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Atmel LED Drivers-MSL1061/MSL1064
6-string PWM LED Driver with Digitally Compensated, 1.1MHz,
48V Boost Regulator, ±1.5% Current Balance, I 2 C Interface
Table 1. Atmel LED Drivers-MSL1061 and MSL1064 Comparison
FEATURE
I 2 C interface
Package
IPC-
2221A-2003
compliance
MSL1061
4 selectable slave addresses by
AD0 pin (0x60, 0x61, 0x62, 0x63)
28-lead, 5mm x 5mm TQFN,
0.5mm pitch
0.2mm min gap between SW pins
and adjacent conductors. Compliant
to 100V with board coating, 15V
without coating
MSL1064
1 fixed slave address (0x62)
24-lead, 5mm x 5mm TQFN,
0.65mm pitch
0.6mm min total gap between SW
pins and adjacent conductors.
Compliant to 100V with or without
board coating
APPLICATION AND SUITABILITY
Only one MSL1064 is uniquely
addressed on an I 2 C bus
If compliance is necessary use
the MSL1064 or MSL1061 with
board coating.
Capabilities With and Without Using the Serial Interface
MSL1061/64 operates as stand alone LED drivers with full digital (PWM) and analog (DAC) LED brightness control
and fault reporting through I/O controls. Alternatively, LED dimming and fault reporting is managed over an I 2 C or SMB
serial interface, allowing software/firmare LED intensity control. More detailed fault management reporting and software
controlled shutdown (Table 2) via the serial interface.
Table 2. Atmel LED Drivers-MSL1061/64 Stand Alone Capabilities and I 2 C Controlled Features
FUNCTION
Global on/off control
Individual LED string on/off control
Analog LED current adjustment
PWM LED current adjustment
Ambient light sensor (ALS) and/
or auto-matic temperature LED
current adjustment
Fault monitoring
Atmel LED Drivers-MSL1061/MSL1064
CONTROLS AVAILABLE ON PINS
EN pin (Table 3 on page 9)
Not available
ILED pin (Table 3 on page 8)
PWM pin (Table 3 on page 8)
IADJ pin (Table 3 on page 9)
FLTB pin indicates open-string, shorted-
string, and over-temperature faults
ADDITIONAL CONTROLS AVAILABLE VIA I 2 C
Run mode/sleep mode
String enables register
Current setting register
PWM frequency register
PWM duty ratio register
Current setting register
Status register identifies open/short circuit and over-
temperature faults to individual strings
5
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相关代理商/技术参数
MSL1061AV-R 功能描述:LED照明驱动器 6Str LED Dvr Dgtl 1.1MHz 48V r 1.5% 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
MSL1064 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:6-string PWM LED Driver with Digitally Compensated, 1.1MHz, 48V Boost Regulator, ±1.5% Current Balance, I2C Interface
MSL1064AW 功能描述:LED照明驱动器 6Str PWM LED Dvr Dgt 1.1MHz 48V 1.5% I 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
MSL1064AW-R 功能描述:LED照明驱动器 6Str PWM LED Dvr Dgt 1.1MHz 48V1.5% I 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
MSL1064-TC 功能描述:LED照明驱动器 6Str PWM LED Dvr Dgt 1.1MHz 48V+/-1.5% I 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
MSL106E 制造商:TE Connectivity 功能描述:
MSL-1-1/2 制造商:Cooper Bussmann 功能描述:
MSL-1-1/4 制造商:Cooper Bussmann 功能描述: