CXLE8165 4通道LED背光转换器高效驱动程序SMBus控制LED电流有PWM DC和混合模式使能停机和故障检测功能紫外线电流限制LED串开路和短路检测输出过压保护

CXLE8165是一个4通道LED的高效驱动程序。它是一个宽范围的输入电压，从6伏到24伏。它能驱动典型的68（17x4）个3片。5V/180mA发光二极管。它包含4个电压控制电流源通道，典型电流匹配为+1%。它是内置的Rds（on）0.25欧姆（典型值）电流模式控制。CXLE8165能够通过SMBus接口控制LED电流。制作的SMBus控制LED电流具有PWM、DC和混合模式。CXLE8165具有使能、停机和故障检测功能。CXLE8165具有广泛的保护功能，包括紫外线、电流限制、LED串开路和短路检测、输出过压保护（OVP）和过热保护

目录

1.产品概述       2.产品特点     

3.应用范围       4.技术规格书下载（PDF文档）

5.产品封装       6.电路原理图  

7.相关产品

   产品概述 返回TOP

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The CXLE8165 is a high efficiency driver for 4 channels of LEDs. It’s a wide range input voltage operating from 6V to 24V. It’s capable of driving typically 68 (17x4) pieces of 3. 5V/180mA LEDs. It contains 4 channels of voltage controlled current sources with typical current matching of +1%. It’s built internal Rds(on) 0.25 ohm (typ.) with current mode control. The CXLE8165 be able to control LED current by SMBus interface. SMBus control LED current made had PWM, DC and Mixed-mode. The CXLE8165 has enable, shutdown function and Fault detection function. The CXLE8165 features extensive protection functions that include UVLO, Current limit, LED strings open and short circuit detections, Output Over-Voltage Protection (OVP) and Over Temperature Protection (OTP). The CXLE8165 is available in TDFN5x5-16 Packages.

   产品特点 返回TOP

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· 4 channels 

· 6V to 24V Input Voltage Supply 

· Drive up to 68(17x4) White LEDs (3.5V/180mA each) 

· Current Match (balance) +/- 1% (Typ.) 

· Current Accuracy +/-1% (Typ.) 

· Built internal SW MOSFET Rds(on) 0.25 ohm (typ.) 

· SMBus control to program below: 

 -LED Current: 22.58mA to 180 mA 

-Switching Frequency: 200KHz to 900KHz 

 -Dimming mode: PWM, DC and Mixed-mode 

· Enable / Shutdown Function and Fault indication 

· Built in UVLO Control Detection on VIN 

· Built in Protection function: 

 -Built in Internal MOSFET Current Limit function about 3.3A (Typ.) 

-String Open / Short Circuit Detection 

 -Over Voltage Protection 

 -Over Temperature Protection 

· Available in TDFN 5x5-16 Packages 

· Halogen and Lead Free Available (RoHS Compliant)

   应用范围 返回TOP

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· AIO Backlight

   技术规格书（产品PDF) 返回TOP 

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产品封装图 返回TOP

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电路原理图 返回TOP

 

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Lighting and Display Product > White LED Driver
Part_No	Topology	Archi tecture	Input  Voltage (V)		Adj. Output  Voltage V	No.  of  LEDs	LED Current  (Max) (A)	Switch Current Limit (A)	Current Sense Voltage (typ)(V)	Switching Frequency (kHz)	Dimming Control	Package
			min	max	max
CXLE8153	Boost	CM	2.7	6	32	8	0.03	0.9	0.25	1000	Analog	SOT23-6
CXLE8154	Boost	VM	2.5	6	19	4	0.03	0.4	0.25	1000	Analog PWM	SOT23-6
CXLE8155	Boost	CM	2.7	21	30	8	0.6	3.5	0.5	1200	Analog	DFN3x3-10
CXLE8156	Charge  Pump	-	2.8	4.5	-	4	0.03	-	-	1000	Analog PWM  Digital	QFN4x4-16
CXLE8157	Charge  Pump	-	2.8	4.5	-	6	0.03	-	-	1000	Analog PWM Digital	QFN4x4-16
CXLE8158	Charge  Pump	-	2.8	4.5	-	4	0.03	-	-	1000	Analog PWM Digital	QFN3x3-16
CXLE8159	Boost	CM	2.5	6	24	6	0.03	1.2	0.1	1000	Analog PWM	SOT23-6
CXLE8160	Boost	CM	2.5	6	39	10	0.03	0.9	0.3	1000	Analog PWM	SOT23-6
CXLE8161	Boost	CM	2.5	6	24	6	0.03	1.2	0.2	1000	Analog PWM	SOT23-6
CXLE8162	Boost	CM	2.5	6	40	10	0.03	1.5	0.2	600	Analog PWM	TDFN2x2-6
CXLE8163	Boost	CM	2.5	6	24	6	0.03	2	0.2	1500	Analog PWM	SOT23-6
CXLE8164	Buck	CM	3	5.5	-							SOT23-5
CXLE8165	Boost	CM	6	24	65	17	0.18per string	3.3	0.5	200   ~ 900	External PWM Dimming/I2C	TDFN5x5-16
CXLE8166	Boost	CM	2.7	6	40	10	0.03	1.5	0.2	600	Analog  PWM	TDFN2x2-6