For Packaging High-speed Printers A H Series AH2002-DC50A Data Sheet Ideal for packaging printers requiring high reliability. Applications Distribution / Food label printers Packaging printers Date-code printers Features These thermal heads feature a near-edge structure based on the high-speed, high-quality, reliable step-free SE, SF series, enabling straight path for hand media or high speed printing External dimensions (Unit : mm) www.rohm.com c 2015 ROHM Co., Ltd. All rights reserved. ○ 1/5 2015.04 - Rev.A Data Sheet AH2002-DC50A Equivalent circuit Dot #1 Dot #448 VH +220uF 35V GND 0.1uF 50V #448 #193 #192 #1 VDD BEO /STB1 /STB2 /LAT LATCH REGISTER DI SHIFT REGISTER CLK TM TM DI, STB DIVISION DOT No. CORRESPONDENCE DI No. DOT No. /STB No. DOT No. DI 448 to 1 /STB 2 448 to 193 /STB 1 192 to 1 www.rohm.com c 2015 ROHM Co., Ltd. All rights reserved. ○ 2/5 2015.04 - Rev.A Data Sheet AH2002-DC50A Pin assignments Connector A : HIF3FC-20PA-2.54DS or equivalent No. Circuit No. Circuit 1 VDD 2 BEO 3 GND 4 DI 5 N.C. 6 CLK 7 /LAT 8 GND 9 GND 10 N.C. 11 N.C. 12 GND 13 VDD 14 /STB2 15 /STB1 16 TM 17 TM 18 SENS1 19 SENS2 20 SENS3 CONNECTOR B : B4PS-VH-2.2(LF)(SN) or equivalent No. Circuit No. Circuit 1 VH 2 VH 3 GND 4 GND Pin number : Refer to External dimensions DI: Data In (Serial Input) CLK : Clock Pulse(Max Transfer Frequency) /LAT: Data Latch TM: Thermistor /STBn: Strobe VDD : Power Supply for Driver IC N.C. : Non Connection www.rohm.com c 2015 ROHM Co., Ltd. All rights reserved. ○ 3/5 2015.04 - Rev.A Data Sheet AH2002-DC50A Timing Chart tw CLK CLK (CLOCK) t setup DI t hold DI DI(DATA IN) "High":BLACK "LOW" :WHITE BEO t setup LAT t hold LAT min.1μ sec (Max. tdo)* /LAT (LATCH) "High": HOLD "LOW" : THROUGH tw LAT t setup STB /STB (STROBE) tdo tdo DRIVER OUT *If delay time for Driver Out can not be secured enough, there is a possibility that VH would fluctuate greatly. Please design the circuit so that VH does not exceed peak voltage (Vp). www.rohm.com c 2015 ROHM Co., Ltd. All rights reserved. ○ 4/5 2015.04 - Rev.A Data Sheet AH2002-DC50A Characteristics Parameter symbol Typical Unit Effective printing width - 56 mm Dot pitch - 0.125 mm Total dot number - 448 dots Rave 850 Ω Applied voltage VH 24 V Applied power Po 0.59 W/dot Print cycle SLT 1.5 ms/line Pulse width TON 0.36 ms Maximum number of dots energized simultaneously - 448 dots Maximum clock frequency - 10 MHz Maximum platen diameter - ∞ Average resistance value mm 8 Running life / pulse life - 50/1×10 Km/pulse Operating temperature - 5 to 45 °C www.rohm.com c 2015 ROHM Co., Ltd. All rights reserved. ○ 5/5 2015.04 - Rev.A Notice Notes 1) The information contained herein is subject to change without notice. 2) Before you use our Products, please contact our sales representative and verify the latest specifications : 3) Although ROHM is continuously working to improve product reliability and quality, semiconductors can break down and malfunction due to various factors. Therefore, in order to prevent personal injury or fire arising from failure, please take safety measures such as complying with the derating characteristics, implementing redundant and fire prevention designs, and utilizing backups and fail-safe procedures. ROHM shall have no responsibility for any damages arising out of the use of our Poducts beyond the rating specified by ROHM. 4) Examples of application circuits, circuit constants and any other information contained herein are provided only to illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. 5) 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 or any other parties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use of such technical information. 6) The Products are intended for use in general electronic equipment (i.e. AV/OA devices, communication, consumer systems, gaming/entertainment sets) as well as the applications indicated in this document. 7) The Products specified in this document are not designed to be radiation tolerant. 8) For use of our Products in applications requiring a high degree of reliability (as exemplified below), please contact and consult with a ROHM representative : transportation equipment (i.e. cars, ships, trains), primary communication equipment, traffic lights, fire/crime prevention, safety equipment, medical systems, servers, solar cells, and power transmission systems. 9) Do not use our Products in applications requiring extremely high reliability, such as aerospace equipment, nuclear power control systems, and submarine repeaters. 10) ROHM shall have no responsibility for any damages or injury arising from non-compliance with the recommended usage conditions and specifications contained herein. 11) ROHM has used reasonable care to ensur the accuracy of the information contained in this document. However, ROHM does not warrants that such information is error-free, and ROHM shall have no responsibility for any damages arising from any inaccuracy or misprint of such information. 12) Please use the Products in accordance with any applicable environmental laws and regulations, such as the RoHS Directive. For more details, including RoHS compatibility, please contact a ROHM sales office. ROHM shall have no responsibility for any damages or losses resulting non-compliance with any applicable laws or regulations. 13) When providing our Products and technologies contained in this document to other countries, you must abide by the procedures and provisions stipulated in all applicable export laws and regulations, including without limitation the US Export Administration Regulations and the Foreign Exchange and Foreign Trade Act. 14) This document, in part or in whole, may not be reprinted or reproduced without prior consent of ROHM. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com © 2015 ROHM Co., Ltd. All rights reserved. R1102A