Product Overview
The DIODES AH3231Q-AH3234Q/AH3270Q-AH3272Q are high voltage, high sensitivity, two-wire Hall Effect Unipolar/Latch switch ICs designed for position and proximity sensing in automotive applications. These AEC-Q100 qualified devices operate over a wide supply range of 2.7V to 27V and feature a chopper-stabilized architecture for superior temperature stability and minimal switch point drift. They include built-in reverse blocking diode, Zener clamp, and thermal protection with auto-restart for enhanced robustness. The unipolar switches (AH3231Q-AH3234Q) turn on with a south pole exceeding BOP and turn off when flux density falls below BRP. The latch switches (AH3270Q-AH3272Q) turn on with magnetic flux density greater than BOP and remain on until flux density reversal falls below BRP.
Product Attributes
- Brand: DIODES
- Certifications: AEC-Q100 Qualified, PPAP Capable, IATF 16949 Certified Facilities
- Compliance: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)
Technical Specifications
| Part Number | Type | Output Polarity | Supply Voltage (V) | Supply Current Off (mA) | Supply Current On (mA) | BOP (Gauss) Typ. (TA=25C) | BRP (Gauss) Typ. (TA=25C) | Temperature Coefficient (ppm/C) | Operating Temperature (C) |
| AH3231Q | Unipolar | Inverted | 2.7 - 27 | 5 - 6.9 | 12 - 17 | 90 | 70 | 0 | -40 to +150 |
| AH3232Q | Unipolar | Direct | 2.7 - 27 | 5 - 6.9 | 12 - 17 | 60 | 40 | -1100 | -40 to +150 |
| AH3233Q | Unipolar | Direct | 2.7 - 27 | 5 - 6.9 | 12 - 17 | 45 | 28 | -1100 | -40 to +150 |
| AH3234Q | Unipolar | Inverted | 2.7 - 27 | 5 - 6.9 | 12 - 17 | 45 | 28 | -1100 | -40 to +150 |
| AH3270Q | Latch | Direct | 2.7 - 27 | 2 - 3.3 | 12 - 17 | 18 | -18 | 0 | -40 to +150 |
| AH3271Q | Latch | Direct | 2.7 - 27 | 5 - 6.9 | 12 - 17 | 18 | -18 | 0 | -40 to +150 |
| AH3272Q | Latch | Direct | 2.7 - 27 | 2 - 3.3 | 12 - 17 | 30 | -30 | 0 | -40 to +150 |
2401221705_DIODES-AH3234Q-P-B_C19948374.pdf
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