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English2A Lithium Ion Battery Switching Charger JTMB8578 ，Low power dissipation, an internal MOSFET and its compact package with minimum external components requirement makes the JTMB8578 ideal for portable
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（PDF文档）
5.产品封装图 6.电路原理图 7.相关产品
The JTMB8578 is a 2A Li-Ion battery switching charger intended for 5V adapters.
Low power dissipation, an internal MOSFET and its compact package with minimum external
components requirement makes the JTMB8578 ideal for portable applications. The JTMB8578
includes complete charge termination circuitry, automatic recharge and a ±1% 4.2V/4.35V
float voltage.External sense resistor and Reverse diode is not need. Build-in thermal
feedback mechanism regulates the charge current to control the die temperature during
high power operation or at elevated ambient temperature.Battery charge current, charge
timeout and end-of-charge indication parameters can program by external components.
Additional features include shorted cell detection and overvoltage protection.
The JTMB8578 is available in DFN3x3-10L package.
·Very Low Power Dissipation
·2A Maximum Charge Current
·Standalone Capability with no Requirement of External MOSFET, Sense Resistor or
Blocking Diode
·Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize
Charge Rate Without Risk of Overheating
·Charges Single Cell Li-Ion Batteries Directly from USB Port
·Drainage Charge Current Thermal Regulation Status Outputs for LED or System Interface
·Preset 4.2V/4.35V float Voltage with ±1% Accuracy
·Automatic Recharge
·Available in DFN3x3-10L Package
·RoHS Compliant and 100% Lead (Pb)-Free
Cellular Telephones, PDA, MP3 Players
Charging Docks and Cradles
Handheld Battery-Powered Devices
Handheld Computers
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| 锂电池充电芯片<span style="">(Li-ion Battery Charger ) | ||||||||
| Part No. | Features | VIN | Series Cells | Max Charger | Charger Type | Output Accu. | Package | Application |
| JTMB4054B | Temperature Regulation, Trickle Charge, C/10 Charge Termination, USB Compliant | 4.25~6.5V | 1 | 800mA | Linear | 4.2V±1% 4.3V±1% | SOT23-5 TSOT23-5 | 单节锂电供电设备 |
| Max 10V | 4.4V±1% | |||||||
| JTMB4056B | 1A Lithium Ion Battery Linear Charger | 4~6.5V | 1 | 1A | Linear | 4.2V±1% 4.35V±1% | ESOP8 | 单节锂电供电设备 |
| JTMB8573 | 500mA/1.5A Lithium Ion Battery Linear Charger | 4.25~6V | 1 | 500mA/1.5A | Linear | 4.2V±1% 4.35V±1% | SOT23-6 ESOP8 | 单节锂电供电设备 |
| JTMB8578 | 2A Lithium Ion Battery Switching Charger | 4.2~6V | 1 | 2A | Switching | 4.2V±1% 4.35V±1% | DFN3x3-10 | 单节锂电供电设备 |
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