ZMD AG introduces the ZSSC1750 and ZSSC1751 high-precision data acquisition system base chips (SBC) for vehicles. As a global provider of analog and mixed-signal solutions for automotive, industrial, medical, information technology and consumer applications, ZMDI has developed a new battery management IC to expand its battery sensing and battery management portfolio. The ZSSC1750 and ZSSC1751 include two high precision, high resolution analog to digital converters (ADCs) for simultaneous measurement of battery voltage and current as well as internal and external temperatures. In addition, the ZSSC1750/1751 chip has a variety of power-saving modes of operation, including automatic periodic wake-ups that can run the entire sleep mode of the original. In the event of a fault (eg exceeding a predetermined current, voltage or temperature threshold), these SBCs will automatically wake up and alert the higher level controller. Both SBCs are controlled via the SPI interface. The ZSSC1750 can also use the LIN physical interface with additional communication options.
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Josef Janisch, ZMDI Global Composite Sensor Product Manager, said that "the ZSSC1750 and ZSSC1751 system base chips are best suited for accurate data acquisition tasks in critically safe environments, such as lead-acid battery monitoring in automotive applications." Two simultaneous high-resolution analog-to-digital converters with multiple programmable acquisition amplifiers enable complex battery management tasks from milliamps to kiloamps. Using a standard SPI interface, these products are compatible with any size and type of microcontroller, providing customers with the most economical solution and best option based on customer requirements.
ZSSC1750 and ZSSC1751 features:
Accurate prediction of battery normal operating state (SOH), state of charge (SOC), or functional state (SOF) with integrated precision measurement solution
Two high-precision 24-bit sigma-delta analog-to-digital converters; 18-bit no code loss
Voltage channel input measurements range from 3.6 V to 28.8 V with an accuracy of ±60 ppm full scale
16-position internal and external temperature measuring device
Sleep mode current consumption is only 60 μA (standard)
Embedded self-test and diagnostics
Supply and pricing
The ZSSC1750 and ZSSC1751 are in full production. ZMDI offers parts and evaluation kits.
The products are sold in units of 1000, each ZSSC1750 is priced at 4.05 euros or 5.67 dollars, and the price of each ZSSC1751 is 3.91 euros or 5.47 dollars.
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