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Sensata Launches New i-BMS Battery Management System

Sensata Technologies has introduced its new i-BMS battery management system (BMS) for electrified applications up to 60V.

Sensata The new i-BMS Battery Management System from Sensata’s Lithium Balance product brand, acquired by Sensata earlier in the year, is cell chemistry agnostic, compact, integrated BMS developed for the cost-optimized mass-production of applications up to 60V, such as 2-, and 3-wheelers, automated guided vehicles (AGVs), and robotics.

Hot-swap functionality and parallel battery pack support allow for the ability to quickly exchange depleted batteries with fully charged batteries.

For electric motorbikes and three-wheelers, instead of needing to recharge for several hours every evening, fully charged batteries can be rapidly installed in the field at battery swap stations, practically eliminating the need to wait and charge on the road and helping alleviate end-users concerns around charging time.

Parallel pack support allows the use of two or more battery packs in parallel. This functionality allows OEMs of 2- and 3-wheelers to have smaller battery modules, improving the safety and serviceability of the battery system. For example, if one battery cell fails while in use, the issue is isolated to that one faulty module which is easier to replace than the entire system and additional battery packs can continue to provide power.

While measuring only 65 x 200 mm (2.6 x 7.9 in), the i-BMS PCB board is equipped with everything required to manage and maintain a battery system without the need for any external components, making it convenient and cost-efficient design for mass production.

The advanced algorithms in Sensata’s BMS software ensure accurate state-of-power (SOP) predictions based on cell internal resistance, voltage and current constraints, precise state-of-charge (SOC) calculations, and (state-of-health) SOH calculated based on aging effect.

The high degree of accuracy in assessing the state of the battery allows for a more precise battery system, helping customers maximize utilization of the battery, and increase range, uptime and performance of the vehicle.

In addition, the BMS Creator configuration software allows the battery pack designer to create a unique battery setup by defining application-specific BMS parameters and safety strategies, optimizing battery operation.

Other advanced software features include measurement of the rate of change of temperature to predict thermal runaway, dynamical regulation of current in extreme thermal conditions, as well as advanced parameter settings for CAN communication.

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Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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