CXPU3360是一个高度集成的解决方案，适用于需要CV（恒压）和CC的SMPS应用（恒流）模式。它还内置了专门为独立电池充电而设计的LED驱动器应用。CXPU3360集成了三个电压基准、三个运算放大器和两个电流感应在同一集成电路中的电路。第一电压基准连同一个运算放大器控制输出电压。第二个参考电压，连同另一个运算放大器，感应并限制低压侧的电流量，因此输出端的总电流。第三电压基准和当充电电流降到编程值的10%时，运算放大器会感测到。在充电过程中，CXPU3360将打开红色LED。充电完成后，CXPU3360将点亮绿色LED。这个CXPU3360有SOP8和DIP8两种包装。
恒压恒流控制
低压运行
精密内部电压基准
外部组件计数低
电流汇输出级
容易补偿
低交流电源电压抑制
坚固的1.5KV ESD耐受能力。
内部2个LED驱动器
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[ CXPU3360 ]
目录
7.相关产品
产品概述 返回TOP
CXPU3360 is a highly integrated solution for SMPS applications requiring CV (constant voltage) and CC
(constant current) modes. It also has built-in LED drivers specifically designed for stand-alone Battery Charging applications. CXPU3360 integrates three voltage references, three operational amplifiers, and two current sensing circuits together in the same
IC.The 1st voltage reference,together with one operational amplifier, controls the output voltage.The 2nd voltage reference, together with another operational amplifier, senses and limits the amount of the current on the low side, hence the overall current at the output. The 3rd voltage reference and
operational amplifier senses when the charging current drops to 10% of the programmed value.During charging, CXPU3360 will turn on Red LED. When the charging is completed, CXPU3360 will turn on Green LED. The CXPU3360 is available in SOP8 and DIP8 package.
产品特点 返回TOP
Constant Voltage and Constant Current Control
Low Voltage Operation
Precision Internal Voltage References
Low External Component Count
Current Sink Output Stage
Easy Compensation
Low AC Mains Voltage Rejection
Rugged 1.5KV ESD withstand capability.
Internal 2 LED drivers
Available in SOP8 and DIP-8 Package.
RoHS Compliant and 100% Lead (Pb)-Free
应用范围 返回TOP
Adapters
Digital Camera Chargers.
Cellphone Chargers.
Other Battery Chargers
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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Power ASIC（恒压恒流源） |
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|
Product |
Status |
Maximum Supply Voltage |
Supply Current |
Voltage Control Loop Reference |
Current Control Loop Reference |
OTP/OCP |
PKG |
|
Active |
18V |
0.4mA |
1.21V |
200mV |
Yes/Yes |
SOT23-6 |
|
|
Active |
18V |
0.4mA |
1.21V |
200MV |
Yes/Yes |
SOP8 |
|
|
product |
Status |
Devic edescription |
VIN(min~max) |
VOUT |
IOUT |
IQ(TYP) |
pkg |
|
MP |
LED调光 |
2.5V-40V |
N/A |
500mA |
120uA |
SOT23-6 |
|
◀ 上一篇:CXPU3359高度集成的解决方案需要CV恒压和CC恒流模式的开关电源应用电压基准两个运算放大器电流感应电路电压基准加上运算放大器低交流电源电压抑制精确的内部电压基准
下一篇▶:CXPU3361 LED照明的开关型调色驱动器两个450mΩ耐压40V的Mosfet作为色温切换开关电源输入端的上电和掉电来切换不同的色温模式小夜灯电流通过外部电阻设置当ISET端悬空则屏蔽小夜灯模式
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