HT45RM03 datasheet(34/54 Pages) HOLTEK

34 / 54 page

Application Circuits 2

HT45RM03

Rev. 1.10

February 16, 2007

H T 4 5 R M 0 3

2 8

2 7

2 6

2 5

2 4

2 3

2 2

2 1

2 0

1 9

1 8

1 7

1 6

1 5

1 0

1 1

1 2

1 3

1 4

P B 5 / A N 5

P B 4 / A N 4

P A 3 / C O U T

P A 2 / C V I N N

P A 1 / C V I N P

P A 0 / O P V I N P

P B 3 / A N 3 / O P V I N N

P B 2 / A N 2 / O P O U T

P B 1 / A N 1

P B 0 / A N 0

V S S

P C 0 / P W M 0

P C 1 / P W M 0

P C 2 / P W M 1

P B 6 / A N 6

P B 7 / A N 7 / T M R 0 / T M R 1

P A 4 / I N T 0 A

P A 5 / I N T 0 B

P A 6 / I N T 0 C

P A 7 / I N T 1

O S C 2

O S C 1

V D D

R E S

P D 0 / P F D

P C 5 / P W M 2

P C 4 / P W M 2

P C 3 / P W M 1

O v e r C u r r e n t

V D D

C u r r e n t A N

B A T V o l A N

S p e e d A N

B r a k e S i g n a l

S e n s o r _ C

S e n s o r _ B

S e n s o r _ A

R u n U p

V D D

P W M 0

P W M 1

P W M 2

P W M 1

2 4

2 3

2 2

2 1

2 0

1 9

1 8

1 7

1 6

1 5

1 4

1 3

1 0

1 1

1 2

V M

N C

V S S

V D D

A T L

A B L

B T L

B B L

C T L

C B L

N C

V S S

V D A T

A T

V S A T

A B

V D B T

B T

V S B T

B B

V D C T

C T

V S C T

C B

P W M 0 R 8

P W M 0 R 9

P W M 1 R 1 0

P W M 1 R 1 1

P W M 2 R 1 2

P W M 2 R 1 3

V M

D 1

D 2

D 3

C 4

C 6

C 8

H T 4 5 B 0 C

P h a s e A

P h a s e B

P h a s e C

P h a s e A

R 1 4

A T

A B

C N 1

U b a t

P h a s e B

R 1 8

B T

R 2 0

B B

C N 2

P h a s e C

R 2 4

C T

R 2 6

C B

C N 3

Q 1

Q 2

C 1 0

O v e r _ c u r r e n t

R 2 3

R 2 2

V S S

V D D

H 4

R 2 9

R 3 0

B r a k e S i g n a l

S p e e d A N

C 1 4

C 1 5

R 3 1

V S S

V D D

H 3

R 3 3

R 3 4

C 1 6 C 1 7

R 3 2

C 1 8

S e n s o r _ C

S e n s o r _ B

S e n s o r _ A

V D D

R 3 5

R 3 6

R 3 7

V S S

V D D

H 2

R 2 8

R u n U p

C 1 3

C 1 9

U b a t

C N 4

C N 5

C N 6

U b a t

V S S

C 2 1

+ 4 8 V

C 2 2

R 4 1

R 3 8

R 3 9

B A T V o l A N

C 2 7

V D D

7 8 L 0 5

L M 3 1 7

+ 1 5 V

+ 4 8 V

R 1

R 2

R 3

R 5

R 4

C 1

V D D

C 3

R 6

R 7

C 2

V D D

V S S

A T

A B

B T

B B

C T

C B

C 9

C 7

C 5

R 1 6

R 1 5

R 1 7

C 1 1

C 1 2

R 2 7

R 2 5

R 1 9

R 2 1

C 2 0

R 4 0

R 4 2

C 2 3

R 4 3

R 4 4

V M

C 2 4

C 2 5

C 2 6

+ 5 V

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