L99MD01 datasheet(5/54 Pages) STMICROELECTRONICS

5 / 54 page

L99MD01

List of figures

Doc ID 17242 Rev 6

5/54

List of figures

Figure 1.

Detailed block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 2.

Power on reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 3.

Pin connection (top view- not in scale) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 4.

Output turn-on/off delays and slew rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 5.

SMPS timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 6.

SPI timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 7.

Clock polarity and clock phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 8.

SPI frame structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 9.

Indication of the global error flag on SDO when CSN is low and SCK is stable. . . . . . . . . 26

Figure 10.

Driving 4 bipolar stepper motors simultaneously . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 11.

Driving 2 bipolar stepper motors simultaneously and 3 DC-motors sequentially . . . . . . . . 40

Figure 12.

Driving 2 bipolar stepper motors simultaneously . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 13.

Driving 1 bipolar stepper motor and 2 DC-motors simultaneously . . . . . . . . . . . . . . . . . . . 42

Figure 14.

Driving 3 bipolar stepper motors sequentially . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 15.

Driving 4 DC-motors simultaneously . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 16.

Driving 3 DC-motors simultaneously and 2 DC-motors sequentially . . . . . . . . . . . . . . . . . 45

Figure 17.

Driving 7 DC-motors sequentially . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Figure 18.

Driving simultaneously 4 unipolar winded stepper motors in bipolar mode . . . . . . . . . . . . 46

Figure 19.

Cost saving impact using L99MD01 as stepper motor driver inside HVAC systems . . . . . 47

Figure 20.

PowerSSO-36 PC board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Figure 21.

PowerSSO-36 thermal impedance junction ambient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Figure 22.

PowerSSO-36™ package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Figure 23.

PowerSSO-36 tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Figure 24.

PowerSSO-36 tape and reel shipment (suffix “TR”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

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