http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104302053-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02B20-40 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H05B37-02 |
| filingDate | 2014-10-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104302053-B |
| titleOfInvention | LED constant current source output detection control circuit and its control method |
| abstract | The invention discloses a kind of LED constant current source output detection control circuit and its control method, it is related to LED drive power technical field；Including output loading, inductance L2, chip U2, power switch pipe Q2, resistance R1, resistance R2；Inductance L2 one end is connected in power switch pipe Q2 drain electrode, and there is a connecting node on the circuit of connection, there is pin VCC, pin VDET and pin DRV on chip U2, power switch pipe Q2 grid is connected on pin DRV, resistance R2 one end is connected on pin VDET, the resistance R2 other end is connected in connecting node, and resistance R1 one end is connected on pin VCC, and the resistance R1 other end is connected on pin VDET and resistance R2 common port；The beneficial effects of the invention are as follows：The inductance degaussing time can be instantaneously obtained, output voltage and input voltage are detected, system constant current effect and system reliability is improved. |
| priorityDate | 2014-10-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 14.