过压与反向电池保护控制器, 4.5 V至19 V输入, µMAX-10
The is an ideal diode, reverse battery and overvoltage protection switch/limiter controller with external MOSFETs in 10 pin µMAX package. The slow-quiescent-current overvoltage and reverse-battery protection controller monitors the input voltage on the supply line and control two external pFETs to isolate the load from the fault condition. The external pFETs are turned on when the input supply exceeds 4.5V and stay on up to the programmed overvoltage threshold. During high-voltage fault conditions, it regulates the output voltage to switch to high resistance for the duration of the overvoltage transient to prevent damage to the downstream circuitry. The overvoltage event is indicated through an active-low, open-drain output. The reverse-battery pFET behaves as an ideal diode, minimizing the voltage drop when forward biased. Under reverse bias conditions, the pFET is turned off, preventing a downstream tank capacitor from being discharged into the source.
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
MAX16914AUB+ Maxim Integrated 美信 | 当前型号 | 当前型号 |
MAX16914AUB+T 美信 | 功能相似 | MAX16914AUB+和MAX16914AUB+T的区别 |