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PCA9532中文资料
PCA9532数据手册规格书PDF详情
General description
The PCA9532 is a 16-bit I2 C-bus and SMBus I/O expander optimized for dimming LEDs in
256 discrete steps for Red/Green/Blue (RGB) color mixing and back light applications.
The PCA9532 contains an internal oscillator with two user programmable blink rates and duty cycles coupled to the output PWM. The LED brightness is controlled by setting the blink rate high enough (> 100 Hz) that the blinking cannot be seen and then using the duty cycle to vary the amount of time the LED is on and thus the average current through the LED.
Features
16 LED drivers (on, off, flashing at a programmable rate)
Two selectable, fully programmable blink rates (frequency and duty cycle) between 0.591 Hz and 152 Hz (1.69 second and 6.58 milliseconds)
256 brightness steps
Input/outputs not used as LED drivers can be used as regular GPIOs
Internal oscillator requires no external components
I2C-bus interface logic compatible with SMBus
Internal power-on reset
Noise filter on SCL/SDA inputs
Active LOW reset input
16 open-drain outputs directly drive LEDs to 25 mA
Controlled edge rates to minimize ground bounce
No glitch on power-up
Supports hot insertion
Low standby current
Operating power supply voltage range of 2.3 V to 5.5 V
0 Hz to 400 kHz clock frequency
ESD protection exceeds 2000 V HBM per JESD22-A114, 150 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
Packages offered: SO24, TSSOP24, HVQFN24
PCA9532产品属性
- 类型
描述
- 型号
PCA9532
- 功能描述
LED照明驱动器 I2C LED DIMMER 16BIT
- RoHS
否
- 制造商
STMicroelectronics
- 输入电压
11.5 V to 23 V
- 最大电源电流
1.7 mA
- 安装风格
SMD/SMT
- 封装/箱体
SO-16N
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
恩XP |
21+ |
24-HVQFN |
50000 |
全新原装 鄙视假货 |
|||
恩XP |
25+ |
SMD |
518000 |
明嘉莱只做原装正品现货 |
|||
恩XP |
24+ |
标准封装 |
10548 |
全新原装正品/价格优惠/质量保障 |
|||
恩XP |
25+ |
QFN |
32360 |
NXP/恩智浦全新特价PCA9532BS即刻询购立享优惠#长期有货 |
|||
恩XP |
2024+ |
N/A |
70000 |
柒号只做原装 现货价秒杀全网 |
|||
恩XP |
25+ |
SOP24 |
6500 |
十七年专营原装现货一手货源,样品免费送 |
|||
恩XP |
24+ |
TSSOP24 |
2500 |
进口原装现货/假一赔十 |
|||
恩XP |
24+ |
SOP24 |
3963 |
原装原厂代理 可免费送样品 |
|||
恩XP |
25+ |
10000 |
|||||
恩XP |
2526+ |
24-VFQFN |
11 |
全新、原装 |
PCA9532PW,118 价格
参考价格:¥6.7977
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Datasheet数据表PDF页码索引
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