AN3077 datasheet(64/82 Pages) STMICROELECTRONICS

64 / 82 page

Scenarios for automotive applications: Motor control

AN3077

64/82

DocID16384 Rev 10

5.3

Application example 3

●

Application: 3-phase electric motor control

●

Motor control algorithm: Sinusoidal Control (SC) or 6-step mode

●

Position sensor(s): Incremental encoder; 3 Hall sensors

●

Current sensor(s) for diagnostic: 1 shunt on DC link

5.3.1

Functional safety related inputs

Reset signal

GPO[0]

SIUL

External

component (ASIC,

companion chip)

Reset signal for the external

component(s).

Precautions for usage are

presented in Section 3.13.4.1:

Single Write Digital Outputs With

Read Back.

DSPI transmit

signal

SOUT

DSPI_0

External

component (ASIC)

If DSPI_0 is used, an appropriate

safety protocol must be utilized.

DSPI transmit

signal

SOUT

DSPI_1

External

component (ASIC)

If DSPI_1 is used, an appropriate

safety protocol must be utilized.

FlexCAN transmit

signal

CAN_TX

FlexCAN_0

External

component (ASIC)

If FlexCAN_0 is used, an

appropriate safety protocol must

be utilized.

FlexCAN transmit

signal

CAN_TX

FlexCAN_1

External

component (ASIC)

If FlexCAN_1 is used, an

appropriate safety protocol must

be utilized.

FlexRay transmit

signals

FR_CA_TX

FR_CB_TX

FlexRay

External

component (ASIC)

If FlexRay is used, an appropriate

safety protocol must be utilized.

Table 17. Functional safety outputs for application example 2 (continued)

Signal

description

Output signal

(alias)

Source

(module on

Device_Numbe

Destination

Comments

Table 18. Functional safety inputs for application example 3

Signal description

Input signal

(alias)

Source

Destination

(module on

Device_Number

)

Comments

FCCU input

FCCU_F[1]

(if used)

FCCU output pin

FCCU_F[0]

FCCU

FCCU output loop-back signal.

DC voltage for DC

ripple compensation

AN[0]

ASIC

ADC_0

Precautions for usage are

presented in Section 3.15.1.1:

Single Read Analog Inputs.

DC-link current

AN[15]

ASIC or current

sensor

ADC_1

Precautions for usage are

presented in Section 3.15.1.1:

Single Read Analog Inputs.

AN3077 Datasheet(PDF) 64 Page - STMicroelectronics

AN3077 Datasheet(HTML) 64 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

Datasheet Download

Link URL