Product Overview
The BDH8182 is a high-sensitivity, integrated Hall-effect latched sensor designed for the electronic commutation of brushless DC motor applications. It features an on-chip Hall voltage generator, a comparator for Hall voltage amplification, and a Schmitt trigger for noise rejection and hysteresis. The device includes an internal bandgap regulator for temperature-compensated supply voltage, enabling a wide operating supply range. A sufficiently strong north pole activates the output (ON), while the absence of a magnetic field deactivates it (OFF). The BDH8182 is available in TO-92S-3 and SOT-23-3 packages.
Product Attributes
- Brand: Shenzhen Bardeen Microelectronics (BDM)
- Model: BDH8182
- Sensitivity: High
- Type: Hall-effect Latch
- Package Options: TO-92S-3, SOT-23-3
Technical Specifications
| Parameter | Symbol | Conditions | Min | Type | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | Operating | 3.5 | 24 | V | |
| Supply Current | ICC | Awake | 2.5 | 5 | mA | |
| Output Leakage Current | ILEAK | B<|BRP| <0.1 | 10 | A | ||
| Output Saturation Voltage | VSAT | IOUT =1.0mA | 110 | 300 | mV | |
| Rise Time | tr | Operating | 0.2 | s | ||
| Fall Time | Tf | Operating | 0.2 | s | ||
| Operating point | BOP | -35 | 70 | Gauss | ||
| Releasing Point | BRP | -70 | -35 | - | Gauss | |
| Hysteresis | BHYS | 70 | Gauss | |||
| Maximum Output Sink Current | IOUT | Continuous Current | 25 | mA | ||
| Operating Temperature | TOP | -40 | 125 | C | ||
| ESD Rating (Human Body Model) | ESD | 3000 | V | |||
| ESD Rating (Machine Model) | ESD | 300 | V | |||
| Power Dissipation | PD | 400 | mW | |||
| Storage Temperature | TS | -55 | 150 | C | ||
| Junction Temperature | TJ | 125 | C |
Applications: Brushless DC Motor
2411041759_Bardeen-Micro--BDH8182_C7464729.pdf
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