CXLE8167

CXLE8167是一款专用于白光LED阵列的高频升压驱动芯片。其内置的0.19Ω功率管和2.0A的电流极限使得CXLE8167能为7~10吋LCD面板提供背光驱动(驱动13并3/4串白光LED阵列)。CXLE8167采用1MHz固定频率电流控制模式升压架构,通过设定外部反馈电阻上电压为200mV,使得CXLE8167既能精确的控制LED输出电流,同时保证了驱动电路高效特性。CXLE8167内置输出过压保护功能,利用SW引脚监测输出电压,当出现LED开路时,IC能自动关断实现保护。同时IC内置多种保护措施,如:软启动,过流保护,过温保护和输入欠压保护。CXLE8167采用薄型TSOT23-5封装,为节约PCB空间和减少BOM表提供最优方案

CXLE8167白光LED阵列的高频升压驱动芯片2.0A电流极限为7~10吋LCD面板提供背光驱动13并3/4串白光LED阵列1MHz固定频率电流控制模式升压架构

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1.产品概述       2.产品特点     8Pt嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)8Pt嘉泰姆

5.产品封装       6.电路原理图  8Pt嘉泰姆

7.相关产品8Pt嘉泰姆

   产品概述 返回TOP8Pt嘉泰姆


        CXLE8167是一款专用于白光LED阵列的高频升压驱动芯片。其内置的0.19Ω功率管和2.0A的电流极限使得CXLE8167能为7~10吋LCD面板提供背光驱动(驱动13并3/4串白光LED阵列)。CXLE8167采用1MHz固定频率电流控制模式升压架构,通过设定外部反馈电阻上电压为200mV,使得CXLE8167既能精确的控制LED输出电流,同时保证了驱动电路高效特性。CXLE8167内置输出过压保护功能,利用SW引脚监测输出电压,当出现LED开路时,IC能自动关断实现保护。同时IC内置多种保护措施,如:软启动,过流保护,过温保护和输入欠压保护。CXLE8167采用薄型TSOT23-5封装,为节约PCB空间和减少BOM表提供最优方案。The CXLE8167 is a high frequency, asynchronous boost converter designed for driving white LED arrays. With integrated 0.19Ω power switch and 2A current limit, the CXLE8167 provides enough driving capability for 7”~10” LCD backlighting(13 strings of 3 or 4 LEDs each). The device uses current mode, fixed frequency architecture to regulate the LED current, which is measured through an external current sense resistor. Its low 200mV feedback voltage reduces power loss and improves efficiency. With the built-in over-voltage protection function (OVP), the SW pin monitors the output voltage and turn off the device if an over-voltage condition is present due to an open circuit condition. Other features include soft start, over-current limiting, thermal protection and under-voltage lockout. The CXLE8167 is available in the tiny TSOT23-5 package to provide the best solution for PCB space saving and total BOM cost.

