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參數(shù)資料
| 型號： | SC624AEVB |
| 廠商： | Semtech Corporation |
| 英文描述： | LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and I2C Interface |
| 中文描述： | LED燈管理股電荷泵，4個LED，雙LDO和I2C接口 |
| 文件頁數(shù)： | 11/23頁 |
| 文件大小： | 309K |
| 代理商： | SC624AEVB |
SC624A
11
Pin Descriptions
Pin #
Pin Name
Pin Function
1
C2-
Negative connection to bucket capacitor 2 — requires a 1μF capacitor connected to C2+
2
PGND
Ground pin for high current charge pump
3
NC
Unused pin
—
do not terminate
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
SCL
I
2
C clock input pin
10
NC
Unused pin
—
do not terminate
11
SDA
I
2
C bi-directional data pin — used for read and write operations for all internal registers (refer to
Register Map and I
2
C Interface sections)
12
EN
Chip enable — active high — low state resets all registers (see register map table)
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 2.2μF
capacitor to PGND
17
C2+
Positive connection to bucket capacitor 2 — requires a 1μF capacitor connected to C2-
18
C1+
Positive connection to bucket capacitor 1 — requires a 1μF capacitor connected to C1-
19
VIN
Battery voltage input — connect with a 1μF capacitor to PGND
20
C1-
Negative connection to bucket capacitor 1 — requires a 1μF 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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| SC624 | LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and SemWireTM Interface |
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相關代理商/技術參數(shù) |
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|---|---|
| SC624AULTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and I2C Interface |
| SC624EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs,and SemWireTM Interface |
| SC624ULTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs,and SemWireTM Interface |
| SC627 | 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 |
| SC627_09 | 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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