參數(shù)資料
型號(hào)： SC627AEVB
廠商： Semtech Corporation
英文描述： LED Light Management Unit Charge Pump, 4 LEDs, 700mA Flash LED, Dual LDOs, and I2C Interface
中文描述： LED燈管理股電荷泵，4個(gè)LED，700mA的閃光LED，雙LDO和I2C接口
文件頁(yè)數(shù)： 12/24頁(yè)
文件大小： 390K
代理商： SC627AEVB
SC627A
12
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
SCL
I
2
C clock input pin
10
FLEN
Control pin for flash LED(s) — high = ON, low = OFF
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 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
相關(guān)PDF資料
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SC627 LED Light Management Unit Charge Pump, 4 LEDs, 700mA Flash LED, Dual LDOs, and SemWireTM Interface
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC627AULTRT 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 I2C Interface
SC627EVB 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
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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SC6-28 制造商:WM BERG 功能描述:
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