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参数资料
| 型号： | MSL3085BT |
| 厂商： | Atmel |
| 文件页数： | 18/20页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER 8 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： | 8 |
| 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： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN（6x6） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 105°C |
Register Power-up Defaults
Register power-up default values are shown in Table 3.
Table 3. Atmel LED Driver-MSL3085 Register Power-up Defaults
REGISTER NAME
AND ADDRESS
POWER-UP CONDITION
REGISTERS INITIALIZED FROM EEPROM
D7
D6
D5
REGISTER DATA
D4 D3 D2
D1
D0 HEX
0x00
0x01
0x02
0x03
0x04
0x05
0x0F
0x10
0x11
0x12
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
STRINGEN0
STRINGEN1
CONFIG
FLTEN
STRFLTEN0
STRFLTEN1
OSCFREQ
FBOCTRL0
FBOCTRL1
FBOCTRL2
GSCCTRL
GSCCNTR
GSCMUL
GSCDIV
GSCMAX
PHICTRL
LED strings 0, 2, 4, 6, 9, 11, 12, and 14 enabled
String short circuit confirmation delay = 256μs
String current fold-back enabled
Device awake
FBO open circuit fault detect globally enabled
String open circuit fault detect globally enabled
LED short circuit fault detect globally enabled
GSC max fault detect globally disabled
PHI max fault detect globally disabled
I 2 C timeout enabled
Fault detection individually enabled
For all strings (0, 2, 4, 6, 9, 11, 12, and 14)
f osc = 20MHz
Current sink error confirmation delay = 2μs
FBO power supply correction delay = 4ms
Efficiency Optimizer auto-recalibration delay = 1s
Efficiency Optimizer headroom steps = 3
MOSFET current sink error detection enabled
Efficiency Optimizer auto-recalibration enabled
PWM settings used during auto-recalibration
PWM settings used during initial calibration
Efficiency Optimizer correction step size = 1 LSB (1μA)
Efficiency Optimizer initial calibration step size = 1 LSB
(1μA)
FBO outputs globally enabled
FBO1 open circuit detection enabled
FBO2 open circuit detection disabled
External signal at GSC is selected for input to the PWM
engine
GSC not internally synchronized to PHI
PWM drive synchronized to falling edge of external GSC
signal
GSC maximum count fault detect is disabled
although disabled, GSC max fault monitors f pGSC
Although disabled, internal GSC
Frequency f GGEN = 20MHz / (80 + 1) = 246kHz
GSC multiplexer output is multiplied by 4
(register setting + 1)
GSC multiplier output is divided by 1 (register setting + 1)
Although disabled, GSC max count is set to 174 clock
cycles
External signal at PHI selected for input to PWM engine
PWM engine is synchronized to the falling edge of PHI
PHI maximum count fault detect is disabled
Although disabled, PHI max count monitors f pPHI
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
0
1
1
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
0
1
1
0
0
1
0
0
1
0
0
0
0
0
0
0
1
1
0
0
1
0
1
1
0
0
0
0
0
0
1
0
0
1
0
1
1
1
0
1
0
0
0
0
0
0
0
0
1
0
0
0
1
0
1
0
1
0
0
1
1
0
0
0
1
0
1
0
0
1
0
1
1
1
0
0
1
0
1
0
0
0
1
0
0
0
0
55
5A
0D
27
55
5A
04
49
1A
03
00
50
00
03
00
AE
00
00
18
Atmel LED Driver-MSL3085
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| MSL3085BT-R | 功能描述:LED照明驱动器 8-String White & RGB LED Drivers with Ad 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 |
| MSL3086-IU | 功能描述:LED照明驱动器 8-Str LED Driver Internal Boost Cntr 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 |
| MSL3086-IUR | 功能描述:LED照明驱动器 8-Str LED Driver Internal Boost Cntr 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 |
| MSL3088-IU | 功能描述:LED照明驱动器 8-Str LED Driver Intrnl Bst Cntr/Phas 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 |
| MSL3088-IUR | 功能描述:LED照明驱动器 8-Str LED Driver Intrnl Bst Cntr/Phas 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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