CXLE8190是一个升压型DC/DC转换器，设计用于驱动外部可编程恒流的白色LED。该器件采用集成的38V功率MOSFET，可串联驱动多达10个白光led，为均匀亮度提供固有电流匹配。WLED的亮度调整很容易通过一个单线接口实现，共有32个亮度等级的LED调光。
CXLE8190具有多种保护电路，包括集成过电压保护（OVP）、软启动、逐周限流和热关机保护电路。CXLE8190具有1A电流限制。
•高效率升压DC/DC WLED偏置电源
•内部38V，0.5Ω功率MOSFET
•每个字符串最多10个串行白色LED
•开关电流限制：1A
•LED的单线接口32亮度级别
调光
•可编程OVP电压
•软启动功能
•通过LED串从车辆识别号到接地无泄漏
•热关机
•循环过电流保护
[ CXLE8190 ]
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7.相关产品
产品概述 返回TOP
产品特点 返回TOP
• High-Efficiency Boost DC/DC WLED Bias Supply
• Internal 38V, 0.5Ω Power MOSFET
• Up to 10 Serial White LEDs per String
• Switch Current Limit: 1A
• Single Wire Interface 32 Brightness Levels for LED
Dimming
• Programmable OVP Voltage
• Soft-Start Function
• No Leakage from VIN to GND through LED String
• Thermal Shutdown
• Cycle-by-Cycle Over-Current Protection
• -40℃ to +85℃ Operating Temperature Range
• Available in Green TDFN-2×2-8L Package
应用范围 返回TOP
TFT LCD Displays
Smart Phones
Portable Media Players
GPS/Personal Navigation Devices
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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白光LED驱动器 |
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Product |
LED Connection |
CH |
Iq(μA) |
SHDN Iq(μA) |
Dimming |
Package |
|
CXLE8196 |
Common Anode |
1 |
60 |
1 |
PWM |
SOT-23-6 |
|
Common Anode |
4 |
100 |
1 |
PWM |
TQFN-3x3-16L |
|
|
Common Anode |
3 |
100 |
1 |
PWM |
TQFN-3x3-16L |
|
|
Common Anode |
4 |
240 |
1 |
PWM |
SOT-23-6 |
|
|
Common Anode |
4 |
100 |
1 |
One-Wire |
TQFN-3x3-16L |
|
|
Common Anode |
4 |
550 |
5 |
One-Wire |
TQFN-3x3-16L TDFN-2x2-8L MSOP-8 |
|
|
Common Cathode |
4 |
300 |
10 |
One-Wire |
TQFN-3x3-16L |
|
|
Common Anode |
6 |
210 |
1 |
One-Wire |
TQFN-3x3-16L |
|
|
Common Cathode |
6 |
300 |
10 |
One-Wire |
TQFN-4x4-16L |
|
|
Common Anode |
6 |
155 |
2.5@VIN =4.2V |
PWM |
TQFN-3x3-16L |
|
|
Common Anode |
8 |
155 |
2.5@VIN = 4.2V |
PWM |
TQFN-3x3-20L |
|
|
Common Anode |
8 |
155 |
2.5@VIN =4.2V |
One-Wire |
TQFN-3x3-20L |
|
|
Common Anode |
1 |
200 |
1 |
PWM |
TSOT-23-6 |
|
|
Common Anode |
1 |
200 |
1 |
One-Wire |
TSOT-23-6 |
|
|
Common Anode |
1 |
400 |
1 |
PWM |
TDFN-2x2-6L TSOT-23-6 |
|
|
Common Anode |
1 |
45 |
1 |
One-Wire |
TDFN-2x2-8L |
|
|
Common Anode |
1 |
200 |
1 |
PWM |
TSOT-23-6 |
|
|
Common Anode |
1 |
400 |
1 |
PWM |
TDFN-2x2-6L TSOT-23-6 |
|
|
Common Anode |
1 |
200 |
1 |
One-Wire |
TDFN-2x2-8L |
|
|
Common Anode |
1 |
200 |
1 |
PWM |
TDFN-2x2-8L |
|
|
Common Anode |
1 |
220 |
1 |
PWM |
TDFN-2x2-6L |
|
◀ 上一篇:串联驱动10个LED的38V开放式LED保护升压boost转换器以1.2MHz固定开关频率开关电流限制1.1A脉宽调制亮度控制CXLE8189
下一篇▶:CXLE8191多功能恒流LED驱动器高效的升压转换器结构驱动高达38V的输出10个LED串联2.7V至5.5V输入电压260毫安的总电流每串3个系列LED
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