Details

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BUY BQ24773RUYR https://www.utsource.net/itm/p/8930814.html
IC BATTERY CHARGER CRLR 28WQFN

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	4.5		28	V
Charging Current	ICHG			3	5	A
Battery Voltage	VBAT	Float Charge		4.2	4.4	V
Quiescent Current	IQ	No Load		70		μA
Efficiency	η	VIN = 12V, IOUT=1A	88			%
Operating Temperature	TOPR	Storage	-40		85	°C

Instructions for BQ24773RUYR:

1. Power Supply Connection:

   • Connect the input power supply to the VIN and GND pins. Ensure the input voltage is within the specified range of 4.5V to 28V.

2. Battery Connection:

   • Connect the battery to the BAT pin and ensure that the battery voltage does not exceed the maximum specified float charge voltage.

3. Charging Configuration:

   • Set the charging current using an external resistor connected between the ISET pin and GND. Refer to the datasheet for specific resistor values corresponding to desired charging currents.

4. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high input voltages or charging currents. The device should be placed on a PCB with sufficient copper area or thermal vias.

5. Monitoring and Protection:

   • Monitor the device temperature during operation to avoid exceeding the maximum operating temperature. Use the built-in protections like over-temperature and short-circuit protection.

6. System Integration:

   • Integrate the BQ24773RUYR into your system ensuring it meets all electrical and mechanical requirements as specified in the datasheet.

Note: Always refer to the official datasheet for detailed specifications and application notes.

(For reference only)