STMicroelectronics Released L9962 Battery Controller
The new integrated circuit improves power management for lithium-ion and lithium-polymer battery packs.
Updated on Oct. 14, 2026 in Semiconductors
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STMicroelectronics has introduced the L9962, a battery management integrated circuit designed to monitor lithium-ion and lithium-polymer packs. The device supports up to 10 series-connected cells and integrates multiple functions to reduce the need for external components.
Why it matters
By consolidating management functions onto a single chip, the L9962 helps manufacturers streamline battery-pack design and reduce overall component requirements. The device is optimized for efficiency with low power consumption modes suitable for modern portable systems.
The L9962 provides 0.25% current-measurement accuracy and supports cell-balancing currents of 70mA. It is housed in a 48-pin 7mm x 7mm TQFP package and includes standby and deep-sleep modes at 5µA and 2µA, respectively.
The players
STMicroelectronics
STMicroelectronics is a global semiconductor company that designs, develops, and manufactures integrated circuits and microchips for a wide range of electronic applications.
The details
The integrated circuit features an internal 3.3V low-dropout regulator and an I2C interface that enables host systems to track state-of-charge data. It monitors individual cell voltages through a continuous cycle using a programmable loop time.
Timeline
The L9962 battery management IC was released on October 14, 2026.
The Tech Race
The introduction of the L9962 reflects a broader industry trend toward high-density integration in power electronics. By adopting the I2C communication protocol, this device maintains compatibility with standard hardware ecosystems while pushing for reduced board space and system complexity.
Developers and engineers can use this chip to build more efficient and compact battery-powered devices, potentially lowering the production costs of consumer electronics. This standardization allows for more precise monitoring of battery life and charging, leading to more reliable performance for end-users.
The takeaway
The L9962 exemplifies how modern power management chips enable longer battery life through efficient, low-power sleep modes. Integrating these capabilities helps devices stay smaller and more energy-efficient while maintaining high accuracy in cell monitoring.
Further reading
For more information on hardware components, visit Semiconductors.
Source note: This article includes information reported by Electronic Design.
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