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Alpha & Omega Semiconductor Inc. AON6534
- Part No.:
- AON6534
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Category:
- FETs, MOSFETs
- Package:
- 8-PowerSMD, Flat Leads
- Datasheet:
-
AON6534.pdf
- Description:
- MOSFET N-CH 30V 20A/30A 8DFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,532
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Product details
Overview
AON6534 from Alpha & Omega Semiconductor is a 30V N-channel enhancement-mode MOSFET in DFN5x6 package, designed for high-efficiency DC/DC conversion. It delivers 30A continuous drain current at VGS = 10V, exhibits RDS(on) < 8 mΩ (10V) and < 12 mΩ (4.5V), and features low gate charge (Qg = 15.7–22.5 nC) for fast switching in synchronous buck converters.
For engineers reviewing the AON6534 datasheet, pinout, applications, or equivalent options, key selection criteria include its 30V VDS, 100% UIS-tested ruggedness, 0.7–2.3 Ω gate resistance, 951 pF input capacitance, and thermal performance validated up to 150°C junction temperature in computing and telecom power stages.
Technical Context
The AON6534 employs AlphaMOS LV trench technology optimized for low-voltage, high-current operation. Its gate threshold voltage (1.8–2.6 V) enables compatibility with 3.3V and 5V gate drivers, while its low RDS(on) at 4.5V supports efficient operation in POL and isolated DC/DC topologies without requiring 10V drive.
Dynamic parameters confirm suitability for high-frequency switching: tD(on) = 6.25 ns, tr = 2.5 ns, Qgd/Qgs ratio of ~1.14 supports clean turn-on with minimal Miller-induced oscillation, and body diode reverse recovery time (trr = 10.2 ns) minimizes shoot-through risk in synchronous rectification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 30 V - Maximum blocking voltage compatible with 24V input rails and transient spikes in server VRMs. |
| ID (VGS = 10V) | 30 A - Continuous current rating at full gate drive, enabling single-device use in 50–60W POL stages. |
| RDS(on) (VGS = 4.5V) | < 12 mΩ - Enables high efficiency at logic-level gate drive, critical for 3.3V/5V controller-based designs. |
| Qg (10V) | 15.7–22.5 nC - Low total gate charge reduces driver power loss and allows >1 MHz switching in compact converters. |
| RθJC | 5 °C/W - Junction-to-case thermal resistance supports direct heatsinking for high-power density layouts. |
| EAS | 32 mJ - Avalanche energy rating verified per 100% production test, ensuring robustness against inductive switching stress. |
Pinout & Package
Package: DFN5x6 (5 mm × 6 mm, 1.0 mm height, exposed drain pad). Thermal performance optimized via bottom-side copper thermal pad soldered to PCB ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5 | Source | Multiple parallel source terminals reduce conduction loop inductance and improve current sharing in high-di/dt applications. |
| 6, 7, 8 | Drain | Exposed drain pad (Pin 6–8 area) serves as primary thermal path and high-current return node for power stage layout. |
| G (Gate) | Control Input | Single gate terminal (Pin 1 side, top view) positioned for minimal gate loop inductance when routed adjacent to source. |
Key Features
| Feature | Design Value |
|---|---|
| 100% UIS tested | Every unit validated for unclamped inductive switching survival up to 32 mJ, eliminating field failure risk in hard-switched converters. |
| Low RDS(on) at 4.5V | Sub-12 mΩ on-resistance enables use with 3.3V/5V PWM controllers without gate boosting, simplifying driver design. |
| Low gate charge (Qg) | 22.5 nC max total gate charge reduces switching losses and driver IC stress in high-frequency (>500 kHz) applications. |
| RoHS & halogen-free | Compliant with environmental regulations for consumer and industrial end equipment without compromising thermal or electrical performance. |
Applications
| Server VRM Power Stage | Telecom Isolated DC/DC |
|---|---|
Use Scenario: High-current, high-efficiency 12V-to-1V conversion in CPU/GPU voltage regulator modules. IC Role / Device Role / Timing Role: Synchronous rectifier in multiphase buck converter, operating at 300–600 kHz with 30A per phase. Use Value: Sub-12 mΩ RDS(on) at 4.5V enables direct drive from digital PWM controllers, reducing BOM count and improving transient response. | Use Scenario: Secondary-side synchronous rectification in 48V-input isolated flyback or forward converters for telecom base stations. IC Role / Device Role / Timing Role: Low-loss output switch replacing Schottky diodes, driven by transformer-coupled or active gate control. Use Value: 32 mJ EAS rating and fast trr (10.2 ns) prevent secondary-side voltage overshoot and improve light-load efficiency. |
| Computing POL Converter | Industrial Motor Drive Gate Driver |
Use Scenario: Point-of-load regulation for FPGAs, ASICs, and memory subsystems in data center switches and storage systems. IC Role / Device Role / Timing Role: High-side or low-side switch in compact 30A monolithic or discrete buck regulators. Use Value: DFN5x6 package with 5°C/W RθJC allows direct thermal coupling to heatsink or copper pour, sustaining 30A continuous at 70°C ambient. | Use Scenario: Half-bridge high-side switch in 24V/48V BLDC motor gate driver IC auxiliary power supply. IC Role / Device Role / Timing Role: Input-stage MOSFET in buck-derived bias rail generator powering gate driver ICs. Use Value: 100% Rg tested ensures consistent gate timing across production lots, critical for precise dead-time control in motor commutation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SiR872DP | RDS(on) = 7.2 mΩ @ 10V, but 13.5 mΩ @ 4.5V; higher Qg (31 nC); SO-8 package. | Larger footprint and higher gate drive loss limit use in ultra-dense POL designs. | Preferred where SO-8 layout reuse exists and 4.5V drive is not required. |
| IRF7470PBF | RDS(on) = 11 mΩ @ 4.5V; lower ID rating (22A); TO-252 package; no 100% UIS test. | Thermal performance limited by RθJA = 62°C/W vs. AON6534's 64°C/W on FR-4, but inferior ruggedness. | Suitable for cost-sensitive, non-ruggedized applications below 22A load. |
Compared with SiR872DP and IRF7470PBF, the AON6534 provides superior 4.5V drive capability, industry-leading UIS robustness, and DFN5x6 thermal efficiency-making it optimal for high-reliability, high-density computing and telecom power stages where gate drive simplicity and avalanche immunity are critical.
