With the popularity of mobile devices and the growing demand for electricity, the safety and charging efficiency of chargers have become an important concern.
As an integrated circuit that can accurately sense current, the orbital current sensing IC, the FP355, is a good choice. It is not only widely used in battery chargers, SPS (adapters), battery management systems, multi-port fast charging chargers and other fields, but also plays a huge role in improving user experience and realizing intelligent charging.
Next, let's take a lookRail current detection IC—FP355
The FP355 is a wide common-mode range high siderail current measurement IC. It is suitable for applications in power supply systems such as battery chargers or switching power supplies. It includes a differential input amplifier and an NPN transistor with an emitter output. With three external resistors, the track current signal can be easily converted to an amplified voltage signal from the IC output pin. In addition, the gain can be adjusted by changing the values of these three external resistors.
Independent Supply Voltage: 27 to 28V
Wide input common-mode voltage: 27 to 28V
Maximum usable output voltage (output pin): 6V
Source current transmitter output, 3 resistor gain settings.
Wide temperature range: -20 to +125
Quiescent current: 300 A
Package: SOT23-5L
High-side rail current detector.
SPS (adapter), battery charger.
Sensing network systems.
Battery charger.
Multi-port fast charger.
In summary, as an important part of the field of battery chargers, SPS (adapters), battery management systems, and multi-port fast charging chargers, the track current sensing IC - FP355 has made great contributions to the performance improvement and user experience improvement of related products with its advantages of accurate current detection and control capabilities, rich protection functions, good compatibility and flexibility, as well as high reliability and long life.