MSL2042GU Atmel, MSL2042GU Datasheet - Page 20

• Manufacturer Part Number: MSL2042GU
• Description: LED Lighting Drivers 4Str RGB or White LED Driver lighting
• Manufacturer: Atmel

Specifications of MSL2042GU

• Rohs: yes
• Input Voltage: 10.8 V to 13.2 V
• Maximum Supply Current: 31.5 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOP-32
• Minimum Operating Temperature: - 40 C
• Power Dissipation: 1576 mW
• Factory Pack Quantity: 1000

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Register Power-up Defaults
Register power-up default values are shown in Table 4.
Table 4. Register Power-up Defaults
0x00
0x02
0x08
0x0E
0x10
0x11
®
REGISTER NAME
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AND ADDRESS
RESERVED
STRINGEN
FBOCTRL
FLTMASK
CONFIG
ISTR
All Four LED String Drive Outputs Enabled
Device Awake
Efficiency Optimizer Outputs Enabled
String Open Circuit Detection Enabled
LED Short Circuit Detection Enabled
I
String Current Fold-Back Disabled
All Four Strings Monitored for Faults
Global String Peak Current is ½ its Programmable Value
0x04
MOSFET Current Sink Error Detection Enabled
Efficiency Optimizer Auto-Recalibration Enabled
Efficiency Optimizer Initial Calibration Step Size = 1
LSBs
Efficiency Optimizer Headroom Correction Step Size =
1 LSBs
2
C Timeout Enabled
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REGISTERS INITIALIZED FROM E²PROM
POWER-UP CONDITION
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D7
0
0
0
0
0
0
D6 D5 D4 D3 D2 D1 D0 HEX
0
1
0
1
0
0
0
0
0
1
0
0
REGISTER DATA
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0
0
0
1
0
1
1
1
1
1
0
0
1
1
1
1
1
0
1
1
1
1
0
1
1
0
1
1
0
0
4E
0F
0F
7F
04
1A