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BQ24133: Charger recommendation

Part Number: BQ24133
Other Parts Discussed in Thread: BQ25306

Hi Team,

Based on customer‘s following requirement, I recommend BQ24133 to customer.

1. The application ishandheld tracker;
2. Single cell lithium battery charging, charging voltage 4.35V;
3. Without Power Path;
4. The input voltage is 5V, but it can withstand an overvoltage of at least 15V, because it is not ready to add OVP in the previous stage;

5. Charging current above 1.2A, switch type;

Now customer add another requirement: When the DC input is left floating, the BAT leakage current is below 5uA.

Do you have better recommendation? Thanks!

  • Hi Amelie,

    I am aware of a charger with IBAT-Q < 5uA when input is floating unless you put into ship mode.  BQ24133 does not have 4.35V setting, only 4.2V and does not have IBAT-Q < 5uA.  If power path is not needed, then I recommend BQ25306.

    Regards,

    Jeff