1/6 rev. a structure : silicon monolithic integrated circuit product name : power control for portable cds device name : BH6584KV features : ? low power consumption ? low on resistance ? vqfp_48c package ? step-up dc/dc converter for microcomput ers (with a built-in switching tr) ? main step-up/step-down dc/dc converte r (with a built-in switching tr) ? sub step-up dc/dc converter (w ith a built-in switching tr) ? vg step-up circuit for driving power mos (with a built-in switching tr) ? ripple filter circuit ? step-down regulator circuit (2.9v/3.8v, 1.5v) ? reset circuit ? incorporating four channels of power mos h-bridge drivers ? supporting digital input ? direct pwm driving method { absolute maximum ratings (ta=25 c) parameter symbol limits unit h-bridge power supply voltage pvcc 7 v battery power supply voltage pvcc0,pvcc1 7 v power supply voltage for microcomputer vmc 7 v power supply voltage for core regout 7 v system power supply voltage svcc 7 v sub power supply voltage vsub 7 v ac adaptor power supply voltage pvcc2 7 v pre driver power supply voltage vg 7 v dsw, usw output current io 3 *1 a power dissipation pd 1180 *2 mw operating temperature range topr -30 to 85 c storage temperature range tstg -55 to 150 c *1) maximum time period for applying voltage: 5m sec, interrupted current with duty1/10 or less *2) when mounted on the pcb board (glass/epoxy board with the size: 70 mm 70 mm, the thickness: 1.6 mm). over ta=25 c, derating at the rate of 9.5mw/ c. { recommended operating conditions parameter symbol min typ max unit h-bridge power supply voltage pvcc 1.5 2.4 4.5 v battery power supply voltage pvcc0,pvcc1 1.5 2.4 4.5 v power supply voltage for microcomputer vmc 2.0 2.5 4.5 v power supply voltage for core regout 1.4 1.5 1.6 v system power supply voltage svcc 2.0 2.5 4.5 v sub power supply voltage vsub 2.0 3.2 4.5 v ac adaptor power supply voltage pvcc2 2.0 4.5 6.5 v pre driver power supply voltage *3 vg 5.0 6.0 6.9 v ambient temperature ta -10 25 70 c *3) when supplied externally without using the built-in step-up circuit. this product has not been checked for the strategic materials (or service) defined in the foreign exchange and foreign trade control low of japan so that a verification work is required before exporting it. not designed for radiation resistance.
2/6 rev. a { electric characteristics (pvcc1=2.4v, svcc=vmc=2.5v, vsub=3.2v, vg=6v, ta=25 c, unless otherwise noted.) parameter symbol min typ max unit condition pvcc0+pvcc1+pvcc standby current ipvcc 01st - 100 170 ua svcc=vsub=0v, vmc=3v vmc standby current ivmcst - 23 50 ua svcc=vsub=0v, vmc=3v vg standby current ivgst - - 3 ua svcc=vsub=0v, vmc=3v pvcc0 + pvcc1 consumption current ipvcc01 - 0.7 1.3 ma pvcc2 consumption current ipvcc2 - 0.9 1.7 ma pvcc2=5v svcc consumption current isvcc - 1.8 2.7 ma vsub consumption current ivsub - 0.1 0.2 ma lmc terminal leak current imclk - - 3 ua lmc=6v, svcc=vsub=0v vg consumption current iv g - 0.14 0.3 ma fclk=88.2khz lg terminal leak current i lglk - - 3 ua lg=6v, svcc=vsub=0v output on resistance ron - 1.8 2.8 ? sum of on resistances (top + bottom) h-level input voltage vih 1.75 - - v l-level input voltage vil - - 0.75 v trise - 65 300 nsec output propagation delay time tfall - 40 300 nsec output propagation delay time difference ? trf -50 25 200 nsec trise-tfall