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| 1/10 www.rohm.com 2011.05 - rev.b ? 2011 rohm co., ltd. all rights reserved. reversible motor driv ers for brush motors 2.0a or more reversible motor drivers (single motor) ba6219bfp-y,ba6222 description these motor drivers are full bridge drivers for brush motor appl ications, supporting output curr ents of up to 2a. the output modes are available in four modes, normal, reverse, stop (idling), and braking in accord ance with input logic (2 inputs). the output voltage can be optionally set by reference voltage setting pin. features 1) large output current (l omax =2.2a) 2) built-in thermal shutdown circuit 3) output voltage can be optionally set by reference voltage setting pin 4) high output voltage can be set by low voltage input because of it has 11.4db gain (ba6222) 5) low standby current applications audio-visual equipment; pc peripherals; car audios; car navigation systems; oa equipments absolute maximum ratings (ta=25 , all voltages are with respect to ground) parameter symbol ratings unit ba6219bfp-y ba6222 supply voltage vcc1, vcc2 24 v output current i omax 2.2* 1 a all other input pins v in -0.3 ~ vcc1 -0.3 ~ vcc1+0.3 v operating temperature t opr -25 ~ 75 storage temperature t stg -55 ~ 150 -55 ~ 125 power dissipation pd 1.45* 2 2.00* 3 w junction temperature t jmax 150 125 *1 do not, exceed pd or aso (pulse at 1/100 duty: 500s). *2 hsop25 package. mounted on a 70mm x 70mm x 1.6mm fr4 glass-epoxy board with less than 3% copper foil. derated at 11.6mw/ above 25 . *3 hsip10 package. derated at 20mw/ above 25 . operating conditions (ta=25 ) parameter symbol ratings unit supply voltage vcc1, vcc2 8 ~ 18 v no.11008ebt03
technical note 2/10 www.rohm.com 2011.05 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba6219bfp-y,ba6222 ? ? ? technical note 3/10 www.rohm.com 2011.05 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba6219bfp-y,ba6222 technical note 4/10 www.rohm.com 2011.05 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba6219bfp-y,ba6222 technical note 5/10 www.rohm.com 2011.05 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba6219bfp-y,ba6222 ? technical note 6/10 www.rohm.com 2011.05 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba6219bfp-y,ba6222 2) output high voltage setting this function optionally sets output voltage by the output high voltage setting pin and controls the motor rotating speed. however, when the output high voltage is set to a low level, consumption at ic increases. carry out thermal design with sufficient margin incorporated with the power dissipation (p d) under the actual application condition taken into account. a) ba6219bfp-y the circuit diagram associated with the output high voltage setting vr pin is as per shown on the right. the maximum output voltage v omax is expressed by: v omax = vcc1 - ( v sat(q1) + v f(q2) + v f(q3) + v f(q4) ) in addition, the relation of vr voltage to output voltage at v omax or lower is expressed by: v oh = vr + ( v f(q5) + v f(q6) + v f(q7) ) - ( v f(q2) + v f(q3) + v f(q4) ) v oh = vr + technical note 7/10 www.rohm.com 2011.05 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba6219bfp-y,ba6222 technical note 8/10 www.rohm.com 2011.05 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba6219bfp-y,ba6222 technical note 9/10 www.rohm.com 2011.05 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba6219bfp-y,ba6222 11) testing on application boards when testing the ic on an application board, connecting a capaci tor to a low impedance pin subjects the ic to stress. therefore, always discharge capacitors after each process or step. always turn the ic's power supply off before connecting it to or removing it from t he test setup during the inspection proc ess. ground the ic during assembly steps as an antistatic measure. use similar prec aution when transporting or storing the ic. 12) regarding the input pin of the ic this monolithic ic contains p+ isolat ion and p substrate layers between adjac ent elements, in order to keep them isolated. p-n junctions are formed at the intersection of these p layers with t he n layers of other elements, creating a parasitic diode or transistor. for example, the relation between each potential is as follows: when gnd > pin a and gnd > pin b, the p-n junction operates as a parasitic diode. when gnd > pin b, the p-n junction operates as a parasitic transistor. parasitic diodes inevitably occur in the structure of the ic. the operation of parasitic diodes can result in mutual interference among circuits, as well as operating malfuncti ons and physical damage. therefor e, do not use methods by which parasitic diodes operate, such as applying a voltage lo wer than the gnd (p substrate) voltage to an input pin. parasitic element appendix: example of monolithic ic structure resistor transistor (npn) n n n p + p + p p substrate gnd parasitic element pin a n n p + p + p p substrate gnd parasitic element pin b c b e n gnd pin a pin b other adjacent elements e b c gnd parasitic element technical note 10/10 www.rohm.com 2011.05 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba6219bfp-y,ba6222 (unit : mm) hsop25 7.8 0.3 5.4 0.2 2.75 0.1 1.95 0.1 25 14 1 13 0.11 1.9 0.1 0.36 0.1 12.0 0.2 0.3min. 0.25 0.1 13.6 0.2 0.8 (max 13.95 include burr) s 0.1 s ? order quantity needs to be multiple of the minimum quantity. r1120 a www.rohm.com ? 2011 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 specied herein is subject to change for improvement without notice. the content specied 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 specications, 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 specied 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 specied 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 specied in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, ofce-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specied 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, re or any other damage caused in the event of the failure of any product, such as derating, redundancy, re 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 specied 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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