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.
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1 A4960 SCHEMATIC REF X5.4 R21 X5.3 50k X5.2 STRN_I X5.1 D TITLE: A4960 Customer Demonstration Board D (Ground Bars) USB REV: SIZE: Allegro Microsystems Inc 4 A3.5 AUTHOR: SHEET: Bob Christie 1 of 1 Worcester MA USA DATE: PCB: 16th Jun 2015 EDC058R4 SDO_O SDI_I SCK_I X5.6 X5.5 X5 R24 X1.1 X1.3 X U1 R16 TP:REF C4 1n 6.3V R7 0R010 2W R8 0R010 2W C 18 TP18 R5 M6 GHC C X1.12 R32 TP TP16 STRN_I STRN SC X1.11 R31 TP9 TP15 R6 SCK_I SCK GLC 15 R14 470k X1.10 R30 TP10 10 SDI_I SDI X1.9 R29 TP8 14 SDO_O SDO LSS R15 13 CSP X1.2 REF TP3 REF CSM 12 A DIAG_O X1.8 R28 TP5 DIAG CC 17 TP17 C3 220n 6.3V TACHO_O X1.7 R27 TP7 TACHO R4 R12 470k R13 470k PWM_I X1.6 R26 TP6 PWM 20 GHB 21 SB GLB 19 TP20 TP21 TP19 R3 220n 6.3V M4 M5 X3.1 C TP:PWM RESETN_I X1.5 R25 TP2 RESETN CB 22 TP22 C2 X3.2 B 4.7u 25V A4960 R2 R10 470k R11 470k TP:DIAG GHA 24 SA 25 GLA 23 R19 6k8 R17 6k8 R23 75k TP25 TP24 TP23 X3.3 A X3 R1 M3 100n 50V VREG + LED1 DIAG C8 TP27 27 CA 26 TP26 C1 220n 6.3V M2 R18 47k C6 R9 470k B BC857B B Q1 ON S1 1 2 R20 3k3 OFF TP4 VDD VBRG 1 M1 IRFR2405PBF VBB 32 CP1 CP VDDIF X n 25V X1 J4 RSTN PWM 100n 50V C11 C12 C13 100n 100n 100n C10 C5 680u 50V 50V 50V 50V + C14 680u 50V + (S1 text) J1 C7 D1 BAT54 + C9 10u 16V J5 J3 5V OUT IN 47R D2 BZG03C27 J2 MC78M05ABDTG U2 A R22 A X4.1 X4.2 X2.1 X2.2 X4 X2 VDD VBAT A4960-DB
2 LAYOUT 2
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7 BILL OF MATERIALS Designator SIL Skt Value Rating Tol Part Number Footprint Description DNF Qty RS Farnell C1, C2, C3 \ 220n 6.3V X7R \ SM : 0805 Capacitor : Ceramic Chip \ \ C4 Skt 1n 6.3V X7R \ TH : 5mm Pitch [SKT] Capacitor : Dipped Ceramic Radial \ C5 \ 470n 25V X7R \ SM : 0805 Capacitor : Ceramic Chip \ \ C6, C7, C11, C12, C13 \ 100n 50V X7R \ SM : 0805 Capacitor : Ceramic Chip \ C8 \ 4.7u 25V 20% \ TH : 4mm Dia, 1.5mm Pitch Capacitor : Alu Electrolytic Radial \ \ C9 \ 10u 16V 20% \ TH : 4mm Dia, 1.5mm Pitch Capacitor : Alu Electrolytic Radial \ \ C10, C14 \ 680u 50V 20% \ TH : 16mm Dia, 5mm Pitch, 20mm H Capacitor : Alu Electrolytic Radial \ D1 \ \ \ \ BAT54 SM : SOT23 Diode : Schottky, 30V, 0.2A \ D2 \ \ \ \ BZG03C27 SM : DO214AC (SMA) Diode : Zener, 27V \ , 2, 3 \ \ \ \ \ TH : 12mm Pitch, 20swg Ground Bar : Tinned Copper Wire \ \ J1, J2, J3, J4, J5 \ \ \ \ \ TH : SIL2, 2.54mm Pitch, 1x2 Jumper Header : Male 2-pin \ \ LED1 \ \ \ \ \ TH : 3mm (T-1), 2.54mm Pitch LED : 3mm, Red \ \ M1, M2, M3, M4, M5, M6 \ \ \ \ IRFR2405PBF SM : TO-252 (DPAK) Mosfet : N Channel, 56A, 55V \ MF1, MF2, MF3, MF4, MF5 \ \ \ \ \ SM : 9.5mm Dia Mount Foot : Adhesive