AN1905 ST Microelectronics, Inc., AN1905 Datasheet - Page 61
![no-image](/images/no-image-200.jpg)
AN1905
Manufacturer Part Number
AN1905
Description
St7mc Three-phase BLDC Motor Control Software Library
Manufacturer
ST Microelectronics, Inc.
Datasheet
1.AN1905.pdf
(77 pages)
- Current page: 61 of 77
- Download datasheet (2Mb)
Figure 44. PWM applied on low/high side on a rising Bemf during demagnetizationf
T0
T1
T1
T0
PWM OFF
PWM ON
A
A
T0-T3 with PWM applied
on high side during demagnetization
T2
T3
T2
on high side
M
I
T3
I
M
d
d
T0-T5 with PWM applied
Step 1
B
ST7MC THREE-PHASE BLDC MOTOR CONTROL SOFTWARE LIBRARY
B
I
2
HV
HV
Step 2
T4
T5
T4
T5
C
C
T0
T1
T0-T3 ->T0-T5
A
Commutation
demagnetization current
I
Σ
I
d
1
HV
HV/2
T2
T3
1
: free wheeling
0V
Voltage on
B
OR
phase B
Demagnetization
HV
Σ
2
T4
T5
on low side during demagnetization
t
C
T0-T5 with PWM applied
T0
T1
T0
T1
A
A
Step 2
T2
T3
T2
T3
M
I
M
I
d
d
B
B
I
2
HV
HV
PWM OFF
PWM ON
T4
T5
T4
T5
C
C
61/77
Related parts for AN1905
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![AN177](/images/no-image3.png)
Part Number:
Description:
An Overview og the Phase Locked Loop
Manufacturer:
Philips
Datasheet:
![AN1268](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
AN OVERVIEW OF THE LPC FLASH INTERFACE
Manufacturer:
STMicroelectronics
![AN1315](/images/no-image3.png)
Part Number:
Description:
An Evaluation System Interfacing the MPX2000 Series Pressure Sensors to a Microprocessor
Manufacturer:
Motorola / Freescale Semiconductor
![AN1998](/images/no-image3.png)
Part Number:
Description:
An FM-IF system for DECT and other high speed GFSK applications
Manufacturer:
Philips Semiconductors / NXP Semiconductors
![AN2124](/images/no-image3.png)
Part Number:
Description:
An 8 x 8 Discrete Cosine Transform on the StarCore SC140/SC1400 Cores
Manufacturer:
Freescale Semiconductor / Motorola
![AN2428](/images/no-image3.png)
Part Number:
Description:
An Overview of the HCS12 ATD Module
Manufacturer:
Freescale Semiconductor / Motorola
![AN2708](/images/no-image3.png)
Part Number:
Description:
An Introduction to the External Bus Interface on the HCS12X
Manufacturer:
Freescale Semiconductor / Motorola
![AN2783](/images/no-image3.png)
Part Number:
Description:
An RF Data Link Using Tango3 and Romeo2 RF Modules
Manufacturer:
Freescale Semiconductor / Motorola
![STP22NE10L](/images/no-image3.png)
Part Number:
Description:
N-channel 55V - 0.07 Ohm - 22A StripFET Power MOSFET
Manufacturer:
ST Microelectronics, Inc.
Datasheet:
![STP32N06L](/images/no-image3.png)
Part Number:
Description:
Old PRODUCT: Not Suitable For Design-in
Manufacturer:
ST Microelectronics, Inc.
Datasheet:
![2N4014](/images/no-image3.png)
Part Number:
Description:
High-voltage, High Current Switch
Manufacturer:
ST Microelectronics, Inc.
Datasheet:
![L6000](/images/no-image3.png)
Part Number:
Description:
Single Chip Read & Write Channel
Manufacturer:
ST Microelectronics, Inc.
Datasheet:
![BTA10-400GP](/images/no-image3.png)
Part Number:
Description:
10A Triacs
Manufacturer:
ST Microelectronics, Inc.
Datasheet:
![BTA20-600BW](/images/no-image3.png)
Part Number:
Description:
20A Triacs
Manufacturer:
ST Microelectronics, Inc.
Datasheet:
![BTA41-700B](/images/no-image3.png)
Part Number:
Description:
-
Manufacturer:
ST Microelectronics, Inc.
Datasheet: