CJ4054A420M

JSCJ
JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD Standalone Linear Li-Ion Battery Charger with Thermal Regulation CJ4054 Series  INTRODUCTION:  FEATURES: The CJ4054 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 CJ4054 ideally suited for space limited portable applications. ...
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Технические характеристики

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Корпус SOT235
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Аналоги 4

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Тип Наименование Корпус Упаковка i Функция Батарея Интерфейс Uвх.макс Uвых U пит Iвых.макс Примечание T раб Карточка
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Файлы 1

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JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD Standalone Linear Li-Ion Battery Charger with Thermal Regulation CJ4054 Series  INTRODUCTION:  FEATURES: The CJ4054 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 CJ4054 ideally suited for space limited portable applications. Furthermore, the CJ4054 is specifically designed to work within USB power specifications. No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture. Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature. The charge voltage is fixed at VFLOAT, and the charge current can be programmed externally with a single resistor connectd between PROG pin and GND. The CJ4054 automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached. When the input supply (wall adapter or USB supply) is removed, the CJ4054 automatically enters a low current state, dropping the battery drain current to less than  Ideal for Low-Dropout Designs for Single-Cell Li-Ion or Li-Pol Batteries Charge Directly from USB Port or AC Adapter in Space Limited Portable Applications  Integrated P-ch Power MOSFET and Current Sensor for Up to 800mA Charge Applications  Reverse Leakage Protection Prevents Battery Drainage  Pre-charge Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage of Charge  2.9V Trickle Charge Threshold  Constant-Current/Constant-Voltage operation with Thermal Regulation Maximizes Charge Rate Without Risk of Overheating  Integrated Current and Voltage Regulation ±10% Current Regulation Accuracy ±1% Voltage Regulation Accuracy  Charge Current Monitor Output for Gas Gauging  C/10 Charge Termination  Automatic Recharge  Status Output for LEDs or System Interface Indicates Charge and Fault Conditions  Automatic Sleep Mode for Low-Power Consumption 2µA. The CJ4054 can be put into shutdown     mode, reducing the supply current to 25µA. Other features include charge current monitor, undervoltage lockout, automatic recharge and a status pin to indicate charge termination. 25A Supply Current in Shutdown Battery Short-Circuit Protection Soft-Start Limits Inrush Current Charge Voltage Options: 4.20V and 4.35V  APPLICATIONS：     Cellular Telephones, PDAs, MP3 Players Digital Still Cameras Charging Docks and Cradles Bluetooth Applications www.jscj-elec.com 1 Rev - 1.0 PDF
Документация на CJ4054A420M 

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Дата модификации: 26.09.2021

Размер: 1.98 Мб

33 стр.

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