Diodes Incorporated AH3366Q-SA-EVM

Overview

AH3366Q-SA-EVM from Diodes Incorporated is an automotive-grade evaluation module for the AH3366Q unipolar Hall-effect sensor, designed for position and proximity sensing in 12V systems. It supports open/close detection, level sensing, and flow metering with BOP = 100 G, BRP = 85 G, -40°C to +150°C operation, AEC-Q100 Grade 0 qualification, and open-drain output.

For engineers reviewing the AH3366Q-SA-EVM datasheet, AH3366Q-SA-EVM pinout, AH3366Q-SA-EVM application, or AH3366Q-SA-EVM equivalent, this module enables rapid validation of magnetic switch behavior, timing response (3.75 µs), supply rail robustness (3–28 V), reverse-voltage protection (32 V), and chopper-stabilized thermal stability in automotive body control and powertrain subsystems.

Technical Context

The AH3366Q-SA-EVM implements a direct interface to the AH3366Q IC - a chopper-stabilized unipolar Hall sensor with internal bandgap regulator and Zener-clamped output. It operates across 3–28 V supply, delivers 3.75 µs response time, and maintains switch-point stability over -40°C to +150°C via temperature-compensated magnetic thresholds (BOP = 100 G, BRP = 85 G).

Designed for automotive AEC-Q100 Grade 0 compliance, the EVM supports south-pole activation on SOT23-marked side (per AH3366Q-SA-7 package), includes onboard test points for VDD, GND, and OUT, and integrates reverse-polarity protection and 8 kV HBM ESD hardening consistent with the IC's robustness features.

Key Specifications

Availability

AH3366Q-SA-EVM is available at Aetrix Electronics and suitable for automotive body control modules, transmission position sensing, brake pedal detection, and HVAC damper actuation requiring stable component supply and rapid prototyping support.

Supply support for AH3366Q-SA-EVM 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 semiconductor company specializing in discrete, analog, and mixed-signal solutions for automotive, industrial, and consumer markets, with emphasis on reliability and AEC-Q100-compliant design.

The AH336xQ family targets automotive position and proximity sensing, delivering high-precision unipolar switching with chopper stabilization, wide voltage tolerance, and extended temperature capability for under-hood and safety-critical subsystems.

FAQ

What is the purpose of the AH3366Q-SA-EVM?

The AH3366Q-SA-EVM is a dedicated evaluation module for the AH3366Q unipolar Hall-effect sensor IC. It provides a ready-to-use PCB with test points, power conditioning, and proper layout to validate magnetic field response, timing behavior, and electrical performance under real-world automotive conditions including temperature cycling and supply transients.

Does the EVM support both SOT23 and SC59 packages of the AH3366Q?

No - the AH3366Q-SA-EVM is specifically configured for the SOT23-3 packaged AH3366Q-SA-7 variant, which requires south-pole activation toward the package marking side. The SC59 variant (AH3366Q-W-7) has inverse polarity and is not compatible with this EVM's default orientation and layout.

Can the AH3366Q-SA-EVM be used for production deployment?

No - the AH3366Q-SA-EVM is strictly an evaluation tool with no automotive qualification or long-term reliability testing. It lacks conformal coating, automotive-grade assembly controls, and AEC-Q200 stress screening. Production use requires integration of the qualified AH3366Q IC into a fully validated end-system PCB.

What external components are required to operate the AH3366Q-SA-EVM?

The AH3366Q-SA-EVM requires only a DC power supply (3–28 V), a pull-up resistor (typically 4.7 kΩ to VDD) on the open-drain output, and a magnet source. No additional capacitors, regulators, or protection devices are needed - all necessary decoupling and clamping are integrated per the AH3366Q's internal architecture.