LED display driver ICs are commonly available in many types, and these driver ICs are designed according to different characteristics and uses to meet the diverse needs of LED displays.
The following are some common types of LED display driver ICs and their characteristics:
1. General purpose chip
Definition: Not specifically designed for LEDs, but some logic chips with some logical functions of LED displays.
Features: Strong versatility, can be applied to a variety of LED display scenarios, but may not be as good as dedicated chips in specific applications.
2. Dedicated chip
Definition: Designed according to the LED light-emitting characteristics, specifically used for driving LED displays.
Features:
Provides a constant current source to ensure stable driving of LEDs, eliminate LED flickering, and achieve high-quality picture display.
It has high integration and performance, and is suitable for occasions with high requirements for display effects and stability.
3. Specific model examples
Jingfeng Mingyuan BP1371: A step-down constant current driver chip for driving high-brightness LEDs, with an input voltage of 5V to 40V, a single LED maximum output current of up to 1.2A, and supports analog dimming and PWM dimming.
FZH FZH114C: adopts UART protocol single-line communication, and the peripheral components are simplified.
IS31FL3731: Compact LED driver, supports 144 matrix LED lamps, has optimized PCB space utilization and 256-level linear dimming function.
OCX OC5022B: LED constant current driver chip with built-in 60V withstand voltage MOS tube, supports PWM dimming and linear dimming, integrated over-temperature protection circuit, high efficiency.
OB3350: LED backlight driver chip, adopts current mode control, supports multiple protection functions.
CR Power PT4115: High-brightness LED driver chip, adopts switch buck mode drive, with a maximum output current of 1.2A.
SY58237: Adopts quasi-resonant flyback topology, built-in 650V NMOS, supports thermal foldback and reliable LED protection.
TI Texas Instruments DLPA3000D: A highly integrated power management IC optimized for DLP® Pico projection systems, supporting up to 6A output per LED.
Tianwei TM1643: A dedicated LED driver chip that supports 16*8-point LED driving, with a two-wire serial interface and duty cycle adjustment display brightness function.
4. Other types
In addition to the above specific models, there are many other types of LED display driver ICs, such as the MBI series, SM series, etc.
These driver ICs have their own characteristics in terms of function, performance and application scenarios, and can be selected according to specific needs.
Summary
There are many types of LED display driver ICs, including general-purpose chips and dedicated chips.
Dedicated chips are designed for LED light-emitting characteristics and usually have better performance and stability.
In terms of specific models, driver ICs of different brands and series have their own characteristics and are suitable for different LED display application scenarios.
When choosing, you should make a comprehensive consideration based on actual needs, performance indicators and cost factors.