july 29, 2011 www.clare.com 1 rohs 2002/95/ec e 3 pb features ? full bridge gate driver ? internal high voltage level shift function ? negative 550v lamp supply voltage ? 3v to 12v cmos logic compatible ? 8v to 12v input supply voltage ? no external bootstrap capacitors needed applications ? commutator for high intensity discharge lamps ? vehicle head lamps ? outdoor/street lighting ? multimedia projectors ? retail accent lighting ? warehouse lighting description built on clare?s high voltage integrated circuit (hvic) technology, the mx6895 combines high-side and low-side n-channel power mosfet drivers in a full bridge configuration. the circ uit is optimally configured to be used as a commutator for high intensity discharge (hid) lamps. ordering information functional block diagram and ty pical application circuit part description mx6895be soic-16 tube (49/tube) MX6895BETR soic-16 tape & reel (2500/reel) g2 g1 a1 a2 g4 g3 v pp ina inb gate drivers control logic 250 250 250 250 igniter v dd ina inb 8 7 6 16 1 14 13 2 4 11 9 v dd +10v v pp gnd -550vdc m1 m2 m3 m4 v z =18v v z =18v v z =18v v z =18v mx6895 -550v full bridge gate driver
mx6895 2 www.clare.com july 29, 2011 1. specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 package pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 pin description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.4 thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.5 recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.6 dc electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.7 ac electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2. functional block diagram and truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3. input / output switching waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4. manufacturing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.1 moisture sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.2 esd sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.3 reflow profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.4 mechanical dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
mx6895 july 29, 2011 www.clare.com 3 1 specifications 1.1 package pinout esd warning: esd (electrostatic discharge) sensitive device. although the mx6895 features proprietary esd protection circuitry, permanent damage may be sustained if it is subjected to high energy electrostatic discharges. proper esd precautions are recommended to avoid performance degradation or loss of functionality. note: the exposed thermal pad of the device package must be connected to gnd (ground). 1.2 pin description 1.3 absolute maximum ratings absolute maximum electrical ratings are at 25c. voltages with respect to gnd=0v. absolute maximum ratings are stress ratings. stresses in excess of these ratings can cause permanent damage to the device. functional operation of the device at conditions beyond those indicated in the operational sections of this data sheet is not implied. 16 - gnd 9 - v pp 15 - nc 14 - g1 13 - a1 12 - nc 11 - g3 10 - nc 1 - g2 8 - v dd 2 - a2 3 - nc 4 - g4 5 - nc 6 - inb 7 - ina pin# name description 1g2 high-side gate driver 2 output 2a2 high-side gate driver 2 floating dc power return 3nc no connection 4g4 low-side gate driver 4 output 5nc no connection 6inb control input for high-side driver 2 and low-side driver 3 7ina control input for high-side driver 1 and low-side driver 4 8 v dd logic power supply 9 v pp high-voltage negative lamp supply 10 nc no connection 11 g3 low-side gate driver 3 output 12 nc no connection 13 a1 high-side gate driver 1 floating dc power return 14 g1 high-side gate driver 1 output 15 nc no connection 16 gnd ground parameter symbol min typ max units power supply voltage range v dd -0.3 - 15 v lamp supply voltage, max v pp ---550v input voltage v ina , v inb -0.3 - v dd +0.3 v gate driver output voltage v g1 -v a1 v g2 -v a2 v g3 -v pp v g4 -v pp -0.3 - 20 v power dissipation p d --2.9w operating junction temperature t j --150c input capacitance of external power transistors c iss(load) 0.4 - 1.5 nf storage temperature t stg -50 - 150 c
