Alpha & Omega Semiconductor Inc. AON6413

Overview

AON6413 from Alpha & Omega Semiconductor is a 30V P-Channel enhancement-mode MOSFET designed for high-efficiency load and battery switching in portable and power management systems. It delivers -32A continuous drain current at V_GS = -10V, features R_DS(ON) < 8.5mΩ (at -10V) and < 17mΩ (at -4.5V), and supports robust unclamped inductive switching with 100% UIS testing.

For engineers reviewing the AON6413 datasheet, pinout, applications, or equivalent options, key selection considerations include its DFN5x6 package thermal performance (R_θJC = 2.6°C/W), low gate charge (Q_g(10V) = 41–58nC), HBM Class 2 ESD rating, and verified body-diode recovery (t_rr = 17.5ns, Q_rr = 44.5nC).

Technical Context

The AON6413 employs advanced trench power MOSFET technology optimized for low-voltage P-channel switching where gate drive above ground is impractical. Its -2.1V typical gate threshold (V_GS(th)) enables reliable turn-on with standard logic-level controllers, while its low R_DS(ON) at 4.5V ensures minimal conduction loss in battery-powered systems.

Thermal design is supported by a DFN5x6 package with exposed drain pad for direct PCB heat sinking, delivering 19W steady-state power dissipation at T_C = 100°C and junction-to-case thermal resistance of 2.6°C/W. The device is fully characterized for avalanche energy (E_AS = 80mJ) and includes 100% R_g screening for consistent switching behavior.

Key Specifications

Pinout & Package

Package: DFN5x6 (5.0mm × 6.0mm, 1.0mm height), thermally enhanced with exposed drain pad on bottom side. Pin 1 marked via top-side notch or silkscreen indicator.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar P-channel load switch applications.

Compared with BSC016N03LS and SI3457DV, the AON6413 offers the best balance of 4.5V R_DS(ON) performance, documented UIS ruggedness, and thermal efficiency in compact DFN5x6-making it optimal for battery-switching where both logic-level drive and transient robustness are required.

Availability

AON6413 is available at Aetrix Electronics and suitable for smartphone power management, USB-C port protection, and industrial PLC I/O modules requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.

Supply support for AON6413 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 AON6413 belongs to AOS's Trench Power MOSFET product line, engineered specifically for high-current, low-voltage load switching where fast turn-on, low conduction loss, and ruggedness against inductive transients are essential.

FAQ

What is the maximum continuous drain current for the AON6413 at 100°C case temperature?

The AON6413 supports 17A continuous drain current at T_C = 100°C, as specified in Figure 13 of the datasheet. This de-rated value accounts for thermal limits under steady-state conduction and assumes proper PCB copper area and airflow. At lower case temperatures, the AON6413 can deliver up to -32A (T_C = 25°C). Derating must be applied per the current de-rating curve to ensure safe operation of the AON6413.

Does the AON6413 require a gate resistor for stable switching in a 5V-controlled load switch?

The AON6413 benefits from an external gate resistor (typically 5–22Ω) to dampen ringing and control dV/dt during turn-on/off, especially when driving inductive loads. While not strictly required for basic on/off function, a resistor improves EMI performance and prevents unintended oscillation due to PCB trace inductance interacting with C_iss and C_rss. The AON6413's low Q_g makes it responsive to small gate resistors without sacrificing speed.

Can the AON6413 be used in a high-side configuration with a 3.3V microcontroller GPIO?

Yes-the AON6413's V_GS(th) range (-1.6V to -2.7V) and R_DS(ON) < 17mΩ at V_GS = -4.5V make it compatible with 3.3V logic when used in high-side switch configurations with appropriate level-shifting or charge-pump circuitry. Direct 3.3V drive yields partial turn-on; for full enhancement, a dedicated gate driver or bootstrap circuit is recommended to achieve ≤−4.5V V_GS for optimal performance of the AON6413.

Is the AON6413 qualified for automotive applications?

No-the AON6413 is explicitly designed and qualified for the consumer market only. The datasheet states: "THIS PRODUCT HAS BEEN DESIGNED AND QUALIFIED FOR THE CONSUMER MARKET. APPLICATIONS OR USES AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS ARE NOT AUTHORIZED." It does not meet AEC-Q101 stress test requirements, and AOS disclaims liability for automotive or safety-critical use of the AON6413.

What is the thermal resistance from junction to ambient (R_θJA) for the AON6413 on a standard PCB?

The AON6413 exhibits R_θJA = 50°C/W when mounted on a 1in² FR-4 board with 2oz copper in still air (per Note H, Page 5). This value assumes no additional heatsinking and is used to estimate junction temperature rise under steady-state power dissipation. For improved thermal performance, designers should maximize copper area under the exposed drain pad and consider internal layers; the AON6413's R_θJC = 2.6°C/W enables much lower thermal resistance when coupled to a heatsink or thermal plane.