Magnetic Sensor Hall-effect sensor BL-HE-DH254 Unipolar Hall Switch Micro power consumption for battery-powered applications
- Model Number:BL-HE-DH254
- Type: Unipolar Hall Sensor
- Polarity: Unipolar Hall Switch
- Place of Origin:Guangdong, China
- Brand Name:Beelee
- Supply Voltage:7V
- Output Voltage:7V
- Output Curent:1mA
- Operating Temperature Range:-40~85 ℃
- Storage Temperature Rang:-65 to +150 ℃


01.BL-HE-DH254 Unipolar Hall Switch is a temperature stable, stress-resistant, Low Tolerance of sensitivity micro-power switch. Superior high-temperature performance is made possible through a dynamic offset cancellation that utilizes chopper-stabilization. This method reduces the offset voltage normally caused by device over molding, temperature dependencies, and thermal stress.
02.BL-HE-DH254 is special made for low operation voltage, 1.65V, to active the chip which is includes the following on a single silicon chip: voltage regulator, Hall voltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, CMOS output driver. Advanced CMOS wafer fabrication processing is used to take advantage of low-voltage requirements, component matching, very low input-offset errors, and small component geometries. This device requires the presence of unipolar magnetic fields for operation. The package type is in a Halogen Free version has been verified by third party Lab.




| DC Operating Parameters:Ta=25℃, VDD=1.8V | |||||
| Parameter | Test Conditions | Min | Typ | Max | Units |
| Supply Voltage, (VDD) | Operating | 1.7 | — | 6.0 | Volts |
| Supply Current, (IDD) | Awake State | — | 1.4 | 3 | mA |
| Sleep State | — | 3.6 | 7 | μA | |
| Average | — | 5 | 10 | μA | |
| Output Leakage | Output off | — | — | 1 | μA |
| Output High Voltage, (VOH) | IOUT=0.5mA(Source) | VDD-0.2 | — | — | V |
| Output Low Voltage, (VOL) | IOUT=0.5mA(Sink) | — | — | 0.2 | V |
| Awake mode time, (Taw) | Operating | — | 40 | 80 | μS |
| Sleep mode time, (TSL) | Operating | — | 40 | 80 | mS |
| Duty Cycle, (D,C) | — | 0.1 | — | % | |
| Electro-Static Discharge | HBM | 4 | — | — | KV |






1.Q:Can I get sample from you?
A:Yes,we can provide the free samples for your testing,please contact us for free and tell us which product you need.
2.Q:Do you accept customization?
A:Yes,customization is acceptable,please contact our sales staffs for consult.
3.Q:Can you provide help for technical issues?
A:Yes,we have more than 15 years of research and development in the electronic switch industry. If you need technical help in the purchase process, please feel free to contact us
4.Q:How many types of switches do you have,and what about your quality?
A:We have 10 different types of switches for your choice,all our products is passed the ROHS and REACH,please trust we definitely could meet your quality stander.
5.Q:What are the advantages of your photoelectric switch?
A:Our photoelectric switch is non-mechanical triggering makes the signal more stable and reliable,and precision built-in angle guide structure,high triggering angle consistency.
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