consumer markets.
The DMC3732UVTQ belongs to Diodes' AEC-Q101-qualified complementary MOSFET product line, engineered specifically for space-constrained, thermally demanding automotive and portable power applications requiring integrated N+P channel switching.
FAQ
What is the maximum junction temperature rating for DMC3732UVTQ?
The DMC3732UVTQ has a specified operating junction temperature range of −55°C to +150°C. This rating is validated per AEC-Q101 stress testing and applies under both steady-state and pulsed conditions, provided thermal design maintains RθJA ≤ 150°C/W using the recommended 1-inch square copper pad layout.
Can DMC3732UVTQ be used in a synchronous buck converter topology?
Yes - the integrated N-channel (Q1) and P-channel (Q2) devices support pseudo-synchronous operation: Q1 serves as the low-side synchronous rectifier, while Q2 functions as the high-side switch. However, true synchronous buck requires external timing control to prevent shoot-through, as the devices lack internal dead-time logic.
Is the TSOT26 package of DMC3732UVTQ compatible with standard reflow profiles?
Yes - the TSOT26 package is rated for moisture sensitivity level 1 (MSL-1) and qualified for standard Pb-free reflow per J-STD-020. Peak temperature must not exceed 260°C, with time above 217°C limited to 60–150 seconds; Diodes recommends using the suggested pad layout to ensure solder joint reliability.
Does DMC3732UVTQ include integrated ESD protection?
No - the DMC3732UVTQ does not integrate dedicated ESD protection circuitry. Its gate oxide is rated for ±8V VGSS, and the device relies on external TVS diodes or PCB layout practices (e.g., guard rings, minimized trace length) for robustness in environments with >2 kV HBM discharge risk.
DMC3732UVTQ-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- MOSFET (Metal Oxide)
- Configuration:
- N and P-Channel Complementary
- FET Feature:
- -
- Drain to Source Voltage (Vdss):
- 30V
- Current - Continuous Drain (Id) @ 25°C:
- 1.1A (Ta), 700mA (Ta)
- Rds On (Max) @ Id, Vgs:
- 460mOhm @ 200mA, 4.5V, 1Ohm @ 400mA, 4.5V
- Vgs(th) (Max) @ Id:
- 950mV @ 250µA, 1.1V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 0.9nC @ 4.5V, 1.6nC @ 8V
- Input Capacitance (Ciss) (Max) @ Vds:
- 40.8pF @ 25V, 54pF @ 15V
- Power - Max:
- 540mW (Ta)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-26
DMC3732UVTQ-7 FAQ
1.How can I place an order for DMC3732UVTQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DMC3732UVTQ-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 DMC3732UVTQ-7 reliable?
The price and inventory of DMC3732UVTQ-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMC3732UVTQ-7 is usually 5 days.
3.What payment methods are accepted for DMC3732UVTQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMC3732UVTQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DMC3732UVTQ-7?
DMC3732UVTQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DMC3732UVTQ-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 DMC3732UVTQ-7?
For technical support, including DMC3732UVTQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMC3732UVTQ-7 requirements.
6.How does Aetrix verify that DMC3732UVTQ-7 is sourced from the original manufacturer or authorized distributors?
All DMC3732UVTQ-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 DMC3732UVTQ-7 meets industry standards.
7.What is the process for return or replacement of DMC3732UVTQ-7?
All DMC3732UVTQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with DMC3732UVTQ-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 DMC3732UVTQ-7 part is unused and in its original packaging.
Return procedure for DMC3732UVTQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DMC3732UVTQ-7 Tags
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