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低Duty LCD段码驱动器_BU97981KV

BU97981KV是1/4、1/3占空比的Static通用LCD驱动器,最多可显示196段的LCD。
内置显示用RAM,可减轻微控制器负荷,还无需外置部件,实现了低功耗。最多控制31个通用输出,可实现LED元件等的点亮,此外还内置3ch具有PWM功能的LED驱动器,还能实现背光、按钮LED等的照明。

* 本产品是标准级的产品。本产品不建议使用的车载设备。
型号
Status
封装
包装数量
最小独立包装数量
包装形态
RoHS
BU97981KV-E2 供应中 VQFP64 1000 1000 Taping Yes
 
特性:
Grade Consumer
Segment Element 196
Duty 1/4, 1/3, Static
Bias 1/3, 1/2
Elements of MUX 1:1 49
Elements of MUX 1:3 147
Elements of MUX 1:4 196
Interface [line serial] 3wire
Interface Voltage (Min.)[V] 1.8
Interface Voltage (Max.)[V] 3.6
Max GPO [port] 31
LED Driver [port] 3
LCD Driving Waveform Line/Frame
Operating Temperature (Min.)[°C] -30
Operating Temperature (Max.)[°C] 75
特点:
    • 1/4, 1/3duty or Static setting selectable
      1/4duty driving: Max 196 segments
      1/3duty driving: Max 147 segments
      Static driving: Max 49 segments
    • 1/3 or 1/2 bias setting selectable
    • Power supply for Interface: 1.8V to 3.6V
    • Power supply for LCD: 2.7V to 5.5V
    • Integrated LCD voltage driving circuit
    • Integrated oscillation circuit for LCD frame frequency
    • Line or Frame inversion driving selectable
    • Integrated 31ch general purpose outputs
      (SEG selectable)
    • Integrated 3ch LED driver able to support 4096 step PWM illumination
    • Support individual blink function with dedicated blink RAM integrated
    • Support 3 wire serial interface
    • Support INHb terminal to control Display ON/OFF
    • Integrated voltage detected type power on reset circuit
    • No external components required
    • Low power consumption design
 
 
技术信息
Application Note

Thermal Resistance