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參數(shù)資料
| 型號(hào)： | SC614DB |
| 廠商： | Semtech Corporation |
| 英文描述： | Low Noise Backlight and Flash Driver With Serial Interface |
| 中文描述： | 低噪聲背光和閃光串行接口驅(qū)動(dòng)程序 |
| 文件頁數(shù)： | 18/25頁 |
| 文件大?。?/td> | 395K |
| 代理商： | SC614DB |
2006 Semtech Corp.
POWER MANAGEMENT
Application Examples (Cont.)
SC614
United States Patent No. 6,504,422
www.semtech.com
18
Main Backlight Plus Sub-Backlight Plus Flash
D1
LED
C2
1u
D2
LED
D3
LED
D4
LED
D5
LED
102mA Max
102mA Max
102mA Max
102mA Max
C1
2u2
C3 1u
C4 1u
VIN
11
VIN
17
EN
2
SDA
7
SCL
8
ASEL
5
SDIM
3
MDIM
4
FL
6
VOUT
9
VOUT
16
M1
1
M2
24
M3
23
M4
22
S1/FL3
20
S2/FL2
19
S3/FL1
18
GND
12
GND
21
T
C
1
C
1
C
1
C
1
U1
SC614
SDA
EN
SDIM
SCL
FL
MDIM
VBAT
R1
Pull-up
VLOGIC
R2
Pull-up
Note: R1 and R2
pull-up resistors are a
requirement of the I2C
specification
MAIN BACKLIGHT
SUB BACKLIGHT
102mA Max
102mA Max
102mA Max
D6
LED
D7
LED
R3
Balance
R4
Balance
FLASH
328mA Max Continuous
Features:
Up to 4 LED main backlight with up to 32mA per LED
PWM dimming of main backlight using MDIM pin
Up to 2 LED sub-backlight with up to 32mA per LED using resistor current balancing
PWM dimming of sub-backlight using SDIM pin
Up to 204mA flash capability controlled by FL pin
Register Settings (20mA backlight currents and 200mA flash current used as an example):
0x00: set to 0x7F to enable all 7 current sinks for use
0x01 through 0x04: set to 0x32 for 20mA per current sink
0x05: set to 0x64 for 40mA for this current sink (20mA per LED)
0x06 and 0x07: set to 0xFA for 100mA per current sink, 200mA total
0x08: set to 0x44 for Flash Mode enabled, 250kHz charge pump frequency, FL pin controls S2/FL2 and S3/FL1
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| SC614EVB | Low Noise Backlight and Flash Driver With Serial Interface |
| SC614MLTRT | Low Noise Backlight and Flash Driver With Serial Interface |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| SC614EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Low Noise Backlight and Flash Driver With Serial Interface |
| SC614MLTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Low Noise Backlight and Flash Driver With Serial Interface |
| SC614-R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Speech And Music Processor |
| SC614-RL1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Speech And Music Processor |
| SC615 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Charge Pump Flash LED Driver |
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