LTC1695

17

SMBus Data Byte Table (Receive Byte Protocol)

DECIMAL

BINARY

HEX

LTC1695 Status

MSB

LSB

0

00000000

00

No Fault

128

10000000

80

Overcurrent Fault/Clamp

64

01000000

40

Thermal Shutdown

During thermal shutdown, the LTC1695’s LDO is shut off.

DECIMAL

BINARY

HEX

(D5 to D0)

MSB

LSB

(D6-D7 set to 0)

32

X0100000

20

2.500

33

X0100001

21

2.578

34

X0100010

22

2.656

35

X0100011

23

2.734

36

X0100100

24

2.813

37

X0100101

25

2.891

38

X0100110

26

2.969

39

X0100111

27

3.047

40

X0101000

28

3.125

41

X0101001

29

3.203

42

X0101010

2A

3.281

43

X0101011

2B

3.359

44

X0101100

2C

3.438

45

X0101101

2D

3.516

46

X0101110

2E

3.594

47

X0101111

2F

3.672

48

X0110000

30

3.750

49

X0110001

31

3.828

50

X0110010

32

3.906

51

X0110011

33

3.984

52

X0110100

34

4.063

53

X0110101

35

4.141

54

X0110110

36

4.219

55

X0110111

37

4.297

56

X0111000

38

4.375

57

X0111001

39

4.453

58

X0111010

3A

4.531

59

X0111011

3B

4.609

60

X0111100

3C

4.688

61

X0111101

3D

4.766

62

X0111110

3E

4.844

63

X0111111

3F

4.922

D6 = 0 disables the boost start timer.

D7 = X = don’t care

SMBus Address Byte Table

Decimal

HEX

SMBus Protocol

232

E8

Send Byte to the LTC1695

233

E9

Receive Byte from the LTC1695

The LSB of the SMBus address is the write bit. For send byte protocol,

W = 0. For Receive byte protocol, W = 1

SMBus Command Byte Table (Send Byte Protocol)

DECIMAL

BINARY

HEX

(D5 to D0)

MSB

LSB

(D6-D7 set to 0)

0

X0000000

00

0.000

1

X0000001

01

0.078

2

X0000010

02

0.156

3

X0000011

03

0.234

4

X0000100

04

0.313

5

X0000101

05

0.391

6

X0000110

06

0.469

7

X0000111

07

0.547

8

X0001000

08

0.625

9

X0001001

09

0.703

10

X0001010

0A

0.781

11

X0001011

0B

0.859

12

X0001100

0C

0.938

13

X0001101

0D

1.016

14

X0001110

0E

1.094

15

X0001111

0F

1.172

16

X0010000

10

1.250

17

X0010001

11

1.328

18

X0010010

12

1.406

19

X0010011

13

1.484

20

X0010100

14

1.563

21

X0010101

15

1.641

22

X0010110

16

1.719

23

X0010111

17

1.797

24

X0011000

18

1.875

25

X0011001

19

1.953

26

X0011010

1A

2.031

27

X0011011

1B

2.109

28

X0011100

1C

2.188

29

X0011101

1D

2.266

30

X0011110

1E

2.344

31

X0011111

1F

2.422

D6 = 0 disables the boost start timer.

D7 = X = don’t care