Thick film thermal printhead (with thermal historical control) KD2002-DC72A DC72 series has our own internally developed heat-history control function. This product is best suited for applications which require 24 hours operation like factory production lines. zApplications High speed label printer High speed bar code printer High speed ticket printer Various high speed terminal printers zFeatures 1) Newly developed thick-film fast response thermal element and driver LSI with the function of thermal history control which is added the future history control are employed for this series. It is possible to print with super high speed of 10 inches / s or 250mm / s. 2) 150km life realized by attributing durable new protection film. 3) New partial glaze construction makes it compatible with the thermal transfer application. zDimensions (Unit : mm) LABEL 56 (Effective Print Width) 25±0.5 Dot #1 0±0.2 DOT #448 55.5±0.3 55±0.3 17.8±0.2 7.3±0.3 Max.12 15.3±0.3 Ma x.φ 20 (3) Max.36 Dot #448 Max.45 (5) f3H10 Length 4 (Effective Depth 3) (20.8) (4.5) 3-M3(Effective Depth 3) 6.1±0.4 65 28±0.3 56±0.3 Max.5.5 φ3H10 (Effective Depth 3) #2 #1 CONNECTOR A #20 #4 #1 #19 CONNECTOR B www.rohm.com c 2009 ROHM Co., Ltd. All rights reserved. ○ 1/3 2009.01 - Rev.A KD2002-DC72A zEquivalent circuit DOT #448 VH DOT #1 220µF 35V GND 0.1µF 50V #448 #193 #192 #1 VDD / STB2 / STB1 / RESET LATCH REGISTER CLK DI SHIFT REGISTER DO / LOAD START INC TO EACH IC SEL2 SEL1 TM THERMISTOR 30kΩ B: 3950K TM CONNECTOR DI No. DOT No. / STB No. DI 448 to 1 / STB2 448 to 193 / STB1 192 to DOT No. 1 zPin assignments CONNECTOR A CONNECTOR B No. Circuit No. Circuit No. Circuit 1 VDD 11 / RESET 1 VH (COM) 2 VDD 12 START 2 VH (COM) 3 SEL2 13 DO 3 GND 4 SEL1 14 NC 4 GND 5 CLK (CP) 15 TM 6 NC 16 TM 7 DI 17 / STB 2 8 NC 18 / STB 1 9 INC 19 NC 10 / LOAD 20 NC www.rohm.com c 2009 ROHM Co., Ltd. All rights reserved. ○ 2/3 2009.01 - Rev.A KD2002-DC72A zCharacteristics Symbol Parameter Typical Unit Effective printing width − 56 mm Dot pitch − 0.125 mm − 448 dots Rave 550 Ω Total dot number Average resistance value Applied voltage VH 24 V Applied power PO 0.83 W/dot Print cycle SLT 0.490 ms Maximum number of dots energized simultaneously − 448 dots Maximum clock frequency − 8 MHz Maximum roller diameter − φ20.0 mm Running life / pulse life − 150/(1×108) km/pulses Operating temperature − 5 to 45 °C zData sheets 1.6 1.0 SLT : 0.82ms / line 0.9 MAXIMUM ENERGY (mJ/dot) OPTICAL DENSITY 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.8 0.7 0.6 Level1 0.5 Level2 0.4 Level3 0.3 0.2 0.1 0 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.0 0 Level4 Level5 Level6 0.2 0.4 0.6 0.8 1.0 1.2 ENERGY (mJ/dot) SCANNING LINE TIME (ms/line) Fig.2 Representative density curve Fig.3 Maximum energy curve www.rohm.com c 2009 ROHM Co., Ltd. All rights reserved. ○ 3/3 1.4 2009.01 - Rev.A Appendix Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM CO.,LTD. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact your nearest sales office. ROHM Customer Support System www.rohm.com Copyright © 2009 ROHM Co.,Ltd. THE AMERICAS / EUROPE / ASIA / JAPAN Contact us : webmaster @ rohm.co. jp 21 Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585, Japan TEL : +81-75-311-2121 FAX : +81-75-315-0172 Appendix-Rev4.0