   产品特点 返回TOP8Pt嘉泰姆


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‧ 输入电压范围:2.6V~5.5V8Pt嘉泰姆

‧ 内置0.19Ω,18V功率开关8Pt嘉泰姆

‧ 峰值效率达93%8Pt嘉泰姆

‧ 芯片表面温度低@ILED=180mA(VIN=3.6V)8Pt嘉泰姆

‧ 1MHz开关频率8Pt嘉泰姆

‧ 2A电流极限8Pt嘉泰姆

‧ 内置LED开路保护8Pt嘉泰姆

‧ 内置软启动功能8Pt嘉泰姆

‧ 兼容PWM和DC两种调光方式8Pt嘉泰姆

‧ TSOT23-5封装8Pt嘉泰姆

‧ 符合RoHS规范及Pb-Free8Pt嘉泰姆

 2.6V to 5.5V Input Range8Pt嘉泰姆

 Internal 0.19, 18V MOSFET Switch8Pt嘉泰姆

 High Efficiency Up to 93%8Pt嘉泰姆

 Lower Surface Temperature at ILED=180mA8Pt嘉泰姆

 1MHz Switching Frequency8Pt嘉泰姆

 2A Current Limit8Pt嘉泰姆

 Open LED Overvoltage Protection8Pt嘉泰姆

 Internal Soft-Start8Pt嘉泰姆

 PWM and DC Dimming Control8Pt嘉泰姆

 Available in TSOT23-5 Package8Pt嘉泰姆

 RoHS Compliant and 100% Lead (Pb)-Free8Pt嘉泰姆

Halogen-Free8Pt嘉泰姆

   应用范围 返回TOP8Pt嘉泰姆


 8Pt嘉泰姆

‧ 7~10吋LCD面板背光驱动8Pt嘉泰姆

‧ MID背光驱动8Pt嘉泰姆

‧ 上网本(Netbook)背光驱动8Pt嘉泰姆

‧ 便携式多媒体设备8Pt嘉泰姆

‧ GPS导航系统8Pt嘉泰姆

 7” to 10” LCD Panels8Pt嘉泰姆

 MID Backlighting8Pt嘉泰姆

 Netbook Backlighting8Pt嘉泰姆

 Portable Media Players8Pt嘉泰姆

 GPS Navigation Systems8Pt嘉泰姆

   技术规格书(产品PDF) 返回TOP 8Pt嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持8Pt嘉泰姆

 QQ截图20160419174301.jpg8Pt嘉泰姆

产品封装图 返回TOP8Pt嘉泰姆


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电路原理图 返回TOP8Pt嘉泰姆

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 8Pt嘉泰姆

白光LED驅動器   > LED背光8Pt嘉泰姆

Part   Number8Pt嘉泰姆

remark8Pt嘉泰姆

Vin (V)8Pt嘉泰姆

Vout 8Pt嘉泰姆

(max)(V)8Pt嘉泰姆

FB(V)8Pt嘉泰姆

IQ(mA)8Pt嘉泰姆

Isw(A)8Pt嘉泰姆

Max LED8Pt嘉泰姆

Peak 8Pt嘉泰姆

Efficency 8Pt嘉泰姆

(%)8Pt嘉泰姆

Package8Pt嘉泰姆

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Small Package, High Performance, Asynchronies Boost for WLED Driver8Pt嘉泰姆

2.6~5.58Pt嘉泰姆

188Pt嘉泰姆

0.28Pt嘉泰姆

0.48Pt嘉泰姆

28Pt嘉泰姆

15P3S8Pt嘉泰姆

938Pt嘉泰姆

TSOT23-58Pt嘉泰姆

CXLE81688Pt嘉泰姆

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6~258Pt嘉泰姆

328Pt嘉泰姆

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1.38Pt嘉泰姆

1.48Pt嘉泰姆

3 x 9 = 278Pt嘉泰姆

908Pt嘉泰姆

TDFN-88Pt嘉泰姆

CXLE81698Pt嘉泰姆

White LED Boost Converter with PWM Dimming and Single-Wire Interface8Pt嘉泰姆

2.7~5.58Pt嘉泰姆

388Pt嘉泰姆

0.28Pt嘉泰姆

0.358Pt嘉泰姆

1.38Pt嘉泰姆

128Pt嘉泰姆

918Pt嘉泰姆

TDFN-68Pt嘉泰姆

CXLE81708Pt嘉泰姆

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38.58Pt嘉泰姆

0.2/0.38Pt嘉泰姆

0.38Pt嘉泰姆

1.38Pt嘉泰姆

128Pt嘉泰姆

888Pt嘉泰姆

TSOT23-6,SOT23-68Pt嘉泰姆

CXLE81718Pt嘉泰姆

10 White LED Boost Converter with PWM Dimming8Pt嘉泰姆

2.5~5.58Pt嘉泰姆

38.58Pt嘉泰姆

0.28Pt嘉泰姆

0.38Pt嘉泰姆

1.38Pt嘉泰姆

128Pt嘉泰姆

888Pt嘉泰姆

TSOT23-68Pt嘉泰姆

CXLE81728Pt嘉泰姆

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2.5~248Pt嘉泰姆

438Pt嘉泰姆

0.58Pt嘉泰姆

28Pt嘉泰姆

2.58Pt嘉泰姆

6 × 10= 608Pt嘉泰姆

908Pt嘉泰姆

TQFN-208Pt嘉泰姆

CXLE81738Pt嘉泰姆

4 Strings High Current White LED Driver with Boost Controller8Pt嘉泰姆

4.5~288Pt嘉泰姆

658Pt嘉泰姆

0.68Pt嘉泰姆

0.758Pt嘉泰姆

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938Pt嘉泰姆

SOP-168Pt嘉泰姆

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2168Pt嘉泰姆

938Pt嘉泰姆

TSSOP-28(EP)8Pt嘉泰姆

◀ 上一篇:CXLE8166白光LED的固定600kHz升压转换器集成N-FET驱动白光LED低导通电阻和低反馈电压降低了功率损耗内部软启动电路消除启动过程中的浪涌电流

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