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12v蓄电池供电下GSM电源芯片推荐

Other Parts Discussed in Thread: TPS54260, TPS62130, TPS5430, TPS62130A

系统使用12v蓄电池或者15Vdc供电,求推荐个DCDC芯片到18V左右输入转3.8v-4v,要求是gsm通讯最高需要达到2A电流,但是平时大多时候进入低功耗状态只有1-2mA,要整个系统尽量最低功耗,