ABLIC has announced the release of its new S-19193 Series automotive 3 to 6-cell battery monitoring protection ICs. Designed to enhance functional safety compliance for Battery Management Systems (BMS) in electric vehicles (EVs), hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVs), e-Bikes, and other applications, the series aligns with ISO26262 standards for automotive functional safety.
Traditionally, BMS safety was maintained through fail-safe methodologies using microcontrollers (MCUs) and analog front-ends (AFEs) to monitor overcharge and over-discharge conditions. With the rise of automated driving technologies, new challenges demand fail-operational and fail-degraded methodologies that ensure continued operation even in the event of malfunctions. The S-19193 Series addresses these requirements, providing a safer secondary monitoring system capable of maintaining continuous battery monitoring, even when the primary monitoring system fails.
Key features
- ISO26262-Compliant Processes: The S-19193 Series has been developed under ISO26262-compliant processes, achieving an ASIL-B(D) classification for expected use cases.
- Fail-Operational and Fail-Degraded Capabilities: By enabling continued battery monitoring independently from primary monitoring systems, the ICs offer enhanced fail-operational and fail-degraded capabilities, critical for evolving automotive safety standards.
- Stand-Alone Operation: The IC can operate as a stand-alone monitoring circuit without MCU intervention, reducing design complexity while enhancing safety.
- Self-Testing Functionality: Equipped with a self-test function triggered by an external start signal, the IC can detect internal failures and provide real-time monitoring, even in the event of overcharge or over discharge.
- Cascade Function for High-Voltage Monitoring: Supporting cascade configurations with adjacent S-19193 Series ICs, the series simplifies the design of monitoring circuits for high-voltage BMS applications.
Key specifications
- Overcharge Detection Voltage: 2.50 V – 4.50 V ±20 mV
- Overdischarge Detection Voltage: 1.00 V – 3.00 V ±80 mV
- Max Current Consumption During Operation: 20 μA max.
- Max Rating: 28 V
- Operating Temperature Range: -40°C to +125°C
- Package: HTSSOP-16
- Compliance: AEC-Q100 and PPAP support for automotive applications.
Key applications
- Automotive Devices: Battery monitoring in EVs, HEVs, PHEVs, and e-bikes.
- Industrial Equipment: Monitoring applications for capacitors and electric forklifts.
ABLIC's latest product release underscores its commitment to delivering high-quality, safety-focused solutions tailored to the evolving needs of automotive and industrial sectors. More information is available on ABLIC’s official website, including a comprehensive safety manual to assist in the integration of the S-19193 Series within BMS designs.
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