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X3101PT-V

更新时间： 2024-02-20 01:57:45
品牌 Logo 应用领域
XICOR 电源电路电池电源管理电路监控
页数 文件大小 规格书
40页 248K
描述
3 or 4 Cell Li-Ion Battery Protection and Monitor IC

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中文翻译

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X3101PT-V 技术参数

生命周期：Transferred包装说明：PLASTIC, TSSOP-28
Reach Compliance Code：unknown风险等级：5.69
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G28长度：9.7 mm
信道数量：4功能数量：1
端子数量：28最高工作温度：70 °C
最低工作温度：-20 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH认证状态：Not Qualified
座面最大高度：1.2 mm最大供电电压 (Vsup)：24 V
最小供电电压 (Vsup)：6 V表面贴装：YES
温度等级：COMMERCIAL端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
宽度：4.4 mmBase Number Matches：1

X3101PT-V 数据手册

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APPLICATION NOTE  
A V A I L A B L E  
3 or 4 Cell Li-Ion BATTERY PACKS  
Preliminary  
Preliminary Information  
4 cell / 3 cell  
X3100/X3101  
3 or 4 Cell Li-Ion Battery Protection and Monitor IC  
FEATURE  
BENEFIT  
• Software Selectable Protection Levels and  
Variable Protect Detection/Release Times  
• Integrated FET Drive Circuitry  
• Cell Voltage and Current Monitoring  
• 0.5% Accurate Voltage Regulator  
• Integrated 4kbit EEPROM  
• Flexible Power Management with 1µA Sleep  
Mode  
• Cell Balancing Control  
• Optimize protection for chosen cells to allow  
maximum use of pack capacity.  
• Reduce component count and cost  
• Simplify implementation of gas gauge  
• Accurate voltage and current measurements  
• Record battery history to optimize gas gauge,  
track pack failures and monitor system use  
• Reduce power to extend battery life  
• Increase battery capacity and improve cycle life  
battery life  
DESCRIPTION  
Using an internal analog multiplexer, the X3100 or  
X3101 allow battery parameters such as cell voltage  
and current (using a sense resistor) to be monitored  
externally by a separate microcontroller with A/D  
converter. Software on this microcontroller implements  
gas gauge and cell balancing functionality in software.  
The X3100 is a protection and monitor IC for use in  
battery packs consisting of 4 series Lithium-Ion  
battery cells. The X3101 is designed to work in 3 cell  
applications. Both devices provide internal over-  
charge, over-discharge, and over-current protection  
circuitry, internal EEPROM memory, an internal  
voltage regulator, and internal drive circuitry for  
external FET devices that control cell charge,  
discharge, and cell voltage balancing.  
The X3100 and X3101 contain a current sense  
amplifier. Selectable gains of 10, 25, 80 and 160 allow  
an external 10 bit A/D converter to achieve better  
resolution than a more expensive 14 bit converter.  
Over-charge, over-discharge, and over-current  
thresholds reside in an internal EEPROM memory  
register and are selected independently via software  
using a 3MHz SPI serial interface. Detection and time-  
out delays can also be individually varied using  
external capacitors.  
An internal 4kbit EEPROM memory featuring  
IDLock™, allows the designer to partition and “lock in”  
written battery cell/pack data.  
The X3100 and X3101 are each housed in a 28 Pin  
TSSOP package.  
FUNCTIONAL DIAGRAM  
RGC RGO  
VCC RGP  
UVP/OCP OVP/LMON  
AS0  
AS1  
AS2  
FET Control  
Circuitry  
5VDC  
Regulator  
VCELL1  
Analog  
MUX  
CB1  
AO  
VCELL2  
CB2  
Over-charge  
Protection  
Sample Rate  
Timer  
Internal Voltage Regulator  
Power On reset &  
Over-discharge  
Protection  
Sense  
Status Register  
S0  
4 kbit  
EEPROM  
VCELL3  
CB3  
Circuits  
SCK  
CS  
SI  
SPI  
I/F  
Protection Circuit  
Timing Control  
& Configuration  
Configuration  
Register  
Control  
Register  
Over-current  
Protection &  
Current Sense  
VCELL4/VSS  
CB4  
VSS  
VCS1 VCS2  
OVT UVT OCT  
Characteristics subject to change without notice. 1 of 40  
REV 1.1.8 12/10/02  
www.xicor.com  
1234567...40

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