minimum input pulse width tmin -150 - - nsec output pulse width 1/2tmin or above monitor terminal voltage 1 vmon1 1.1 1.2 1.3 v monitor terminal voltage 2 vmon2 1.4 1.55 1.7 v svcc=1.5v, pvcc1=4.5v svcc terminal threshold voltage svccth 2.43 2.50 2.57 v eo terminal output voltage h veoth 1.1 1.3 - v ieo=100 a eo terminal output voltage l veol - - 0.4 v ieo=60 a vsub terminal threshold voltage vsubth 3.00 3.20 3.40 v fclk=88.2khz sprt terminal voltage (normal) vsprtin - - 0.2 v sprt terminal current 1 eo = h isprt1 4 6 9 ua sprt terminal current 2 overcurr ent isprt2 8 12 18 ua pvcc2=6.8v sprt terminal current 3 overcurrent a t ground fault isprt3 1 2.5 4 ua svcc=0v sprt terminal impedance rsprt 240 320 400 k ? sprt terminal threshold voltage vsprtth 0.4 0.5 0.6 v sprt terminal threshold voltage a t ground fault vsprtth2 0.2 0.35 0.5 v svcc=0v overvoltage protection detection voltage vhvpr 6.2 6.5 6.8 v soft terminal output voltage vsoft 1.5 2 2.5 v soft terminal current isoft 7 10 13 ua soft terminal impedance rsoft 180 220 280 k ? start terminal on threshold voltage vstath1 - - 0.3 v start terminal off threshold voltage vstath2 1.0 - - v start terminal bias current istart 51 61 77 ua start=2.5v clk terminal threshold voltage h vclkthh 1.5 - - v fclk=88.2khz clk terminal threshold voltage l vclkyhl - - 0.5 v fclk=88.2khz clk terminal bias current vclk 11 18 25 ua vclk=2.5v
3/6 rev. a parameter symbol min typ max unit condition dsw terminal on resistance h rdswh - 0.6 1.0 ? idsw=500ma dsw terminal on resistance l rdswl - 0.6 1.0 ? idsw=-500ma usw terminal on resistance h ruswh iusw=500ma usw terminal on resistance l ruswl - 0.6 1.0 ? ssw terminal on resistance h rsswh issw=100ma ssw terminal on resistance l rsswl - 2 3.3 ? dsw terminal leak current h idsw lkh - - 3 ua start=2.5v, dsw=0v dsw terminal leak current l idsw lkl -3 - - ua start=2.5v, dsw=2.4v usw terminal leak current h iusw lkl - - 3 ua start=2.5v, usw=0v usw terminal leak current l iusw lkl -3 - - ua start=2.5v, ssw=0v ssw terminal leak current h issw lkh - - 3 ua start=2.5v, ssw=3.2v ssw terminal leak current l isswlkl -3 - - ua lmc terminal oscillation freque ncy flmc 70 105 140 khz lmc=2.2v lmc terminal output voltage l vllmc - 0.1 0.2 v lmc=2.2v vmc terminal threshold voltage vvmcth 2.12 2.30 2.48 v lmc=2.3v vmc=2.3 3v vmc terminal threshold hysteresis voltage vvmchys 30 60 100 mv lmc=2.2v vmc=vvmcth 2v svcc-vmc on resistance rvmcsv - 8 15 ? ivmc=50ma lmcsw terminal on threshold voltage vlmswon 1.5 - - v (turn off the step-up converter oscillation circuit for microcomputer) lmcsw terminal off threshold voltage vlmswoff - - 0.5 v (turn on the step-up converter oscillation circuit for microcomputer) lg terminal oscillation frequency flg 75 100 125 khz vg=lg=5v lg terminal maximum pulse duty tlgmin 72 80 88 % vg=lg=5v lg terminal minimum puls e width dlgmin 0.1 - 0.5 usec lg=1v, vg=5 7v lg terminal output voltage l vlgl - 0.1 0.2 v vg=lg=5v vg terminal starter detection voltage vvgstth 3.1 3.6 4.1 v vg=3 4.5v vg terminal starter detection hysteresis width vvghys 0.05 0.20 0.35 v vg=vvgstth 3v vg terminal threshold voltage vvgth 5.1 6.0 6.9 v vlg=5v, vg=5 7v dsw terminal oscillation frequenc y 1 fdsw1 46 58 70 khz eo=0.4v dsw terminal oscillation frequency 2 fdsw2 - 88.2 - khz eo=0.4v, fclk=88.2khz dsw terminal minimum pulse width tdswmin 0.01 - 0.5 usec eo=0.4v 0.7v fclk=88.2khz usw terminal oscillation fr equency 1 fusw1 46 58 70 khz usw terminal oscillati on frequency 2 fusw2 - 88.2 - khz fclk=88.2khz usw terminal maximum pulse du ty duswmax 65 73 81 % fclk=88.2khz usw terminal minimum pulse width tuswmin 0.01 - 0.5 usec eo=0.7 0.4v fclk=88.2khz ssw terminal oscillation fr equency 1 fssw1 46 58 70 khz ssw terminal oscillati on frequency 2 fssw2 - 88.2 - khz fclk=88.2khz usw terminal maximum pulse duty dsswmax 65 73 81 % fclk=88.2khz ssw terminal minimum pulse width tsswmin 0.01 - 2 usec up/down switching eo dead band width vuddead -80 -45 -10 mv eo=0.4 0.7v sweep fclk=88.2khz usw terminal starter frequency fuswsta 75 100 125 khz usw terminal starter duty duswsta 16 24 32 %
4/6 rev. a parameter symbol min typ max unit condition discharge reset voltage vdis 1.40 1.51 1.62 v starter normal switching voltage vstn 1.72 1.80 1.88 v normal starter switching voltage vnst 1.65 1.73 1.81 v starter normal switching hysteresis width vstnhis 40 70 110 mv vstn-vnst reset1 on voltage 1 vreson11 - - 0.4 v sprt=0.6v reset1 on voltage 2 vreson12 1.34 1.42 1.50 v lmcsw=?l? reset1 on voltage 3 vreson13 1.71 1.8 1.89 v lmcsw=?h? reset1 reset voltage voresoft1 1.99 2.1 2.21 v lmcsw=?l?, ?h? reset1 terminal output voltage voreset1 - - 0.4 v ireset1=50 a reset1 terminal leak current lkreset1 - - 3 ua a vcc-vsub voltage vrf 170 205 240 mv iavcc=5ma a vcc terminal on resistance ravcc - 3 10 ? iavcc=15ma, vcrp=3.2v crp terminal input resistance rcrp 16 21 25 k ? icrp=5 a, 10 a a vcc discharge current iavcc 1.7 2.5 4.0 ma vavcc=3.1v regulator output voltage 1 vreg1 3.6 3.8 4.0 v pvcc1=open, pvcc2=6v, vcnt=2.5v regulator output voltage 2 vreg2 2.7 2.9 3.1 v pvcc1=open, pvcc2=6v, vcnt=0.6v regb terminal output voltage voregb - - 1.7 v pvcc2=6v, ireg=10ma regb terminal leak cu rrent ilkregb - - 3 ua pvcc1=3.2v, pvcc2=6v, regb=6v regb terminal limit curr ent ilmregb 12 17 23 ma pvcc2=6v regb terminal current at ground fault idpregb - 100 300 ua pvcc1=0v, pvcc2=6v, regb=6v pnpsat limit voltage vsatlim 10 30 60 mv pvcc2=3.5v pvcc2 reduced-voltage mute on volt age vpvcc2lv - - 1.3 v pvcc2 specified pvcc2 reduced-voltage mute off voltage vpvcc2of 1.9 - - v pvcc2 specified vcnt terminal on threshold voltage vvcntth 1.5 - - v vcnt terminal off thres hold voltage vvcnoth - - 0.5 v vcnt terminal bias current h ivcnth 15 33 50 ua vcnt=2.5v vcnt terminal bias current l ivcntl - - 3 ua vcnt=0v regout output voltage vregout 1.4 1.6 1.6 v regout terminal on resistance rregout - - 20 ? iregout=50ma
5/6 rev. a { outline dimensions lot no. BH6584KV a (unit: mm) product number
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- 0 ( * $ - 0 ( * $ - 0 ( * $ - 0 ( * $ 3 & 4 & 5 0 4 $ 1 7 d d { application circuit diagram { pin description no. pin name description no. pin name description 1 lmc microcomputer power supply step-up coil driving terminal 25 vmon pvcc/2 monitor terminal 2 vg power mos driving circuit power supply terminal 26 pgnd2 power part ground 2 3 lg vg step-up coil driving terminal 27 out_1f ch1 forward output 4 avcc ripple filter output terminal 28 out_1r ch1 reverse output 5 vsub sub power supply terminal 29 out_2f ch2 forward output 6 ssw sub step-up coil driving terminal 30 out_2r ch2 reverse output 7 svcc