ISL9116BIRN-EVZ

The ISL9116BIRN-EVZ is a lithium-ion polytrack battery charger evaluation board from Intersil Corporation. It enables users to evaluate the performance and features of the ISL9116L IC. This evaluation board has the capability to support both Li-ion and LiPolymer batteries with single-cell or multi-cell stack. The board delivers a constant voltage charge with a termination current of 0.5A, and allows tuning of the charge current and voltage. The ISL9116BIRN-EVZ application field is mainly for laboratory testing and the industrial control of distributed power sources.

This evaluation board is designed to evaluate the ISL9116L charger controllers and to provide a method for establishing an optimized operating environment for the ISL9116L. It is suitable for engineering development, lab evaluation, and small-scale production line tests. The inputs, power, control, and status signals that are collected within this evaluation board facilitates the testing of ISL9116L battery charger controllers.

The working principle of the ISL9116BIRN-EVZ involves the use of a constant voltage charger to charge a lithium-ion or lithium-polymer battery. The constant voltage is delivered by a MOSFET power switch that is incorporated in the board. The onboard 3.3V LDO provides the voltage for the microcontroller and other circuits in the board. The ISL9116L charger controller continuously monitors and regulate the output voltage of the power switch to ensure that the battery is charged correctly. In addition to the constant voltage, a current-limited termination is also incorporated into the circuit to prevent overcharging. The current limit value can be adjusted with a voltage adjustable terminal.

In conclusion, the ISL9116BIRN-EVZ is an evaluation board from Intersil Corporation that is designed to evaluate the performance and features of the ISL9116L IC. It is suitable for engineering development, lab evaluation, and small-scale production line tests. The working principle involves the use of a constant voltage charger to charge a lithium-ion/li-polymer battery with a MOSFET power switch and current-limited termination to ensure the safety of the charging process.