BU97930MUV数据手册集成电路（IC）的显示驱动器规格书PDF

描述 Description

ROHM的多机能SEG驱动器适合于100SEG到200SEG的 液晶SEG驱动。内置显示用的RAM，可以减少微型电脑负荷， 消耗电流及周边零件，实现了极大的节能设计。 LED驱动器 通过PWM对应调光机能，充实了GPO等附加机能,实现了高水平的 面板设计。

特性 Features

• 1/4, 1/3duty or Static setting selectable
1/4duty driving: Max 108 segments
1/3duty driving: Max 81 segments
Static driving: Max 27 segments
• 1/3 bias setting
• 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 4ch general purpose outputs (SEG selectable)
• Integrated 1ch LED driver able to support 256 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
• Small QFN package

应用 Application

·Rice Cooker
·Vacuum Cleaner
·Bakery Machine
·MFP (多功能打印机)
·Toaster and Griller
·汽车音响
·PPC (Plain Paper Copier)