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PDF FCM8201 Data sheet ( Hoja de datos )
| Número de pieza | FCM8201 | |
| Descripción | 3-Phase Sinusoidal Brushless DC Motor Controller | |
| Fabricantes | Fairchild Semiconductor | |
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September 2010
FCM8201
3-Phase Sinusoidal Brushless DC Motor Controller
Features
Supports Space Vector Modulation (SVM)
Supports Sine-Wave & Square-Wave Solutions
Built-in Clock Generator
Built-in Error Amplifier for Torque Loop Control
Direct Duty Control
Square-Wave 120°, Sine-Wave 180° Turn-on
PLL Angle Detection (Hall Sensors)
Programmable Current Leading Phase
Serial Interface (SPI)
Two Operation Modes (Stand-Alone Operation or
Controlled through SPI)
Programmable Soft-Switching (Dead-Time)
Synchronous Rectifying
Over-Voltage and Under-Voltage Protections
Motor & Power Transistor Over-Voltage Protections
Three Levels of Over-Current Protection (OCP)
Programmable OC Timer
Over-Temperature Protection (OTP)
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Applications
BLDC Motor Control
Low-Noise Motor Applications
Fan, Pump, Tools, etc.
Description
FCM8201 is a three-phase sinusoidal brushless DC
(BLDC) motor controller. It comes with the advanced
Hall sensor design. Using the Hall sensor signals, the
control system is able to execute the PWM
commutation by switching the three-phase inverter.
There are two PWM modes for selection: Sine-Wave
Mode and the Square-Wave Mode. Square-Wave Mode
includes PWM-PWM and PWM-ON approaches to
improve the efficiency of the motor drive. Protection
functions including over-voltage, over-current, over-
temperature, and short circuit prevent the control
circuits and the motor from being damaged, particularly
under stressed applications and demanding
environments. Information about voltage, current, and
temperature is accessible through the SPI interface.
FCM8201 can be operated stand-alone or worked with
microcontrollers for advanced BLDC motor control.
Ordering Information
Part Number
Operating
Temperature Range
Package
FCM8201QY
-40°c to 85°C
32-Leadless Quad Flat Pack Package (LQFP) , JEDEC
MS-026, Variation BCE, 7mm Square
Packing
Method
Tray
© 2010 Fairchild Semiconductor Corporation
FCM8201 • Rev. 1.0.0
www.fairchildsemi.com
1 page  
Pin Configuration
Figure 5. Pin Configuration
Pin Definitions
Pin #
1
2
3www.DataSheet4U.net
4
5
6
7
8
Name
HOVP
HA
HB
HC
CW/CCW
SCLK
FREE/ST
SDI
XP
SDO
XN
SEN
Description
Motor Drive Over-Voltage Protection Output. It can be connected to an external power
transistor for discharging the back EMF.
Hall A Sensor Input. Phase-U magnetic field detection.
Hall B Sensor Input. Phase-V magnetic field detection.
Hall C Sensor Input. Phase-W magnetic field detection.
Direction Control Input. Designed for stand-alone operation. HIGH: CW, LOW: CCW.
Serial Clock Input. Designed for SPI operation.
Free and Start Control Input. Designed for stand-alone operation. HIGH: Free, LOW: Start.
Serial Data Input. Designed for SPI operation.
Interface Selection P (Open-Drain). Designed to configure the pin #5~8 work on stand-
alone or SPI operation.
Serial Data Output, (Open-Drain). Designed for SPI operation.
Interface Selection N (Open-Drain). Designed to configure the pin #5~8 work on stand-
alone or SPI operation.
SPI Enable (Open-Drain). Designed for SPI operation. HIGH: SPI disable, LOW: SPI enable.
Continued on the following page…
© 2010 Fairchild Semiconductor Corporation
FCM8201 • Rev. 1.0.0
5
www.fairchildsemi.com
5 Page 
Typical Performance Characteristics (Continued)
Figure 12. OTP Threshold Voltage (VRT)
vs. Temperature
Figure 13. Motor OVP Threshold Voltage
(VOV_MOTOR) vs. Temperature
Figure 14. PWM Full Duty Voltage (VFD)
vs. Temperature
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Figure 15. PWM Zero Duty Voltage (VZD)
vs. Temperature
Figure 16. VPP Turn-On Threshold Voltage
(VVPP_ON) vs. Temperature
Figure 17. VPP Turn-Off Threshold Voltage
(VVPP_OFF) vs. Temperature
© 2010 Fairchild Semiconductor Corporation
FCM8201 • Rev. 1.0.0
11
www.fairchildsemi.com
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet FCM8201.PDF ] | |
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