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PDF MSL1061 Data sheet ( Hoja de datos )
| Número de pieza | MSL1061 | |
| Descripción | (MSL1061 / MSL1064) 6-string PWM LED Driver | |
| Fabricantes | ATMEL Corporation | |
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Hay una vista previa y un enlace de descarga de MSL1061 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
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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, I2C Interface
Datasheet Brief
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Atmel LED Drivers-MSL1061/MSL1064
6-string PWM LED Driver with Digitally Compensated, 1.1MHz,
48V Boost Regulator, ±1.5% Current Balance, I2C Interface
Table 1. Atmel LED Drivers-MSL1061 and MSL1064 Comparison
FEATURE
MSL1061
I2C interface
4 selectable slave addresses by
AD0 pin (0x60, 0x61, 0x62, 0x63)
MSL1064
1 fixed slave address (0x62)
APPLICATION AND SUITABILITY
Only one MSL1064 is uniquely
addressed on an I2C bus
Package
28-lead, 5mm x 5mm TQFN,
0.5mm pitch
24-lead, 5mm x 5mm TQFN,
0.65mm pitch
IPC-
2221A-2003
compliance
0.2mm min gap between SW pins
and adjacent conductors. Compliant
to 100V with board coating, 15V
without coating
0.6mm min total gap between SW
pins and adjacent conductors.
Compliant to 100V with or without
board coating
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 I2C 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 I2C Controlled Features
FUNCTION
Global on/off control
CONTROLS AVAILABLE ON PINS
EN pin (Table 3 on page 9)
ADDITIONAL CONTROLS AVAILABLE VIA I2C
Run mode/sleep mode
Individual LED string on/off control Not available
String enables register
Analog LED current adjustment ILED pin (Table 3 on page 8)
Current setting register
PWM LED current adjustment
PWM pin (Table 3 on page 8)
PWM frequency register
PWM duty ratio register
Ambient light sensor (ALS) and/
or auto-matic temperature LED
current adjustment
IADJ pin (Table 3 on page 9)
Current setting register
Fault monitoring
FLTB pin indicates open-string, shorted- Status register identifies open/short circuit and over-
string, and over-temperature faults
temperature faults to individual strings
Atmel LED Drivers-MSL1061/MSL1064
5
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
Atmel LED Drivers-MSL1061/MSL1064
6-string PWM LED Driver with Digitally Compensated, 1.1MHz,
48V Boost Regulator, ±1.5% Current Balance, I2C Interface
Electrical Characteristics
(Circuit of Figure 6, VVIN = 12V, default register settings of Table 7, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C) (Note 1)
PARAMETER
CONDITIONS AND NOTES
MIN TYP MAX UNIT
DC ELECTRICAL CHARACTERISTICS
VIN operating supply voltage
VIN quiescent supply current
VIN shutdown supply current
VCC output voltage
VCC line regulation
VCC dropout voltage
VCC short-circuit current
VCC UVLO threshold
VDD output voltage
VDD short-circuit current
VDD UVLO threshold
Thermal shutdown threshold (rising)
Thermal shutdown hysteresis
VVIN = VVCC
VCC unconnected
VEN = 3V, VPWM = 0V
VEN = VPWM = 0V
VVIN = 12V
VVIN = 6V, VVCC = 6V
6.5V < VVIN < 36V
VVIN = 6V, IVCC = 5mA, VPWM = 0V
VVCC = 0V
VVCC rising, hysteresis = 150mV
IVDD = 1mA
VVDD = 0V
VVDD rising, hysteresis = 80mV
4.75
6.5 V
6.5 36 V
4 14 mA
4 14 mA
1 4 10 µA
5.6 6 6.3 V
1 2 5 mV
100 300 550 mV
30 80 150 mA
4.1 4.3 4.5
V
2.7 2.9 3.1
V
10 35 60 mA
2.4 2.5 2.6
V
135 °C
10 °C
PARAMETER
CONDITIONS AND NOTES
DC ELECTRICAL CHARACTERISTICS - LED CURRENT CONTROL STR0 TO STR5
ILED regulation voltage
R5 = 100kΩ
STR0 to STR5 full scale sink current
STR0 to STR5 maximum sink current
VSTRn = 1V, R5 = 100kΩ, VIADJ = VPWM = 3V
VSTRn = 1V, R5 = 60kΩ, VIADJ = VPWM = 3V
(Note 10)
STR0 to STR5 current matching
STR0 to STR5 leakage current
STR0 to STR5 short circuit detection threshold
VSTRn = 1V, R5 = 100kΩ, VPWM = 3V (Note 11)
VEN = 0V, VSTRn = 40V
VEN = 3V, VSTRn = 40V, VPWM = 3V
STR0 to STR5 open circuit detection threshold
MIN
1.195
19.7
30
4
TYP
1.22
20
0.1
0.1
4.4
0.1
MAX UNIT
1.245
20.3
1.5
1
1
4.8
V
mA
mA
%
µA
µA
V
V
PARAMETER
CONDITIONS AND NOTES
DC ELECTRICAL CHARACTERISTICS - LOGIC I/OS
EN logic high input voltage
EN logic low input voltage
EN logic input current
VEN = 3V
MIN TYP MAX UNIT
2.3 V
0.8 V
20 µA
Atmel LED Drivers-MSL1061/MSL1064
11
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11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet MSL1061.PDF ] | |
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