
BA111
Single-channel TDS Sensor Interface ASICHighly integrated TDS and water-temperature measurement ASIC with bipolar probe drive and UART control.
Learn More →Applications
Interface ASICs, compact probes and customizable sensing assemblies for connected water appliances.

Application approach
Interface ASICs, compact probes and customizable sensing assemblies for connected water appliances.
Measurement points
Implementation
Products
Final selection depends on parameters, installation and validation.

Highly integrated TDS and water-temperature measurement ASIC with bipolar probe drive and UART control.
Learn More →
High-resolution low-conductivity measurement ASIC for purified-water and precision applications.
Learn More →
Wide-range dual-channel TDS and temperature ASIC with probe diagnostics, two-point calibration and automatic BURST mode.
Learn More →Insights
For product teams integrating Water Detective 4 into water purifiers, formula milk makers, pet water fountains, and smart water appliances, this guide outlines the complete path from requirement definition, structural adaptation, firmware communication, calibration, to mass production verification, and explains the engineering boundaries of portable AI-based water quality detection.
Read Article →For scenarios such as comparing water purifier effectiveness, maternal and infant drinking water, and pet water fountains, this article analyzes the engineering logic behind compressing nine indicators—TOC, COD, UV254, TDS, EC, turbidity, hardness, salinity, and temperature—into a portable pen with the Water Detective 4, and what AI models can and cannot do in household water sample screening. It also provides actionable verification and selection methods.
Read Article →The BA311 integrates automatic TDS measurement into an SOT23-6 package, offering a low-footprint, bipolar-drive, wide-voltage-supply interface solution for space-constrained smart water appliances. This article covers integration highlights, boundary conditions, and verification methods from the perspectives of PCB space, interface, probe, power consumption, structure, and assembly testing.
Read Article →Start a project
Share the application, target parameters, installation space, interface and estimated quantity. Our team will recommend a product or customization route.