SM® LED Display PWM Driver Chips

Name: SM® LED Display PWM Driver Chips
Brand: SM
SKU: SM-IC
Availability: InStock

SKU: SM-IC

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$0.20

Product Model

Inventory Location

CHINA

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16-channel constant current output
SM_PWM patented technology: 16-bit grayscale control
Built-in 64-level current gain adjustment
Built-in SRAM, supports 216 scan
Row scan doubling technology, improving refresh rate
Built-in open circuit detection function, eliminating open circuit “cross”
Built-in low inflection point energy-saving function, meeting 4.2V voltage application
Built-in column down ghosting function
Operating voltage: 3.3V~5.0V
Output constant current range:232mA@VDD=5.0V, 216mA@VDD=3.3V
Constant current accuracy: within <±2.5% for on-chip and <±3.0% for inter-chip
Package form: QSOP24

SM_PWM patented technology: 16-bit grayscale control
Built-in 64 levels current gain adjustment function
Built-in SRAM, supports 1~64 scan
Sweep frequency multiplication technology, refresh rate increased by 2/4/8/16 times
Built-in dynamic energy saving function
Built-in open circuit detection function, eliminating the open “cross”
Built-in shadow-elimination function
Eliminate abnormal phenomena such as color cast, low gray pitting, and dark first scan
Operating voltage:3.3V~5.0V
Constant output current range:0.6~20mA@VDD=5.0V；0.6~15mA@VDD=3.3V
Constant current deviation:Between channels: <±2.0%, between chip: <±2.0%
Package: QSOP24

SM_PWM patented technology: 16-bit grayscale control
Built-in 64 levels current gain adjustment function
Built-in SRAM, supports 1~64 scan
Sweep frequency multiplication technology, refresh rate increased by 2/4/8/16 times
Built-in dynamic energy saving function, significantly reducing power consumption
Built-in open circuit detection function, eliminating the open “cross”
Built-in ghosting removal function to solve the problem of smear and text ghosting
Eliminate abnormal phenomena such as color cast, low gray pitting, and dark first scan
Strong anti-interference ability
Operating voltage:3.3V~5.5V
Constant output current range:0.6~20mA@VDD=5.0V
Constant current deviation: Between channels: <±2.0%, between chip: <±2.0%
Package: QSOP24, QNF24(4*4)

SM_PWM patented technology: 16-bit grayscale control
Built-in grayscale clock, improve refresh rate and grayscale level and reduce EMI
Built-in 64 levels current gain adjustment function
Built-in SRAM, supports 1~64 scan
Built-in dynamic energy saving function
Built-in open circuit detection function, eliminating the open “cross”
Built-in shadow-elimination function
Eliminate abnormal phenomena such as color cast, low gray hemp, first sweep dark, high contrast coupling
Operating voltage:3.3V~5.0V
Constant output current range:0.6~16mA@VDD=5.0V；0.6~12mA@VDD=3.3V
Constant current deviation: Between channels: <±2.0%, between ICs: <±2.0%

SM_PWM patented technology: 16-bit grayscale control
16-channel constant current output
Constant current output range: 0.6~20Ma
Built-in SRAM, supports the application of 1~64 scan
Built-in 64 levels current gain adjustment function, Brightness adjustment without loss of grayscale
Built-in shadow-elimination function to eliminate the column ghosting and text ghosting
Built-in LED open circuit detection function to solve the “cross” problem of open circuit
Built-in LED open and short circuit information return function
Built-in intelligent energy saving function
Eliminate abnormal phenomena such as color cast, pitting, high-contrast coupling, cross-board coupling, etc.
Constant current deviation: On chip: <±1.6%, chip to chip: <±1.6%
Package: QSOP24, QFN24(4*4)

SM_PWM patented technology: 16-bit grayscale control
16-channel constant current output
Common cathode solution application, realize R/G/B independent power supply
Constant current output range: 0.6~16mA
Built-in SRAM, supports the application of 1~64 scan
Built-in 64 levels current gain adjustment function, Brightness adjustment without loss of grayscale
Built-in shadow-elimination function to eliminate the column ghosting and text ghosting
Built-in LED open circuit detection function to solve the “cross” problem of open circuit
Built-in LED open and short circuit information return function
Built-in intelligent energy saving function
Eliminate abnormal phenomena such as color cast, pitting, high-contrast coupling, cross-board coupling, etc.
Constant current deviation: On chip: <±1.6%, chip to chip: <±1.6%
Package: QSOP24, QFN24(4*4)

SM_PWM patented technology: 20-bit grayscale
Common cathode structure, OUT R and G/B are independently powered to reduce power consumption
Built-in 16-channel SRAM to support 1~64 multiplexing
16 scan line switches with 250mΩ internal resistance
48-channel constant current output
Built-in grayscale clock, high refresh rate and grayscale level, low EMI impact
External Rext resistor sets the maximum constant current value of OUT R/G/B
8bit current gain of each OUT R/G/B to adjust constant current value
Constant current output range:0.2~10mA@VDD=3.8V, VDDR=2.8V
Built-in LED open circuit detection to eliminate open circuit “cross”
Information return of LED open and short circuit
Built-in black screen energy saving and intelligent energy saving functions
Hardware parameter self-adaptation: reduce the influence of LED screen hardware parameter differences on the display effect
Eliminate abnormal phenomena such as color cast, low gray pitting, dark of first scan, high and low gray contrast coupling
Constant current accuracy: Between channels: <±1.5%
Between ICs: <±1.5%