参数资料
型号: PCA9624PW,118
厂商: NXP Semiconductors
文件页数: 18/37页
文件大小: 0K
描述: IC LED DRIVER RGBA 24-TSSOP
标准包装: 2,500
拓扑: 开路漏极,PWM
输出数: 8
内部驱动器:
类型 - 主要: 背光,LED 闪烁器
类型 - 次要: RGBA
频率: 100kHz ~ 1MHz
电源电压: 2.3 V ~ 5.5 V
输出电压: 40V
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
NXP Semiconductors
ReSTART
PCA9624
8-bit Fm+ I 2 C-bus 100 mA 40 V LED driver
slave address
control register
condition
slave address
data from MODE1 register
S A6 A5 A4 A3 A2 A1 A0 0
A
1
0
0
0
0
0
0
0
A Sr A6 A5 A4 A3 A2 A1 A0 1
A
A (cont.)
START condition
R/W
acknowledge
Auto-Increment
on all registers
MODE1
register
selection
acknowledge
from slave
R/W
acknowledge
acknowledge
from master
from slave
Auto-Increment on
data from
from slave
data from
data from MODE2 register
data from PWM0
ALLCALLADR register
MODE1 register
(cont.)
A
acknowledge
from master
A
acknowledge
from master
A
acknowledge
from master
A (cont.)
acknowledge
from master
data from last read byte
(cont.)
A
not acknowledge
from master
P
STOP
condition
002aac151
Fig 15. Read all registers using the Auto-Increment feature
slave address (1)
control register
new LED All Call I 2 C address (2)
sequence (A) S A6 A5 A4 A3 A2 A1 A0 0
A
X
X
X
1
1
0
1
1
A
1
0
1
0
1
0
1
X
A
P
START condition
R/W
acknowledge
from slave
ALLCALLADR
register selection
Auto-Increment on
acknowledge
from slave
acknowledge
from slave
STOP
condition
the 8 LEDs are on at the acknowledge (3)
LED All Call I 2 C address
control register
LEDOUT register (LED fully ON)
sequence (B) S
1
0
1
0
1
0
1
0
A
X
X
X
0
1
0
0
0
A
0
1
0
1
0
1
0
1
A
P
START condition
R/W
acknowledge
from the
4 devices
LEDOUT
register selection acknowledge
from the
4 devices
acknowledge
from the
4 devices
STOP
condition
002aad598
(1) In this example, several PCA9624s are used and the same sequence (A) (above) is sent to each of them.
(2) ALLCALL bit in MODE1 register is equal to 1 for this example.
(3) OCH bit in MODE2 register is equal to 1 for this example.
Fig 16. LED All Call I 2 C-bus address programming and LED All Call sequence example
PCA9624
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 6 September 2012
? NXP B.V. 2012. All rights reserved.
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