1/8 www.rohm.com 2012.02 - rev. a ? 2012 rohm co., ltd. all rights reserved. stepping motor driver series standard 36v stepping motor drivers bd63940efv, bd63960efv description bd63940efv,bd63960efv are the ultra simp le type that provides the minimum function for driving stepping motor and various protection circuits. as for its basic function, it is a low power consumption bipolar pwm constant cu rrent-drive driver with power supply?s rated voltage of 36v and rated output curr ent of 1.2a, 1.5a, and each driver is pin- compatible so that replacement can be done easily. also it makes -step drive possible by inputting external dac si gnal so that it prov ides wider application area. there are excitation modes of full step & half step mode. this series contributes to reduction of mounting area, cost down, safety design. feature 1) power supply: one system drive (rated voltage of 36v) 2) rated output current: 1.2a, 1.5a 3) low on resistance dmos output 4) parallel in drive mode 5) 2ch drive dc motor 6) pwm constant current control (self oscillation) 7) built-in spike noise cancel function (external noise filter is unnecessary) 8) full step applicable to half step 9) applicable to step drive 10) forward/reverse break mode for dc motor 11) power save function 12) built-in logic input pull-down resistor 13) power-on reset function 14) thermal shutdown circuit (tsd) 15) over current protection circuit (ocp) 16) under voltage lock out circuit (uvlo) 17) over voltage lock out circuit (ovlo) 18) malfunction prevention at the time of no app lied power supply (ghost supply prevention) 19) electrostatic discharge: 4kv (hbm specification) 20) microminiature, ultra-thin and high heat-radiation (exposed metal type) htssop package 21) pin-compatible line-up application laser beam printer, scanner, photo printer, fax, ink jet prin ter, mini printer, sewing machine, toy, and robot etc. no.12009eat11
technical note 2/8 bd63940efv, bd63960efv www.rohm.com 2012.02 - rev. a ? 2012 rohm co., ltd. all rights reserved. ? ?
technical note 3/8 bd63940efv, bd63960efv www.rohm.com 2012.02 - rev. a ? 2012 rohm co., ltd. all rights reserved. ? ? ? ? ? ? ? ?
technical note 4/8 bd63940efv, bd63960efv www.rohm.com 2012.02 - rev. a ? 2012 rohm co., ltd. all rights reserved.
technical note 5/8 bd63940efv, bd63960efv www.rohm.com 2012.02 - rev. a ? 2012 rohm co., ltd. all rights reserved. ? ? ? ? ? ? ? ? ?
technical note 6/8 bd63940efv, bd63960efv www.rohm.com 2012.02 - rev. a ? 2012 rohm co., ltd. all rights reserved. ?
technical note 7/8 bd63940efv, bd63960efv www.rohm.com 2012.02 - rev. a ? 2012 rohm co., ltd. all rights reserved. (12) input terminal of ic this ic is a monolithic ic, and between each element there is a p+ isolation for element partition and a p substrate. this p layer and each element?s n layer make up the p-n junction, and various parasitic elements are made up. for example, when the resistance and transistor are connected to the terminal as shown in figure 3,
technical note 8/8 bd63940efv, bd63960efv www.rohm.com 2012.02 - rev. a ? 2012 rohm co., ltd. all rights reserved. ??` ??`?? `???`? (unit : mm) htssop-b24 0.65 1.0max 0.850.05 0.080.05 0.24 +0.05 - 0.04 0.08 m s 0.08 1.00.2 0.530.15 0.17 +0.05 - 0.03 4 + 6 ? 4 s 24 13 112 0.325 (3.4) (5.0) 7.80.1 7.60.2 5.60.1 (max 8.15 include burr) 1pin mark ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape (with dry pack) tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 2000pcs e2 () direction of feed reel 1pin
r1120 a www.rohm.com ? 2012 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. 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 produc ts. 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, commu- nication devices, electronic appliances and amusement devices). the products specified in this document 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.
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