p t - 3 0 d f b dc br ush les s mo tor dr ive r ic h - b r i d g e d r i v e r applic atio ns fea tures pac kage: mso p8 single coils dc brushle ss m otor . single-phase full-wave driver motor lock protection and automatic restart connectable direct to hall element built-in hysteresis comparatorfrequency generation output rotate detection (alarm) output low power consumption and high driving efficiency spec ifica tions p r o l i f i c t e c h n o l o g y i n c . 7f, n o. 48 , s ec .3 , n an ka ng r d. , n an ka ng , tai pe i, 11 5, ta iw an dc 2 .0v~18 v. date:jan. 2002 absolute maximum ratings (t a = 25 c) parameter symbol conditions ratings units maximum supply voltage v dd max 18 v allowable power dissipation operating temperature storage temperature output current pd ta 450 a m w m c c o o ts i 0ut 400 -55 ~ +150 -30 ~ +100 -1- continoue a m 600 peak on 50mm x 50mm x 1.6mm glass epoxy board * * any and all prolific products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. consult with your prolific representative nearest you before using any prolific products described or contained herein in such applications. prolific assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all prolific products described or contained herein. input dev ices hall ic o r ha ll ele ment pin de scriptio n name pin description type o1 1 first output pi n o gnd 2 dc ground p o2 3 second output pin o rd 4 rotation detecto r(alarm) o fg 5 frequency generation o h - 6 hall element input( - ) i vdd 7 dc power supply p h+ 8 hall element input( +) i l b d c h e a a 1 e msop - 8 e unit: mm dimensions in millimeters symbols min nom max a1 0.00 - 0.20 a 0.76 0.86 0.97 b 0.15 0.20 0.30 c 0.13 0.15 0.23 d 2. 90 3.0 3.10 e 2.90 3.0 3.10 he 4.80 4.90 5.10 e - 0.65 - l 0.40 0.53 0.66 o2 3 h+ 2 vdd gnd fg o1 h - 1 d f b * * * rd 4 6 7 8 5
lock protection in order to protect the motor , the driver ic will be shutdown to drive the coil when the motor is locked over 0.3 seconds. then, it restarts to drive the motor after 2.1 seconds. figure 1 shows the timing diagram between the hall input signal and driver's output state. -2- pt-30dfb date:jan. 2002 electrical characteristics characteristic symbol test condition min . typ. max. units supply voltage v dd 2 18 v output low - level voltage v ol i o =200ma 0.4 0.5 v output high - level voltage v oh i o =200ma v cc - 0.5 v cc - 0.4 v output breakdown voltage v bv 18 22 30 v input offset voltage v os - 6 0 6 mv supply current i dd o utput open 3 10 ma fg/rd flow - in current i fg /i rd pull - high resistor is 470ohm@12v 25 ma fg/rd supply voltage 30 v fg frequency same with hall input signal truth table h+ h - state o1 o2 fg rd h l rotate h l h l l h rotate l h l l h l lock l l h h l h lock l l h h h - /h+ 0.3sec 2.1sec off driver on fig 1. lock protection t lock detected driving shutdown rotate rd fg 0.3sec lock
-3- pt-30dfb date:jan. 2002 rotation frequency and detector this driver ic outputs the fg and rd si gnal for some special application. for fg application, the driver i c will generate square w ave to indicate the motor rotation frequency. for rd applic ation, the driver ic will outp ut a high signal to indicate the stop of the motor and a low signal to indi cate the normal operation of the motor. (see fig. 1) pre - amplifier this driver ic integrates si gnal amplifier and the hysteresis comparator in this chip. the hysteresis comparator uses the hysteresis characteristi c to eliminate noisy oscillations at output of the comparator. the driver ic architectu re block diagram is shown in fi g. 2. osc fg lock timing control fan lock detection h - bridge driver driver timing control vcc gnd o2 o1 fg fig. 2. driver ic architecture cmp op regulator h - h+ (alarm) rd rd
-4- pt-30dfb date:jan. 2002 a p p li c a t io n c ir c u it s / s in g le c o il hall element input hall ic input * * vcc gnd fg o2 o1 rd r0, r1: depend on hall device spec. r0=r1 is recomm ended r2, r3: open drain loading z0: optional zener diode, depend on vcc, if vcc= 12v, vz=12v~18v . c0: optional decoupling c apacitor 0.1uf r2 h - h+ hall r0 r1 6 8 5 2 1 3 4 7 r3 vcc gnd loading d0 z0 c0 vcc gnd fg o2 o1 rd r0, r1, r4: 10k r2, r3: open drain loading z0: optional zener diode, depend on vcc, if vcc= 12v, vz=12v~18v. c0: optional decoupling capacitor 0.1uf r2 h - h+ hall ic r0 r1 6 8 5 2 1 3 4 7 r3 vcc gnd loading d0 z0 r4 c0
-5- pt-30dfb date:jan. 2002 specifications and information herein are subject to change without notice. specifications of any and all prolific products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. t o verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. prolific t echnology inc. strives to supply high-quality high-reliability products. however , any and all semiconductor products fail with some probability . it is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur . such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. in the event that any and all prolific products described or contained herein fall under strategic products (including services) controlled under the foreign exchange and foreign trade control law of taiwan, such products must not be exported with our obtaining export license from the ministry of international trade and industry in accordance with the above law . no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of prolific t echnology inc. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equipment, refer to the delivery specification for the prolific product that you intend to use. information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. prolific believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. vcc gnd fg o2 o1 rd h - h+ hall ic r0 r1 6 8 5 2 1 3 4 7 vcc 12v/24v/48v gnd d0 z0 r4 r5 r 6 r7 r0, r1, r4: 10k r2, r3: open drain loading r5: 560,1/2w(for24v); 1.8k,1w(for48v); none( for 12v) z0: zener diode, vz=12v~18v. capcitor is optional for back e.m.f. protection . c1 c2 option 12v(high driving capability)/24v/48v application circuits note: d0: general diode 1/2w, (opti onal) z0: vz=12v zener diode 1/2w r5: 560,1/2w(for 24v) ; 1. 8k,1w(for 48v); none(for 12v ) r0,r1,r4 : 10k r6,r7 : 2k, 1/8w(for 0.4a output); 1k, 1/8w(f or 0.8a output), 560, 1/4w (for 1.5a output) q1, q2: depend on driving capability requirement ex. 2222a(40v, 0.6a, 0.3w ), 2sd1782/ssta06(80v, 0.5a, 0.3w ), 2sd1768s(80v, 1a, 0.5w), 2sc4132(120v, 2a 0.5w), 2sd1760(50v, 3a 1w)? .. c1,c2 : 2.2uf, 50v(optional), or s uitable vz zener diode
|
