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| 型号： | PCA9533DP/01,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 12/24页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER RGB 8-TSSOP |
| 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： | 4 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，LED 闪烁器 |
| 类型 - 次要： | RGB |
| 频率： | 400kHz |
| 电源电压： | 2.3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 产品目录页面： | 825 (CN2011-ZH PDF) |
| 配用： | 568-4003-ND - DEMO BOARD LED DIMMER 568-3512-ND - DEMO BOARD UART TO I2C |
| 其它名称： | 568-3374-6 |
NXP Semiconductors
PCA9533
4-bit I 2 C-bus LED dimmer
8.2 Programming example
The following example will show how to set LED0 and LED1 off. It will set LED2 to blink at
1 Hz at a 50 % duty cycle. LED3 will be set to be dimmed at 25 % of their maximum
brightness (duty cycle = 25 %). PCA9533/01 is used in this example.
Table 11.
Programming PCA9533
Program sequence
START
PCA9533 address
PSC0 subaddress + Auto-Increment
Set prescaler PSC0 to achieve a period of 1 second:
PSC0 + 1
Blink period = 1 = ------------------------
152
PSC0 = 151
Set PWM0 duty cycle to 50 %:
PWM0
----------------- = 0.5
256
PWM0 = 128
Set prescaler PCS1 to dim at maximum frequency:
Blink period = max
PSC1 = 0
Set PWM1 output duty cycle to 25 %:
PWM1
----------------- = 0.25
256
PWM1 = 64
Set LED0 on, LED1 off; LED2 set to blink at PSC0, PWM0; LED3 set to blink at
PSC1, PWM1
STOP
9. Limiting values
Table 12. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
I 2 C-bus
S
C4h
11h
97h
80h
00h
40h
E1h
P
Symbol
V DD
V I/O
I O(LEDn)
I SS
P tot
T stg
T amb
Parameter
supply voltage
voltage on an input/output pin
output current on pin LEDn
ground supply current
total power dissipation
storage temperature
ambient temperature
Conditions
operating
Min
? 0.5
V SS ? 0.5
-
-
-
? 65
? 40
Max
+6.0
5.5
25
100
400
+150
+85
Unit
V
V
mA
mA
mW
° C
° C
PCA9533_3
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 27 April 2009
12 of 24
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA9533DP02 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:4-bit I2C LED dimmer |
| PCA9534 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit I2C and SMBus, low power I/O port with interrupt |
| PCA9534A | 制造商:TI 制造商全称:Texas Instruments 功能描述:REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS |
| PCA9534A_10 | 制造商:TI 制造商全称:Texas Instruments 功能描述:REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS |
| PCA9534A_101 | 制造商:TI 制造商全称:Texas Instruments 功能描述:REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS |
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