Micro Power Hall Effect Switch DIODES AH1815-P-B for Battery Powered Consumer and Industrial Devices
Product Overview
The AH1815 is a low-sensitivity, micro-power Omnipolar Hall effect switch IC designed for portable and battery-powered consumer equipment, home appliances, and industrial applications such as smart-meter magnetic-tamper detection. It offers reliable performance over a wide operating range due to its chopper-stabilized architecture and two sensitive Hall effect plates. Optimized for low power consumption (24W at 3V), it operates from 2.5V to 5.5V and features a single open-drain output that switches on with either a north or south pole. The output turns on when magnetic flux density exceeds the operating point (Bop) and turns off when it falls below the releasing point (Brp).
Product Attributes
- Brand: Diodes Incorporated
- Product Line: AH1815
- Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)
Technical Specifications
| Characteristic | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | Operating | 2.5 | - | 5.5 | V |
| Operating Temperature Range | Operating | -40 | - | +125 | C |
| Output On Voltage | IOUT = 1mA | - | 0.1 | 0.3 | V |
| Output Leakage Current | VOUT = 5.5V, Output off | - | < 0.1 | 1 | A |
| Supply Current (Awake) | TA = +25C, VDD = 3V | - | 3 | 6 | mA |
| Supply Current (Awake) | TA = -40C to +125C, VDD = 2.5V to 5.5V | - | 3 | 12 | mA |
| Supply Current (Sleep) | TA = +25C, VDD = 3V | - | 5 | 10 | A |
| Supply Current (Sleep) | TA = -40C to +125C, VDD = 2.5V to 5.5V | - | - | 28 | A |
| Average Supply Current | TA = +25C, VDD = 3V | - | 8 | 16 | A |
| Average Supply Current | TA = -40C to +125C, VDD = 2.5V to 5.5V | - | - | 40 | A |
| Awake Time | - | - | 75 | 125 | s |
| Period | - | - | 75 | 125 | ms |
| Duty Cycle | - | - | 0.1 | - | % |
| Operating Points (South Pole) | VDD = 2.5V to 5.5V, TA = -40C to +125C | 255 | 395 | 540 | Gauss |
| Operating Points (North Pole) | VDD = 2.5V to 5.5V, TA = -40C to +125C | -540 | -395 | -255 | Gauss |
| Releasing Points (South Pole) | VDD = 2.5V to 5.5V, TA = -40C to +125C | 230 | 355 | 490 | Gauss |
| Releasing Points (North Pole) | VDD = 2.5V to 5.5V, TA = -40C to +125C | -490 | -355 | -230 | Gauss |
| Hysteresis | - | - | 40 | - | Gauss |
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