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TP4056 1A Linear Lithium-Ion Battery Charger IC SOP-8

TP4056 1A Linear Lithium-Ion Battery Charger IC SOP-8

SKU:S500239

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TP4056 single-cell Li-Ion & LiPo battery charging IC with programmable charging current up to 1A, CC/CV charging, thermal protection, and automatic recharge in SOP-8 package.

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The TP4056 is a complete constant-current/constant-voltage (CC/CV) linear battery charging IC designed for charging a single-cell Lithium-Ion or Lithium Polymer battery. It requires very few external components, Best for portable devices, DIY electronics, embedded systems, battery-powered products, and IoT applications.

The charging current can be programmed using a single external resistor, and the IC automatically terminates charging when the battery reaches full charge. It also includes thermal regulation, under-voltage lockout, and charge status indication.

Features

  • Compatible with TP4056 charging IC
  • Charges single-cell Li-Ion and LiPo batteries
  • Constant Current / Constant Voltage (CC/CV) charging
  • Programmable charging current up to 1A
  • 4.2V regulated charging voltage
  • No external MOSFET or blocking diode required
  • Automatic recharge function
  • Thermal regulation prevents overheating
  • Charge status outputs
  • SOP-8 package
Parameter Value
Part Number TP4056
Package SOP-8
Battery Type Single Cell Li-Ion / LiPo
Input Voltage 4V to 8V
Charging Voltage 4.2V Β±1%
Charging Method Constant Current / Constant Voltage
Maximum Charging Current Up to 1A (Programmable)
Thermal Protection Yes
Automatic Recharge Yes
Charge Status Output Yes
RoHS Yes

Q: What is the TP4056 IC used for?
A: The TP4056 is a linear charging IC used to safely charge a single-cell 3.7V Lithium-Ion (Li-Ion) or Lithium Polymer (LiPo) rechargeable battery.

Q: Can the TP4056 charge an 18650 battery?
A: Yes. The TP4056 is commonly used for charging single-cell 18650 Li-Ion batteries.

Q: What input voltage does the TP4056 require?
A: The TP4056 operates from a regulated 5V power source, such as a USB charger or USB port.

Q: Does the TP4056 include battery protection?
A: No. The TP4056 only controls the charging process. For over-charge, over-discharge, and short-circuit protection, use a separate battery protection circuit.

Q: What is the maximum charging current?
A: The charging current is programmable with an external resistor and can be set up to 1A.

Q: Can the TP4056 charge multiple batteries?
A: No. The TP4056 is designed to charge one single-cell (3.7V) Li-Ion or LiPo battery. It is not suitable for charging multi-cell battery packs (2S, 3S, etc.).

File Name Action
TP4056 - Datasheet(PDF) Download