Technical Solutions - VAST-TEK | Low Power, Capacitive Sensing & IR Detection

Our Technical Expertise

Professional technical capabilities to empower your product landing

Solution 01: DCDC Low-Power Design Solutions

Problem: High power consumption, fast battery drain, short single-use time, frequent battery replacement

Core Content

Precision Selection	Filter high-conversion-efficiency, low static current (IQ) DCDC converters. Support Dynamic Voltage Scaling (DVS), with static current as low as 75nA.
Circuit Optimization	Adopt low-power topology architecture. Optimize power tree layout. Flexibly combine DCDC converters with LDO regulators.
Parameter Tuning	Precisely tune operating frequency and output voltage to achieve "on-demand power supply" intelligent control.

Solution Advantages

✓ Reduce overall power consumption by 30%-50% ✓ Extend battery life by 2-3x ✓ Strong adaptability, no major structural modifications needed ✓ Customized exclusive low-power solutions available

Solution 02: Capacitive Liquid Detection Solutions

Problem: Traditional contact-type detection has low accuracy, easy liquid contamination, inconvenient maintenance

Core Content

Core Component Selection	High-performance capacitive sensing IC with CapSense™ technology. Support non-contact detection with precision up to 1mm.
Sensing Structure Design	Sensing electrodes installed outside the container. Support different materials (plastic, glass, ceramic, metal) and various container shapes.
Smart Algorithm Optimization	Self-developed filtering algorithms to filter environmental interference, achieving real-time monitoring and data feedback.

Solution Advantages

✓ Non-contact, safer - Avoid liquid contamination, especially suitable for medical and food scenarios ✓ Precise and efficient - 1mm detection precision, response speed <100ms ✓ Wide adaptability - Can penetrate up to 5mm wall thickness ✓ Low cost, easy to implement - FPC module design, compact size

Solution 03: Infrared Detection Solutions

Problem: Precise detection for liquid auto-dispensing and human body motion sensing scenarios

Application Scenarios

Liquid Auto-Dispensing: Infrared-sensing soap dispensers, automatic hand sanitizer dispensers
Human Motion Detection: Infrared-sensing lights, security detectors, smart appliance wake-up

Core Content

Core Component Selection	Pyroelectric infrared sensor / infrared emitter-receiver tube. Low power consumption, high sensitivity, strong anti-interference.
Scenario-Based Circuit Design	Specifically designed for hand sanitizer dispensers (5-15cm precise sensing) and human body detection (120°, 5-6m detection distance).
Smart Tuning & Optimization	Precisely tune sensing distance/angle/response speed. Add delay functions and anti-false-trigger designs.

Solution Advantages

✓ Precise and efficient - Response speed ≤100ms, low false-trigger rate ✓ Wide scenario adaptability - Operating temperature -20°C to +50°C ✓ Low consumption & stable - Some scenarios consume only 2-3 kWh/year ✓ Low cost, easy to implement - Short R&D cycle, rapid product upgrade