SCHEMATIC X4.1 X4.2 SPD VDD J6 PWM_OC PWM LED1 GND VSS PWM GND. PWM_Loc. GND 10u BS170G. STRn TP7 TP6 TP8 TP5 SCK SDI SDO SPD. STRn GND GND SPD.

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1 A9 SCHEMATIC Allegro Microsystems Inc Worcester MA 010 USA DATE: PCB: 17th Jul 01 EDC AUTHOR: Yi Li SHEET: 1 of 1 REV: SIZE: A. TITLE: D A9 Demonstration Board Rev D X.1 X. X. X. X. X. FTDI Cable R R7 R8 R R U PIC1F180 MCLR/RA RA J8 R 1W 0R0 R 1W 0R0 RA RA0 C R1 10k C 1 RA RA1 EN1 B C A 9 VDD VSS CSM 10 CSM LSS A A C1 C C C C 100n 100n 100n + 0u + 0u LM9HVMA-.0/NOPB VBB J1 U J 0V 0V 0V 0V 0V OUT IN V R9 LSS X.1 C 10k + + C7 10u C8 VBB X1. 7u V 100n V X. 0V VBB VBB X1.1 U1 R1 R R R 10k FAULTn BC87B GHA 17 R 10R M1 M M (PMOS) SUD19P0-0 R 10k J GHA Q1 GHB 1 R7 10R GHB _Ext J R8 GHC 1 R10 10R D1 R9 GHC X. k 1N18 7k FAULTn J FAULTn FAULTn B SA B X. A9 SA 0 SA LED1 X. SB 19 SB X.1 SB SC 18 SC X. J _OC _Ext SC M7 GLA 1 R11 10R GLA X.1 GLB 1 R1 10R J7 GLB R1 STRn STRn GLC 1 R1 10R GLC C9 100n 10k SCK SCK M M M (NMOS) STD0NF0L R18 R19 R0 0V SDI SDI 10k 10k 10k SDO R1 R1 R17 SDO 11 CSP CSP _Loc BS170G STRn SCK SDI SDO TP7 TP TP8 TP VBB 1 FAULTn VBB GHA GHB GHC SA SB SC GLA GLB GLC CSP CSM TP TP TP TP1 TP17 TP1 TP1 TP0 TP19 TP18 TP1 TP1 TP1 TP11 TP10 A9-DB

