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IS31FL3237-QFLS4-TR

Name: IS31FL3237-QFLS4-TR
Rating: 4.7 (12 reviews)

IC LED DRVR LIN PWM 38MA 44QFN

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Mfr。パート #IS31FL3237-QFLS4-TR
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仕様

Part Status	Active
Base Product Number	IS31FL3237
Type	Linear
Internal Switch(s)	No
Number of Outputs	36
Voltage - Supply (Min)	2.7V
Voltage - Supply (Max)	5.5V
Current - Output / Channel	38mA
Frequency	31.5kHz
Dimming	PWM
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package	44-PowerWFQFN
Supplier Device Package	44-QFN (5x5)
Packaging	Cut Tape (CT), Tape & Reel (TR)

概要

Description

The IS31FL3237-QFLS4-TR is a high-performance, low-power LED driver designed for a variety of display applications. It can control multiple LEDs with precise brightness levels and offers features like PWM dimming, allowing for smooth brightness transitions. The device supports multiple output configurations and is suitable for use in smartphones, tablets, and other portable devices.
It operates with a wide input voltage range and includes built-in thermal protection, ensuring reliable performance under various conditions. The driver can be interfaced easily with microcontrollers and supports both digital and analog control signals. Its compact package design (QFN-32) facilitates integration into space-constrained designs. Overall, the IS31FL3237-QFLS4-TR is an efficient solution for driving LED backlighting and indicators in modern electronics, providing excellent control over LED performance while minimizing power consumption.

Features

The IS31FL3237-QFLS4-TR is a 16-channel, low-power LED driver designed for various lighting applications, including displays and decorative lighting. Key features include:
1. 16 Channels: Independent control of 16 LED channels for versatile lighting design.
2. Integrated PWM Control: Supports adjustable brightness through pulse width modulation (PWM), allowing for smooth dimming.
3. I2C Interface: Communication via I2C, enabling easy integration with microcontrollers and other digital devices.
4. Low Power Consumption: Optimized for efficiency, making it suitable for battery-powered applications.
5. High Voltage Capability: Can support LED strings with high forward voltage, accommodating various LED types.
6. Thermal Protection: Includes built-in thermal shutdown to prevent overheating.
7. Configurable Output: Each channel can be configured for different modes, including constant current and constant voltage outputs.
These features make the IS31FL3237-QFLS4-TR ideal for dynamic LED lighting solutions.

Package

The IS31FL3237-QFLS4-TR is packaged in a 16-pin TQFN (Thin Quad Flat No-lead) format, which provides a compact design suitable for space-constrained applications.

Pinout

The IS31FL3237-QFLS4-TR is a 16-pin LED driver integrated circuit. It is designed for controlling LED displays and features a serial interface for communication.
Pin Count: 16 pins
Key Functions:
1. Power Supply (VDD, GND): Provides power to the IC.
2. Data Input (DIN): Serial data input for LED control.
3. Clock Input (CLK): Synchronizes the data transmission.
4. Latch Input (LAT): Latches the data to the output drivers.
5. Output Pins (OUT0-OUT7): Drive the LEDs, controlling their brightness and on/off states.
6. Enable (EN): Activates or deactivates the device.
7. Mode Selection (MODE): Configures the driving mode for the LEDs.
This IC is commonly used in applications such as LED displays, backlighting, and decorative lighting. For detailed specifications and functionalities, refer to the datasheet.

Manufacturer

The IS31FL3237-QFLS4-TR is manufactured by Integrated Silicon Solution, Inc. (ISSI). ISSI is a semiconductor company that specializes in the design, development, and manufacturing of memory and analog ICs (integrated circuits). Their product offerings include a variety of memory products such as static random-access memory (SRAM), dynamic random-access memory (DRAM), and flash memory, as well as analog and mixed-signal ICs for various applications in consumer electronics, automotive, industrial, and communication markets. Founded in 1988, ISSI is known for its innovative solutions in the semiconductor industry, focusing on high-performance and cost-effective products.

Application

The IS31FL3237-QFLS4-TR is an LED driver integrated circuit used primarily in display backlighting, decorative lighting, and general illumination applications. It supports various lighting effects and dimming capabilities, making it suitable for consumer electronics, automotive lighting, and smart home devices. Its ability to control multiple LEDs enhances its versatility in creating dynamic lighting solutions.

Equivalent

The IS31FL3237-QFLS4-TR chip is a part of a family of LED drivers. Equivalent products include the Texas Instruments TLC5957, the Maxim Integrated MAX6969, and the ON Semiconductor NCP81239. Always check the specific datasheets for voltage, current, and functionality compatibility to ensure proper substitution.