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Diodes Incorporated DMP3165LQ-7
- Part No.:
- DMP3165LQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- FETs, MOSFETs
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
DMP3165LQ-7.pdf
- Description:
- MOSFET BVDSS: 25V~30V SOT23 T&R
- Quantity:
- Payment:
- Shipping:
Inventory:2,568
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Product details
Overview
DMP3165LQ-7 from Diodes Incorporated is a P-channel enhancement-mode MOSFET designed for high-efficiency power management in compact DC-DC converters, featuring -30V VDSS, 90mΩ RDS(ON) @ VGS = -10V, and -3.3A continuous drain current at TA = +25°C. It operates in automotive-grade environments with AEC-Q101 qualification and IATF 16949 manufacturing.
For engineers reviewing the DMP3165LQ-7 datasheet, DMP3165LQ-7 pinout, DMP3165LQ-7 application, or DMP3165LQ-7 equivalent, key selection criteria include low gate threshold (-1.3V to -2.1V), fast switching (tD(ON) = 3.7ns), low input capacitance (Ciss = 300pF), and SOT23 package thermal performance (RθJA = 159°C/W).
Technical Context
This MOSFET employs a trench-gate process to achieve low RDS(ON) while maintaining robust gate oxide integrity and low gate charge (Qg = 2.0nC @ VGS = -10V). Its negative VGS(TH) enables direct logic-level drive from 3.3V/5V controllers without level shifting.
The device integrates an intrinsic body diode with VSD = -0.83V @ IS = -2.7A and tRR = 6.5ns, supporting synchronous rectification and flyback topologies. Thermal design relies on FR-4 PCB layout with 2oz copper and minimum pad footprint per Diodes' recommended SOT23 layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | -30V - Supports rail voltages up to 24V systems with margin against transients. |
| RDS(ON) | 90mΩ @ VGS = -10V - Enables <100mW conduction loss at 1A load in compact SOT23. |
| ID (continuous) | -3.3A @ TA = +25°C - Suitable for point-of-load regulators delivering ≤3A output. |
| Qg | 2.0nC @ VGS = -10V - Reduces gate drive power and enables >1MHz switching in buck controllers. |
| Ciss | 300pF @ VDS = -10V - Limits Miller-induced shoot-through risk in half-bridge configurations. |
| tD(ON) | 3.7ns - Minimizes dead-time requirements and improves light-load efficiency. |
| TJ range | -55°C to +150°C - Validated for under-hood automotive and industrial ambient conditions. |
Pinout & Package
Package: SOT23 - Surface-mount plastic package with matte tin–annealed terminals, UL 94V-0 rated, moisture sensitivity level 1, weight ≈ 0.008g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Source) | Current return path for P-channel channel | Connected to higher potential rail; defines reference for gate drive and body diode cathode. |
| 2 (Gate) | Control electrode for channel conduction | Accepts negative VGS; low Ciss and Qg reduce driver loading and switching losses. |
| 3 (Drain) | Current output terminal | Connected to load/inductor node; handles bidirectional current during freewheeling via body diode. |
Key Features
| Feature | Design Value |
|---|---|
| Low RDS(ON) at logic-level drive | 134mΩ @ VGS = -4.5V enables direct interface with 3.3V microcontrollers and PMICs. |
| Fast switching with low Qgd | 0.5nC gate-drain charge minimizes Miller plateau duration and improves hard-switching efficiency. |
| AEC-Q101 qualified | Validated for automotive power management including infotainment and ADAS subsystems. |
| Green, halogen-free construction | <900ppm Br/Cl and <1000ppm Sb ensures compliance with automotive OEM environmental specifications. |
| Low leakage performance | IDSS ≤ -800nA @ VDS = -30V supports battery-powered standby modes with minimal quiescent drain. |
Applications
| Automotive Body Control Module | USB-C Power Delivery Sink |
|---|---|
|
Use Scenario: Load switching for interior lighting, window motors, and HVAC actuators in 12V vehicle architectures. IC Role / Device Role: High-side P-channel switch controlling power delivery to 12V loads with reverse-polarity protection. Use Value: Low RDS(ON) reduces heat generation in confined fuse box enclosures; AEC-Q101 qualification ensures reliability over 15-year vehicle lifetime. |
Use Scenario: Input power switch for USB-C PD sink devices requiring 5–20V input voltage handling and hot-plug robustness. IC Role / Device Role: Reverse-voltage protection and inrush current limiting upstream of buck converter stage. Use Value: Fast turn-off (tF = 8.4ns) prevents bus collapse during cable disconnect; low VGS(TH) allows precise enable control from PD controller GPIO. |
| Industrial IoT Sensor Node | Portable Medical Monitor Power Path |
|
Use Scenario: Battery-backed power management in wireless sensor nodes with duty-cycled RF and sensing subsystems. IC Role / Device Role: Load switch isolating non-critical peripherals during deep-sleep mode to extend battery life. Use Value: Ultra-low IDSS (<800nA) limits standby current to sub-microamp levels; SOT23 footprint saves PCB area in space-constrained modules. |
Use Scenario: Dual-input power path (battery + wall adapter) in handheld patient monitors requiring seamless source transition. IC Role / Device Role: OR-ing FET enabling automatic selection between Li-ion battery and external 5V supply. Use Value: Low VSD (-0.83V) minimizes forward drop in battery path; tight VGS(TH) distribution ensures consistent turn-on across temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar P-channel load switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMG3415L-7 | RDS(ON) = 42mΩ @ VGS = -4.5V; higher Qg = 3.5nC; same SOT23 package | Better conduction efficiency below 2A but slower switching; less suitable for >500kHz designs | Select when lowest RDS(ON) at 3.3V drive is critical and switching frequency ≤300kHz. |
| AO3415 | RDS(ON) = 50mΩ @ VGS = -4.5V; no AEC-Q101 qualification; RθJA = 190°C/W | Higher thermal resistance limits power handling on standard FR-4; not approved for automotive use | Acceptable for cost-sensitive consumer electronics where automotive qualification and thermal margin are not required. |
Compared with DMG3415L-7 and AO3415, DMP3165LQ-7 offers balanced trade-offs: lower gate charge than DMG3415L-7 for faster switching, and AEC-Q101 qualification plus superior thermal resistance versus AO3415-making it optimal for automotive and industrial power switches needing both reliability and efficiency.
