{"id":4232,"date":"2021-12-08T11:07:54","date_gmt":"2021-12-08T11:07:54","guid":{"rendered":"https:\/\/manlybattery.com\/?p=4232"},"modified":"2021-12-08T11:07:54","modified_gmt":"2021-12-08T11:07:54","slug":"principio-del-pcm-de-la-bateria-de-litio","status":"publish","type":"post","link":"https:\/\/manlybattery.com\/es\/lithium-battery-pcm-principle\/","title":{"rendered":"Principio del PCM de la bater\u00eda de litio"},"content":{"rendered":"<p>La raz\u00f3n por la que las bater\u00edas de litio necesitan protecci\u00f3n se debe a sus propias caracter\u00edsticas. Dado que el propio material de la bater\u00eda de litio la protege de sobrecargas, sobredescargas, sobrecorrientes, cortocircuitos y cargas y descargas a temperaturas ultraaltas, sus componentes siempre contar\u00e1n con una placa de protecci\u00f3n de alta calidad.<\/p>\n<p>Las placas de protecci\u00f3n de bater\u00eda de litio ordinarias generalmente incluyen circuitos integrados de control, interruptores MOS, resistencias, condensadores y dispositivos auxiliares FUSE, PTC, NTC, ID, memoria, etc. Entre ellos, el circuito integrado de control controla el interruptor MOS para que se encienda en todas las condiciones normales para hacer que la celda y el circuito externo conduzcan, y cuando el voltaje de la celda o la corriente de bucle excede el valor especificado, controla inmediatamente el interruptor MOS para que se apague para proteger la seguridad de la celda.<\/p>\n<p>Cuando la placa de protecci\u00f3n est\u00e1 en condiciones normales, Vdd es alto, Vss y VM son bajos, y DO y CO son altos. Al cambiar cualquier par\u00e1metro de Vdd, Vss o VM, tambi\u00e9n cambia el nivel de DO o CO.<br \/>\n1. Voltaje de detecci\u00f3n de sobrecarga: en condiciones normales, Vdd aumenta gradualmente hasta el voltaje entre VDD y VSS cuando el terminal CO cambia de nivel alto a nivel bajo.<br \/>\n2. Voltaje de liberaci\u00f3n de sobrecarga: En el estado de carga, Vdd disminuye gradualmente hasta el voltaje entre VDD y VSS cuando el terminal CO cambia de nivel bajo a nivel alto.<br \/>\n3. Voltaje de detecci\u00f3n de sobredescarga: en condiciones normales, Vdd disminuye gradualmente hasta el voltaje entre VDD y VSS cuando el terminal DO cambia de nivel alto a nivel bajo.<br \/>\n4. Voltaje de liberaci\u00f3n de sobredescarga: En el estado de sobredescarga, Vdd aumenta gradualmente hasta el voltaje entre VDD y VSS cuando el terminal DO cambia de nivel bajo a nivel alto.<br \/>\n5. Voltaje de detecci\u00f3n de sobrecorriente 1: en condiciones normales, VM aumenta gradualmente hasta el voltaje entre VM y VSS cuando DO cambia de nivel alto a nivel bajo.<br \/>\n6. Voltaje de detecci\u00f3n de sobrecorriente 2: en el estado normal, VM aumenta de OV al voltaje entre VM y VSS cuando el terminal DO cambia de alto a bajo a una velocidad de 1 ms o m\u00e1s y 4 ms o menos.<br \/>\n7. Voltaje de detecci\u00f3n de cortocircuito de carga: en condiciones normales, VM comienza desde OV y aumenta hasta el voltaje entre VM y VSS cuando el terminal DO cambia de nivel alto a nivel bajo a una velocidad de 1 \u03bcS o m\u00e1s y 50 \u03bcS o menos.<br \/>\n8. Voltaje de detecci\u00f3n del cargador: en el estado de sobredescarga, VM disminuye gradualmente con OV hasta el voltaje entre VM y VSS cuando DO cambia de nivel bajo a nivel alto.<br \/>\n9. Consumo de corriente durante el funcionamiento normal: en condiciones normales, la corriente (IDD) que fluye a trav\u00e9s del terminal VDD es el consumo de corriente durante el funcionamiento normal.<br \/>\n10. Consumo de corriente por sobredescarga: en el estado de descarga, la corriente (IDD) que fluye a trav\u00e9s del terminal VDD es el consumo de corriente de descarga por sobrecorriente.<\/p>","protected":false},"excerpt":{"rendered":"<p>The reason why lithium batteries need protection is determined by their own characteristics. Since the material of the lithium battery 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