Rubber \ 5 \ PCB \ \ \ \ EDC058R4 FR4, 2oz Cu, 2 Layer PCB : A4960 Demo Board \ 1 \ \ Q1 \ \ \ \ BC857B SM : SOT23 Transistor : PNP, 65V, 0.1A \ R1, R2, R3, R4, R5, R6 \ 0.125W 1% \ SM : 0805 Resistor : Ceramic Chip \ \ R7, R8 \ 0R010 2W 1% \ SM : 2512 Resistor : Ceramic Chip \ \ R9, R10, R11, R12, R13, R14 \ 470k 0.125W 1% \ SM : 0805 Resistor : Ceramic Chip \ R15, R16 Skt 0.125W 1% \ TH : 10mm Pitch, 6mm Body [SKT] Resistor : Axial [SKT] \ \ R17, R19 \ 6k W 1% \ SM : 0805 Resistor : Ceramic Chip \ R18 \ 47k 0.125W 1% \ SM : 0805 Resistor : Ceramic Chip \ \ R20 \ 3k W 1% \ SM : 0805 Resistor : Ceramic Chip \ R21 \ 50k 0.5W 10% \ TH : 3pin, 2.54mm Pitch, 10x5mm Body Resistor : Trim Pot, 3296Y \ R22 \ 47R 1W 1% \ SM : 2512 Resistor : Ceramic Chip \ \ R23 \ 75k 0.125W 1% \ SM : 0805 Resistor : Ceramic Chip \ R24, R25, R26, R27, R28, R29, R30, R31, R32 \ 0.125W 1% \ SM : 0805 Resistor : Ceramic Chip \ S1 \ \ \ \ \ TH : 2.54mm (100mils) Pitch Switch : DIL, 2-way, Raised Actuator \ TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP15, TP16, TP17, TP18, TP19, TP20, \ TP21, TP22, TP23, TP24, TP25, \ \ \ \ TH : 1mm Dia Hole Test Point : Test Terminal, 1mm, Red \ TP26, TP27, TP:DIAG, TP:PWM, TP:REF U1 (Socket) \ \ \ \ OTQ TH : LQFP32 skt Socket : Enplas (LQFP32) \ 1 \ \ U1 (Device) \ \ \ \ A4960 SM : elqfp32 Device : Allegro Motor Driver DNF 0 \ \ U2 \ \ \ \ MC78M05ABDTG SM : TO-252 (DPAK) Device : Voltage Regulator 5V \ X1 \ \ \ \ \ TH : 2.54mm Pitch, 2x13 Connector : IDC 26-way Ribbon Header \ X2 \ \ \ \ \ TH : 7.62mm (300mils) Pitch Screw Terminal : 2-way \ X3 \ \ \ \ \ TH : 7.62mm (300mils) Pitch Screw Terminal : 3-way \ X4 \ \ \ \ \ TH : 5.08mm (200mils) Pitch Screw Terminal : 2-way \ X5 \ \ \ \ \ TH : 2.54mm Pitch, 1x6, SIL6 Connector : 6-way Header Unshrouded \ [ESDBAG_6x10] \ \ \ \ \ \ ESD Bag : 152x254mm (6x10") \ [JMP_SHORT_R] \ \ \ \ \ \ Jumper Short/Shunt Link : Red \ [SIL_SKT] \ \ \ \ \ TH : SIL1 Socket : SIL1 (Parts = x3, Skts = x6) \ \ Note: "DNF" = "Do No Fit" (component not fitted). Note: An FTDi TTL-232R-5V USB cable will be required for SPI connection at X5 (& driver file & GUI file)
8 Revision History Number Date Description September 6, 2016 Initial release Copyright 2016, 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: 8
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1 1 1 8 7 7 8 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
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Applications General Purpose For IF applications Product Features Typical 1 db Bandwidth of 1.2 MHz Low loss High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Small Size Dimensions: