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Part Name(s) : FD650 FD650S FD650K
ETC
Unspecified
Description : LED driver control / keyboard scanning ASIC

Overview
The FD650 is a dedicated LED drive control circuit with a keyboard scanning circuit interface. Integrated MCU input Output control digital interface, data latch, LED driver, keyboard scan, brightness adjustment and other circuits. Chip nature It can be stable, reliable in quality and strong in anti-interference ability, and can be adapted to applications with long-term continuous operation for 24 hours.

Feature description
• Display mode: 8 segments × 4 bits
• Segment drive current is not less than 25mA, word drive current is not less than 150mA
• Provides 8-level brightness control
keyboard scan: 7×4bit
• High speed two-wire serial interface
• Built-in clock oscillation circuit
• Built-in power-on reset circuit
• Support 3V-5.5V power supply voltage
• Available in DIP16 (FD650K) and SOP16 (FD650S) packages

Part Name(s) : TM1650
ETC2
Unspecified
Description : LED drive control/keyboard scanning ASIC

[Titan Micro Electronics]

Characteristic description
TM1650 is an LED (light emitting diode display) drive control circuit with keyboard scanning interface. Integrated MCU Input and output control digital interface, data latch, LED drive, keyboard scanning, brightness adjustment and other circuits. TM1650 has stable performance and quality Reliable quantity, strong anti-interference ability, suitable for 24 hours long-term continuous work applications.

Features
➤ Two display modes: 8 segments × 4 digits and 7 segments × 4 digits
➤ Segment drive current is greater than 25mA, bit drive current is greater than 150mA
➤ Provide 8-level brightness control
keyboard scan: 7×4bit internal integrated transistor driver
➤ High-speed two-wire serial interface
➤ Built-in clock oscillation circuit
➤ Built-in power-on reset circuit
➤ Support 2.8V-5.5V power supply voltage
➤ Provide DIP16 and SOP16 packages

Applicable fields:
◇ Display drivers for household appliances such as set-top boxes, air conditioners, DVD/VCD, etc.

(Google Trans ...)

Part Name(s) : TC7258GN
ETC
Unspecified
Description : 8-channel LED display line scan blanking control driver chip

[SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD.]

Overview
TC7258GN is an 8-channel blanking control driver IC designed specifically for LED screen line scan screens. It integrates line scan Blanking circuit, 74HC138 38 decoder and power tube.
TC7258GN will open the internal pull-down tube when the power tube is turned off and absorb the residual charge on the row line with a constant current, which can eliminate the smear It can also improve the caterpillar phenomenon caused by LED leakage and short circuit.
TC7258GNs unique patented technology can more completely eliminate ghosting phenomenon, and it is the best LED screen line scan display effect on the market.
TC7258GN adopts SOP-16 package form and integrates anti-burning power tube inside.

Features
● Integrated 138 decoder.
● Integrate 8 power tubes, the on-resistance is 130 milliohms, and the working current is 2.5A.
● Integrated anti-burn power tube, with over-current and short-circuit protection.
● The smear phenomenon on the LED can be eliminated.
● Improve the caterpillar phenomenon caused by LED leakage and short circuit.
● Adopt SOP-16 package.

(Google Trans ...)

Part Name(s) : TC7258F
ETC
Unspecified
Description : 8-channel LED display line scan blanking control driver chip

[SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD.]

Overview
TC7258F is an 8-channel blanking control driver IC designed specifically for LED screen line scan screens. It integrates line Hidden circuit, 74HC138 38 decoder and power tube.
TC7258F will open the internal pull-down tube when the power tube is turned off and absorb the residual charge on the row line with a constant current, which can eliminate the smear phenomenon.
It can also improve the caterpillar phenomenon caused by LED leakage and short circuit at the same time.
The unique patented technology of TC7258F can more completely eliminate the ghosting phenomenon, and it is the chip with the best LED screen scanning display effect on the market.
TC7258F adopts SOP-16 package form and integrates anti-burning power tube inside.

Features
● Integrated 138 decoder.
● Integrate 8 power tubes, with a conduction impedance of 120 milliohms, and a working current of 2.5A.
● Integrated anti-burn power tube, with over-current and short-circuit protection.
● The smear phenomenon on the LED can be eliminated.
● Improve the caterpillar phenomenon caused by LED leakage and short circuit.
● Adopt SOP-16 package.

Part Name(s) : TC7260
ETC
Unspecified
Description : 8-channel LED display line scan blanking control driver chip

[SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD.]

Overview
TC7260 is an 8-channel blanking control driver IC designed specifically for LED screen line scan screens, which integrates line blanking Circuit, 74HC138 38 decoder and power tube.
When the power tube is turned off, the internal pull-down tube of TC7260 will open and absorb the residual charge on the row line with a constant current, which can eliminate the smear phenomenon.
At the same time, it can also improve the caterpillar phenomenon caused by LED leakage and short circuit.
The unique patented technology of TC7260 can eliminate ghosting phenomenon more completely, and it is the chip with the best LED screen scanning display effect on the market.
TC7260 adopts SOP-16 package form, integrated with anti-burning power tube.

Features
● Integrated 138 decoder.
● Integrate 8 power tubes, the on-resistance is 110 milliohms, the working current is 3A, and the maximum current is 3.5A.
● Integrated anti-burn power tube, with over-current and short-circuit protection.
● The smear phenomenon on the LED can be eliminated.
● Improve the caterpillar phenomenon caused by LED leakage and short circuit.
● Adopt SOP-16 package.

