
ABLIC, has unveiled the S-19193 Series, a cutting-edge line of 3 to 6-cell automotive battery monitoring protection ICs designed to enhance the safety and reliability of Battery Management Systems (BMS) in electric vehicles (EVs), hybrid EVs (HEVs), plug-in HEVs (PHEVs), e-bikes, and industrial applications.
These ICs address the growing demand for functional safety compliance with the ISO 26262 standard for automotive electronics, ensuring safety through fail-safe, fail-operational, and fail-degraded methodologies.
Key Innovations and Features
- Secondary Monitoring for Fail-Operational BMS
- Enables continued battery monitoring even if the primary system fails.
- Operates independently of microcontroller (MCU) control, providing a safer backup system.
- Enhanced Functional Safety
- Developed under ISO26262-compliant processes, achieving ASIL-B(D) classification.
- Supports functional safety design through a downloadable Safety Manual.
- Self-Test Functionality
- Simplified internal failure detection via an external start signal.
- Enables early identification of potential monitoring function failures.
- Cascade Functionality
- Allows seamless integration with adjacent S-19193 Series ICs using a photocoupler.
- Simplifies circuit design for high-voltage BMS with multiple serially connected batteries.
- Robust Specifications
- Overcharge detection voltage: 2.50 V to 4.50 V ±20 mV.
- Over-discharge detection voltage: 1.00 V to 3.00 V ±80 mV.
- Current consumption: 20 µA max.
- Operating temperature: -40°C to +125°C.
- AEC-Q100 and PPAP compliant.
- Stand-Alone Operation
- Reduces design complexity by enabling a secondary monitoring circuit without additional MCU intervention.
Applications
- Automotive: Battery monitoring in automotive, HEVs, PHEVs, and e-bikes.
- Industrial: Monitoring for electric forklifts, capacitor systems, and other high-voltage equipment.
Commitment to Safety and Quality
ABLIC’s S-19193 Series supports advancements in automated driving technologies by ensuring continuous battery monitoring under fail-operational and fail-degraded conditions. The ICs mitigate risks of joint failure through independent secondary monitoring and adhere to the Production Part Approval Process (PPAP) and AEC-Q100 Grade 1 standards.
Click here to learn more about the S-19193 Series.