欠壓鎖定
欠壓鎖定(Undervoltage-Lockout)簡稱UVLO,是電子設備中在電源電壓低於正常工程準位時,切斷電源的電路。在嵌入式系統中常會用UVLO監控電池電壓,若電壓低於一定值,會直接切斷電源,保護嵌入式系統的電路
許多電子設備中都有UVLO的功能,例如在鎮流器中就有UVLO電路,若電壓過低時直接切斷電源。
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