for further information contact your local stmicroelectronics sales office. january 2013 doc id 022836 rev 1 1/8 8 EVAL6230QR demonstration board mounting the l6230q three-phase brushless dc motor driver data brief features operating supply voltage from 8 to 52 v 2.8 a output peak current (1.4 a r.m.s. ) r ds(on) 0.73 typ. value @ t j = 25 c integrated fast freewheeling diodes operating frequency up to 100 khz non-dissipative overcurrent detection and protection cross conduction protection diagnostic output uncommitted comparator thermal shutdown undervoltage lockout description the l6230q is a dmos fully integrated three- phase motor driver with overcurrent protection, optimized for foc applications thanks to the independent current sensing. realized in bcd multipower technology, the l6230q features a non-dissipative overcurrent protection on the high-side power mosfets and thermal shutdown. an uncommitted comparator with open-drain output is available. www.st.com
board description EVAL6230QR 2/8 doc id 022836 rev 1 1 board description figure 1. EVAL6230QR connector description table 1. EVAL6230QR: electrical specifications (recommended values) parameter value supply voltage range (vs) 8 to 52 vdc output current rating (outx) up to 1.4 a r.m.s. switching frequency up to 100 khz input and enable voltage range 0 to + 5 v comparator input voltage range 0 to + 5 v l6230q thermal resistance junction-to-ambient 42 c/w
EVAL6230QR board description doc id 022836 rev 1 3/8 table 2. EVAL6230QR: pin connections name type function vs power supply power supply voltage pgnd ground power ground terminal vs_fb analog output supply voltage feedback (1/115 divider ratio) en logic input chip enable (active ?h?). when ?l? switches off all power dmos. in1 logic input logic input half-bridge 1 en1 logic input enable input half-bridge 1 in2 logic input logic input half-bridge 2 en2 logic input enable input half-bridge 2 in3 logic input logic input half-bridge 3 en3 logic input enable input half-bridge 3 diag open-drain output diagnostic pin. when ?l? signals an overcurrent or overtemperature event. cpout open-drain output open-drain output of internal comparator cp- analog input inverting input of internal comparator cp+ analog input non-inverting input of internal comparator sense1 analog output half-bridge 1 source pin sense2 analog output half-bridge 2 source pin sense3 analog output half-bridge 3 source pin out1 power output output half-bridge 1 out2 power output output half-bridge 2 out3 power output output half-bridge 3
schematic and bill of material EVAL6230QR 4/8 doc id 022836 rev 1 2 schematic and bill of material figure 2. EVAL6230QR schematic diagram ! - v 9 6 9 6 ( 1 ( 1 - 3 1 2 - 3 1 2 & 3 2 8 7 & 3 2 8 7 2 8 7 6 ( 1 6 ( 2 8 7 , 1 2 8 7 & 3 ( 1 & 3 2 8 7 6 ( 1 6 ( & 3 , 1 , 1 6 ( 1 6 ( ( 1 ( 1 ' , $ * ( 1 * 1 ' * 1 ' 9 % 2 2 7 9 6 % 1 & 1 & 9 6 $ 9 & 3 1 & ( 3 $ ' 1 & ( 3 $ ' 1 & ( 3 $ ' 1 & ( 3 $ ' 1 & ( 3 $ ' 1 & ( 3 $ ' 1 & ( 3 $ ' , 1 8 / 4 8 / 4 6 ( 1 6 ( 6 ( 1 6 ( & q ) & q ) 5 n 5 n ' , $ * ' , $ * 5 : 5 : 6 ( 1 6 ( 6 ( 1 6 ( 5 n 5 n 5 n 5 n 5 n 5 n 5 n 5 n & 3 & 3 5 n 5 n , 1 , 1 5 n 5 n & 3 & 3 2 8 7 2 8 7 ( 1 ( 1 - 3 1 2 - 3 1 2 5 n 5 n & q ) 9 & q ) 9 & q ) 9 & q ) 9 5 n 5 n ' % d w 6 : ' % d w 6 : ( 1 ( 1 & q ) 9 & q ) 9 , 1 , 1 2 8 7 2 8 7 5 : 5 : 9 6 b ) % 9 6 b ) % 5 n 5 n , 1 , 1 3 * 1 ' 3 * 1 ' & x ) 9 & x ) 9 2 8 7 2 8 7 5 : 5 : 5 n 5 n 6 ( 1 6 ( 6 ( 1 6 ( ( 1 ( 1 9 6 9 6
EVAL6230QR schematic and bill of material doc id 022836 rev 1 5/8 figure 3. EVAL6230QR component placement table 3. EVAL6230QR part list part reference part value part description c1 220 nf/100 v capacitor c2 100 f/63 v capacitor c3 10 nf/25 v capacitor c4 220 nf/25 v capacitor c5 5.6 nf capacitor d1 bat46sw diodes r1 to r8 100 k 5 % 0.25 w resistor r9, r10, r11 0.47 - 0.5 w resistor r12, r13 470 k 5 % 0.25 w resistor r14 8.2 k 5 % 0.25 w resistor u1 l6230q three-phase bldc motor driver in vfqfpn5x5 31 mm 32 mm am16556v1
schematic and bill of material EVAL6230QR 6/8 doc id 022836 rev 1 figure 4. EVAL6230QR top layer layout figure 5. bottom layer layout
EVAL6230QR revision history doc id 022836 rev 1 7/8 3 revision history table 4. document revision history date revision changes 15-jan-2013 1 initial release.
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