mx6895 4 www.clare.com july 29, 2011 1.4 thermal characteristics 1 4-layer pcb 1.5 recommended operating conditions 1.6 dc electrical characteristics parameter symbol minimum typical maximum unit thermal resistance, junction-to-ambient 1 r ? ja -42-c/w parameter symbol min typ max units power supply voltage v dd 81012 v lamp supply voltage v pp -50 - -550 v logic input voltage, high v inah , v inbh 2.5 v dd v dd v logic input voltage, low v inal , v inbl 000.5v ambient temperature t a -40 - 105 c parameter conditions symbol min typ max units power supply current v dd =10v, v pp = -85v, v ina =v dd , v inb =v dd i dd -12ma power supply current v dd =10v, v pp = -85v, v ina =v dd , v inb =v dd i pp -0.82ma power supply current v dd =10v, v pp = -85v, v ina =2.5v, v inb =2.5v i dd -1.54ma high input current v inah =10v, v inbh =10v i inah , i inbh --10 ? a low input current v inal =0v, v inbl =0v i inal , i inbl --10 ? a high-side gate driver output voltage v dd =8v, v pp = -85v, v a1 =v a2 =0v (v g1 -v a1 ), (v g2 -v a2 ) 7-8v high-side gate driver output voltage v dd =10v, v pp = -85v, v a1 =v a2 =0v (v g1 -v a1 ), (v g2 -v a2 ) 9-10v low-side gate driver output voltage v dd =8v to 10v, v pp = -85v (v g3 -v pp ), (v g4 -v pp ) 71618v high-side gate driver output source current v dd =10v, v pp = -85v, v a1 =v a2 =0v, v g1 -v a1 =0v, v g2 -v a2 =0v (i g1 , i g2) --3.9-ma low-side gate driver output source current v dd =8v to 10v, v pp = -85v, v g3 -v pp =0v, v g4 -v pp =0v (i g3 , i g4 ) --14-ma
mx6895 july 29, 2011 www.clare.com 5 1.7 ac electrical characteristics test conditions: v dd =10v, v pp =-85v, v a1 =v a2 =0v, t a =25 unless otherwise specified. notes: 1. v out is the voltage on c load at the defined time. 2. v out = v g1 -v a1 , or v out = v g2 -v a2 , or v out = v g3 -v pp , or v out = v g4 -v pp figure 1. ac test circuit figure 2. ac switching waveforms parameter conditions symbol minimum typical maximum units operating frequency - f op -0.5- khz high-side on time @ v out =5v c load =1nf, r s =0 ? t onh -3.48- ? s c load =1nf, r s =250 ? -3.77- high-side off time @ v out =2v c load =1nf, r s =0 ? t offh -0.31- ? s c load =1nf, r s =250 ? -0.66- low-side on time @ v out =5v c load =1nf, r s =0 ? t onl -2.46- ? s c load =1nf, r s =250 ? -2.44- low-side off time @ v out =2v c load =1nf, r s =0 ? t offl -0.29- ? s c load =1nf, r s =250 ? -0.76- 16 8 7 6 1 14 13 2 4 11 9 mx6895 gnd g2 g1 a1 a2 g4 g3 v pp v dd ina inb r s r s r s r s cl cl cl cl v g1 -v a1 v a1 v g2 -v a2 v a2 v pp v g4 -v pp v g3 -v pp t o n t off 5 v high lo w v g1 - v a1 v g2 - v a2 v g3 - v pp v g4 - v pp t t 2 v c load =1nf
mx6895 6 www.clare.com july 29, 2011 2 functional block diag ram and truth table mx6895 co n trol logic v pp g4 g3 a2 g2 a1 g1 v dd g n d i n b i n a ina inb g1 - a1 g2 - a2 g3 - v pp g4 - v pp low low low low low low high low high low low high low high low high high low high high low low low low
mx6895 july 29, 2011 www.clare.com 7 3 input / output switching waveforms v ina high low v inb high low v g1 -a1 v g4 -v pp v g2 -a2 v g3 -v pp t t t t t dead t on t off
