Details

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BUY LP4054HB5F https://www.utsource.net/itm/p/12606674.html

Parameter	Symbol	Min	Typical	Max	Unit
Input Voltage	VIN	3.0	-	6.0	V
Battery Charge Voltage	VCHG	-	4.2	4.2	V
Pre-charge Current	IPRCHG	-	1/10 C	1/10 C	A
Fast Charge Current	ICHG	0.1	1.0	1.2	A
Charge Termination Current	ITERM	-	1/10 C	1/10 C	A
Charge Time Out	TTO	-	7	7	Hours
Battery Voltage Detection	VBDET	2.9	-	3.1	V
Thermal Regulation	TREG	-	120	120	掳C
Operating Temperature	TOPR	-40	-	85	掳C
Storage Temperature	TSTG	-40	-	85	掳C

Instructions for LP4054HB5F

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 3.0V to 6.0V to avoid damage to the device.

2. Battery Charge Voltage (VCHG):

   • Set the charge voltage to 4.2V for standard lithium-ion batteries. This value can be adjusted if necessary but should not exceed 4.2V to prevent overcharging.

3. Pre-charge Current (IPRCHG):

   • The pre-charge current is typically set to 1/10th of the fast charge current. This helps to safely charge deeply discharged batteries.

4. Fast Charge Current (ICHG):

   • Set the fast charge current based on the battery capacity. For example, for a 1000mAh battery, the fast charge current can be set to 1.0A. Do not exceed the maximum current rating of the battery.

5. Charge Termination Current (ITERM):

   • The charge termination current is typically set to 1/10th of the fast charge current. When the charging current drops below this threshold, the charger will terminate the charging process.

6. Charge Time Out (TTO):

   • The charger will automatically terminate the charging process after 7 hours to prevent overcharging and potential damage to the battery.

7. Battery Voltage Detection (VBDET):

   • The charger will detect the battery voltage and start charging when it is below 3.1V. If the battery voltage is above 3.1V, the charger may enter a different mode or wait for the voltage to drop.

8. Thermal Regulation (TREG):

   • The charger includes thermal regulation to prevent overheating. If the temperature exceeds 120掳C, the charging process will be paused until the temperature returns to a safe level.

9. Operating Temperature (TOPR):

   • The device is designed to operate within a temperature range of -40掳C to 85掳C. Ensure that the operating environment stays within these limits to maintain optimal performance.

10. Storage Temperature (TSTG):

    • Store the device in an environment with a temperature range of -40掳C to 85掳C to prevent damage during storage.

(For reference only)