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请问有没有好的蓄电池充电芯片呢，太阳能供电 12V蓄电池 系统功耗3.3V 最大工作电流200mA左右，请专家们指导一下，谢谢
bq24650应该满足你的需求，请参考。
focus-webapps.ti.com/.../searchdevice.tsp;jsessionid=KT1OWVIJ4HMYPQC1JAVRF2Q