Availability
DMP3165LQ-7 is available at Aetrix Electronics and suitable for automotive body control modules, USB-C power delivery sinks, and industrial IoT sensor nodes requiring stable component supply across extended product lifecycles.
Supply support for DMP3165LQ-7 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 North America.
The DMP3165LQ belongs to Diodes' automotive-qualified power MOSFET product line, engineered specifically for high-reliability, low-RDS(ON) load switching in 12V/24V vehicle subsystems and compact industrial power rails.
FAQ
Is DMP3165LQ-7 suitable for hot-swap applications?
Yes. Its low gate threshold voltage (-1.3V to -2.1V), fast turn-off time (tF = 8.4ns), and controlled dV/dt characteristics enable reliable inrush current limiting during live insertion. The device's low RDS(ON) minimizes voltage drop during steady-state operation, and its AEC-Q101 qualification confirms robustness against repeated hot-swap stress cycles in automotive environments.
What is the maximum safe operating junction temperature for continuous operation?
The absolute maximum junction temperature is +150°C, but continuous operation should be limited to TJ ≤ +125°C for long-term reliability. At TA = +70°C with standard FR-4 PCB (2oz copper, minimum pad), the derated continuous drain current is -2.7A-verified by thermal testing per Note 6 in the datasheet using a 1-inch square copper plate.
Does DMP3165LQ-7 require a gate resistor for stability?
A gate resistor (typically 10–47Ω) is recommended to dampen ringing caused by parasitic inductance in high-speed switching. While the device's low gate resistance (RG = 12.5Ω) supports fast transitions, uncontrolled gate drive can excite LC oscillations due to PCB trace inductance and Ciss. Diodes' application note AP02011 specifies 22Ω as optimal for minimizing EMI without compromising switching speed.
Can DMP3165LQ-7 replace N-channel MOSFETs in high-side configurations?
No-it is a P-channel device intended for high-side switching where the source connects to the positive rail. Replacing an N-channel high-side switch would require redesigning gate drive circuitry, as N-channel devices need bootstrap or charge-pump circuits to achieve VGS > VDD, whereas DMP3165LQ-7 operates with VGS ≤ 0V relative to source. Its architecture is optimized for simplicity in low-to-medium current high-side roles, not as a drop-in N-channel substitute.
DMP3165LQ-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- P-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 30 V
- Current - Continuous Drain (Id) @ 25°C:
- 3.3A (Ta)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 90mOhm @ 2.7A, 10V
- Vgs(th) (Max) @ Id:
- 2.1V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 2 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 300 pF @ 10 V
- FET Feature:
- -
- Power Dissipation (Max):
- 800mW (Ta)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
DMP3165LQ-7 FAQ
1.How can I place an order for DMP3165LQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DMP3165LQ-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 DMP3165LQ-7 reliable?
The price and inventory of DMP3165LQ-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMP3165LQ-7 is usually 5 days.
3.What payment methods are accepted for DMP3165LQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMP3165LQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DMP3165LQ-7?
DMP3165LQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DMP3165LQ-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 DMP3165LQ-7?
For technical support, including DMP3165LQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMP3165LQ-7 requirements.
6.How does Aetrix verify that DMP3165LQ-7 is sourced from the original manufacturer or authorized distributors?
All DMP3165LQ-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 DMP3165LQ-7 meets industry standards.
7.What is the process for return or replacement of DMP3165LQ-7?
All DMP3165LQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with DMP3165LQ-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 DMP3165LQ-7 part is unused and in its original packaging.
Return procedure for DMP3165LQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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