1 2 3 4 5 6 7 8 A B C D 8 7 6 5 4 3 2 1 D C B A Title Number Revision Size A3 Date: 18-Feb-2011 Sheet of File: D:\Jobb backup\3-pha se BLDC Logic\3-phas e BLDC Logic.ddb Drawn By: V1.0 C1 100pF R4 10K 1 2 3 U2A 74HC08 4 5 6 U2B 74HC08 9 10 8 U2C 74HC08 12 13 11 U2D 74HC08 1 2 U1A 74HC14 1 4 7 U1G 74HC14 1 4 7 U2E 74HC08 3 4 U1B 74HC14 5 6 U1C 74HC14 9 8 U1D 74HC14 4 5 6 U3B 74HC08 1 2 3 U3A 74HC08 11 10 U1E 74HC14 13 12 U1F 74HC14 1 4 7 U3E 74HC08 R5 10K R6 10K GND C2 100pF C3 100pF 5V +5V A B C GND J1 Sensors A-Input B-Input C-Input A+ A- B+ B- C+ C- IN/OUT 1 IN/OUT 3 IN/OUT 2 IN/OUT 4 IN/OUT 8 IN/OUT 10 IN/OUT 9 IN/OUT 11 Styr 1-2 13 Styr 3-4 5 Styr 8-9 6 Styr 10-11 12 GND 7 VCC 14 U4 74HC4066 A+/- A-/+ IN/OUT 1 IN/OUT 3 IN/OUT 2 IN/OUT 4 IN/OUT 8 IN/OUT 10 IN/OUT 9 IN/OUT 11 Styr 1-2 13 Styr 3-4 5 Styr 8-9 6 Styr 10-11 12 GND 7 VCC 14 U5 74HC4066 B+/- B-/+ IN/OUT 1 IN/OUT 3 IN/OUT 2 IN/OUT 4 IN/OUT 8 IN/OUT 10 IN/OUT 9 IN/OUT 11 Styr 1-2 13 Styr 3-4 5 Styr 8-9 6 Styr 10-11 12 GND 7 VCC 14 U6 74HC4066 C+/- C-/+ 5V 9 10 8 U3C 74HC08 12 13 11 U3D 74HC08 GND 5V GND S1 F/R GND GND 5V 5V R8 10K R7 10K Forward Reverse GND 5V C4 100nF C5 100nF C6 100nF Q4 FDS6680A Q5 FDS6680A Q6 FDS6680A GND Q1 FDS4435 T3 2N7002 T2 2N7002 T1 2N7002 GND GND GND G N D Vout Vin G N D G N D G N D U7 LM78L05 5V GND Vin 5-30V Q2 FDS4435 Q3 FDS4435 Z1 5V1 Z2 5V1 Z3 5V1 R12 3K3 R13 3K3 R14 3K3 R9 10K R10 10K R11 10K Vin 5-30V C7 100nF + C8 1000uF/50V A B C J3 Output 1 2 J2 Vin R15 1K D1 B GND R16 1K D2 A GND R17 1K D3 C GND R18 1K D4 A+ GND R19 1K D5 A- GND R20 1K D6 B+ GND R21 1K D7 B- GND R22 1K D8 C+ GND R23 1K D9 C- GND 3-phase BLDC decoder & controller Date & Signature: Design: Honk Date: 2009-07-29 Forward / Reverse D1, D2, D3 = Sensor Input Leds D4 - D9 = Mosfet Control Leds R 1 1 0 K R 2 1 0 K R 3 1 0 K