Alpha & Omega Semiconductor Inc. AON7510

Overview

AON7510 from Alpha & Omega Semiconductor is a 30V N-channel Trench Power AlphaMOS (αMOS LV) MOSFET optimized for high-current load switching in battery-powered systems, featuring R_DS(ON) < 1.25 mΩ at V_GS = 10 V, 75 A continuous drain current, and DFN 3.3×3.3 package with exposed thermal pad. It serves as a low-loss power switch in portable electronics battery management and system power rails.

For engineers reviewing the AON7510 datasheet, pinout, applications, or equivalent options, key selection criteria include its ultra-low on-resistance at 4.5 V gate drive, 100% UIS-tested ruggedness, gate charge of 60–84 nC at 4.5 V, and thermal resistance R_θJC = 2.7 °C/W for high-power-density PCB layouts.

Technical Context

The AON7510 employs Alpha & Omega's αMOS LV trench technology to achieve sub-2 mΩ R_DS(ON) at logic-level 4.5 V drive while maintaining robust unclamped inductive switching (UIS) capability. Its gate threshold voltage range (1.2–2.0 V at 25°C) ensures reliable turn-on across temperature and process variation.

Designed for synchronous rectification and high-side/low-side switching, the device delivers 90 S forward transconductance and exhibits C_iss = 4500 pF, C_oss = 1400 pF, and C_rss = 1310 pF at V_DS = 15 V, supporting fast switching with controlled EMI in DC-DC converters and motor drivers.

Key Specifications

Pinout & Package

Package: DFN 3.3 × 3.3 mm, 8-pin, thermally enhanced with exposed drain pad (Pin 1–4: Source; Pin 5–8: Drain; Gate on Pin 3).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel power MOSFET applications.

Compared with BSC014N04LS6 and SiR872DP, the AON7510 provides superior thermal performance via its exposed drain pad and verified UIS ruggedness-critical for battery disconnect and industrial load switching where transient energy absorption cannot be compromised.

Availability

AON7510 is available at Aetrix Electronics and suitable for battery management systems, USB-C power delivery architectures, and industrial programmable logic controller (PLC) output stages requiring stable component supply and long-term production continuity.

Supply support for AON7510 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-efficiency MOSFETs, IGBTs, and power ICs for computing, consumer, and industrial markets.

The AON7510 belongs to AOS's αMOS LV low-voltage trench MOSFET product line, engineered specifically for high-current, low-R_DS(ON) switching in space-constrained battery-powered and USB-PD applications.

FAQ

What is the maximum continuous drain current rating for AON7510 at 100°C case temperature?

The AON7510 supports 36 A continuous drain current at T_C = 100°C, as specified in its Absolute Maximum Ratings table. This derating reflects thermal limits imposed by R_θJC = 2.7 °C/W and T_J(MAX) = 150°C. At lower case temperatures, the AON7510 delivers up to 75 A (T_C = 25°C), making it suitable for both high-pulse and sustained-load applications.

Does AON7510 support logic-level gate drive from a 3.3 V microcontroller?

Yes, the AON7510 has a gate threshold voltage range of 1.2–2.0 V at 25°C and guarantees R_DS(ON) < 2.1 mΩ at V_GS = 4.5 V. When driven by a 3.3 V GPIO, the AON7510 achieves partial enhancement; however, full conduction requires ≥4.5 V. For reliable 3.3 V-only operation, a gate driver or level shifter is recommended to ensure the AON7510 operates consistently in its low-R_DS(ON) region.

Is AON7510 qualified for automotive applications?

No, the AON7510 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." Therefore, AON7510 is not AEC-Q101 qualified and must not be used in automotive, medical, or safety-critical systems without additional validation.

What is the significance of 100% R_g testing for AON7510?

100% R_g testing ensures every AON7510 unit has gate resistance between 0.9–2.7 Ω, directly impacting switching speed consistency and gate driver design. This screening eliminates outliers that could cause excessive ringing or slow turn-on, enabling precise timing control in high-frequency DC-DC converters. Unlike statistical sampling, full R_g test coverage makes the AON7510 suitable for mission-critical power sequencing where gate behavior predictability is essential.

Can AON7510 be used in parallel configurations?

Yes, the AON7510 supports paralleling due to its positive temperature coefficient of R_DS(ON), which promotes current sharing across devices. Its matched threshold voltage (1.2–2.0 V) and low gate charge (60–84 nC at 4.5 V) simplify gate drive synchronization. However, layout symmetry-including matched gate trace lengths and Kelvin source connections-is required to prevent current imbalance. For designs exceeding 100 A, paralleling two AON7510 units is a validated approach documented in AOS application notes.