LED驱动器

Analog Devices, Inc.（简称ADI）为汽车和液晶背光照明应用提供发光二极管（LED）驱动器。例如，AD8240适合汽车应用，驱动和监视LED组件。AD8240由于降低了与LED驱动相关的复杂性从而降低了系统成本，它包括过流保护功能并且采用MSOP封装。ADM8845电荷泵适合用于驱动高达6只并联的白色LED，同时能够保证背光照明液晶显示的亮度均匀。它通过单独监视每只LED的电流实现了优良的匹配性能。ADM8845可以在3种电荷泵工作模式之间根据输入电压自动切换，所以它还用来最大化功率效率。

新闻

2009年06月17日新型 LED 背光驱动器为小尺寸显示器降低高达50%的功耗
ADP8860 的并行配置和多区照明功能可为空间受限的便携式设备实现出色的视觉体验和低功耗预算
2008年10月21日 ADI公司推出自适应照明管理系统，以提高便携式电子产品的电源效率

新产品

ADP5587- Mobile I/O Expander and QWERTY Keypad Controller

ADP5587:Mobile I/O Expander and QWERTY Keypad Controller

The ADP5587 is an I/O port expander and keypad matrix designed for QWERTY type phones that require a large keypad matrix and expanded I/O lines. I/O expander ICs are used in mobile platforms as a solution to the limited number of GPIOs available in the main processor.
In its small 4 mm × 4 mm package, the ADP5587 contains enough power to handle all key-scanning and decoding and to flag the More

中文产品数据手册 Rev A, 03/2010 (pdf 333kB)
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资源与相关信息

浏览 2009电源产品手册中文版，全面了解ADI公司的电源产品

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帮助

Sort: Click on the arrows beneath the parameter on which you would like to sort, ascending and descending order.
Add/Remove Parameters: Click on the Add/Remove Parameters button. Select/deselect the checkbox of the parameter in the add/remove parameter pop up box. Click on "Update" for the table to redraw with new selection of parameters.
Filter: Enter the desired value to filter parameter(s) by, and click the "Update Results" button to update the table display.
Reset Table: Click "Reset Table" to clear all filters/sorts and restore table back to default view.
Quick Filters: When applicable, select a quick filter with preset parameters filtered to narrow the results returned.
No Parts Returned: Adjust the filters on your least critical selection parameters in order to broaden your search.

Lighting Management Unit

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Part# Results: 3		Product Description	LED #	LED Configuration	Topology	Application	I2C Support	Brightness Control	Vin Range	Max Iout (mA)	Peak Efficiency (%)	Switching Frequency (MHz)	Over Volt Protection (V)	Vout (V)	Package	Price* (1000 pcs.)
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	ADP5501	Serial 6 WLED Driver with ALS , RGB	6	Serial	Inductive	Backlighting	Yes	I2C	2.7 to 5.5V	30	-	1	24	24 to 27	24-Lead LFCSP	$0.88
	ADP5520	Serial 6 WLED Driver with ALS , RGB, KBRD	6	Serial	Inductive	Backlighting	Yes	I2C	2.7 to 5.5V	30	-	1	24	24 to 27	24-Lead LFCSP	$1.66
	ADP8860	Parallel 7 WLED Driver with ALS	7	Parallel	Capacitive	Backlighting	Yes	I2C	2.4V to 5.5V	60	89	1	-	4.3 to 5.5	20-Lead WLCSP	$1.36

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帮助

Sort: Click on the arrows beneath the parameter on which you would like to sort, ascending and descending order.
Add/Remove Parameters: Click on the Add/Remove Parameters button. Select/deselect the checkbox of the parameter in the add/remove parameter pop up box. Click on "Update" for the table to redraw with new selection of parameters.
Filter: Enter the desired value to filter parameter(s) by, and click the "Update Results" button to update the table display.
Reset Table: Click "Reset Table" to clear all filters/sorts and restore table back to default view.
Quick Filters: When applicable, select a quick filter with preset parameters filtered to narrow the results returned.
No Parts Returned: Adjust the filters on your least critical selection parameters in order to broaden your search.

