L9963T datasheet(44/45 Pages) STMICROELECTRONICS

44 / 45 page

List of figures

Figure 1.

Block diagram .................................................................... 2

Figure 2.

Pin connection diagram (top view)....................................................... 2

Figure 3.

Supply ranges .................................................................... 5

Figure 4.

NSLAVE pin structure .............................................................. 10

Figure 5.

DIS pin structure .................................................................. 11

Figure 6.

ISOFREQ pin structure ............................................................. 12

Figure 7.

BNE/CPOL pin structure ............................................................ 13

Figure 8.

TXEN/CPHA pin structure ........................................................... 14

Figure 9.

TXAMP pin structure ............................................................... 15

Figure 10.

SPICLKFREQ thresholds ............................................................ 17

Figure 11.

SPICLKFREQ pin structure .......................................................... 18

Figure 12.

L9963T FSM .................................................................... 20

Figure 13.

First power up sequence ............................................................ 21

Figure 14.

Wake up sequence ................................................................ 22

Figure 15.

Isolated SPI pulse shape and logical meaning ............................................. 29

Figure 16.

Transformer-Based ISO lines circuit .................................................... 32

Figure 17.

Capacitive-Based ISO lines circuit...................................................... 33

Figure 18.

Distributed BMS in dual access ring topology .............................................. 34

Figure 19.

Centralized BMS in dual access ring topology.............................................. 35

Figure 20.

Generic application ................................................................ 35

Figure 21.

SO16N (10x4x1.25 mm) package outline ................................................. 38

Figure 22.

Recommended footprint............................................................. 39

L9963T

List of figures

DS13590 - Rev 4

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