PCA9634PW

Hình ảnh chỉ để tham khảo

PCA9634PW

+BOM

LED Lighting Driver ICs 8BIT I2C FM+ TP LED CON RST OE

  • Nhà sản xuấtNXP bán dẫn

  • Ông. Phần #PCA9634PW

  • Bảng dữ liệu PCA9634PW DataSheet

  • Có sẵn3157

365 Đảm bảo chất lượng ngày

7*24 giờ dịch vụ quarantee

90-Bảo hành sau bán hàng ngày

Bảo hành sản phẩm chính xác

Thông số kỹ thuật

thuộc tính Giá trị
Packaging Tube
Standard Pack Qty 1875

Tổng quan

Description

The PCA9634PW is an I²C-bus controlled 8-bit LED driver optimized for RGB and RGBA color mixing applications. It features 8 individually controlled LED outputs with programmable brightness and blinking functionality, suitable for driving multiple LEDs in various intensity patterns.
Key features include an adjustable frequency from 31 Hz to 976 Hz and a wide supply voltage range from 2.3 V to 5.5 V, ensuring compatibility with most microcontrollers. The PCA9634PW supports a fast-mode I²C bus interface, with data rates up to 400 kbit/s, enabling efficient communication in complex systems.
Additionally, the device offers an active LOW hardware reset pin for easy initialization and a low standby current, ideal for battery-powered applications. It incorporates a built-in oscillator and a PWM register for each LED channel, providing precise control over LED brightness levels. The PCA9634PW is packaged in a compact TSSOP housing, making it suitable for space-constrained designs.
Overall, the PCA9634PW is a versatile solution for developers seeking to implement advanced LED control in consumer electronics, automotive, and industrial applications.

Equivalent

The PCA9634PW is an 8-bit I2C/SMBus LED driver from NXP. Equivalent products include:
1. TI's TCA9534, which offers similar I2C interfaces and GPIO functionality.
2. Microchip's MCP23008, an I2C-based I/O expander.
3. ON Semiconductor's CAT9532, a 16-bit I2C LED driver.
These alternatives may have slightly different features, so it's crucial to compare specifications to ensure compatibility with your application.

Features

The PCA9634PW is an I2C-bus controlled 8-bit LED driver optimized for red/green/blue/amber (RGBA) color backlighting applications. Key features include:
1. Output Channels: 8 LED driver outputs, each with a programmable constant current sink.
2. PWM Control: 8-bit resolution for individual brightness control using Pulse Width Modulation (PWM).
3. I2C Interface: Supports standard (100 kHz), fast (400 kHz), and fast-mode plus (1 MHz) I2C bus frequencies.
4. Output Current: Each channel can be individually programmed for 25 mA maximum current.
5. Supply Voltage: Operates with a supply voltage range from 2.3 V to 5.5 V.
6. Low Standby Current: Minimizes power consumption when not actively driving LEDs.
7. External Reset: Features an external reset pin for initialization.
8. Addressing: Supports multiple device addresses, allowing for up to 126 devices on the same bus.
9. Various Modes: Includes normal, all-call, and software reset I2C bus address modes.
10. Protection Features: Integrated thermal shutdown to protect against overheating.
These features make the PCA9634PW suitable for a wide range of lighting and indication applications in electronic devices.

Pinout

The PCA9634PW is an I²C-bus controlled 8-bit LED driver optimized for Red/Green/Blue/Amber (RGBA) color mixing applications. It comes in a TSSOP-16 package. Here is a concise breakdown of its pin count and functions:
- Pin Count: 16 pins
- Functions:
- VDD (Pin 16): Supply voltage.
- VSS (Pin 8): Ground.
- SDA (Pin 15): Serial data for I²C-bus.
- SCL (Pin 14): Serial clock for I²C-bus.
- LED Outputs (Pin 1-7, 9-13): 8 programmable LED outputs (LED0 to LED7) for controlling individual LEDs.
- OE (Pin 9): Output enable; active low, controls the LED drivers.
- A0, A1, A2 (Pin 4, 3, 2): Address selection pins for I²C addressing.
The PCA9634PW is utilized for driving LEDs with PWM control, offering adjustable brightness and color mixing capabilities. Its I²C-bus interface ensures easy integration into systems.

Manufacturer

The PCA9634PW is manufactured by NXP Semiconductors. NXP Semiconductors is a global semiconductor company that specializes in providing solutions for a wide range of industries, including automotive, industrial, mobile, and communications infrastructure. The company is known for its expertise in producing integrated circuits, microcontrollers, and other semiconductor components that are essential for various electronic devices and systems. NXP focuses on developing technologies that enhance connectivity, security, and energy efficiency in the products and services it supports.

Application

The PCA9634PW is a 8-bit I2C-bus controlled LED driver optimized for red/green/blue/amber (RGBA) color mixing and backlight applications. It is often used in LED status indicators for consumer electronics, backlighting for displays, signage, and decorative lighting. The device is suitable for any system that requires multiple independent PWM-controlled outputs, such as industrial controls, instrumentation, and automotive lighting. Its ability to operate with adjustable frequency and duty cycle makes it ideal for precise lighting control in various applications, enhancing visual effects and illumination quality.

Package

The PCA9634PW is an LED driver IC from NXP, and it comes in a TSSOP (Thin Shrink Small Outline Package) type with 24 pins.

Sản phẩm liên quan đến PCA9634PW