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. 62707 ms im / 80906 / 13006 mh im / o3098rm (ot) no.5974-1/7 lb1980h overview the lb1980jh is a 3-phase brushless motor driver that is particularly appropriate fo r vcr capstan motor drivers. functions ? 3-phase full-wave drive ? built-in torque ripple correction circuit (variable correction ratio) ? current limiter circuit ? upper and lower side output stage over-saturation prevention circuit that does not require external capacitors. ? fg amplifier ? thermal shutdown circuit specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit v cc max 7v maximum supply voltage v s max 24 v maximum output current i o max 1.3 a mounted on a board * 1.81 w allowable power dissipation pd max independent ic 0.77 w operating temperature topr -20 to 75 c storage temperature tstg -55 to +150 c * mounted on a 76.1mm 114.3mm 1.6mm, glass epoxy printed circuit board. monolithic digital ic for vcr capstan motors 3-phase brushless motor driver orderin g numbe r : en5974b
lb1980h no.5974-2/7 allowable operating ranges at ta = 25 c parameter symbol conditions ratings unit v s 5 to 22 v supply voltage v cc 4.5 to 5.5 v hall input amplitude v hall between the hall inputs 30 to 80 mvo-p gsense pin input range v gsense with respect to the control system ground -0.20 to +0.20 v electrical characteristics at ta = 25 c, v cc = 5v,v s = 15v ratings parameter symbol conditions min typ max unit v cc supply current i cc r l = , v ctl =0v, v lim =0v (quiescent) 12 18 ma outputs vo sat1 i o =500ma, rf=0.5 ? , sink+source v ctl =v lim =5v(with saturation prevention) 2.1 2.6 v output saturation voltage vo sat2 i o =1.0ma, rf=0.5 ? , sink+source v ctl =v lim =5v(with saturation prevention) 2.6 3.5 v output leakage current i o leak 1.0 ma fr fr pin input threshold voltage v fsr 2.25 2.50 2.75 v fr pin input bias current i b (fsr) -5.0 ma control ctlref pin voltage v cref 2.05 2.15 2.25 v ctlref pin input range v crefin 1.50 3.50 v ctl pin input bias current i b (ctl) with v ctl =5v and the ctlref pin open 4.0 a ctl pin control start voltage v ctl (st) with rf=0.5 ? , v lim =5v, i o 10ma, hall input logic fixed (u, v, w=h, h, l) 2.00 2.15 2.30 v ctl pin control gm gm(ctl) with rf=0.5 ? , ? i o =200ma, hall input logic fixed (u, v, w=h, h, l) 0.46 0.58 0.70 a / v current limiter lim current limit offset vo ltage voff(lim) with rf=0.5 ? , v ctl =5v, i o 10ma, hall input logic fixed (u, v, w=h, h, l) 140 200 260 mv lim pin input bias current i b (lim) with v ctl =5v and the v cref pin open -2.5 a lim pin current control level i lim with rf=0.5 ? , v ctl =5v, v lim =2.06v hall input logic fixed (u, v, w=h, h, l) 830 900 970 ma hall amplifier hall amplifier input offset voltage voff(hall) -6 +6 ma hall amplifier input bias current i b (hall) 1.0 3.0 a hall amplifier common-mode input voltage range v cm (hall) 1.3 3.3 v trc torque ripple correction ratio trc for the high and low peaks in the rf waveform when i o =200ma. (rf=0.5 ? , with the adj pin open) *1 9 % adj pin voltage v adj 2.37 2.50 2.63 v fg amplifier fg amplifier input offset voltage voff(fg) -8 +8 mv fg amplifier input bias current i b (fg) -100 na fg amplifier output saturation voltage v o sat (fg) sink side, for the load provided by the internal pull-up resistor 0.5 v fg amplifier voltage gain v g (fg) for the open loop state with f=10khz 41.5 44.5 47.5 db fg amplifier common-mode input voltage v gm (fg) 0.5 4.0 v saturation saturation prevention circuit lower side voltage setting vo sat(det) the voltages between each out and rf pair when i o =10ma, rf=0.5 ? , and v ctl =v lim =5v 0.175 0.25 0.325 v tsd tsd operating temperature tsd design target value *2 180 c hysteresis width ? tsd design target value *2 20 c notes : *1. the torque ripple correction ratio is deter mined as follows from the rf voltage waveform. *2. parameters that are indicated as design target values in the conditions column are not tested.