control circuit power supply terminal 31 pvcc power part power supply input terminal 8 usw main step-up/step-down coil driving terminal 2 32 out_3f ch3 forward output 9 pgnd1 power part ground 1 33 out_3r ch3 reverse output 10 dsw main step-up/step-down coil driving terminal 1 34 out_4f ch4 forward output 11 pvcc1 battery power supply input terminal 1 35 out_4r ch4 reverse output 12 regb tr for regulator 1 driving terminal 36 pgnd3 power part ground 3 13 pvcc2 ac adaptor power supply input terminal 37 soft soft start setting terminal 14 pvcc0 battery power supply input terminal 0 38 sprt power off time constant setting terminal 15 clk dc/dc converter external clock input terminal 39 reset1 reset 1 detection output terminal 16 gnd pre part power supply ground 40 regout regulator 2 output terminal 17 in4p ch4 input terminal (polarity) 41 start dc/dc converter on/off terminal 18 in4s ch4 input terminal (signal) 42 lmcsw step-up converter for microcomputer oscillation circuit on/off terminal 19 in3f ch3 forward input terminal 43 ei step-up/step-down dc/dc converter error amp input terminal 20 in3r ch3 reverse input terminal 44 eo step-up/step-down dc/dc converter error amp output terminal 21 in2f ch2 forward input terminal 45 crp ripple filter smoothing capacitor connection terminal 22 in2r ch2 reverse input terminal 46 vcnt regulator voltage switching terminal 23 in1f ch1 forward input terminal 47 pgnd4 power part ground 4 24 in1r ch1 reverse input terminal 48 vmc power supply terminal for microcomputer
notes no technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of rohm co.,ltd. the contents described herein are subject to change without notice. the specifications for the product described in this document are for reference only. upon actual use, therefore, please request that specifications to be separately delivered. application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. rohm co.,ltd. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by rohm co., ltd. is granted to any such buyer. products listed in this document are no antiradiation design. appendix1-rev2.0 thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact your nearest sales office. rohm customer support system the americas / eupope / asia / japan contact us : webmaster@ rohm.co. jp www.rohm.com copyright ? 2007 rohm co.,ltd. the products listed in this document are designed to be used with ordinary electronic equipment or de vices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of which would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. it is our top priority to supply products with the utmost quality and reliability. however, there is always a chance of failure due to unexpected factors. therefore, please take into account the derating characteristics and allow for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in order to prevent possible accidents that may result in bodily harm or fire caused by component failure. rohm cannot be held responsible for any damages arising from the use of the products under conditions out of the range of the specifications or due to non-compliance with the notes specified in this catalog. 21, saiin mizosaki- cho, ukyo-ku, kyoto 615-8585, japan tel : +81-75-311-2121 fax : +81-75-315-0172 appendix
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