Vk1620 temperature controller / smart meter LED digital display driver chip 3/4-wire interface with built-in RC oscillator to provide technical support

model ：VK1620

brand ：VINKA/ Yongjiawei / Yongjia micro electricity

Package form ：SOP20

year ： New year's Day

United system people ： Miss Wang  

KPP2204

General Statement

  VK1620B It is a kind of digital tube or dot matrix LED Special chip for drive control , Internal integration 3 Line serial interface 、 Data latch 、LED Drive circuit .SEG Foot joint LED Anode ,GRID Foot joint LED The cathode , Can support 10SEGx4GRID、9SEGx5GRID、8SEGx6GRID Lattice of LED Display panel . Applicable to reliable requirements 、 Stable and anti-interference applications . use SOP20 The packaging form of .

 

, spot

• Working voltage 3.0-5.5V

• built-in RC oscillator

• 8 individual SEG foot ,4 individual GRID foot ,2 Configurable SEG/GRID Reuse feet

• SEG Feet can only be connected LED Anode ,GRID Feet can only be connected LED The cathode

• 3 Line serial interface

• 8 Level overall brightness is adjustable

• Built in display RAM by 14x8 position

• Built in power on reset circuit

• Strong anti-interference ability

• encapsulation

SOP20(300mil)(12.80mm × 7.50mm PP=1.27mm)

 

 

model ：VK1S68C

brand ：VINKA/ Yongjiawei / Yongjia micro electricity

Package form ：SSOP24

year ： New year's Day

General Statement

  VK1S68C It is a kind of digital tube or dot matrix with keyboard scanning interface LED Special chip for drive control , Internal integration 3 Line serial interface 、 Data latch 、LED drive 、 Keyboard scanning and other circuits .SEG Foot joint LED Anode ,GRID Foot joint LED The cathode , Can support 13SEGx4GRID、12SEGx5GRID、11SEGx6GRID、10SEGx7GRID Lattice of LED Display panel , The biggest support 10x2 Key . Applicable to reliable requirements 、 Stable and anti-interference applications .

, spot

• Working voltage 3.0-5.5V

• built-in RC oscillator

• 10 individual SEG foot ,4 individual GRID foot ,3 Configurable SEG/GRID Reuse feet

• SEG Feet can only be connected LED Anode ,GRID Feet can only be connected LED The cathode

• 10x2 Matrix key , Support pressing multiple keys at the same time （ Key display multiplexing requires hardware circuit cooperation ）

• 3 Line serial interface

• 8 Level overall brightness is adjustable

• Built in display RAM by 14x8 position

• Built in power on reset circuit

• Strong anti-interference ability

• encapsulation

SSOP24(150mil)(8.65mm × 3.90mm  PP=0.635mm)