TP4054 Top Power ASIC Li-Ion Battery Charger Data Sheet

Description

This PDF data sheet is for the Top Power ASIC TP4054 Standalone Linear Li-Ion Battery Charger with Thermal Regulation.

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 in English (EN) language.

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

This data sheet provides all the information (according to the table of contents) from Top Power ASIC about the TP4054 Standalone Linear Li-Ion Battery Charger with Thermal Regulation. 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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