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参数资料
| 型号： | MSL2160DQ |
| 厂商： | Atmel |
| 文件页数： | 4/28页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER 16 STRING |
| 产品培训模块： | Industrial Panel Backlighting Driver ICs LED Lighting Drivers LED Driver Basics |
| 标准包装： | 2,500 |
| 系列： | Adaptive SourcePower™ |
| 拓扑： | 交直流离线开关，PWM |
| 输出数： | 16 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 背光，通用 |
| 类型 - 次要： | RGB，白色 LED |
| 频率： | 19.4MHz ~ 20.6MHz |
| 电源电压： | 10.8 V ~ 13.2 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-VFQFN 裸露焊盘 |
| 供应商设备封装： | 64-TQFN（9x9） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 105°C |
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Atmel LED Drivers-MSL2160/61
Overview
The MSL2160/1 LED string controllers drive, monitor,
and dim multiple LEDs at high efficiency for LCD
backlighting and signage applications. This section
summarizes the capabilities of the MSL2160/1 for
quick evaluation.
How Many LEDs and Drivers?
The MSL2160/1 controls 16 strings of series-
connected LEDs at up to 350mA per string. Up to eight
MSL2160/1s share a serial interface. The maximum
number of LEDs per string is determined by the
maximum power supply voltage, the LED forward
voltage drop (V F ), and the gate drive outputs of the
MSL2160/1. The MSL2160/1 FET gate drive outputs
are optimized for FETs requiring up to 10nC of charge.
LEDs, String Power Supplies
and Efficiency Optimizers (EOs)
The MSL2160/1 Efficiency Optimizer (EO) circuits
dynamically adjust up to three LED string power
supplies to the minimum voltage necessary to
accurately drive the LED strings while assuring accurate
current flow. The power supplies can use any topology,
and are typically DC-DC boost or buck, or AC-DC off-line
switcher supplies.
Table 1. LED Common Backlight Drive Architectures and Features
The MSL2160/1 allows RGB LEDs to be driven by three
separate string supplies, and feature three independent
EO outputs to maximize the efficiency for each supply.
Although not required, it is wise to use this capability
even for single-color systems, such as white backlighting
LEDs in an LCD monitor or TV application.
Timing, PWM, Intensity Controls
and Synchronization
For video applications, the PWM LED drive signals
synchronize to the LCD’s video frame timing via the
PHI input, and to the LCD’s pixel timing via the GSC
input. This synchronization eliminates beating artifacts.
Suitability for LED backlight architectures is shown in
Table 1. Area LED dimming for direct backlighting is
supported for contrast and color gamut improvement.
Motion blur is reduced by setting each LED string’s
PWM phasing individually to synchronize PWM off times
with the LCD timing.
The MSL2160/1 also includes easily controlled internal
PWM timing generation for stand alone (non-video)
LED lighting applications that do not provide external
timing sources. One MSL2160/1 simply generates
PWM timing for itself and for the other devices in a
multiple-device application. Optionally, a single external
PWM signal applied to the PWM input controls all of
the strings’ on times, with automatic progressive phase
delay available through a single control bit.
4
BACKLIGHT TYPE
White LED - bottom edge-lit
White LED - top/bottom edge-lit
White LED - four sides edge-lit
White LED - direct back-lit
RGB LED - direct back-lit
MOTION BLUR REMOVAL
No
No
No
Yes, LED string phasing
Yes, LED string phasing
AREA DIMMING MANAGEMENT
No
No
No
Higher contrast ratio (area dimming)
Higher contrast ratio and color gamut
STRING SUPPLY
OPTIONS
Up to three efficiency
optimized power supplies
Three efficiency optimized
power supplies
Atmel LED Drivers-MSL2160/MSL2161
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MSL2160DQ-R | 功能描述:LED照明驱动器 16String White & RGB LED Drivers with A RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MSL2161 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:16-string, White and RGB LED Drivers with Adaptive Configuration, EEPROM, and SPI/I2C/SMBus Serial Interface |
| MSL2161DQ | 功能描述:LED照明驱动器 16String White & RGB LED Drivers with A RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MSL2161DQ-R | 功能描述:LED照明驱动器 16String White & RGB LED Drivers with A RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MSL2162DQ | 功能描述:LED照明驱动器 16-String RGBWhite LED Dvrs AdapCon E2P RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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