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參數(shù)資料
| 型號： | SC627EVB |
| 廠商： | Semtech Corporation |
| 英文描述： | LED Light Management Unit Charge Pump, 4 LEDs, 700mA Flash LED, Dual LDOs, and SemWireTM Interface |
| 中文描述： | LED燈管理股電荷泵，4個LED，700mA的閃光LED，雙LDO，和SemWireTM接口 |
| 文件頁數(shù)： | 11/23頁 |
| 文件大小： | 371K |
| 代理商： | SC627EVB |
SC627
11
Pin Descriptions
Pin #
Pin Name
Pin Function
1
C2-
Negative connection to bucket capacitor 2 — requires a 2.2μF capacitor
connected to C2+
2
PGND
Ground pin for high current charge pump and Flash LED driver
3
FL
Current sink output for flash LED(s)
4
BL1
Current sink output for main backlight LED 1
—
leave this pin open if unused
5
BL2
Current sink output for main backlight LED 2
—
leave this pin open if unused
6
BL3
Current sink output for main backlight LED 3
—
leave this pin open if unused
7
BL4
Current sink output for main backlight LED 4
—
leave this pin open if unused
8
AGND
Analog ground pin
—
connect to ground and separate from PGND current
9
GREF
Ground reference
—
connect to ground
10
FLEN
Control pin for flash LED(s) — high = ON, low = OFF
11
SWIF
SemWire single wire interface pin — used to enable/disable the device and to
set up all internal registers (refer to Register Map and SemWire Interface sections)
12
NC
Unused pin — do not terminate
13
BYP
Bypass pin for voltage reference
—
connect with a 22nF capacitor to AGND
14
LDO2
Output of LDO2
—
connect with a 1μF capacitor to AGND
15
LDO1
Output of LDO1 — connect with a 1μF capacitor to AGND
16
VOUT
Charge pump output — all LED anode pins should be connected to this
pin — requires a 4.7μF capacitor to PGND
17
C2+
Positive connection to bucket capacitor 2 — requires a 2.2μF capacitor connected to C2-
18
C1+
Positive connection to bucket capacitor 1 — requires a 2.2μF capacitor connected to C1-
19
VIN
Battery voltage input
—
connect with a 2.2μF capacitor to PGND
20
C1-
Negative connection to bucket capacitor 1 — requires a 2.2μF capacitor
connected to C1+
T
THERMAL PAD
Thermal pad for heatsinking purposes
—
connect to ground plane using multiple
vias
—
not connected internally
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相關(guān)代理商/技術(shù)參數(shù) |
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| SC627ULTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 4 LEDs, 700mA Flash LED, Dual LDOs, and SemWireTM Interface |
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