PCA9685PW,118 - Brand New NXP Semiconductors LED Drivers
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Description
The PCA9685PW,118 is a 16-channel LED driver that is optimized for RGBA color backlighting applications. It features individual PWM controllers for each LED output, with a resolution of 12 bits or 4096 steps. The frequency of the PWM controllers is adjustable from 40 Hz to 1000 Hz while the duty cycle is adjustable from 0% to 100%, enabling specific brightness values to be set. Additionally, the PCA9685 allows for staggered LED output on and off times to minimize current surges, and it has a programmable prescaler to adjust the PWM pulse widths of multiple devices. Its external clock input feature allows for synchronization of multiple devices. The PCA9685PW,118 LED driver is an improvement over the PCA9635 and is also suitable for use with external power supply controllers.
Specifications and features
- Product category: LED Drivers
- 16-channel LED controller
- Individual PWM controllers for each LED output
- 12-bit resolution (4096 steps)
- Adjustable PWM frequency from 40 Hz to 1000 Hz
- Adjustable duty cycle from 0% to 100%
- Staggered LED output on and off times to minimize current surges
- Programmable prescaler to adjust the PWM pulse widths of multiple devices
- External clock input feature allows synchronization of multiple devices
- Built-in oscillator for PWM control
- Low LEDn output pin default state on Power-On Reset (POR)
Application Scenarios
The PCA9685PW,118 LED driver is ideal for use in LCD RGBA color backlighting applications, but it can also be used in other situations that call for individual LED brightness control. Its external clock input feature makes it a good choice for systems that require synchronization of multiple devices.
Comparison
Advantages- Higher resolution and individual control for each LED output compared to the PCA9635
- Adjustable PWM frequency and duty cycle
- Staggered LED output on and off times to minimize current surges
- Programmable prescaler for multiple devices
- External clock input feature for synchronization of multiple devices
- Low LEDn output pin default state on Power-On Reset (POR)
Disadvantages- None identified
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Similar parts: 3884 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download PCA9685PW,118
- Chipdatas Part: CD90-PCA9685PW,118
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/25 15:16 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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