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参数资料
| 型号： | CAT9552HV6I-GT2 |
| 厂商： | ON Semiconductor |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER LINEAR 24-TQFN |
| 标准包装： | 2,000 |
| 拓扑： | PWM |
| 输出数： | 16 |
| 内部驱动器： | 是 |
| 类型 - 主要： | LED 闪烁器 |
| 频率： | 400Hz |
| 电源电压： | 2.3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN（4x4） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
CAT9552
External Reset Operation
The CAT9552 registers and the I 2 C state machine are
initialized to their default state when the RESET input is
held low for a minimum of t W . CAT9552’s registers will be
held in their default state until RESET returns to a logic
HIGH state. The external Reset timing is shown in
Figure 12.
Power ? On Reset Operation
The CAT9552 incorporates Power ? On Reset (POR)
circuitry which protects the internal logic against powering
up in the wrong state. The device is in a reset state for V CC
less than the internal POR threshold level (V POR ). When
V CC exceeds the V POR level, the reset state is released and
the CAT9552 internal state machine and registers are
initialized to their default state. Thereafter V CC must be
taken below 0.2 V to reset the device.
Slave Address
Data From Port
Data From Port
SDA
S
1
1
0
0 A2 A1 A0
A
DATA 1
A
DATA 4
NA P
READ FROM
PORT
Start Condition
R/W
Acknowledge
From Slave
Acknowledge
From Master
No Acknowledge
From Master
Stop
Condition
DATA INTO
PORT
DATA 1
DATA 2
DATA 3
DATA 4
t ph
t ps
Figure 11. Read Input Port Register Timing Diagram
SCL
START
ACK OR READ CYCLE
SDA
30%
t RESET
RESET
50%
t REC
50%
t W
50%
t RESET
LEDx
Figure 12. RESET Timing Diagram
http://onsemi.com
10
50% LED OFF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT9552HV6I-TG2 | 功能描述:IC LED DRIVER LINEAR 24-TQFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:1 系列:- 恒定电流:- 恒定电压:- 拓扑:PWM，切换式电容器（充电泵） 输出数:1 内部驱动器:是 类型 - 主要:背光 类型 - 次要:白色 LED 频率:642kHz 电源电压:2.7 V ~ 5.5 V 输出电压:5V 安装类型:表面贴装 封装/外壳:10-VFDFN 裸露焊盘 供应商设备封装:10-VSON 包装:剪切带 (CT) 工作温度:-30°C ~ 85°C 产品目录页面:1371 (CN2011-ZH PDF) 其它名称:BD1603NUV-E2CT |
| CAT9552WI-T1 | 功能描述:LED照明驱动器 16Ch I2C-Bus LED Drvr RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| CAT9552YI | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT9552YI-T2 | 功能描述:LED照明驱动器 16Ch I2C-Bus LED Drvr RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| CAT9554AHV4I | 功能描述:接口-I/O扩展器 8-Bit Parallel IO RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
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