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TP4056 1A Linear li-Ion Battery Charger

TP4056 1A Linear li-Ion Battery Charger

Single-chip solution integrating linear charger & synchronous boost. 1A rate, 93% efficiency, 10μA standby.

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pcs
Full Part NumberTP4056
Brand / ManufacturerTPOWER
DatasheetDownload
Package TypeESOP8
MOQ / SPQ4000/Reel
Mounting StyleSMD/SMT
Input Voltage Range4.5V ~ 5.5V
Output Voltage & Current4.2V / 1A
Output Voltage Range4.2V
Output Current Range0 ~ 1A
Charge CurrentUp to 1A (Programmable)
Charge Voltage4.2V（±1%）
Standby Power Consumption< 1μA (BAT Standby, VCC=0V)
Quiescent Current40μA ~ 80μA (Input Standby) / 0-2μA (BAT Standby)
Peak Current1.2A
RDS(on)500mΩ
Supply Voltage 4.5V ~ 5.5V
Operating Temperature-40℃ ~ +85℃
Semiconductor MaterialSilicon
Battery ChemistryLi-ion / Li-Polymer
Battery Cell Count1
Protection FeaturesUVLO, Reverse Battery Protection, Short-Circuit Protection, Intelligent Thermal Regulation (125℃ Junction), NTC Temperature Monitoring (45%-80% VCC), C/10 Auto-Termination
PackagingTape / Reel
Battery Temperature MonitoringNTC temperature monitoring (TEMP pin), threshold: Vtemp-L=45% VCC / Vtemp-H=80% VCC
Working ModeLinear
The TP4056 is a single lithium-ion battery constant current / constant voltage linear charger，adopt ESOP8 package with heat sink at the bottom and simple external  application circuit ， very suitable for portable device applications, USB power supply and adapter power supply work ， internal use of anti-reverse charging circuit ， no external isolation diode is required.The thermal feedback can automatically adjust the charging
current，in order to operate at high power or high ambient temperature conditions to limit the chip temperature. 

KEY FEATURES 

  • Up to 1A Charging Current 
  • No MOSFET or Blocking diode Required 
  • Intelligent Thermal Regulation
  • ntelligent Recharging Function
  • Preset Charge Voltage：4.2V
  • C/10 Charge Termination
  • 2.9V Trickle Charge Threshold
  • Package：ESOP8

APPLICATIONS

  • Mobile Phone、PDA、MP3/MP4
  • Bluetooth headset、GPS、Electronic dictionary
  • Power bank
  • Mini audio and other portable equipment

Download TP4056 Datasheet

What is the Minimum Order Quantity (MOQ)?

Standard MOQ is 1 Reel. Sample orders are accepted in smaller quantities. Please contact us for custom arrangements.

Are your products guaranteed authentic?

All products are genuine, factory-sourced components. Certificate of Analysis (COA) and Datasheet are available upon request. Third-party inspection can be arranged if needed.

What is your sample policy?

Standard samples require a sample fee, which is deductible upon bulk order placement. Free evaluation samples are available for qualified companies. Shipping costs are covered by the buyer or charged to the buyer's courier account.

What payment methods are accepted?

We accept T/T (Wire Transfer) with 80% deposit and balance before shipment, PayPal or credit card for small orders, and net terms for established customers upon approval.

What is the lead time?

In-stock items ship within 3–7 business days. Custom or bulk orders take 4–12 weeks depending on capacity and materials. Exact lead time will be confirmed upon order placement.

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