Scheme introduction:
Our development cycle is short and our development technology is mature, which can meet the needs of suppliers and terminal manufacturers. Our board online sales channels cover a wide range of areas. 1688 wholesale networks naturally rank ahead of others, and Huotong is nationwide to seize the market in advance.
The small fan is a portable cooling artifact that is suitable for most people. Whether it's on the way home from work, taking the bus or the subway, or playing in outdoor activities on holidays, it's his home court, making you feel cool all the time.
Small fan circuit board
1. Functions: three speed regulation, charging and discharging, boost soft start function, output over-current and short protection function;
2. LED indication: the charging red light is on, the full green light is on, and the fan turns green light is on;
3. Technical parameters:
A. Charging voltage 5VDC, no-load current 33uA,
B. First gear 5.2V, second gear 7.2V, third gear 9V output and first gear 4.7V, second gear 5.6V, third gear 6.5V output
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Performance parameter:
Industry classification: consumer electronics
Delivery form: PCBA
Performance parameters: gear: 3, charging voltage: 5V, no-load current: 33uA
Application scenario: bus and subway, outdoor activities, travel and play, indoor activities