參數(shù)資料
型號： 935287058118
廠商： NXP SEMICONDUCTORS
元件分類： 顯示驅(qū)動器
英文描述： LED DISPLAY DRIVER, PQCC28
封裝： 6 X 6 MM, 0.85 MM HIGHT, PLASTIC, MO-220, SOT788-1, HVQFN-28
文件頁數(shù)： 28/54頁
文件大小： 410K
代理商： 935287058118
PCA9685_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 16 July 2009
34 of 50
NXP Semiconductors
PCA9685
16-channel, 12-bit PWM Fm+ I2C-bus LED controller
10. Application design-in information
I2C-bus address = 1010 101x.
All 16 of the LEDn outputs congurable as either open-drain or totem pole. Mixing of conguration is not possible.
Remark: Set INVRT = 0, OUTDRV = 1, OUTNE = 01 (MODE2 register bits)
(1) Resistor value should be chosen by referencing section 7 of
UM10204, “I2C-bus specication and user manual”.
(2) OE requires pull-up resistor if control signal from the master is open-drain.
Fig 26. Typical application
PCA9685
LED0
LED1
SDA
SCL
OE
VDD = 2.5 V, 3.3 V or 5.0 V
I2C-BUS/SMBus
MASTER
002aac827
SDA
SCL
(1)
OE
(1)
LED2
LED3
A0
A1
A2
VDD
A3
A4
A5
VSS
5 V
10 k
(2)
12 V
LED4
LED8
LED9
LED10
LED11
LED12
LED13
LED14
LED15
EXTCLK
5 V
12 V
LED5
LED6
LED7
5 V
12 V
5 V
12 V
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