TP4054 Top Power ASIC Li-Ion Battery Charger Data Sheet
Download PDF datasheet for Top Power ASIC TP4054 Standalone Linear Li-Ion Battery Charger with Thermal Regulation (EN) 14 pages zip
Description
This PDF datasheet is for the Top Power ASIC TP4054 li-ion battery charger.
About the Item
Top Power ASIC TP4054 Standalone Linear Li-Ion Battery Charger with Thermal Regulation
The TP4054 is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries. Its SOT package and low external component count make the TP4054 ideally suited for portable applications. Furthermore, the TP4054 can work within USB and wall adapter.
(PDF) DATASHEET (ENGLISH)
SUMMARY OF CONTENTS
FEATURES
APPLICATIONS
TYPICAL APPLICATION
ABSOLUTE MAXIMUM RATINGS
TP4054 PINOUT
PACKAGE/ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
TYPICAL PERFORRMANCE CHARACTERISTICS
PIN FUNCTIONS
BLOCK DIAGRAM
OPERATION
– Normal Charge Cycle
– Programming Charge Current
– Charge Termination
– Charge Status Indicator
– Undervoltage Lockout
– Manual Shutdown
– Automatic Recharge
– Figure 1. State Diagram of a Typical Charge Cycle
– Stability Considerations
– Figure 2. Isolating Capacitive Load on PROG Pin and Filtering
– Power Dissipation
– Thermal Considerations
– Increasing Thermal Regulation Current
– Figure 3. A Circuit to Maximize Thermal Mode Charge Current
– Figure 4. Charge Current vs RCC
– VCC Bypass Capacitor
– Charge Current Soft-Start
– Figure 5. Using a Microprocessor to Determine CHRG State
– Figure 6. Low Loss Input Reverse Polarity Protection
– Figure 7.Combining Wall Adapter and USB power
PACKAGE DESCRIPTION
TYPICAL APPLICATIONS
Why download the Datasheet?
This datasheet provides all the information from Top Power ASIC about the TP4054 Li-Ion Battery Charger, as detailed in the table of contents. Reading it completely will address most questions you might have. You can download and save it for offline use, including viewing it on your device or printing it for your convenience if you prefer a paper version.
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