Maxim Integrated Unveils Industry's First Data Acquisition System to Achieve ASIL-D Compliance for Voltage, Current, Temperature and Communication of a Battery Management System
Maxim Integrated has launched the MAX17852, a 14-channel, high-voltage data-acquisition system designed for automotive battery management systems (BMS). This innovative product meets ASIL-D safety standards, crucial for electric and hybrid vehicles. The MAX17852 ensures accurate voltage and current measurements with a typical cell voltage measurement error of just ±0.45mV. It integrates a current sense amplifier, improving efficiency and reducing size by up to 16%. Priced at $7.52 for bulk orders, the device aims to enhance safety and reduce costs for OEMs in the transportation sector.
- Achieves ASIL-D compliance for enhanced safety in BMS.
- Offers high measurement accuracy for voltage and current, which can improve vehicle mileage.
- Compact design results in 16% smaller size compared to discrete solutions, saving space.
- Integrated current sense amplifier leads to up to 20% cost savings.
- None.
SAN JOSE, Calif., Feb. 2, 2021 /PRNewswire/ -- Designers of automotive battery management systems (BMS) can now deliver the highest level of safety for voltage, current, temperature and communication while also saving space and reducing solution cost, with the MAX17852 14-channel, high-voltage, ASIL-D data-acquisition system from Maxim Integrated Products, Inc. (NASDAQ: MXIM). Designed for integration within electric vehicles, hybrid electric vehicles and other transportation systems, the IC is ideal for smart junction box, 48V and other automotive battery systems which can see voltages up to 400V and beyond.
- For details about Maxim's BMS solutions, visit http://bit.ly/Maxim_BMS
- To order MAX17852 or learn more, visit http://bit.ly/Product_MAX17852
- For a hi-res image, visit http://bit.ly/MAX17852_Image
OEMs and electric vehicle manufacturers require that all battery systems meet the highest safety requirements set by the ISO26262 guidelines. Through comprehensive diagnostics and a safety-driven architecture, Maxim Integrated designed and manufactured the MAX17852 to enable customers to design their systems to meet the highest ASIL-D standards for voltage, current, temperature and communication. The small, cost effective IC also offers the highest accuracy for delivering voltage, current and temperature data with tight time synchronization. It allows a typical cell voltage measurement of ±0.45mV at room temperature and a maximum of ±2mV error in a temperature range of 5 degrees to 40 degrees Celsius, enabling car OEMs to get the most mileage range out of their batteries. With a current sense amplifier capability of +/-300mV, and a gain setting up to 256 times and 0.3 percent current sense gain error, the MAX17852 provides the fastest, most accurate data for calculating power management, state of health and state of charge. The 14-channel battery data acquisition system integrates a current sense amplifier so that current information is acquired at the same time as cell voltage and temperature. The MAX17852 allows both hall effect sensor and shunt resistors to be used as sensing components.
Key Advantages
- Highest Safety: ASIL-D rating for voltage, current, temperature and communication enhances safety
- Highest Accuracy: Measurement accuracy with best current sense amplifier gain error to allow accurate, time-aligned current measurements to potentially boost mileage
- Smaller Size: High integration enables up to 16 percent smaller size than a discrete solution to save board space
- Lower Cost: Integrated current sense amplifier provides up to 20 percent cost savings
- Versatility: The first device that can be adapted to many applications with voltage, current and temperature sensing
Commentary
- "Enabling systems to achieve the highest level of safety (ASIL D) for a BMS system is really a must for consumers to feel safe in their electrified vehicles," said Tamer Kira, executive director for the Automotive Business Unit at Maxim Integrated. "The MAX17852 is the fastest and most accurate in voltage, current and temperature measurements and that is why it is the first battery data acquisition system in the industry to achieve the highest safety rating for all the major components of a BMS system."
Availability and Pricing
- The MAX17852 is available at Maxim's website for
$7.52 (1000-up, FOB USA); also available from authorized distributors - The MAX17852EVKIT# evaluation kit is available for
$250
About Maxim Integrated
Maxim Integrated, an engineer's engineering company, exists to solve the designer's toughest problems in order to empower design innovation. Our broad portfolio of high-performance semiconductors, combined with world-class tools and support, delivers essential analog solutions including efficient power, precision measurement, reliable connectivity and robust protection along with intelligent processing. Designers in application areas such as automotive, communications, consumer, data center, healthcare, industrial and IoT trust Maxim to help them quickly develop smaller, smarter and more secure designs. Learn more at https://www.maximintegrated.com.
Contact: | Gayle Bullock |
408-464-2516 | |
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SOURCE Maxim Integrated Products Inc.
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