lb1980h no.5974-3/7 for each hall logic setting v p v b ground level correction ratio = 25 ( v p -- v b ) 1005(%) v p -- v b package dimensions unit : mm (typ) 3233b pin assignment sanyo : hsop28h(375mil) 15.2 (6.2) 0.3 7.9 (4.9) 10.5 2.7 0.8 2.0 (0.8) 1 14 15 28 0.65 0.25 2.45max 0.1 (2.25) heat spreader w out nc nc rf(sense) gsense fr gnd fg in - fg in + fg out ctl ctlref lim fc v out u out nc nc rf(pwr) adj vs v cc w in - w in + v in - v in + u in - u in + frame gnd frame gnd lb1980h 28 27 26 25 24 23 22 1234 567 8 9 10 11 12 13 14 21 20 19 18 17 16 15 top view 0 ambient temperature, ta -- c allowable power dissipation, pd max -- w ilb01757 0.4 0.8 1.2 1.6 1.81 0.77 2.0 -20 0 20 40 60 80 100 pd max -- ta independent ic 0.108 0.46 mounted on a 76.1mm 114.3mm 1.6 mm glass epoxy printed circuit board 75
lb1980h no.5974-4/7 u u in + u in - v v in + v in - w w in + w in - about 0.435v cc limref ctl ctlref lim fr gnd v cc differential distribution and torque ripple correction block upper side saturation prevention control feedback amplifier fg amplifier bandgap 1.2v reference voltage control amplifier forward / reverse selection drive distribution circuit and lower side saturation prevention circuit w gm gm v u v out u out v s output stage w out rf(pwr) adj gsense fg in - fg in + fg out rf(sense) antilogarithm conversion and differential distribution tsd fc + + + + + + + + + + 24 1 28 27 14 15 16 17 18 19 20 11 12 13 7 10 9 8 23 4 5 21 6 22 hall input synthesis block (linear matrix) synthesized output logarithmic compression block block diagram
lb1980h no.5974-5/7 pin function pin no . pin name function equivalent circuit 27 28 1 u out v out w out u phase output, spark killer diodes are built-in. v phase output, spark killer diodes are built-in. w phase output, spark killer diodes are built-in. 4 5 rf (sense) rf (pwr) output current detection. the control block current limiter operates using the resistor rf connected between these pins and ground. also, the lower side saturation prevention circuit and the torque ripple correction circuit operate based on the voltages ac ross this resistor. it is especially important to note that, since the saturation prevention level is set using this voltage, the lower side saturation prevention circuit will become less effective in the high current region if the value of rf is lowered excessively. also, the pwr and sense pins must be connected together. 22 v s output block power supply 150 a v s v cc out rf (pwr) rf (sense) 30k ? 200 ? 200 ? lower side saturation prevention circuit input block 10 a v cc 22 1 28 27 24 4 5 gsense ground sensing. the in fluence of the common ground impedance on rf can be excluded by connecting this pin to nearest ground for the rf resistor side of the motor ground wiring that includes rf. (this pin must not be left open.) 6 fr forward / reverse selection. the voltage applied to this pin selects the motor direction (forward or reverse). (vth=2.5v at v cc =5v (typical)) 23 adj used for external adjustment of the torque ripple correction ratio. apply a voltage externally with a low-impedance circuit to the adj pin to adjust the correction ratio. the correction ratio falls as the applied voltage is increased, and increases as the applied voltage decreases. the torque ripple correction ratio can be modified by factors in the range 0 to 2 times the ratio that applies when his pin is left open. (the pin voltage is set to about v cc / 2 internally, and the input impedance is about 5k ? .) 200 a v cc v cc v cc v cc fr 200 ? 1/2 v cc 10k ? 10k ? 6k ? 6k ? 500 ? 10k ? 10k ? adj 20 a 6 23 7 gnd ground for all circuits other than the output transistors. the lowest potential of the out put transistors is that of the rf pin. 8 fg in - input used when the fg amplifier is used as an inverting input. a feedback resistor must be connected between fg out and this pin. 9 fg in + non-inverting input used when the fg amplifier is used as a differential input amplifier. no bias is applied internally. 5 a v cc 300 ? fg in ( + ) fg in ( ? ) 300 ? 8 9 10 fg out fg amplifier output. there is an internal resistive load. 14 fc speed control loop frequency characteristics correction. v cc v cc fc 10k ? 2k ? v cc fg out 300 ? 14 10 continued on next page.
