TP4056X (1A Standalone Linear Li-Ion Battery Charger)
■The TP4056X is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries. Its ESOP8 package and low external component count make the TP4056X ideally suited for portable applications. The TP4056X is designed to work within USB power specifications (wall adaptor or USB supply).
■No external sense resistor or blocking diode is required due to its internal PMOSFET architecture and integrated reverse discharge protection. TP4056X limits the charge current based on die temperature during high power operation or high ambient temperature. The charge voltage is fixed at 4.35V or 4.2V, and the charge current can be programmed externally with a resistor. TP4056X automatically terminates the charge cycle when the charge current drops to 1/10th of the programmed value after reaching the final float voltage.
■When input power supply is removed, TP4056X will enter a low current state with battery drain current less than 1μA. TP4056X can also enter a shut-down mode with power supply, lowering supply current to less than 70μA.
■Other features include cell temperature monitor, under voltage lockout, automatic recharge and two LED status indication pins for charge termination and presence of an input voltage.
●FEATURES
■Positive and negative electrodes of lithium battery reverse polarity protection
■Input terminal reverse polarity protection (Need to connect RCE resistor)
■Power adaptation
■Programmable Charge Current Up to 1000mA
■Complete single-cell linear Li-Ion battery charger in ESOP8/EMSOP8 Package
■Constant-Current/Constant-Voltage operation with thermal regulation
■Preset 4.2V Charge Voltage with 1% Accuracy
■Automatic Recharge
■Automatic End-of-charge control
■UVLO
■Two Charge Status Output Pins
■C/10 Charge Termination
■70μA Charge Current in Standby Mode
■2.9V Trickle Charge Threshold
■Soft-Start Limits Inrush Current
■8-Lead ESOP Package
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Standalone Linear Li-Ion Battery Charger 、 complete constant-current/constant-voltage linear charger |
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[ portable applications ][ single cell lithium-ion batteries ][ Cellular Telephones ][ PDAs ][ GPS ][ Digital Cameras ][ Portable Devices ][ Charging Docks ] |
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Datasheet |
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Please see the document for details |
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ESOP8;ESOP |
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English Chinese Chinese and English Japanese |
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2024/9/2 |
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REV_2.4 |
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1.6 MB |
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