Editor’s Choice ABLIC launches S-19116 Series Slashes Detection
Time by 92 per cent with 6.8μs Response ABLIC, a group company of MinebeaMitsumi Inc., this month launched the S-19116 Series, a new automotive high-voltage detector featuring the industry's fastest detection response time of max. 6.8μs while achieving ultra-low current consumption of 2.0μA typ.
W
hile industry standard voltage monitoring response times typically range from tens to hundreds of μs when detecting overvoltage faults, the new S-19116 Series achieves an industry-leading detection response time of max. 6.8μs, representing approximately
92 per cent reduction compared to conventional products. Additionally, this detector significantly reduces system standby current and comes in an ultra-compact HSNT-6 (1.96×2.46×t0.5mm) package, meeting the growing demands for space optimisation in today's automotive equipment. As an example of functional safety measures to mitigate the impact
of potential failures, overvoltage protection is essential when supplying voltage from a battery through a regulator to MCUs and sensors. Te countermeasure involves detecting irregularities such as overvoltage in the regulator output using a voltage detector, and safely resetting the MCU. However, during this process, the voltage supplied from the regulator to
the MCU and sensors continues to rise, potentially exceeding the ECU’s voltage tolerance and creating a risk to system safety and functional safety compliance. Tis has been a significant technical trade-off in addressing this
challenge. While increasing the detection response speed of the voltage monitoring function can mitigate the safety risk, faster detection response typically increases current consumption, which in turn increases the system's standby current, a critical concern for engineers working to minimise power consumption. Te S-19116 Series significantly enhances functional safety for
automotive applications by delivering improvements in both detection speed and current consumption performance.
Major features Fast voltage detection response speed and low current consumption Achieves both the industry's fastest detection response time, a 92 per cent reduction compared to industry’s conventional products, and low current consumption of 2.0μA. Increasing the overvoltage detection response speed makes it so that
monitoring of voltage increases occurs quicker, ensuring faster output of detection signals to the microcontroller and thereby improving system safety. Te low current consumption of 2.0μA during operation also contributes to lower standby current for the overall system.
The ultra-small package contributes to a smaller footprint Use of the HSNT-6 (1.96 mm×2.46 mm×t0.5 mm) ultra-small automotive package allows for an approximately 20 per cent smaller footprint than conventional products.
36 May 2025
www.electronicsworld.co.uk
The SENSE pin to which monitoring voltage is input allows for a wide range of input voltages from -30 V to 45 V Negative voltage can be applied to the SENSE pin. Because the SENSE
pin can be connected upstream of the reverse current protection diode installed each ECU, the product can also be used for applications requiring high-accuracy, direct monitoring of I/G and battery voltage.
Automotive application quality Te product undergoes three-temperature tests (low temperature, normal temperature, and high temperature). It is also planned to be made compliant with the AEC-Q100 reliability and quality assessment tests by the AEC (Automotive Electronics Council). PPAP (Production Part Approval Process) compliance is also planned. Te product can be used in the severe environments of automobile applications.
Major Specifications • Operation voltage range: 3.0 V to 36.0 • Voltage detection range: 8.0 V to 24.0 V • Detection voltage accuracy: ±1.5 per cent (Ta=-40o
C to +125o
• Current consumption during operation: 2.0µA typ. • Detection response time: 6.8µs max. • Release delay time: 10ms typ. (CD=3.3 nF) • Operating temperature: -40 to +125o
C
• Packages: SOT-23-5, HSNT-6(2025) • AEC-Q100 compliant • PPAP support available
Application Examples • Automotive applications (engines, transmissions, suspensions, ABS, EV/HEV/PHEV, etc.)
• Automotive battery voltage detection
Key Applications • DC/DC Converter • On Board Charger (OBC) • ADAS Domain Controller • Battery Management System (BMS) • Inverter
C)
• Hysteresis width: Selectable from 0 per cent, 2.3 per cent, 5 per cent, 9 per cent
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