POS machine charging port protection scheme

一、Scheme protection circuit diagram


POS机充电口保护方案

 

二、Application background

1. Static surge protection for charging ports of POS machines and similar handheld devices;

2. Products with high demand for anti-static surge;

 

三、Explanation of the plan

1. Adopt OVE66E92S1M 150A high current low clamping device to improve the static electricity and surge capability of the power port;

2. Can pass GB_T17626.2-2006 (IEC61000-4-2) contact 8KV, air 15KV test;

3. Can pass GB_T17626.5 (IEC61000-4-5) 350V test;