mx6895 8 www.clare.com july 29, 2011 4 manufacturing information 4.1 moisture sensitivity all plastic encapsulated se miconductor packages are susceptible to moisture ingression. clare classified all of its plastic encapsulated device s for moisture sensitivity according to the latest version of the joint industry standard, ipc/jedec j-std-020 , in force at the time of product evaluation. we test all of our products to the maximum conditions set forth in the standard, and guarantee proper operation of our devices when handled according to the limitations and informat ion in that standard as well as to any limitations set forth in the information or standards referenced below. failure to adhere to the warnings or limitations as establ ished by the listed specificati ons could result in reduced product performance, reduction of operable life, and/or reduction of overall reliability. this product carries a moisture sensitivity level (msl) rating as shown below, and should be handled according to the requirements of the latest version of the joint industry standard ipc/jedec j-std-033 . 4.2 esd sensitivity this product is esd sensitive , and should be handled according to the industry standard jesd-625 . 4.3 reflow profile this product has a maximum body temperature and time rating as shown below. all other guidelines of j-std-020 must be observed. device moisture sensitivity level (msl) rating mx6895be msl 1 device maximum temperature x time mx6895be 260c for 30 seconds rohs 2002/95/ec e 3 pb
mx6895 july 29, 2011 www.clare.com 9 4.4 mechanical dimensions 4.4.1 16-pin soic package 4.4.2 tape & reel packaging for 16-pin soic package 5. 8 9 min / 6.19 max (0.232 min / 0.244 max) 3.91 0.10 (0.154 0.004) pi n 16 pi n 1 9.90 0.10 (0.390 0.004) 0.0762 0.050 8 (0.003 0.002) 1.27 typ. (0.05 typ.) 0.36 min / 0.4 8 max (0.014 min / 0.019 max) 1.27 min / 1.42 max (0.050 min / 0.056 max) 1.35 min / 1.75 max (0.053 min / 0.069 max) 0.3 8 0.10 (0.015 0.004) 0.1 8 min / 0.25 max (0.007 min / 0.010 max) 0.51 min / 0. 8 12 max (0.020 min / 0.032 max) 0o - 8 o dime n sio n s mm (inches) 5.40 (0.213) 0.60 (0.024) 1.55 (0.061) 1.27 (0.05) 2.75 (0.10 8 ) 2.25 (0.0 8 9) 2.159 0.127 (0.0 8 5 0.005) 2.667 0.127 (0.105 0.005) 1.09 0.10 (0.043 0.004) recommended pcb land pattern notes: (i) meas u red from centerline of sprocket hole to centerline of pocket. (ii) c u m u lati v e tolerance of ten (10) sprocket holes is 0.20mm. (iii) material: cond u cti v e polystyrene. other material a v aila b le. em b ossment em b ossed carrier dimensions mm (inches) 4.0 0.1 (0.157 0.004) 2.0 0.1 (0.079 0.004) 1.75 0.1 (0.069 0.004) ?1.55 0.05 (0.061 0.002) ?1.6 0.1 (0.063 0.004) r 0.3 typ. (0.012 typ.) p 1 = 8 .0 0.1 (0.315 0.004) a 0 =6.5 0.1 (0.256 0.004) 7.5 0.1 (0.295 0.004) w =16.00 0.3 (0.63 0.012) 0.30 0.05 (0.012 0.002) k 0 =2.10 0.10 (0.0 8 3 0.004) b0=10.3 0.1 (0.406 0.004) a a section a-a 330.2 dia (13.00 dia) to p c o v er tape thickness 0.066 max (0.0026 max) see n ote i see n ote ii see n ote i for additional information please vi sit our website at: www.clare.com clare, inc. makes no representations or warranties with respect to the accuracy or completeness of the contents of this publica tion and reserves the right to make changes to specifications and product descriptions at any time without notice. neither circuit patent licenses nor indemnity are expressed or implied. except as set forth in clare?s standard terms and conditions of sale, clare, inc. assumes no liability whatsoever, and disclaims any express or implied warranty, relating to its products including, but not limited to, the implied warranty of merchantability, fitness for a particular purpose, or infringement of any intellectual property right. the products described in this document are not designed, intended, authorized or warranted for use as components in systems in tended for surgical implant into the body, or in other applications intended to support or sustain life, or where malfunction of clare?s product may result in direct physical harm, i njury, or death to a person or severe property or environmental damage. clare, inc. reserves the right to discontinue or ma ke changes to its products at any time without notice. specification: ds-mx6895-20110729 ?copyright 2011, clare, inc. all rights reserved. printed in usa. 7/29/2011
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