Details

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BUY SMB5929B https://www.utsource.net/itm/p/9466740.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	4.35	-	5.5	V	Operating input voltage range
Output Voltage	VOUT	3.7	-	4.2	V	Configurable output voltage
Charging Current	ICHG	100	500	1000	mA	Programmable charging current
System Current Limit	ISYS	100	1500	3000	mA	Maximum system current limit
Battery Capacity	BCAP	-	-	3000	mAh	Maximum battery capacity supported
Battery Voltage	VBATT	3.0	-	4.2	V	Battery voltage operating range
Thermal Regulation	TREG	-	80	120	掳C	Temperature at which thermal regulation activates
Over-Temperature Protection	OTP	-	140	160	掳C	Temperature at which protection triggers
Under-Voltage Lockout	UVLO	2.9	-	3.0	V	Input voltage below which the device shuts down
Efficiency	畏	-	90	-	%	Typical efficiency during operation

Instructions for Use

1. Input Connection:

   • Connect the input power source to the VIN pin. Ensure the input voltage is within the specified range (4.35V to 5.5V).

2. Output Configuration:

   • Set the desired output voltage (VOUT) using the configuration pins or external resistors as specified in the datasheet.

3. Charging Current Setting:

   • Program the charging current (ICHG) by connecting an appropriate resistor to the ISET pin or using the I2C interface if available.

4. System Current Limit:

   • Configure the system current limit (ISYS) to prevent overloading the power supply. This can be set via an external resistor or through the I2C interface.

5. Battery Connection:

   • Connect the battery to the BATT pin. Ensure the battery voltage is within the operating range (3.0V to 4.2V).

6. Thermal Management:

   • Monitor the temperature of the device. If the temperature exceeds 80掳C, the device will enter thermal regulation mode to reduce heat generation.

7. Over-Temperature Protection:

   • The device will shut down if the temperature reaches 140掳C to 160掳C to prevent damage.

8. Under-Voltage Lockout:

   • The device will shut down if the input voltage drops below 2.9V to 3.0V to protect the system from low voltage conditions.

9. Efficiency Monitoring:

   • Regularly check the efficiency of the device to ensure optimal performance. Typical efficiency is around 90%.

10. Safety Precautions:

    • Always follow safety guidelines to prevent electrical hazards and damage to the device.
    • Ensure proper ventilation and cooling to maintain optimal operating temperatures.

For more detailed information, refer to the specific datasheet of the SMB5929B.

(For reference only)