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TPB4056B2X PDF预览

TPB4056B2X

更新时间： 2024-11-12 17:02:07
品牌 Logo 应用领域
思瑞浦 - 3PEAK 电池
页数 文件大小 规格书
20页 1270K
描述
1A Single-Cell Li-Ion Battery Linear Charger with NTC Monitor

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TPB4056B2X 数据手册

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TPB4056B  
1-A Single Cell Li-Ion Battery Linear Charger with NTC Monitor  
Features  
Description  
The TPB4056B is a cost-effective, high-integration linear  
charger for single cell Li-ion or Li-ion polymer batteries.  
The device supports CC/CV charge from either a USB  
port or an AC adapter. Low BOM component requirement  
makes the size of the whole system small. High input  
voltage range with over-voltage protection supports low-  
cost unregulated adapters.  
Single-Chip Charger for 1-cell Li-ion or Polymer  
Batteries  
•
4.55-V to 9.8-V Input Volage Operating Range  
•
•
•
26.5-V Maximum Input Voltage Rating  
Charging  
Up to 1000-mA Programmable Charge Current  
–
The TPB4056B charge current is fully programmable up  
to 1000 mA with an external resistor. The TPB4056B  
automatically terminates the charge cycle when the charge  
current drops below 10% of the set charge current value  
after the battery voltage reaches the float voltage.  
10% Charge Current Accuracy  
–
–
4.2-V/4.35-V Charge Float Voltage with 0.5%  
Accuracy  
Charging Current Monitor and Thermal Foldback  
•
Battery Temperature Monitor  
•
•
•
•
The TPB4056B implements two indication pins, CHRG,  
and STDBY, allowing connection to microcontroller or LED  
to show device status. With open-drain structure, CHRG  
stays low during charging, and STDBY stays low after  
charging complete, other pins are in the high impedance  
state.  
Charging Status Detection and Fault Indication  
Soft Start for Inrush Current Limitation  
Trickle Current Battery Charge  
Power Presence Indication  
•
Automatic Battery Recharge  
•
•
•
•
The TPB4056B features thermal foldback function to limit  
the charge current and protect the device from over  
junction temperature fault. The TPB4056B also integrates  
current monitor, UVLO, OVP function to prevent the device  
from damage.  
No external MOSFET, Current Sensor Required  
Operational Temperature Range: −40°C to +85°C  
Package options: ESOP-8, EMSOP-8  
Applications  
Portable Devices, GPS, ePOS, e-cigarette  
•
Wireless Devices, Bluetooth Headset  
•
Personal Electronics, Personal Healthcare  
•
Wearable Devices  
•
Typical Application Circuit  
www.3peak.com  
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