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SIM300D VCHG charging current limiter

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ShahbazAli

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Hello there,

In SIM300DZ manual, it is written:

3.5.5 Charger requirements
Following is the requirements of charger for SIM300DZ.
- Output voltage: 5.0V-5.25V
- Charging current limitation: 650mA

While using that charger I have seen that it does not use more than 650mA current. So do I still need to put a 650mA current-limiting circuit on VCHG?

Thanks.
 

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