PCA9685PW/Q900,118
PWM controlled LED driver
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製造商零件號 # : PCA9685PW/Q900,118
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包裝/封裝: TSSOP-28
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零件狀態 : ACTIVE
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製造商: Freescale Semiconductor
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產品分類 : LED Drivers
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RoHS:
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PCA9685PW/Q900,118 數據表
價格 (USD)
數量 | 單價 | 總價 |
---|---|---|
1 | $2.174 | $2.17 |
10 | $1.889 | $18.89 |
30 | $1.710 | $51.30 |
100 | $1.387 | $138.70 |
這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。
詳細說明
The PCA9685PW/Q900,118 is a 16-channel pulse width modulation (PWM) controller with an I2C interface. It is designed to control LED lighting and motor drivers in various applications such as robotics, displays, and automotive lighting.Some key details of the PCA9685PW/Q900,118 include:1. Operating voltage range of 2.3V to 5.5V2. Output frequency range of 40Hz to 1000Hz3. Individual LED brightness control for each channel4. PWM resolution of 12 bits for smooth and precise dimming control5. Internal oscillator with external clock option for synchronization6. Built-in power-on reset and thermal shutdown protection7. Low standby current consumption of only 1μA8. Available in a 28-pin TSSOP package for easy integration into various PCB designs.
主要特徵
- Economical design for cost-effective applications
- Faster development time with simplified I2C interface
- Accurate motor control with high-resolution PWM
- Robust power management through output enable pin
- Multichannel capability with up to 16 channels supported
- Adjustable PWM frequency up to 1kHz for precise control
應用
- Perfect for LED control
- Great for industrial use
- Ideal for servo motors
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
isSample | true | sampleItemType | ITEM_TYPE_SAMPLE |
leadTime | 19 | exclusiveItemType | ITEM_TYPE_SAMPLE |
minPackQty | 2500 | isExSample | true |
salesNum | PCA9685PW/Q900,118 | pack_type | REEL |
pack_desc | Reel 13" Q1/T1 | status | Active |
常見問題解答
What is PCA9685PW/Q900,118?
The PCA9685PW/Q900,118 is a 16-channel, 12-bit pulse-width modulation (PWM) controller designed by NXP Semiconductors. It is commonly used for driving LEDs and servo motors in various applications, including robotics, lighting controls, and motor control.
How Does PCA9685PW/Q900,118 Work?
The PCA9685PW/Q900,118 works by generating pulse-width modulated signals on its 16 output channels. Each channel can be individually controlled to produce varying duty cycles, allowing precise control of connected LEDs or servo motors. The controller communicates with a microcontroller or host system through an I2C interface, enabling easy integration into digital systems.
How Many Pins does PCA9685PW/Q900,118 have and What are the Functions of the Pinout Configuration?
The PCA9685PW/Q900,118 is housed in a 28-lead TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- V+: Positive power supply pin.
- V-: Ground pin.
- VCC: Logic power supply pin.
- SCL, SDA: I2C bus communication pins.
- OE: Output enable pin.
- MODE1, MODE2: Mode control pins.
- LEDn: Output channels for driving LEDs or motors.
- EXTCLK: External clock input.
What are the Pros and Cons of PCA9685PW/Q900,118?
Pros:
- Multiple Channels: Offers 16 channels for individual PWM control.
- High Resolution: Provides 12-bit resolution for smooth dimming and control.
- I2C Interface: Easy integration with microcontrollers and digital systems.
- Output Enable Function: Allows for synchronized output control.
- Internal Oscillator: Eliminates the need for an external clock source.
Cons:
- Complexity: Requires understanding of PWM principles for optimal use.
- Additional Components: May need external components for specific applications, such as power drivers.
- Potential Heat Dissipation: Higher power dissipation if driving multiple high-power LEDs or motors simultaneously.
Are There Any Equivalents/Alternatives to PCA9685PW/Q900,118 for Recommendation?
- The TLC5940 from Texas Instruments is a similar 16-channel PWM controller with grayscale control capabilities.
- Alternatives to the PCA9685PW/Q900,118 include the AS1119 from AMS and the STP16DP05 from STMicroelectronics.
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