SPSB100 datasheet(201/213 Pages) STMICROELECTRONICS

201 / 213 page

Contents

Block diagram and pin description .................................................3

1.1

Block diagram ................................................................. 3

1.2

Pin description ................................................................. 4

Maximum ratings ..................................................................7

2.1

Operating range ............................................................... 7

2.1.1

Supply voltage ranges..................................................... 7

2.2

Absolute maximum ratings....................................................... 7

2.3

ESD robustness ............................................................... 9

2.4

Temperature ranges and thermal data ............................................. 9

Functional description ............................................................12

3.1

Supply configurations .......................................................... 12

3.1.1

System supply configuration 1 ............................................. 12

3.1.2

System supply configuration 2 ............................................. 13

3.1.3

Digital interface supply: VIO ............................................... 13

3.2

Boost controller ............................................................... 14

3.2.1

Power-up/down and voltage drop behavior .................................... 15

3.3

BUCK converters.............................................................. 17

3.3.1

BUCK1 converter ....................................................... 17

3.3.2

BUCK2 converter ....................................................... 18

3.3.3

BUCK3 converter ....................................................... 19

3.4

Linear voltage regulators ....................................................... 20

3.4.1

LDO1 ................................................................ 20

3.4.2

LDO2 ................................................................ 21

3.5

Operating modes.............................................................. 22

3.5.1

Wake-up from DEEP-SLEEP to ACTIVE state ................................. 22

3.5.2

Wake-up events in ACTIVE mode........................................... 22

3.6

Functional overview - State machine ............................................. 22

3.6.1

State machine without fault transitions ....................................... 23

3.6.2

State machine focusing on fault transitions .................................... 23

3.6.3

States and transitions description ........................................... 31

3.7

Power-up and power-down sequence ............................................ 35

3.7.1

Power-up sequence ..................................................... 35

3.7.2

Power-down sequence ................................................... 36

3.8

User's NVM modification procedure .............................................. 37

3.8.1

Starts-up with valid NVM data and NVM faults management ...................... 37

SPSB100

Contents

DS14640 - Rev 2

page 201/213

SPSB100 датащи(PDF) 201 Page - STMicroelectronics

SPSB100 датащи(HTML) 201 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL