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IS31FL3218-QFLS2-TR
+Lista de MateriaisIC LED DRVR LIN I2C 38MA 24QFN
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FabricanteMicrossistemas Lumíssiis
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Peça do Fabricante #IS31FL3218-QFLS2-TR
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Type | Linear |
| Internal Switch(s) | Yes |
| Number of Outputs | 18 |
| Voltage - Supply (Min) | 2.7V |
| Voltage - Supply (Max) | 5.5V |
| Current - Output / Channel | 38mA |
| Dimming | I2C |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-QFN (4x4) |
| Base Product Number | IS31FL3218 |
Visão Geral
Description
The IS31FL3218-QFLS2-TR is a versatile LED driver from Lumissil Microsystems, part of the ISSI family. It is designed to manage up to 18 independent LED channels, making it ideal for applications requiring precision lighting control, such as decorative, automotive, or display backlighting. The device features a highly efficient design, reducing power consumption while maintaining optimal performance.
Each channel of the IS31FL3218 can be programmed with 256 levels of brightness, allowing for intricate color mixing and smooth dimming transitions. It utilizes a 1 MHz I²C compatible interface for easy integration with microcontrollers, enabling straightforward control and configuration.
The driver operates with a supply voltage range from 2.7V to 5.5V, which suits a wide variety of operating environments. Its compact QFN package facilitates space-saving designs, making it suitable for compact or densely packed circuit boards. Additionally, built-in protection features, such as short-circuit and over-temperature protection, ensure reliable operation in various conditions. Overall, the IS31FL3218-QFLS2-TR offers an efficient, flexible, and robust solution for LED driving needs.
Each channel of the IS31FL3218 can be programmed with 256 levels of brightness, allowing for intricate color mixing and smooth dimming transitions. It utilizes a 1 MHz I²C compatible interface for easy integration with microcontrollers, enabling straightforward control and configuration.
The driver operates with a supply voltage range from 2.7V to 5.5V, which suits a wide variety of operating environments. Its compact QFN package facilitates space-saving designs, making it suitable for compact or densely packed circuit boards. Additionally, built-in protection features, such as short-circuit and over-temperature protection, ensure reliable operation in various conditions. Overall, the IS31FL3218-QFLS2-TR offers an efficient, flexible, and robust solution for LED driving needs.
Equivalent
Equivalent products to the IS31FL3218-QFLS2-TR, an LED driver IC, include:
1. Texas Instruments LP55231 - A 9-channel LED driver with similar features.
2. ON Semiconductor CAT9532 - A 16-channel LED driver with PWM brightness control.
3. Microchip Technology MCP23017 - A 16-bit I/O expander often used for similar applications.
4. STMicroelectronics STP16CPC26 - A 16-channel LED driver with constant current sink.
These alternatives may vary in specific features and pin configurations, so reviewing datasheets for compatibility is recommended.
1. Texas Instruments LP55231 - A 9-channel LED driver with similar features.
2. ON Semiconductor CAT9532 - A 16-channel LED driver with PWM brightness control.
3. Microchip Technology MCP23017 - A 16-bit I/O expander often used for similar applications.
4. STMicroelectronics STP16CPC26 - A 16-channel LED driver with constant current sink.
These alternatives may vary in specific features and pin configurations, so reviewing datasheets for compatibility is recommended.
Features
The IS31FL3218-QFLS2-TR is an 18-channel LED driver designed for low-power LED applications. Each channel can be individually controlled with 256 steps of PWM brightness control, allowing for intricate lighting effects. It supports a supply voltage range of 2.7V to 5.5V, making it suitable for battery-operated devices. The device uses I²C interface for communication and features a low shutdown current, enhancing power efficiency. Additionally, it provides an automatic LED open/short detection to ensure reliable operation. The IS31FL3218-QFLS2-TR is encapsulated in a compact QFN-24 package, making it ideal for space-constrained applications like wearables, portable electronics, and handheld devices.
Pinout
The IS31FL3218-QFLS2-TR is an LED driver IC featuring 18 output channels. It comes in a QFN-24 package, meaning it has 24 pins. This device is designed to drive and control LEDs with high efficiency and flexibility.
Key functions include:
1. 18 Output Channels: Each channel can be individually controlled and programmed for LED brightness, allowing for complex lighting effects.
2. I2C Interface: It supports I2C for communication, enabling easy integration with microcontrollers and other digital devices.
3. PWM Control: Capable of pulse-width modulation, offering smooth dimming and brightness control.
4. Current Control: Each channel can drive up to 20mA, with current levels programmable for each LED.
5. Low Power Consumption: Designed to be energy-efficient, making it suitable for battery-powered applications.
This IC is typically used in applications such as RGB backlighting, display panels, and other decorative or functional LED arrays.
Key functions include:
1. 18 Output Channels: Each channel can be individually controlled and programmed for LED brightness, allowing for complex lighting effects.
2. I2C Interface: It supports I2C for communication, enabling easy integration with microcontrollers and other digital devices.
3. PWM Control: Capable of pulse-width modulation, offering smooth dimming and brightness control.
4. Current Control: Each channel can drive up to 20mA, with current levels programmable for each LED.
5. Low Power Consumption: Designed to be energy-efficient, making it suitable for battery-powered applications.
This IC is typically used in applications such as RGB backlighting, display panels, and other decorative or functional LED arrays.
Manufacturer
The IS31FL3218-QFLS2-TR is manufactured by Lumissil Microsystems, which is a division of Integrated Silicon Solution Inc. (ISSI). Lumissil Microsystems specializes in mixed-signal and analog integrated circuits, focusing on LED drivers, audio amplifiers, sensor interface circuits, and other advanced solutions for diverse applications. As a semiconductor company, it serves various industries, including automotive, consumer electronics, industrial, and communications, providing innovative solutions to meet the needs of its customers.
Application
The IS31FL3218-QFLS2-TR is an 18-channel constant current LED driver, primarily used in applications requiring efficient and precise LED control. Key application areas include:
1. Consumer Electronics: Used in devices like smartphones, tablets, and wearable technology for LED backlighting, notifications, and aesthetic lighting.
2. Automotive Lighting: Supports interior ambient lighting and dashboard indication.
3. Industrial and Commercial Lighting: Facilitates decorative lighting in displays and digital signage.
4. Smart Home Devices: Powers illumination in smart appliances and IoT devices.
5. Entertainment and Gaming: Enhances visual effects in gaming peripherals and consoles.
Its ability to independently control multiple LEDs makes it ideal for dynamic and complex lighting designs.
1. Consumer Electronics: Used in devices like smartphones, tablets, and wearable technology for LED backlighting, notifications, and aesthetic lighting.
2. Automotive Lighting: Supports interior ambient lighting and dashboard indication.
3. Industrial and Commercial Lighting: Facilitates decorative lighting in displays and digital signage.
4. Smart Home Devices: Powers illumination in smart appliances and IoT devices.
5. Entertainment and Gaming: Enhances visual effects in gaming peripherals and consoles.
Its ability to independently control multiple LEDs makes it ideal for dynamic and complex lighting designs.
Package
The IS31FL3218-QFLS2-TR is an LED driver IC from ISSI, featuring a compact 4mm x 4mm QFN package with 20 pins. It is designed for driving 18 LEDs with individual current control, suitable for applications requiring efficient LED management in space-constrained designs.
