apex microtechnology corporation ? telephone (520) 690-8600 ? fax (520) 888-3329 ? orders (520) 690-8601 ? email prodlit@apexmicrotech.com 1 preliminary introduction the EK62 evaluation kit is designed to provide a convenient way to breadboard design ideas for the sa305ex three ? bldc motor driver ic. the pb119 evaluation board is pre-wired for all required and recommended external components including the ones for power supply bypassing and current sensing. the pb119 also includes a breadboard area for constructing your application circuit. parts list ref apex p/n description/vendor qty n/a hs14 heat sink 1 029372326215 sip socket 1 loranger n/a pb119 pc board 1 many 571-0100 banana jack 22 deltron c1, c4 ox7r105kwn 1 f cap 2 novacap 1825b105k201n c2, c5 140-esrl100v100 100 f cap, 2 xicon n/a tw12 thermal washer, apex 1 box n/a 91920a865 standoffs 4 mcmaster-carr recommended components (included in ek kit) d1-d6 sb5100-t diode, 100v, 5a 6 schematic ) 5 5 1 8 8 8 " 1 & 9 . * $ 3 0 5 & $ ) $ 0 .
" 1 & 9
m i c r o t e c h n o l o g y & 7 " - 6 " 5 * 0 / , * 5 ' 0 3 4 " & 9 1 ) " 4 & # - % $ . 0 5 0 3 % 3 * 7 & 3 EK62 assembly 1. solder surface mount ceramic capacitors c1 and c4 on the component side of the board. 2. solder the sip socket into the board. insert the ic fully into the socket, noting the pin 1 location on the ic and the circuit board. 3. add 3 resistors for current sense. refer to sa305u data - sheet for acceptable values and power dissipation ratings of current sense resistors. 4. install the banana jacks for signals and power. please note that the banana jacks need to be installed on both sides of the board as shown in fgure (only for low voltage signals and vdd on the bottom end of the board). 5. mount the electrolytic capacitors c2 and c5 in the specifed location in the board. 6. solder the diodes d1-d6 provided with the kit for high cur - rent applications. 7. mount the standoffs in the four holes provided in the board. 8. if a heat sink is used, position the thermal washer behind the package tab of the ic in such a way that the hole on the washer coincides with the hole on the tab and the heat sink. attach the ic to the heat sink in such a way that the pins hang out of the heat sink. in the pc board remove the two standoffs on the top of the board. carefully insert the part with the heat sink into the socket.
apex microtechnology corporation ? 5980 north shannon road ? tucson, arizona 85741 ? usa ? applications hotline: 1 (800) 546-2739 2 pcb layout EK62 pcb layout this data sheet has been carefully checked and is believed to be reliable, however, no responsibility is assumed for possible inaccuracies or omissions. all specifcations are subject to change without notice. EK62u rev 1 february 2006 ? 2006 apex microtechnology corp. 5 0 1 7 * & 8 # 0 5 5 0 . 7 * & 8 preliminary
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