(Google Trans ...)

Part Name(s) : TC7258EN
ETC1
Unspecified
Description : 8-channel LED display line scan blanking control driver chip

[SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD.]

Overview
TC7258EN (with dots) is an 8-channel blanking control driver IC specially designed for LED screen line scan screens.
It becomes a line blanking circuit, 74HC138 38 decoder and power tube.
TC7258EN (with dot) when the power tube is turned off, the internal pull-down tube will open and absorb the residual charge on the line with a constant current, which can dissipate In addition to the smear phenomenon, it can also improve the caterpillar phenomenon caused by LED leakage and short circuit.
The unique patented technology of TC7258EN (with dots) can more completely eliminate the ghost phenomenon, which is the best LED screen scanning display effect on the market Chip.
TC7258EN (with dots) adopts SOP-16 package form, and integrates a burn-proof power tube inside.

Features
● Integrated 138 decoder.
● Integrate 8 power tubes, with an on-resistance of 100 milliohms and a maximum current of 3A.
● Integrated anti-burn power tube, with over-current and short-circuit protection.
● The smear phenomenon on the LED can be eliminated.
● Improve the caterpillar phenomenon caused by LED leakage and short circuit.
● Adopt SOP-16 package.

(Google Trans ...)

ETC
Unspecified
Description : 8-channel LED display line scan blanking control driver chip

[SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD.]

Overview
TC7258E/X, TC7258EN/X is an 8-channel blanking control driver IC designed specifically for LED screen line scan screens.
The line blanking circuit, 74HC138 38 decoder and power tube are integrated inside.
TC7258E/X, TC7258EN/X When the power tube is turned off, the internal pull-down tube will open and absorb the residual current on the line with a constant current It can eliminate the smear phenomenon and at the same time improve the caterpillar phenomenon caused by LED leakage and short circuit.
The unique patented technology of TC7258E/X and TC7258EN/X can eliminate ghosting phenomenon more completely, it is the LED screen scanning display on the market The best chip.
TC7258E/X TC7258EN/X adopts SOP-16 package, and integrates anti-burning power tube inside.

Features
● Integrated 138 decoder.
● Integrate 8 power tubes, with an on-resistance of 100 milliohms and a maximum current of 2.5A.
● Integrated anti-burn power tube, with over-current and short-circuit protection.
● The smear phenomenon on the LED can be eliminated.
● Improve the caterpillar phenomenon caused by LED leakage and short circuit.
● Adopt SOP-16 package.

(Google Trans ...)

Part Name(s) : SM1628C
ETC
Unspecified
Description : LED drive control circuit dedicated

LED M1628C is a kind of keyboard scan interface (light-emitting diode display) drive control professionals
Circuit, the internal MCU integrated digital interface, data latches, LED high voltage driver, the keyboard scan Other circuits.

This product is excellent performance, reliable quality. Mainly used in VCR, VCD, DVD and home

Theater products such as display drivers. SOP28 of use package.

 

 

 

Part Name(s) : TM1637
ETC
Unspecified
Description : LED Drive control Special Circuit

[Titan Micro Electronics]

Features description
TM1637 is a kind of LED (light-emitting diode display) drive control special circuit with keyboard scan interface and its internally integrated with MCU digital interface, data latch, LED high pressure drive and keyboard scan. This product is in DIP20/SOP20 package type with excellent performance and high quality, which is mainly applicable to the display drive of induction cooker, micro-wave oven and small household electrical appliance.

Function features
► Applied power CMOS technique
► The display mode (8 segments*6 bit) supports output by common anode LED.
keyboard scan (8×2bit), with enhanced identification circuit
   with anti-interference keys
► Luminance adjustment circuit (adjustable 8 duty ratio)
► Two-wire serial interface (CLK, DIO)
► Oscillating type: Built-in RC oscillator
► Built-in power-on reset circuit
► Built-in automatic blanking circuit
► Package type: DIP20/SOP20

Part Name(s) : EKK8301
EMC
ELAN Microelectronics
Description : keyboard Encoder

General Description
The eKK8301 microcontroller is dedicated to a keyboard encoder, specially designed for IBM PC AT and all compatible machines. The eKK8301 control all scan codes, three LEDs status, scan timing and communications between the keyboard and PC. It is easy to implement a high performance, low cost keyboard with the minimal external components.

Features
■ Low cost - eliminate need external components.
■ Phantom key detects.
■ RC oscillator (1.8432MHz).
■ Support scan code set 1, 2 and 3.
■ Support PC AT and PS/2 keyboard.
■ Low power CMOS device technology.
■ Internal pull-up resistor.
■ Tri-state outputs for easy board application.
■ Built-in 4K ROM.
■ Support WINDOWS TM 95, 98, 2000, ME keys.
■ 104/107 keys with multi-media or other special application keyboard encoder.
■ WINDOWS is registered trademarks of Microsoft corporation.

Applications
■ IBM PC AT or compatible machine keyboard.
■ IBM PS/2 model 30, 50, 60, 80 or compatible machine keyboard.
■ Japanese keyboard.
■ Korean keyboard.
■ Brazilian keyboard.
■ European keyboard.

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