Driver IC. VK1628 Datasheet

VK1628 IC. Datasheet pdf. Equivalent


Yongjia VK1628
VK1628 LED 驅動 IC
General Description
VK1628(SOP 28) / VK1668(SOP 24) is an LED Controller driver with key scan function . Ten
segment output lines, four grid output lines, Three segment/grid output lines , display
memory, pulse width control circuit , key scan circuit , 3 wire interface circuit are
all incorporated into a single chip to build a highly reliable peripheral device for a
single chip microcomputer.
Features
Multiple Display Modes (10 segment X 7 Grid to 13 segment X 4 Grid)
Key Scanning (10 x 2 )
8 step Dimming adjustment
Build-in RC oscillator
Serial interface for clock, data Input/ output, strobe pins
SOP28 package (VK1628) / SOP24 package(VK1668)
CMOS technology
Low power consumption
.Pin Assignment
VK1628
VK1668
ver:1.1
www.szvinka.com
深圳永嘉微电科技有限公司 TEL:13554744703
1


VK1628 Datasheet
Recommendation VK1628 Datasheet
Part VK1628
Description LCD Driver IC
Feature VK1628; VK1628 LED IC General Description VK1628(SOP 28) / VK1668(SOP 24) is an LED Controller driver with .
Manufacture Yongjia
Datasheet
Download VK1628 Datasheet




Yongjia VK1628
.Pin Description
VK1628 LED 驅動 IC
Pin Name I/O Pin Description
DIO I/O Data Input Pin : This pin inputs serial data at the rising edge of the
shift clock (starting from the lower bit)
Data Output Pin (N-Channel, Open-Drain)
CLK I Clock Input Pin This pin reads serial data at the rising edge and outputs
data at the falling edge.
STB I Serial Interface Strobe Pin
The data input after the STB has fallen is processed as a command. When
this pin is HIGH", CLK is ignored.
K1 ~ K2
Key Data Input Pins
The data sent to these pins are latched at the end of the display
cycle. (Internal Pull-Low Resistor)
VDD P Power Supply
SEG1/KS1 ~
O
Segment Output Pins (p-channel, open drain)
SEG10/KS10
Also acts as the Key Source
SEG12/GR7 ~
Segment / Grid Output Pins
SEG14/GR5
GND P Ground Pin
GR4 ~ GR1
O
Grid Output Pins
ver:1.1
www.szvinka.com
深圳永嘉微电科技有限公司 TEL:13554744703
2



Yongjia VK1628
VK1628 LED 驅動 IC
Equivalent Circuits for Inputs and Outputs
ver:1.1
www.szvinka.com
深圳永嘉微电科技有限公司 TEL:13554744703
3





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