Details

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BUY BQ24725ARGRR https://www.utsource.net/itm/p/12593597.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	3.0	-	16.0	V	Operating input voltage range
Battery Charge Current	ICHG	-	2.0	5.0	A	Maximum programmable charge current
Pre-charge Current	IPRECH	-	0.2	0.8	A	Maximum programmable pre-charge current
Termination Current	ITerm	-	0.1	0.4	A	Charge termination current
Battery Regulation Voltage	VREG	3.0	-	4.7	V	Battery regulation voltage
System Voltage	VSYS	3.0	-	5.5	V	Output system voltage setting
Thermal Regulation Threshold	TREG	90	-	120	掳C	Temperature threshold for thermal regulation
Efficiency	畏	-	92	-	%	Typical efficiency at nominal conditions

Instructions for BQ24725ARGRR:

1. Power Supply Connection:

   • Connect the input power source to the VIN pin.
   • Ensure the input voltage is within the specified range (3.0V to 16.0V).

2. Battery Connection:

   • Connect the battery to the BAT pin.
   • Verify the battery type and chemistry are compatible with the charger.

3. Charge Configuration:

   • Set the desired charge current using an external resistor connected to the ISET pin.
   • Configure the battery regulation voltage via the VSET pin or internal default settings.

4. System Operation:

   • The device will automatically begin charging the battery when a valid input voltage is detected.
   • Monitor the status indicators (e.g., STAT1, STAT2) to check the charging state and any faults.

5. Thermal Management:

   • If the junction temperature exceeds the thermal regulation threshold, the device will reduce the charge current to prevent overheating.

6. Shutdown Mode:

   • To enter shutdown mode, pull the EN pin low. This disables all functions to minimize quiescent current.

7. Protection Features:

   • The device includes multiple protection features such as over-temperature, short-circuit, and over-voltage protection to ensure safe operation.

8. Application Notes:

   • Refer to the datasheet for detailed application circuits and layout guidelines to optimize performance and reliability.

(For reference only)