Availability
AON6534 is available at Aetrix Electronics and suitable for server VRMs, telecom isolated DC/DC converters, and industrial POL applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for AON6534 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
Alpha & Omega Semiconductor (AOS) is a fabless power semiconductor company specializing in high-performance MOSFETs, IGBTs, and power ICs for computing, consumer, and industrial markets.
The AON6534 belongs to the AlphaMOS LV trench MOSFET product line, engineered specifically for low-voltage, high-current DC/DC conversion where low RDS(on) at logic-level gate drive and rugged switching behavior are essential.
FAQ
What is the maximum continuous drain current rating for the AON6534?
The AON6534 is rated for 30A continuous drain current at TC = 25°C with VGS = 10V. At TC = 100°C, the rating drops to 10A due to thermal derating. The device's 5°C/W RθJC enables sustained high-current operation when mounted to an effective heatsink or thermal pad on the PCB.
Does the AON6534 support logic-level gate drive?
Yes, the AON6534 supports logic-level gate drive with a gate threshold voltage range of 1.8–2.6 V and guaranteed RDS(on) < 12 mΩ at VGS = 4.5V. This allows direct interface with 3.3V and 5V PWM controllers without external level-shifting circuitry, simplifying design in space-constrained POL converters.
Is the AON6534 qualified for automotive applications?
No, the AON6534 is explicitly designed and qualified for the consumer market only. Per the official datasheet, applications in life-support devices or automotive safety-critical systems are not authorized. For automotive-grade alternatives, consult AOS's AEC-Q101-qualified AlphaMOS HV series.
What thermal performance can be expected from the AON6534 in a standard PCB layout?
In a 1 in² FR-4 board with 2 oz. copper, the AON6534 achieves RθJA = 64°C/W. With proper thermal pad soldering and copper pour, junction temperature rise remains within safe limits up to 25W dissipation at 25°C ambient. For higher power, direct case-to-heatsink mounting leverages its 5°C/W RθJC.
How does the AON6534's avalanche rating impact system reliability?
The AON6534 undergoes 100% unclamped inductive switching (UIS) testing to 32 mJ, ensuring every unit can safely absorb inductive energy during hard-switching events. This eliminates need for external snubbers in many DC/DC topologies and improves long-term reliability in high-di/dt applications like server VRMs and motor drive bias supplies.
AON6534 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Series:
- -
- Package/Case:
- 8-PowerSMD, Flat Leads
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 30 V
- Current - Continuous Drain (Id) @ 25°C:
- 20A (Ta), 30A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 8mOhm @ 20A, 10V
- Vgs(th) (Max) @ Id:
- 2.6V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 22.5 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 951 pF @ 15 V
- FET Feature:
- -
- Power Dissipation (Max):
- 4.1W (Ta), 25W (Tc)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-DFN (5x6)
AON6534 FAQ
1.How can I place an order for AON6534 through Aetrix?
Please submit a Request for Quotation (RFQ) for AON6534 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 AON6534 reliable?
The price and inventory of AON6534 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AON6534 is usually 5 days.
3.What payment methods are accepted for AON6534?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AON6534 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AON6534?
AON6534 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AON6534 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 AON6534?
For technical support, including AON6534 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AON6534 requirements.
6.How does Aetrix verify that AON6534 is sourced from the original manufacturer or authorized distributors?
All AON6534 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 AON6534 meets industry standards.
7.What is the process for return or replacement of AON6534?
All AON6534 units undergo pre-shipment inspection (PSI). If there is an issue with AON6534, 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 AON6534 part is unused and in its original packaging.
Return procedure for AON6534:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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