SigmaEIS Onboard Battery Impedance Sensing

SigmaSense is a semiconductor and software company whose privacy policy lists an address in Austin, Texas. It develops a platform that turns raw signals into real-time, high-fidelity data, used in battery monitoring and interactive display touch sensing, and reports more than 200 patents covering over 600 inventions.

SigmaEIS for Batteries is an onboard electrochemical impedance spectroscopy (EIS) semiconductor and software solution with a SigmaEIS Development Kit. A direct-to-digital sensing architecture puts high-resolution EIS on a chip, measuring the full impedance signature instead of only voltage, charge and temperature. The target uses are battery management for AI data centers and utility-scale energy storage, and NXP Semiconductors licenses SigmaSense technology.

• Onboard EIS chip: a semiconductor places electrochemical impedance spectroscopy directly on the battery system.
• Full impedance signature: frequency response, current, diagnostics and safety metrics are measured.
• Direct-to-digital architecture: high-resolution sensing is implemented on a chip.
• Development kit: a custom semiconductor with configurable software supports multiple battery formats and chemistries.
• Health analytics: state-of-health estimation and predictive maintenance for batteries.
• Low-current measurement: BatteryEIS measurement is stated at below 100 mA.

Energy storage integrators in Vietnam can use onboard EIS for state-of-health tracking in battery energy storage systems. Data center operators can evaluate it for UPS battery monitoring and predictive maintenance.

Onboard EIS gives battery health insight that previously required lab equipment. The development kit is stated to deliver lab-quality data in less than 30 minutes. The chip-level approach offers smaller size, lower power use, faster throughput and better noise rejection. Support covers multiple battery formats and chemistries.

AI data centers and utility-scale storage need continuous battery health and safety monitoring, pushing impedance measurement from the lab onto the board. Vietnam and ASEAN are adding solar-plus-storage and data center capacity, which raises demand for battery diagnostics.

Address in Austin, Texas per its privacy policy. In October 2025 appointed Peter Vancorenland as CEO and Alessandro Piovaccari as SVP of Engineering. Reports more than 400 patents in press coverage and NXP as licensee and co-development partner.