2 LAYOUT Worcester, Massachusetts U.S.A ;

3 Worcester, Massachusetts U.S.A ;

4 Worcester, Massachusetts U.S.A ;

5 Worcester, Massachusetts U.S.A ;

6 BILL OF MATERIALS Designator Value Min Rating Tol Part Number Footprint Description Qty RS #1 Farnell #1 C1, C, C, C8, C9 100n 0V X7R \ SM : 080 Capacitor : Ceramic Chip C, C 0u 0V 0% UPM1H1MHD TH : 1.mm Dia, mm Pitch, 1mm H Capacitor : Alu Electrolytic Radial \ 8811 C 10u V 0% EEEFP1E100AR SM : Case B Capacitor : Alu Electrolytic SMT C7 7u V 0% \ TH : 8mm Dia,.mm Pitch Capacitor : Alu Electrolytic Radial D1 \ \ \ 1N18 TH : DO- Diode : Axial, 100V, 0.A EN1 \ \ \ EC1E1001 TH : mm Shaft Rotary Encoder : 1 det , \ \ \ \ TH : 1mm Pitch, 0swg Ground Bar : Tinned Copper Wire -0 \ J1, J, J, J, J, J, J8 \ \ \ \ TH : SIL,.mm Pitch, 1x Jumper Header : Male -pin \ J7 \ \ \ \ TH : SIL,.mm Pitch, 1x Jumper Header : Male -pin \ LED1 \ \ \ \ TH : mm (T-1 /),.mm Pitch LED : mm, Red M1, M, M \ \ \ SUD19P0-0 SM : TO- (DPAK) Mosfet : P Channel, 19A, 0V \ 101 M, M, M \ \ \ STD0NF0L SM : TO- (DPAK) Mosfet : N Channel, A, 0V M7 \ \ \ BS170G TH : TO-9 / TO- / SOT Mosfet : N Channel, 0.A, 0V MF1, MF, MF, MF \ \ \ \ SM : mm Dia,.-.8mm H Mount Foot : Adhesive Rubber PCB \ \ \ EDC FR, oz Cu, Layer PCB : A9 Demo Board 1 \ \ Q1 \ \ \ BC87B SM : SOT Transistor : PNP, V, 0.1A R1, R, R, R1, R1, R17, R 0.1W 1% \ SM : 080 Resistor : Ceramic Chip R, R, R1, R18, R19, R0, R1, R9 10k 0.1W 1% \ SM : 080 Resistor : Ceramic Chip \ R, R7, R10, R11, R1, R1 10R 0.1W 1% \ SM : 080 Resistor : Ceramic Chip R8 k 0.1W 1% \ SM : 080 Resistor : Ceramic Chip R9 7k 0.1W 1% \ SM : 080 Resistor : Ceramic Chip 1-01 \ R, R 0R0 1W 1% \ SM : 1 Resistor : Ceramic Chip R, R, R7, R8 0.1W 1% \ SM : 080 Resistor : Ceramic Chip -097 \ TP1, TP, TP, TP, TP, TP, TP7, TP8, TP10, TP11, TP1, TP1, TP1, \ \ \ \ TH : 1.mm Dia Hole Test Point :.1mm Loop, Red TP1, TP1, TP17, TP18, TP19, TP0 U1 (Socket) \ \ \ OTS-0(8) TH : TSSOP0 skt Socket : Enplas (TSSOP0) 1 \ \ U1 (Device) \ \ \ A9 SM : ettsop0 Device : Allegro Motor Driver 0 \ \ U \ \ \ PIC1F180 TH : DIP8 Device : Microchip 8 pin MCU U \ \ \ LM9HVMA-.0 SM : SOIC8 Device : Voltage Regulator V X1 \ \ \ \ TH : 7.mm (00mils) Pitch Screw Terminal : -way \ X \ \ \ \ TH : 7.mm (00mils) Pitch Screw Terminal : -way \ X \ \ \ \ TH :.08mm (00mils) Pitch Screw Terminal : -way \ X \ \ \ \ TH :.08mm (00mils) Pitch Screw Terminal : -way 1-87 \ X \ \ \ \ TH :.mm Pitch, 1x, SIL Connector : -way Header Unshrouded [ESDBAG_x8] \ \ \ \ \ ESD Bag : 17x0mm (x8") [KNOB] [EN1] \ \ \ \ \ Knob : mm D shaft (for EN1) [JMP_SHORT_R] \ \ \ \ \ Jumper Short/Shunt Link : Red \ [SKT_DIP8] [U] \ \ \ \ TH : DIP8 IC Socket : DIP8 (for U) Worcester, Massachusetts U.S.A ;

7 Revision History Number Date Description September, 01 Initial release Copyright 01, reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the information being relied upon is current. Allegro s products are not to be used in any devices or systems, including but not limited to life support devices or systems, in which a failure of Allegro s product can reasonably be expected to cause bodily harm. The information included herein is believed to be accurate and reliable. However, assumes no responsibility for its use; nor for any infringement of patents or other rights of third parties which may result from its use. For the latest version of this document, visit our website: Worcester, Massachusetts U.S.A ; 7

SCHEMATIC TACHO_O DIAG_O PWM_I X1.6 X1.5 X1.8 X1.7 GND R28 R27 R25 R26 DIAG LED1 TP:DIAG R18. 47k. 6k8 R19 R17. 6k8 OFF TP:PWM R23.

SCHEMATIC TACHO_O DIAG_O PWM_I X1.6 X1.5 X1.8 X1.7 GND R28 R27 R25 R26 DIAG LED1 TP:DIAG R18. 47k. 6k8 R19 R17. 6k8 OFF TP:PWM R23. 1 1 2 2 3 4 2 6 7 5 9 8 3 3 4 4 5 5 6 6 A4960 SCHEMATIC REF X5.4 R21 X5.3 50k 1 2 3 +5 X5.2 STRN_I X5.1 D TITLE: A4960 Customer Demonstration Board D (Ground Bars) USB REV: SIZE: Allegro Microsystems Inc

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