Eval » Historie » Version 5
  Redmine Admin, 10.12.2021 15:17 
  
| 1 | 1 | Redmine Admin | h1. Eval | 
|---|---|---|---|
| 2 | |||
| 3 | h2. Battery life | ||
| 4 | |||
| 5 | 5 | Redmine Admin | "Unterschwelleneffekt":https://de.wikipedia.org/wiki/Unterschwelleneffekt / leakage current | 
| 6 | 4 | Redmine Admin | |
| 7 | 1 | Redmine Admin | Buzzer is now driven by MOSFET. The "Zero Gate Voltage Drain Current" is relevant for battery life in unused status. | 
| 8 | "Nexpedia":https://assets.nexperia.com/documents/user-manual/Nexperia_document_book_MOSFETGaNFETApplicationHandbook_2020.pdf | ||
| 9 | 2 | Redmine Admin | Most manufactures specify an "Zero Gate Voltage Drain Current" of 1µA at 20-30V. Temperature has an big impact. | 
| 10 | |||
| 11 | Vergleichen mit verwendetem Transistor; | ||
| 12 | "NPN":https://www.reichelt.de/bipolartransistor-npn-45-v-0-5-a-0-225-w-sot-23-bcx-19-smd-p90184.html (3.2.2019) | ||
| 13 | 3 | Redmine Admin | IE scheint 0, ICB ist mit 100nA angegeben | 
| 14 | |||
| 15 | Einfach Messen... ist sowieso ein guter Geraete-Test |