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Pin Descriptions
Table 3. Pin Assignments
8
PIN NAME
VCC
VDD
TEST1
TEST2
SDA
SCL
AD0
PWM
FLTB
OSC
TEST3
ILED
MSL1061
1
2
3
4
5
6
7
8
9
10
11
12
MSL1064
1
2
3
4
5
6
-
7
8
9
-
10
PIN DESCRIPTION
6V internal linear regulator output
VCC powers the internal power FET switch driver.
Bypass VCC to GND either with a 10μF or greater ceramic capacitor, or with a 10μF or
greater tantalum capacitor in parallel with a 1μF ceramic capacitor.
If the voltage at VIN is less than 6.5V, connect VCC directly to VIN to bypass the internal
linear regulator, and power the driver directly from VIN
2.9V internal linear regulator output
VDD powers internal logic. Bypass VDD to GND with at least a 4.7μF ceramic capacitor
Factory test connection. Leave unconnected
Factory test connection. Connect to GND
I2C serial data I/O
SDA is the data I/O for the I2C serial interface
I2C serial clock input
SCL is the clock input for the I2C serial interface
I2C slave ID selection input
For MSL1061, connect AD0 to GND, VDD, SCL, or SDA to set the I2C slave ID to 0x60,
0x61, 0x62, or 0x63. The MSL1064 I2C slave ID is fixed at 0x62, and is not user-selectable
PWM control input
Drive PWM with a PWM signal up to 40kHz to pulse-width-modulate the LED current
Fault indication output (active low)
FLTB sinks current to GND whenever the MSL1061/64 detects a fault.
Once a fault is detected, FLTB remains low until EN is toggled low/high, input power is
cycled off/on, or the fault status is reset through the I2C interface.
Oscillator control input
Connect a 115k?, 1% resistor from OSC to GND to set the internal oscillator frequency
to 11MHz and the boost regulator switching frequency to 1.1MHz
Factory test connection with internal 1.8k? pull-up to VDD. Leave unconnected
Maximum LED current control input
Connect a resistor from ILED to GND to set the full-scale LED string current.
For example, connect a 100k? resistor to GND to set a 20mA sink current through
each LED string
Atmel LED Drivers-MSL1061/MSL1064
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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: