SL1603 Series: Low-Power Hall Effect Switch Sensor
The SL1603 is a low-power Hall effect switch sensor designed for space-constrained and battery-sensitive systems. It offers multiple magnetic field thresholds, switching frequencies, and package options to suit diverse applications. The sensor detects both South and North pole magnetic fields, providing a stable output with built-in temperature compensation and clock logic circuitry. It operates across a wide voltage range and features excellent ESD performance, making it ideal for non-contact detection in various electronic devices.
Product Attributes
- Brand: SLKormicro
- Certifications: RoHS Compliant
Technical Specifications
General Features:
| Feature | Specification | Unit |
|---|---|---|
| Low Power Consumption (5Hz version) | 1.6 | uA @ 1.8V |
| Low Power Consumption (20Hz version) | 3.3 | uA @ 1.8V |
| Wide Operating Voltage Range | 1.6 ~ 5.5 | V |
| Magnetic Field Detection | Omnipolar | |
| Output Type | CMOS Push-Pull | |
| Package | SOT-23-3L | |
| Operating Temperature Range | -40 ~ 85 | |
| ESD Performance (HBM) | 8000 | V |
Magnetic Threshold Options:
| Threshold Type | BOP (Typical) | Unit |
|---|---|---|
| High Threshold | 46 | Gauss |
| Low Threshold | 33 | Gauss |
Switching Frequency Options:
| Version | Frequency (Typical) | Unit |
|---|---|---|
| TX Series | 20 | Hz |
| SX Series | 5 | Hz |
Electrical Characteristics (@ TA=+25, VDD=1.8V unless otherwise specified):
| Parameter | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | Operating | 1.6 | - | 5.5 | V |
| Average Current (IDD_AVG) | TA=+25, VDD=1.8V | - | 1.6 (SX) / 3.30 (TX) | - | uA |
| Output Low Voltage (VOL) | IOUT=1mA | - | 0.02 | 0.1 | V |
| Output High Voltage (VOH) | IOUT=1mA | VDD-0.1 | VDD-0.02 | - | V |
Pin Definitions (SOT-23):
| Pin Name | Pin No. | Description |
|---|---|---|
| VDD | 1 | Power Supply Input |
| OUTPUT | 2 | Output |
| GND | 3 | Ground |
Typical Applications:
- Laptop and tablet switch detection
- TWS earphones, mobile phones
- Electronic locks, valve position detection
- Water meters, gas meters, flow meters
- Non-contact detection
Ordering Information:
| Model | Package | Pins | Magnetic Threshold (Bop) | Switching Frequency | Temperature |
|---|---|---|---|---|---|
| SL1603TH | SOT-23 | 3 | 46 Gauss | 20Hz | -40~85 |
| SL1603TL | SOT-23 | 3 | 33 Gauss | 20Hz | -40~85 |
| SL1603SH | SOT-23 | 3 | 46 Gauss | 5Hz | -40~85 |
| SL1603SL | SOT-23 | 3 | 33 Gauss | 5Hz | -40~85 |
SOT-23-3L Package Dimensions:
| Symbol | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| A | - | - | 1.25 | mm |
| A1 | 0.00 | - | 0.1 | mm |
| A2 | 1.00 | 1.10 | 1.15 | mm |
| b | 0.30 | - | 0.50 | mm |
| c | 0.10 | - | 0.20 | mm |
| D | 2.82 | 2.95 | 3.02 | mm |
| E | 2.65 | 2.80 | 2.95 | mm |
| E1 | 1.50 | 1.65 | 1.70 | mm |
| e | 0.85 | 0.95 | 1.05 | mm |
| e1 | 1.80 | 1.90 | 2.00 | mm |
| L | 0.30 | 0.45 | 0.60 | mm |
| 0 | - | 8 |
2105242110_Slkor-SL1603TH_C2826472.pdf
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