TP4056 (1A Standalone Linear Li-Ion Battery Charger) Datasheet
■The TP4056 is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries. It’s ESOP8/EMSOP8 package and low external component count make the TP4056 ideally suited for portable applications. The TP4056 is designed to work within USB power specifications (wall adaptor or USB supply).
■No external sense resistor or blocking diode is required due to it’s internal PMOSFET architecture and integrated reverse discharge protection. TP4056 limits the charge current based on die temperature during high power operation or high ambient temperature. The charge voltage is fixed at 4.2V, and the charge current can be programmed externally with a resistor. TP4056 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, TP4056 will enter a low current state with battery drain current less than 2μA. TP4056 can also enter a shut-down mode with power supply, lowering supply current to less than 55μA.
■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
■Programmable Charge Current Up to 1000mA
■No MOSFET, Sense Resistor or Blocking Diode Required
■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
■55μA Charge Current in Standby Mode
■2.9V Trickle Charge Threshold
■Soft-Start Limits Inrush Current
■8-Lead ESOP /EMSOP Package
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Standalone Linear Li-Ion Battery Charger 、 complete constant-current/constant-voltage linear charger |
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[ single cell lithium-ion batteries ][ portable applications ][ Cellular Telephones ][ PDAs ][ GPS ][ Charging Docks ][ Digital Cameras ][ Portable Devices ] |
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Datasheet |
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Please see the document for details |
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ESOP;EMSOP;ESOP8;EMSOP8 |
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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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1.3 MB |
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