Surface mount Li-ion battery protection
Littelfuse has launched a series of three-terminal, surface mountable li-ion battery protection devices to guard against the damage caused by both overcurrent and overcharging in mobile and portable applications including smart appliances, consumer electronics and power tools.
The design of the ITV series provides fast response and reliable performance to interrupt the charging or discharging circuit before the battery pack becomes overcharged or overheated.
The battery protection series product line is available in current ratings of 12A, 15A, 30A and 45A and five surface-mount packages.
“The ITV Series is an important addition to our li-ion battery protection portfolio, helping solve customer applications requiring current ratings from 12A to 45A,” said Stephen Li, Global Product Manager at Littelfuse. “Here’s how it works: An embedded fuse element cuts off the circuit when overcurrent issues occur. A heater element, directly embedded under the fuse element, generates enough heat to blow the fuse once overcharging is detected by IC or FET.”
This combination of robust overcurrent / overvoltage protection and surface mountable packaging is recommended for li-ion battery packs used in power tools, robotic appliances, e-bikes and e-scooters, Uninterruptable Power Supplies (UPS) and emergency radio and eCall systems.
The low internal resistance of the battery protection devices minimizes power loss and the series has UL and TUV certifications aid compliance with industry standards.
The ITV Series surface mount battery protectors are available in tape and reel format in quantities of 3,000. Sample requests may be placed through authorized Littelfuse distributors worldwide.
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