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PCA9685BS

Name: PCA9685BS
Rating: 4.7 (12 reviews)

LED Display Drivers 16-ch LED Controller

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Mfr.부분 #PCA9685BS
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데이터시트 PCA9685BS DataSheet
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개요

Description

The PCA9685BS is a 16-channel, 12-bit pulse-width modulation (PWM) controller designed for applications such as LED control, servo management, and motor driving. It utilizes I2C (Inter-Integrated Circuit) communication, allowing multiple devices to be connected on the same bus, making it suitable for complex systems requiring multiple outputs. Each channel can produce PWM signals with a frequency of up to 1.6 kHz, enabling fine control over brightness and movement.
The PCA9685BS features a built-in oscillator, reducing the need for external components, and allows for a programmable frequency and duty cycle on each channel. It supports power-saving modes and can be daisy-chained, enabling control of many devices from a single microcontroller. This makes it popular in robotics, automation, and lighting applications where multiple channels are necessary. Overall, the PCA9685BS is valued for its versatility, ease of use, and efficiency in controlling various outputs.

Features

The PCA9685BS is a 16-channel, 12-bit PWM (Pulse Width Modulation) driver primarily used for controlling servos and LEDs. Key features include:
1. 16 Channels: It can control up to 16 motors or LEDs independently.
2. 12-Bit Resolution: Provides fine control over duty cycle with 4096 steps (0-100%).
3. I2C Interface: Communicates over I2C, allowing multiple devices to be connected with a simple 2-wire connection.
4. Adjustable Frequency: PWM frequency can be set from 24 Hz to 1526 Hz, suitable for various applications.
5. Multiple Devices: Up to 62 PCA9685 devices can be connected on the same I2C bus.
6. Built-in Oscillator: Eliminates the need for an external clock source.
7. Low Power Consumption: Designed for efficient power usage, making it suitable for battery-operated devices.
8. LED Driver Features: Supports LED dimming and brightness control.
These features make the PCA9685BS ideal for robotics, lighting, and other applications requiring precise control of multiple outputs.

Package

The PCA9685BS is available in a TSSOP (Thin Shrink Small Outline Package) with 28 pins. This package type provides a compact design suitable for various applications in controlling servos and LEDs.

Pinout

The PCA9685BS is a 16-channel, 12-bit PWM controller designed for controlling servos and LEDs. It features a total of 28 pins, which include:
1. VCC: Power supply (2.3V to 5.5V).
2. GND: Ground.
3. SCL: I2C clock line.
4. SDA: I2C data line.
5. OE: Output enable pin (active low).
6. RESET: Reset pin (active low).
7. XSHUT: Chip shutdown control for multiple devices.
8. PWM0 to PWM15: 16 PWM output channels.
9. ALLCALL: Address for receiving I2C commands from all devices.
10. SUBCALL: Address for receiving commands from a subgroup of devices.
11. P0 to P15: Corresponds to the PWM outputs for LEDs or servos.
The PCA9685 allows multiple devices to be connected via I2C, making it suitable for applications such as robotics and lighting control.

Manufacturer

The PCA9685BS is manufactured by NXP Semiconductors, a global semiconductor company. NXP specializes in developing microcontrollers, processors, and various integrated circuits for a range of applications, including automotive, industrial, and consumer electronics. The PCA9685 is a 16-channel, 12-bit PWM (Pulse Width Modulation) controller, commonly used in robotics, LED lighting, and motor control. NXP operates in the semiconductor industry, focusing on innovation and connectivity solutions, and is known for its robust product portfolio and commitment to advancing technologies such as IoT (Internet of Things) and automotive electronics.

Application

The PCA9685BS is a 16-channel, 12-bit PWM driver commonly used in various applications, including robotics for servo control, LED lighting for dimming and color mixing, and motor control for precise speed regulation. It is also utilized in animatronics, remote-controlled vehicles, and other applications requiring multiple channels of PWM output to manage servos and motors efficiently.

Equivalent

Equivalent products to the PCA9685BS chip include the PCA9685, PCA9555, and TLC5940. Other alternatives are the HT16K33 and the MAX7219, depending on specific application needs like PWM control or LED driving. Always check compatibility based on voltage levels, I2C addresses, and number of channels.