• Author / Uploaded
• Gonzalo Velazquez

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power on/off

R1

36V

180Ω 2W

14V

Rdiss 100Ω IN

36V

OUT

U1

IN

C6

C

C1 470uF 63V

C2

C3 C4 100nF

100uF 63V

R2 5.6kΩ

LM317T

C5 47uF 63V

Modification C7 C8

R6 47kΩ

100nF

U2

14V

78L05

C10 C11

R3 510Ω C12 220uF 16V

36V Q8 Y2

CPU-5 Q7 G1

R7 2.2kΩ

GND

R13 2.2kΩ

5V

R20 51Ω

H+

R27 2.2kΩ

2SK4145

D4

R8

T4

100Ω

R14 2.2kΩ

Q14 Y2

CPU-3 R9 2.2kΩ

C14 47uF 63V

D5

Q9 G1

T4

R15 2.2kΩ

C13 10nF

R5 510Ω

36V Q12 Y2

Q3 2SK4145 R10

CPU-1

100Ω

R16 2.2kΩ

Q15 Y2

R17 2.2kΩ

C15 10nF

2SK4145 R12

D6

Q11 G1

R11 2.2kΩ

C16 47uF 63V

Q5

100Ω

T4

R18 2.2kΩ

C18 47uF 63V

Q16 Y2

C17 10nF

motor V

motor W

CPU-37 5.6kΩ

R25 2.2kΩ

diode T4 = 1N4148 diode M4 = 1N4007

14V

C25

R28 2.2kΩ

U

R32

V

3.3kΩ R36

CPU-22

14V

R21 510Ω

transistor Y1 = SS8050 ? transistor Y2 = SS8550 ? transistor G1 = MMBT5551 ?

5V R26 2.2kΩ

D3 M7

36V Q10 Y2

motor U

CPU-36

motor HALL sensor

R4 510Ω

Q1

R19

Q13 Y2

14V

D2 M7

5V / 50mA

OUT

C

C9 220uF 25V

14V

D1 M7

R22 510Ω Q18 Y2

5V Q17 Y1

100nF

Q20 Y2

5V

100Ω

R29 10kΩ

Q19 Y1

C19

(NC)

Q22 Y2

Q4 5V

2SK4145 R34

R30 10kΩ

100Ω

Q6 2SK4145 R35

Q21 Y1

C20

R31 10kΩ

100Ω

C21

5V

CPU-30 3.3kΩ R40

W

CPU-29 3.3kΩ

GND

R37 2.2kΩ

CPU-4

C22 C23 C24

10nF Q23 Y1

R41 2.2kΩ

10nF

R38 2.2kΩ

CPU-2

Q24 Y1

R42 2.2kΩ

10nF

R39 2.2kΩ

CPU-44

S+

150Ω

R23 510Ω

Q2 2SK4145 R33

R24

14V

Q25 Y1

R43 2.2kΩ

R45

CPU-9

10nF

2kΩ

R78 CPU-19 10kΩ D7

SL

R47

CPU-26

C26

brake H GND

R53 22kΩ

R54 2kΩ

R50 9.4kΩ 1%

1

SD5

2

C27

3 4

VCC

8

5V

7

SD3

SD2

SD4

SD1

GND

SD0 5

6

R55 1.2kΩ 1%

2.2kΩ C28

1

2

3

4

5

6

7

8

9

10

1MΩ

12

44

Undervoltage detection

13

43

14

42

ZL PAS GND

Modification No pedal speed control R64

5V

CPU-27

10kΩ

R59 R60

motor U A2 (NC)

2.2kΩ

R117 10kΩ

15

R65 NTC 4.4k

Pedal speed control

R61 100kΩ

C29

C30

D8

5V

R69 1kΩ

5V 5V

20nF

CPU-13 10kΩ

GND

C34

C46

R116 10kΩ 5V

R71

38

2.2kΩ R74

R85

20

36

21

35

speed sensor

22

RXD (NC)

R93 20kΩ

R79 100kΩ

A3 (NC)

R100 1kΩ

ZF (NC)

R103 1kΩ

C36

L (NC)

R106 1kΩ

C37

33

32

31

30

29

Q29 G1

R89 3kΩ

Q30 G1

5V

5V R95 motor W

C41

14

C42

8

180nF

2.2kΩ

R110 1kΩ

Q31 G1

3kΩ

Q32 G1

R109 2.2kΩ

CPU-25 5V

(NC)

5

4

3

2

1

CPU-28

R104 10kΩ

U4B 5

2 4

China e-bike BLDC motor controller 36V 250W

CPU-23 5.6kΩ R114

C43 5V

CPU-20

2.2kΩ R111

CPU-42

LM339D

33kΩ 5V R102 4.7kΩ R108

R98 3.3kΩ

R99

20nF

R107

R96 2.2kΩ

U4C

9

100kΩ

R101 10kΩ

2.2kΩ R112

X (NC)

C38

33kΩ R83 4.7kΩ

R82 10kΩ

R97 100kΩ

CPU-24

CPU-40 3.3kΩ

LM339D

12

20nF

CPU-18

E1 (NC)

R80

6

R84

CPU-17

E4 (NC)

U4A 1

180nF

CPU-16 R105 1kΩ

R76 2.2kΩ

3

2.2kΩ

CPU-14

Q

5V

7

R86

C40

C39

R94 20kΩ

3kΩ

34

2.5V R92 20kΩ

C31

14V

Q28 G1

R75 100kΩ

E5 (NC)

5V R91 20kΩ

Q27 G1

R73

motor V

R88

GND

R90 20kΩ

2.2kΩ

TXD (NC)

2.2kΩ

5.6kΩ

20kΩ

GND

cruise

39

37

23

speed limit

R87

19

28

XS

speed out (Watt meter)

33kΩ R67 4.7kΩ

R66 10kΩ

2.2kΩ

R70

27

10kΩ R81 10kΩ

ZL

18

26

GND

M7

R77

3.3kΩ LM339D

40

CPU X8M06-C

17

25

SD

C33

R115 2.2kΩ

24

throttle

CPU-41

10

R63

C32

U3

16

R62

13

180nF

41

Temperature

R58 2.2kΩ

U4D

11

100kΩ

R72 R68 10kΩ

5V R57 47kΩ

U5 5V

C44 10nF

Modification Increase motor current by Rtune

R52 150kΩ R51

R56

ATtiny85

Q26 G1

11

avdweb Pedelec legalisation device

brake SH (NC)

14V

5V

36V

3kΩ

R49 1kΩ

5mΩ Rtune shunt 6.8kΩ

Back EMF detection for sensorless operation

10kΩ R48

T4

R46

C35 100nF

5V

brake L DS (NC)

R44 10kΩ

Version 1-9-2011 Re-engineered by A van Dalen

CPU-34

LM339D R113 10kΩ