關於特瑞仕的充電IC
這是單節鋰離子電池,鋰聚合物電池用恒壓(CV)充電,恒流(CC)充電方式線性充電器用IC。
充電周期按涓流充電模式,主充電模式的順序進行充電。
支持符合JEITA的溫度控製,可根據電池組溫度適當地控製CV充電電壓,CC充電電流,並安全地對鋰離子/鋰聚合物電池充電。
通過將LED連接到充電狀態輸出引腳上,可根據LED的點燈確認充電。
此外,還形成了充電電流可設置為5mA的產品陣容,最適於可穿戴設備等小型低容量鋰電池。
符合JEITA的電池溫度監測功能 支持IC:XC6803,XC6804,XC6805,XC6806,XC6808
電池溫度監測功能是指,通過連接到THIN引腳的NTC熱敏電阻監測著充電時的鋰離子電池溫度,根據鋰離子電池溫度,如上圖所示控製充電完成電壓及充電電流,安全充電。
電流Path機能 対応IC:XC6806
該功能是在從OUT引腳向係統供電的同時,從BAT引腳向鋰離子電池充電。內置了輸入電流限製功能,限製輸入(VIN)側不變成過流狀態,可供應電流。
鋰離子電池充電IC選擇指南
XC6805 |
XC6806 |
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Charge Method | Linear | |||||||
CC/CV | ||||||||
Input Voltage Range | 4.25V-6.0V | 4.25V-6.0V | 4.5V-6.0V | 4.5V-6.0V | 4.5V-6.0V | 4.5V-6.0V | 4.5V-5.5V | |
Charge Current | 95mA/475mA | 100~800mA | 40mA~280mA | 200mA~800mA | 5mA~40mA | 5mA~40mA | 10mA~380mA | |
Charge Termination Voltage | 4.20V | 4.20V | 4.20V | 4.20V | 4.20V | 3.5-4.45V | 3.5-4.45V | |
Trickle Charge Mode | ○ | ○ | ○ | ○ | Optional | Optional | ○ | |
Trickle Charge Voltage | 2.90V | 2.90V | 2.90V | 2.90V | 2.90V | 2.90V | 2.90V | |
Recharge function | ○ | ○ | Optional | Optional | ○ | ○ | ○ | |
Recharge Battery Voltage(Ta=25℃) | Δ150mV | Δ150mV | 3.9V | 3.9V | 3.9V | 3.9V | Δ100mV | |
Current Path function | - | - | - | - | - | - | ○ | |
Battery Temperature Monitor | - | - | ○ | Optional | Optional | ○ | ○ | |
- | - | JEITA ○ |
JEITA ○ |
JEITA ○ |
JEITA ○ |
JEITA ○ |
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Safety Timer Function |
Main Charge | - | - | 5hs | 10hs | 5hs | 5hs or 10hs | 5hs |
Trickle Charge | - | - | 0.5hs | 2hs | 0.5hs | 0.5hs | 0.5hs | |
Battery Pin Reverse Current | 2uA (max.) | 1uA (max.) | 0.5uA | 5uA | 0.5uA | 0.1µA | 0.1µA | |
UVLO | ○ | ○ | ○ | ○ | ○ | ○ | ○ | |
Thermal Shutdown | ○ | ○ | ○ | ○ | ○ | ○ | ○ | |
Input Voltage Dropout Monitoring function | ○ | ○ | ○ | ○ | ○ | ○ | ○ | |
Charging Over-Voltage monitor function | ○ | ○ | ○ | ○ | ○ | - | - | |
Charging Over-Current monitor function | ○ | ○ | ○ | ○ | ○ | ○ | - | |
PKG | USP-6EL | USP-6EL | USP-6EL | USP-6EL | USP-6B07 | USP-10B | ||
USP-6C | USP-6C | - | SOP-8FD | USP-6B07 | LGA-10B01 | |||
SOT-25 | SOT-25 | - | - | - | - | - | ||
SOT-89-5 | SOT-89-5 | - | - | - | - | - |