参数资料
型号: PCA9632TK,118
厂商: NXP Semiconductors
文件页数: 27/39页
文件大小: 0K
描述: IC LED DRIVER RGBA 8HVSON
标准包装: 1
拓扑: 开路漏极,PWM
输出数: 4
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: 400kHz
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: 8-VFDFN 裸露焊盘
供应商设备封装: 8-HVSON
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: 568-8715-6
NXP Semiconductors
PCA9632
4-bit Fm+ I 2 C-bus low power LED driver
13. Dynamic characteristics
Table 19.
Dynamic characteristics
Symbol Parameter
Conditions
Standard- mode
Fast-mode
Fast-mode
Unit
I 2 C-bus
I 2 C-bus
Plus I 2 C-bus
Min
Max
Min
Max
Min
Max
f SCL
t BUF
SCL clock frequency
bus free time between a
[1]
0
4.7
100
-
0
1.3
400
-
0
0.5
1000
-
kHz
? s
STOP and START condition
t HD;STA
hold time (repeated) START
4.0
-
0.6
-
0.26
-
? s
condition
t SU;STA
set-up time for a repeated
4.7
-
0.6
-
0.26
-
? s
START condition
t SU;STO
set-up time for STOP
4.0
-
0.6
-
0.26
-
? s
condition
t HD;DAT
data hold time
0
-
0
-
0
-
ns
t VD;ACK
t VD;DAT
t SU;DAT
t LOW
data valid acknowledge time
data valid time
data set-up time
LOW period of the SCL
[2]
[3]
0.3
0.3
250
4.7
3.45
3.45
-
-
0.1
0.1
100
1.3
0.9
0.9
-
-
0.05
0.05
50
0.5
0.45
0.45
-
-
? s
? s
ns
? s
clock
t HIGH
HIGH period of the SCL
4.0
-
0.6
-
0.26
-
? s
clock
t f
fall time of both SDA and
[4][5]
-
300
20 + 0.1C b [6]
300
-
120
ns
SCL signals
t r
rise time of both SDA and
-
1000
20 + 0.1C b [6]
300
-
120
ns
SCL signals
t SP
pulse width of spikes that
[7]
-
50
-
50
-
50
ns
must be suppressed by the
input filter
[1]
[2]
[3]
[4]
[5]
[6]
[7]
Minimum SCL clock frequency is limited by the bus time-out feature, which resets the serial bus interface if either SDA or SCL is held
LOW for a minimum of 25 ms. Disable bus time-out feature for DC operation.
t VD;ACK = time for Acknowledgement signal from SCL LOW to SDA (out) LOW.
t VD;DAT = minimum time for SDA data out to be valid following SCL LOW.
A master device must internally provide a hold time of at least 300 ns for the SDA signal (refer to Table 18 , V IL of the SCL signal) in
order to bridge the undefined region of SCL’s falling edge.
The maximum t f for the SDA and SCL bus lines is specified at 300 ns. The maximum fall time (t f ) for the SDA output stage is specified at
250 ns. This allows series protection resistors to be connected between the SDA and the SCL pins and the SDA/SCL bus lines without
exceeding the maximum specified t f .
C b = total capacitance of one bus line in pF.
Input filters on the SDA and SCL inputs suppress noise spikes less than 50 ns.
PCA9632
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 27 July 2011
? NXP B.V. 2011. All rights reserved.
27 of 39
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