specifications of any and all sanyo semiconductor co.,l td. 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. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' sproductsor equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general el ectronics equipment (home appliances, av equipment, communication device, office equipment, industrial equ ipment etc.). the products mentioned herein shall not be intended for use for any "special application" (medica l equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, t ransportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of re liability and can directly threaten human lives in case of failure or malfunction of the product or may cause har m to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for app lications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. if there is n o consultation or inquiry before the intended use, our customer shall be solely responsible for the use. d0308 ms / 63099rm(ki) no.6191-1/4 LB1960M overview the LB1960M is a 2-phase half-wave driver for fan motor. the LB1960M is a compact p ackage (mfp8). low external parts count, easy wiring, and small pcb area allow use also with miniature fan motors. functions ? dual power supply voltage design (5/12v) and wide voltage handling range. (3v also supported for rotation functions only) ? constant-voltage hall bias power supply (1.3v across hb to gnd) assures stable hall output over entire temperature and power supply voltage range. external limiting resistor not required. ? built-in hall amplifier with hysteresis (s upports core without commutating pole). ? built-in lockup protection and automatic recovery circuits (external capacitor for rotation detection need only be 0.1 f, allowing compact, cost-saving design). ? built-in output transistor with output withstand voltage 24v (max)/output current 5 00ma (average), 1a (peak). ? built-in thermal protection circuit. specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc max 18 v i out ave 500 ma maximum output current i out peak t 1ms 1000 ma maximum output voltage v out max internal v maximum hb output current ih max 10 ma allowable power dissipation pd max mounted on a specified board * 600 mw operating temperature topr -30 to +85 c storage temperature tstg -55 to +150 c * specified board: 114.3mm 76.1mm 1.5mm, glass epoxy board. monolithic digital ic for fan motor 2-phase half-wave driver orderin g numbe r : en6191a
LB1960M no.6191-2/4 allowable operating conditions at ta = 25 c parameter symbol conditions ratings unit recommended supply voltage v cc 3.6 to 17 v common mode input voltage range v com 0.2 to hb v electrical characteristics at ta = 25 c, v cc = 12v ratings parameter symbol conditions min typ max unit in drive mode (ct = l) 2.3 4 ma circuit current i cc in lockup protection mode (ct = h) 3 5 ma ct capacitor charge current i ct 1 v ct = 0.2v 0.8 1.2 2.0 a capacitor discharge current i ct 2 v ct = 8v 0.16 0.24 0.4 a capacitor charge/discharge current ratio r ct rct = i ct 1/i ct 2 4.0 5.0 7.0 ct charge voltage v ct 1 6.8 7.2 7.6 v ct discharge voltage v ct 2 1.4 1.6 1.8 v output limiter withstand voltage v o lm i o = 1ma 22.5 23.5 24.5 v output saturation voltage v o sat i o = 500ma 1.0 1.3 v hall input sensitivity v hn including offset and hysteresis 6 12 mv hb output h voltage v hb h rh = 350 ? 1.1 1.3 1.5 v thermal protection trigger temperature tsd assured design target * 150 180 210 c * assured design target: target value, not measured individually. package dimensions unit : mm (typ) 3032b pin assignment 1 in + 2 hb + 3 in ? 4 out1 8 7 6 5 v cc ct out2 gnd LB1960M top view sanyo : mfp8(225mil) 14 85 5.0 0.63 6.4 0.15 0.35 1.27 (0.65) 4.4 (1.5) 1.7max 0.1 pd max -- ta -30 -20 0 20 40 60 80 100 85 0 800 600 400 200 312 ambient temperature, ta -- c allowable power dissipation, pd max -- mw specified board: 114.3 76.1 1.5mm 3 glass epoxy board.
LB1960M no.6191-3/4 block diagram 8 2 1 3 7 v cc h 4 6 5 out1 out2 gnd ct c1 0.1 to 1 f in + in ? l1 l2 hb + constant voltage output circuit constant current source thermal protection circuit control block truth table in - in + ct out1 out2 mode h l l h l h l h l rotating - - h off off lock-up protection activated
LB1960M ps no.6191-4/4 sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rate d values (such as maximum ra tings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-qual ity high-reliability products, however, any and all semiconductor products fail or malfunction with some probabi lity. it is possible that these probabilistic failures or malfunction could give rise to acci dents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or e vents cannot occur. such measures include but are not limited to protective circuits and error prevention c ircuits for safe design, redundant design, and structural design. upon using the technical information or products descri bed herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable f or any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. information (including circuit diagr ams and circuit parameters) herein is for example only; it is not guaranteed for volume production. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor c o.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities conc erned 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 in formation storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. application circuit example 5/12v power supply (3.8 to 18v) v cc h out1 out2 gnd ct 0.1 f in + in ? hb + rh on-board parts precautions ? if ct pin is connected to gnd, the lockup protection and restart functions are disabled. ? in a circuit configuration as shown above, a power suppl y/gnd reverse connection will cause a current to flow as follows: gnd out coil power supply. the value of this current is limited by the coil resistance. if it is less than 500ma, the ic will not be destroyed. if required, insert a diode between v cc and the coil. this catalog provides information as of december, 2008. specifications and inform ation herein are subject to change without notice.
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