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Specifications
Mfr. Part #:
SCW8916B
Package:
SOP-16
Key Attributes
Model Number:
SCW8916B
Product Description
Product Overview
The SCW8916 is a 4-channel high-sensitivity capacitive water level detection IC capable of accurately detecting changes in water and other liquid levels from a distance of 2mm. It features industrial-grade specifications with 4KV EFT and 6KV contact ESD capabilities, and can pass 3V CS testing, making it an ideal choice for electronic liquid level detection solutions. It is well-suited for water-related home appliances and electronic products such as water dispensers, purifiers, coffee machines, kettles, dishwashers, and ice makers.
Product Attributes
- Brand: SinOne Chip
- Origin: (Shenzhen Saiyuan Microelectronics Co., Ltd.)
- Certifications: 4KV EFT, 6KV Contact ESD, 3V CS Test Passed
Technical Specifications
| Feature | Specification |
|---|---|
| Working Voltage | 3.0V~5.5V |
| Working Temperature | -40 ~ 85 |
| Package | SOP16 |
| Water Level Detection Channels | 1~4 Channels |
| Sensitivity Adjustment | 8 levels (adjustable via external resistor) |
| Test Mode | Online whole-machine water/no-water status debugging |
| Detection Principle | Capacitive sensing, non-contact detection up to 2mm |
| Communication Protocols | Level one-to-one output mode, UART output mode |
| UART Baud Rate | 9600 |
| UART Output Interval | 100ms |
| ESD Capability | 6KV Contact ESD |
| EFT Capability | 4KV EFT |
| CS Test | 3V Dynamic CS Test Passed |
| Channel Usage | CH1 (lowest), CH2, CH3, CH4 (highest); unused channels to be grounded. |
| Sensitivity Resistor | 100K to VDD for default sensitivity; range from 3.3K to 82K for adjustment. |
| Output Modes (OUTS Pin) | 0: UART output (100ms refresh); H (High/Floating): Level one-to-one output. |
| Test Mode (TOPT Pin) | 0: Calibrate lower water level only; 1: Calibrate upper and lower water levels. |
| Self-Check Mode Entry | TEST pin receives 500mS low pulse and >500mS high pulse within 2S of power-up. |
| Calibration Signal (TEST Pin) | 100mS low pulse + >500ms high for lower water level calibration; two 100mS low pulses + >500ms high for upper and lower water level calibration. |
1811151450_SOC-Shenzhen-SinOne-Microelectronics-SCW8916B_C93853.pdf
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