參數(shù)資料
型號(hào)： SC621AEVB
廠商： Semtech Corporation
英文描述： Charge Pump, 4 LEDs, 400mA Flash LED, Dual LDOs, and I2C Interface
中文描述： 電荷泵，4個(gè)LED，400mA的閃光LED，雙LDO和I2C接口
文件頁(yè)數(shù)： 12/24頁(yè)
文件大?。?/td> 327K
代理商： SC621AEVB
SC621A
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
PDF描述
SC621A Charge Pump, 4 LEDs, 400mA Flash LED, Dual LDOs, and I2C Interface
SC621AULTRT Charge Pump, 4 LEDs, 400mA Flash LED, Dual LDOs, and I2C Interface
SC621 LED Light Management Unit Charge Pump, 4 LEDs, 400mA Flash LED, Dual LDOs, and SemWireTM Interface
SC621EVB LED Light Management Unit Charge Pump, 4 LEDs, 400mA Flash LED, Dual LDOs, and SemWireTM Interface
SC621ULTRT LED Light Management Unit Charge Pump, 4 LEDs, 400mA Flash LED, Dual LDOs, and SemWireTM Interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC621AULTRT 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:Charge Pump, 4 LEDs, 400mA Flash LED, Dual LDOs, and I2C Interface
SC621EVB 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:LED Light Management Unit Charge Pump,4 LEDs, 400mA Flash LED Dual LDOs,and SemWire Interface
SC621ULTRT 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:LED Light Management Unit Charge Pump,4 LEDs, 400mA Flash LED Dual LDOs,and SemWire Interface
SC622 制造商:M.E.C. Relays 功能描述:
SC622_09 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWire Interface
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*