参数资料
型号: PCA9634D,118
厂商: NXP Semiconductors
文件页数: 18/38页
文件大小: 0K
描述: IC LED DRIVER RGBA 20-SOIC
产品培训模块: LED Controllers
I²C Bus Fundamentals
标准包装: 1
拓扑: 开路漏极,PWM
输出数: 8
内部驱动器: 两者兼有
类型 - 主要: 背光,LED 闪烁器
类型 - 次要: RGBA
频率: 25MHz
电源电压: 2.3 V ~ 5.5 V
输出电压: 5.5V
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SO
包装: 标准包装
工作温度: -40°C ~ 85°C
产品目录页面: 845 (CN2011-ZH PDF)
其它名称: 568-4065-6
NXP Semiconductors
PCA9634
8-bit Fm+ I 2 C-bus LED driver
Table 15. Output transistors based on LEDOUT registers, INVRT and OUTDRV bits when OE = 0
When OE = 1, LED output state is controlled only by OUTNE[1:0] bits (MODE2 register).
LEDOUT
INVRT
OUTDRV
Upper transistor Lower transistor
LEDn state
(V DD to LEDn)
(LEDn to V SS )
00
LED driver off
01
LED driver on
10
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
off
on
off
off
off
off
off
on
off
off
off
on
on
on
on
off
off
Individual PWM
high-Z [1]
V DD
V SS
V SS
V SS
V SS
high-Z [1]
V DD
V SS or high-Z [1] = PWMx value
Individual
(non-inverted)
brightness
0
1
Individual PWM
Individual PWM
V SS or V DD = PWMx value
control
(non-inverted)
(non-inverted)
1
0
off
Individual PWM
high-Z [1] or V SS = 1 ? PWMx value
(inverted)
1
1
Individual PWM
Individual PWM
V DD or V SS = 1 ? PWMx value
(inverted)
(inverted)
11
Individual +
Group
0
0
off
Individual + Group V SS or high-Z [1] = PWMx or GRPPWM
values
PWM
(non-inverted)
dimming/blinking 0
1
Individual PWM
Individual PWM
V SS or V DD = PWMx or GRPPWM values
(non-inverted)
(non-inverted)
1
0
off
Individual + Group high-Z [1] or V SS = (1 ? PWMx) or
PWM (inverted) (1 ? GRPPWM) values
1
1
Individual PWM
(inverted)
Individual PWM
(inverted)
V DD or V SS = (1 ? PWMx) or
(1 ? GRPPWM) values
[1]
External pull-up or LED current limiting resistor connects LEDn to V DD .
PCA9634_6
? NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 06 — 12 September 2008
18 of 38
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