L9961 datasheet(62/63 Pages) STMICROELECTRONICS

62 / 63 page

List of figures

Figure 1.

Block diagram .................................................................... 5

Figure 2.

Device FSM ...................................................................... 9

Figure 3.

Timing diagram: transition from NORMAL to STANDBY upon GO2STBY command.................... 10

Figure 4.

Timing diagram: transition from STANDBY to NORMAL upon WAKEUP detection ..................... 11

Figure 5.

Voltage conversion routine steps....................................................... 15

Figure 6.

Correct management of the task execution periodicity ........................................ 15

Figure 7.

Example of cell UV detection ......................................................... 24

Figure 8.

Current sense ADC total conversion error ................................................ 26

Figure 9.

Balancing timing diagram ............................................................ 33

Figure 10.

RDY pulse generation upon voltage conversion routine task termination ........................... 36

Figure 11.

I2C clock polarity ................................................................. 39

Figure 12.

I2C START/STOP conditions ......................................................... 39

Figure 13.

I2C generic READ operation ......................................................... 41

Figure 14.

I2C generic WRITE operation ......................................................... 41

Figure 15.

Timing on the I2C bus .............................................................. 43

Figure 16.

Power supply circuit ............................................................... 46

Figure 17.

Cell voltage sensing and balancing circuit ................................................ 47

Figure 18.

Current sense circuit ............................................................... 47

Figure 19.

NTC measurement circuit............................................................ 48

Figure 20.

HS/LS pre-drivers circuit ............................................................ 49

Figure 21.

Fuse circuit ..................................................................... 49

Figure 22.

Typical digital IOs circuit ............................................................ 50

Figure 23.

Application circuit in LS/HS configuration ................................................. 51

Figure 24.

Fail-safe switch in HS configuration ..................................................... 52

Figure 25.

Fail-safe switch in LS configuation ..................................................... 53

Figure 26.

VFQFPN (5x5x1.00 mm) package outline ................................................ 55

L9961

List of figures

DS14012 - Rev 1

page 62/63

L9961 датащи(PDF) 62 Page - STMicroelectronics

L9961 датащи(HTML) 62 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

датащи скачать

ссылки URL