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Name: PCA9685PW/Q900,118
Brand: NXP USA Inc.
SKU: PCA9685PW/Q900,118
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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NXP USA Inc. PCA9685PW/Q900,118

Part No.:: PCA9685PW/Q900,118

Manufacturer:: NXP USA Inc.

Package:: 28-TSSOP (0.173, 4.40mm Width)

Datasheet:: PCA9685PW/Q900,118.pdf

Description:: IC LED DRVR LIN PWM 25MA 28TSSOP

In Stock:: 2534

Quantity:: Add To Cart

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PCA9685PW/Q900,118 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
Linear
Topology:
-
InternalSwitch(s):
Yes
NumberofOutputs:
16
Voltage-Supply(Min):
2.3V
Voltage-Supply(Max):
5.5V
Voltage-Output:
5.5V
Current-Output/Channel:
25mA
Frequency:
-
Dimming:
PWM
Applications:
Backlight
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

PCA9685PW/Q900,118 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9685PW/Q900,118 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PCA9685PW/Q900,118 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PCA9685PW/Q900,118 information

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PCA9685PW/Q900,118 Typical application Circuitry

PCA9685PW Q900,118

The PCA9685PW/Q900,118 is a 16-channel, 12-bit PWM (Pulse Width Modulation) I²C-bus LED controller, widely used in LED dimming and motor control applications. Its primary function is to provide a high level of control over the output on each channel, making it particularly suitable for applications that require precise light intensity or motor speed control.

PCA9685PW/Q900,118 Key Features and Parameters:

1. 16 PWM Output Channels: It can control up to 16 separate channels, ideal for complex control scenarios.

2. 12-bit Resolution: Offers 12-bit resolution for each output, allowing fine control over connected devices.

3. I²C Interface: Equipped with an I²C interface, making it compatible with most microcontrollers.

4. External Oscillator Support: Supports an external oscillator for PWM timing, enhancing precision.

5. Programmable Frequency: Allows setting the PWM frequency up to approximately 1.6 kHz.

Application Scenario: Multichannel LED Lighting System

In a multichannel LED lighting system, the PCA9685PW/Q900,118 can be used to individually control the brightness of different LED groups, creating dynamic lighting effects.

PCA9685PW/Q900,118 Circuit Connection and Design Considerations:

Circuit Connection:

1. Power Supply Connection:

- VCC (pin 28) should be connected to a suitable power source (e.g., 5V).

2. LED Channel Integration:

- Connect each LED group to one of the PWM output channels (OUT0 to OUT15, pins 1-16).

3. I²C Communication Link:

- SDA (pin 27) and SCL (pin 26) for connection to the microcontroller's I²C bus.

4. External Oscillator (Optional):

- Connect an external oscillator to the EXTCLK (pin 23) for improved PWM timing.

5. Ground Connection:

- GND (pins 9, 18, 19) must be connected to the system ground.

Design Considerations:

1. LED Specification Matching: Ensure that the LEDs are within the driver's output specifications.

2. I²C Bus Management: Efficiently manage the I²C bus for stable communication and proper device addressing.

3. PWM Frequency Setting: Choose an appropriate PWM frequency based on the desired lighting effect.

4. Power Supply Adequacy: Confirm the power supply can handle the load of all connected LEDs.

5. Thermal Management in Dense Arrays: Address heat dissipation in systems with many LEDs.

6. Electromagnetic Interference (EMI): Implement measures to minimize EMI, especially in environments with sensitive electronics.

Implementing the PCA9685PW/Q900,118 in a multichannel LED lighting system showcases its ability to provide intricate and dynamic lighting control, demonstrating its utility in complex LED arrangements and other PWM-reliant applications.

PCA9685PW/Q900,118 FAQ

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3. Are the PCA9685PW/Q900,118 price and inventory displayed accurate?

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6. What is the process for return or replacement of PCA9685PW/Q900,118?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PCA9685PW/Q900,118 we delivered, we will accept the replacement or return of the PCA9685PW/Q900,118 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PCA9685PW/Q900,118.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations