芯片型号 | 输入电压范围 | 类型 | 输出电压 | 输出电流 | |
UZ1084 | LDO | step-down converter | adjustable or fixed 1.8V, 2.5V, 2.85V, 3.3V, 5V |
5A | |
UZ1086 | LDO | step-down converter | adjustable or fixed 1.8V, 2.5V, 2.85V, 3.3V, 5V | 1.5A | |
AMS117 | LDO | step-down converter | adjustable or fixed 1.8V, 2.5V, 2.85V, 3.3V, 5V | 800ma | |
SY8008 | 1.8V-5.5V | DC-DC | step-down converter | 1.2A | |
MP1497 | 4.5-16V | DC-DC | step-down converter | adjustable or fixed 1.8V, 2.5V, 2.85V, 3.3V, 5V | 3A |
MC34063 | |||||
XL1509 | 4.5-40V | DC-DC | step-down converter | adjustable or fixed 3.3V, 5V,12V(1.23-37v) | 2A |
MP2307 | 4.75-23V | DC-DC | step-down converter | adjustable 0.925V-20V,3.3V,5V | 3A |
MP1584EN | 4.5-28V | DC-DC | step-down converter | adjustable 1.8,3.3,5,9,12 | 3A |
G5177 | 3-4.2v | DC-DC | step-up converter | 5V | 2A |
SY7208 | 3-4.2v | DC-DC | step-up converter | 5V | 1A |
FP6717 | 2.5-5.25V | DC-DC | step-up converter | 5V | 3A |
电源正常之后切记一定要用示波器看一下波形,这样能发现万用表不能发现的问题(虽然电路也能正常工作,也许工作过程中波形很差,只是万用表看不出来)
锂电池升压至5v方案
https://jingyan.baidu.com/article/5552ef47f4e5bc518efbc95f.html
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PS3120A无电感升压5V200MA
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PL2303低电压0.8V启动
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PS7516/PL2628升压5V1A
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FP6276升压5V2.4A
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FP6277升压5V3A
- TP3600----TP3605