lb1980h no.5974-6/7 i out i out v lim =5v ctlref: open gm1=0.58a / v typ 2.10v typ control characteristics v ctl 012345 v ctl =5v ctlref: open control limiter characteristics v lim 01 2 34 200ma / v typ slope: 0.50a / v typ continued from preceding page. pin no . pin name function equivalent circuit 11 ctl speed control input. the control implemented is fixed current drive controlled by current feedback from rf. gm=0.58 / v (typical) when rf=0.5w 12 ctlref control reference voltage. while this pin is set to about 0.43 v cc internally, this voltage can be modified by applying a voltage from a low-impedance circuit. (the input impedance is about 4.3k ? ). 13 lim current limiter function cont rol. the output current can be varied linearly by applying a voltage to this pin. the slope is 0.5a / v (typical) when rf=0.5 ? . ctl ctlref v cc v cc v cc 7.5k ? 10k ? 200 ? 200 ? lim 200 ? 100 a 200 a max 11 13 12 15 16 17 18 19 20 u in + u in - v in + v in - w in + w in - u phase hall element inputs. logic high is defined as states where in + >in - . v phase hall element inputs. logic high is defined as states where in + >in - . w phase hall element inputs. logic high is defined as states where in + >in - . 200 ? 100 a 200 ? (+) input 19 17 15 (--) inpu t 20 18 16 21 v cc power supply for all internal blocks other than the output block. this voltage must be stabilized so that noise and ripple do not enter the ic. truth table and control functions hall input source sink u v w fr phase v phase w h 1 phase w phase v h h l l phase u phase w h 2 phase w phase u h l l l phase u phase v h 3 phase v phase u h l h l phase w phase v h 4 phase v phase w l l h l phase w phase u h 5 phase u phase w l h h l phase v phase u h 6 phase u phase v l h l l note: since the drive technique adopted is a 180 technique, phases other than the si nk and source phase do not turn off. control function and current limiter function note: in the fr column, ?h? refers to a voltage of 2.75v or higher, and ?l? refers to 2.25v or lower (when vcc=5v.) note: in the hall input column, ?h? refers to the state in the corresponding phase where the +input is at a potential at least 0.01v higher than the -input, and ?l? refers to the state where the -input is at a potential at least 0.01v higher than the +input.
lb1980h ps no.5974-7/7 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 this catalog provides information as of june, 2007. specifications and information herein are subject to change without notice. w out nc nc rf(sense) gsense fr gnd fg in - fg in + fg out ctl ctlref lim fc v out u out nc nc rf(pwr) adj vs v cc w in - w in + v in - v in + u in - u in + frame gnd frame gnd lb1980h 28 27 26 25 24 23 22 1234 567 8 9 10 11 12 13 14 21 20 19 18 17 16 15 0.1 f 0.1 f 0.1 f l hall output hall output hall output gaas hall devices are recommended. l l v cc 0.5 ? power system ground v s voltage applied to the adj pin v cc current limiter setting voltage pin ctlref voltage pin torque command voltage pin forward / reverse command voltage pin v cc / 2 bias mr 0.1 f 75k ? 1k ? 0.1 f hall input r
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