Kinetic Technologies Announces KTZ8868 New 80-LED Backlight Driver and LCD Bias Power for up to 12” Display Panels
KTZ8868 80-LED Backlight Driver: Delivers big performance in a tiny package by integrating an 8-Channel 40V Backlight with LCD Bias in a protection-rich solution
San Jose, Calif. – January 9, 2024 – Power management and video/audio interface leader, Kinetic Technologies, is expanding its display power solutions portfolio with the introduction of KTZ8868. This device is a highly efficient 8-channel LED backlight driver with current sinks, up to a 40V boost voltage, while its 250mA bias output current can drive high resolution and high refresh-rated LCDs.
The high switching frequency of the KTZ8868 allows the use of a smaller inductor and capacitor, resulting in a simpler and smaller solution with fewer external components. The input operating range is from 2.7V to 5.5V, accommodating 1-cell lithium-ion batteries or a 5V supply.
Vice President of Marketing at Kinetic Technologies, Jeff Gray, stated, “With design engineers looking for ways to reduce footprint space for their next-generation tablets, POS terminals, and other mid-sized displays, our leading-edge KTZ8868 driver provides a worry-free solution that integrates what is used to be three ICs into one small chip. This device is like no other on the market, powering 80 LEDs with its protection-rich, robust features wrapped in a tiny package.”
These built-in protection features of the KTZ8868 include inductor current limit protection, output short circuit protection, output over-voltage protection, LED fault (open or short) protection, and thermal shutdown protection.
The very small KTZ8868 is available in a RoHS and green compliant WQFN55-32L (5mm x 5mm, 32 Lead) package that integrates an 8-channel backlight driver and 250mA LCD bias into one chip.
Product Features Include:
Wide input range: 2.7V to 5.5V
High-efficiency step-up LED driver with 8-Ch current sinks, up to 40V boost voltage
Up to 30mA/Ch in backlight mode
±0.7% current matching at 20mA
±2.2% current accuracy at 20mA
I2C/PWM dual dimming control scheme
100Hz to 100kHz frequency range
0.2% to 100% duty cycle at 20kHz
High-resolution I2C 11-bit linear or exponential dimming
Wide-range PWM dimming
Programmable current sink turn on/off ramp time/shape and transition ramp up/down time
1.0MHz typical boost switching frequency
Programmable input PWM hysteresis to minimize jitter at low PWM duty cycle
Programmable OVP and current limitation
LED open/short protection
Wide input range: 2.7V to 5.5V
Programmable dual output Bias regulator using a single inductor
Programmable ramp time for OUTP and OUTN
Charge pump PFM mode at light load
LCD Bias efficiency: up to 85%
Wide dual output voltage range ±4.0V to ±6.3V (50mV/step) & output current up to 250mA at VIN ≥ 2.9V
Active output discharge function
Current limitations and short protection
Other Features
System level input UVLO
Thermal shutdown protection
Low shutdown current <1μA
Flexible I2C interface
Pb-free package: WQFN55-32L (5mm x 5mm, 32 Lead)
RoHS and green-compliant
-40℃ to +85℃ temperature range
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本文由上山打老虎转载自Kinetic Technologies News，原文标题为:Kinetic Technologies Announces New 80-LED Backlight Driver and LCD Bias Power for up to 12” Display Panels，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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可定制LAMP LED、 CHIP LED、 PLCC LED、 汽车用车规级LED、COB LED的尺寸/电压/电流等参数，电压1.5-37V，电流5-150mA，波长470-940nm。
最小起订量： 30000 提交需求>
可定制单位/双位/三位/四位LED数码管的尺寸/位数/发光颜色等性能参数，每段亮度0.8~30mcd，主波长470~640nm，电压2~10.2V。
最小起订量： 1000 提交需求>
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