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| 型号： | AD8240YRMZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/12页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER PWM CONTROL 8-MSOP |
| 标准包装： | 50 |
| 恒定电流： | 是 |
| 拓扑： | 线性，PWM |
| 输出数： | 1 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 车载 |
| 频率： | 500Hz |
| 电源电压： | 9 V ~ 27 V |
| 输出电压： | 12V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 125°C |
| 产品目录页面： | 791 (CN2011-ZH PDF) |
AD8240
As a result, the constant voltage driving/monitoring method is
the lowest cost and least-prone-to-failure method for driving
and monitoring LEDs from a system perspective. This is
primarily because the number of wires and connections can be
minimized. By using a constant voltage driver and measuring
the current, an LED lamp can be driven and monitored using
only two wires (power and ground). In many cases, this can be
reduced to one wire when the chassis or shared ground return
is used. This is a similar architecture used with incandescent
bulbs, which means no changes to the wiring harness are
necessary with this LED implementation.
Constant voltage driving/monitoring is a proven method
already in use in a number of automotive platforms to drive
LED tail, running, and turn-indicator lamps.
The AD8240 LED lamp driver/monitor is designed for use in
the body control or related module. When used this way, it is
very similar to the method that has been used to control
external incandescent lamps. By utilizing the existing lamp
driving architecture, additional modules are not required to
drive the external lamps, which further minimizes the cost.
It is possible to retrofit existing lamp driving modules with
the AD8240 with minimal engineering time required.
Most automotive platforms no longer use a switch on the
dashboard to directly control the incandescent lamps. These
lamps are now controlled and driven by the body control ECU.
By using this constant voltage architecture, the control and drive
function for the LEDs can remain in the ECU with minimal
design modification.
Rev. 0 | Page 9 of 12
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相关代理商/技术参数 |
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| AD8240YRMZ-R7 | 功能描述:IC LED DRIVER PWM CONTROL 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| AD8240YRMZ-RL | 功能描述:IC LED DRIVER PWM CONTROL 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| AD8244 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Supply, Low Power, Precision FET Input Quad Buffer |
| AD8244ARMZ | 制造商:Analog Devices 功能描述:JFET QUAD BUFFER AFE - Rail/Tube 制造商:Analog Devices 功能描述:IC BUFFER QUAD FET-INPUT 10MSOP 制造商:Analog Devices 功能描述:Operational Amplifiers - Op Amps JFET Quad Buffer AFE Sigma Delta ADC |
| AD8244ARMZ-R7 | 制造商:Analog Devices 功能描述:JFET QUAD BUFFER AFE - Tape and Reel |
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