LCD Power

Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order

Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

Part# Results: 2		Product Description	Vin Range	Max Iout (mA)	Vout (V)	Topology	Application	Peak Efficiency (%)	Switching Frequency (MHz)	Package	Price* (1000 pcs.)
Sort

	ADM8832	Charge Pump Regulator for Color TFT Panels	2.6 to 3.6V	-	-	Capacitive	LCD Bias	90	0.1	20-Lead LFCSP	$2.02
	ADM8839	Charge Pump Regulator for Color TFT Panels	2.7 to 4.2V	-	-	Capacitive	LCD Bias	82	0.1	20-Lead LFCSP	$1.98

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帮助

Sort: Click on the arrows beneath the parameter on which you would like to sort, ascending and descending order.
Add/Remove Parameters: Click on the Add/Remove Parameters button. Select/deselect the checkbox of the parameter in the add/remove parameter pop up box. Click on "Update" for the table to redraw with new selection of parameters.
Filter: Enter the desired value to filter parameter(s) by, and click the "Update Results" button to update the table display.
Reset Table: Click "Reset Table" to clear all filters/sorts and restore table back to default view.
Quick Filters: When applicable, select a quick filter with preset parameters filtered to narrow the results returned.
No Parts Returned: Adjust the filters on your least critical selection parameters in order to broaden your search.

LED Driver

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Part# Results: 5		Product Description	LED #	LED Configuration	Topology	Application	I2C Support	Max Iout (mA)	Brightness Control	Peak Efficiency (%)	Vin Range	Package	Price* (1000 pcs.)
Sort

	ADM8843	PWM Parallel 4 WLED Driver	4	Parallel	Capacitive	Backlighting	Yes	30	PWM	88	2.6 to 5.5V	16-Lead LFCSP	$0.50
	ADM8845	PWM Parallel 6 WLED Driver	6	Parallel	Capacitive	Backlighting	No	30	PWM	88	2.6 to 5.5V	16-Lead LFCSP	$0.71
	ADP5501	Serial 6 WLED Driver with ALS , RGB	6	Serial	Inductive	Backlighting	Yes	30	I2C	-	2.7 to 5.5V	24-Lead LFCSP	$0.88
	ADP5520	Serial 6 WLED Driver with ALS , RGB, KBRD	6	Serial	Inductive	Backlighting	Yes	30	I2C	-	2.7 to 5.5V	24-Lead LFCSP	$1.66
	ADP8860	Parallel 7 WLED Driver with ALS	7	Parallel	Capacitive	Backlighting	Yes	60	I2C	89	2.4V to 5.5V	20-Lead WLCSP	$1.36

Please scroll down to see more data.

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帮助

Sort: Click on the arrows beneath the parameter on which you would like to sort, ascending and descending order.
Add/Remove Parameters: Click on the Add/Remove Parameters button. Select/deselect the checkbox of the parameter in the add/remove parameter pop up box. Click on "Update" for the table to redraw with new selection of parameters.
Filter: Enter the desired value to filter parameter(s) by, and click the "Update Results" button to update the table display.
Reset Table: Click "Reset Table" to clear all filters/sorts and restore table back to default view.
Quick Filters: When applicable, select a quick filter with preset parameters filtered to narrow the results returned.
No Parts Returned: Adjust the filters on your least critical selection parameters in order to broaden your search.

LED Flash Driver

Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order

Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

Part# Results: 2		Product Description	LED #	LED Configuration	Topology	Application	I2C Support	Max Iout (mA)	Brightness Control	Peak Efficiency (%)	Switching Frequency (MHz)	Over Volt Protection (V)	Vin Range	Price* (1000 pcs.)
Sort

	ADP1653	Serial 2 WLED Flash Driver	2	Serial	Inductive	Flash	Yes	500	I2C	92	1.2	10.5	2.7 to 5.5V	$1.45
	ADP1655	Serial 2 WLED Flash Driver	2	Serial	Inductive	Flash	Yes	400	I2C	-	2	10	2.4V to 5.5V	$0.95

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LED驱动器

数据手册和产品选型表

新闻

新产品

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Lighting Management Unit

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LCD Power

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LED Driver

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LED Flash Driver

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LED驱动器

数据手册 和 产品选型表

新闻

新产品

资源与相关信息

帮助

Lighting Management Unit Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

添加/移除参数

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LCD Power Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

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LED Driver Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

添加/移除参数

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LED Flash Driver Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

添加/移除参数

数据手册和产品选型表

Lighting Management Unit

Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order

Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

LCD Power

Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order

Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

LED Driver

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Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

LED Flash Driver

Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order

Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections