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US 2014/0211353 A1Published application
Protection circuit for fan control chip
AssigneesHon Hai Precision Industry Co., Ltd., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
InventorCHAO-RONG LAI
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Abstract
A protection circuit is connected between a fan control chip and a fan connector. The protection circuit includes a first resistor and a diode. A detecting pin of the fan control chip is connected to the anode of the diode. The cathode of the diode is connected to a detecting pin of the fan connector. The anode of the diode is also connected to a first power source through the first resistor.
Claims3
A protection circuit comprising:
- a fan control chip comprising a first detecting pin;
- a fan connector comprising a second detecting pin;
- a first resistor;
- and
- a diode comprising an anode and a cathode;
- wherein the anode of the diode is connected to the first detecting pin of the fan control chip, the cathode of the diode is connected to the second detecting pin of the fan connector, the anode of the diode is also connected to a first power source through the first resistor.
3 more elements
Dependencies are inferred from the claim text.