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DM13G 반도체 회로 부품 판매점

16-bit Constant Current LED Driver



SiTi 로고
SiTi
DM13G 데이터시트, 핀배열, 회로
DM13G
Version
Issue Date
File Name
Total Pages
: A.002
: 2008/11/10
: SP-DM13G-A.002.doc
: 26
16-bit Constant Current LED Driver
With Error Detection
新竹市科學園區展業一路 9 號 7 樓之 1
SILICON TOUCH TECHNOLOGY INC.
9-7F-1, Prosperity Road I, Science Based Industrial Park,
Hsin-Chu, Taiwan 300, R.O.C.
Tel886-3-5645656 Fax886-3-5645626


DM13G 데이터시트, 핀배열, 회로
DM13G
DM13G
16-bit Constant Current LED Driver
With Error Detection
General Description
DM13G is a constant-current sink driver specifically designed for LED display
applications. The device incorporates shift registers, data latches, and constant current
circuitry on the silicon CMOS chip. The maximum output current value of all 16 channels is
adjustable by a single external resistor. The global current also can be further adjusted by
7-bit serial shift-in data. Its built-in LED open/short detection, output channels short to GND
detection and thermal alarm circuits help users detect LED failures, outputs short and
overheating. There are two methods to communicate the error messages to the system.
One is through serial output data to indicate which channel has failure. The other is by
means of dedicated Alarm pin.
Features
z Constant-current outputs: 5mA to 90mA adjustable by one external resistor
z Maximum output voltage: 17V
z Maximum clock frequency: 30MHz
z 7-bit linear global brightness control
z Built-in LED open/short detection: Real-time detection or Smart detection
z Outputs short to GND detection: Smart detection
z Fast detecting response: 100ns (min.)
z Over temperature protection:
Alarm (junction temperature > 130°C)
Shutdown (junction temperature > 170°C)
z Sleep mode selection :sleep current < 5uA (typ.)
z Ghost image elimination
z In-rush current control
z Schmitt trigger input
z Power supply voltage: 3.0V to 5.5V
Applications
z LED Variable Message Signs (VMS) System
z Indoor/Outdoor LED Video Display
Package
z SSOP28, TSSOP28E, QFN32
16-bit Constant Current LED Driver with Error Detection
Version:A.002
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