Littlefuse has extended its ITV4030 range of three-terminal, surface-mount lithium-ion battery protectors with new devices which have a higher 22 A current rating.
The ITV4030 range already included battery protectors for 12 A and 15 A systems. The devices are suitable for single-cell batteries, and multi-cell batteries consisting of up to five cells in series. Offering a fast response time, the ITV4030 products protect battery packs against damage caused by over-current or over-charging.
An embedded three-terminal fuse in the device cuts off the circuit in the event of an over-current event. A heater element, directly embedded under the fuse element, generates enough heat to blow the fuse when over-charging is detected by a FET or other IC.
The ITV4030 battery protectors have a footprint of 4 mm x 3 mm. They are UL and TUV certified, easing manufacturer compliance and approval processes.
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