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PDF ( 数据手册 , 数据表 ) MCP8063

零件编号 MCP8063
描述 3-Phase Brushless Sinusoidal Sensorless Motor Driver
制造商 Microchip
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MCP8063 数据手册, 描述, 功能
MCP8063
3-Phase Brushless Sinusoidal Sensorless Motor Driver
Features
• Automotive AEC-Q100 Qualified, PPAP available
upon request
• Position Sensorless BLDC Drivers (no Hall
Sensor required)
• 180° Sinusoidal Drive for High Efficiency and Low
Acoustic Noise
• Supports 2V to 14V Power Supplies
• Speed Control through Power Supply Modulation
(PSM) and/or Pulse-Width Modulation (PWM)
• Built-In Frequency Generator (FG output signal)
• Built-In Lock-Up Protection and Automatic
Recovery Circuit (external capacitor not
necessary)
• Built-In Overcurrent Limitation (1.5A)
• Built-In Overvoltage Protection
• Built-In Thermal Shutdown Protection
• Thermally Enhanced 8-Lead 4 mm x 4 mm DFN
Package with Exposed Pad
• 23 kHz PWM Output Frequency
• No External Tuning Required
• Optimized for Fan Cooling Systems
Typical Applications
• Silent Notebook CPU/GPU Cooling Fans
• Air Ventilation System
• 12V 3-Phase BLDC Motors
Description
The MCP8063 device is a highly integrated 3-phase,
full-wave sensorless driver for brushless motors. It
features a 180° sinusoidal drive, high torque output,
and silent drive. Its integrated features and the wide
power supply range (2V to 14V) make the MCP8063 an
ideal candidate for a broad range of motor
characteristics, requiring no external tuning. Speed
control can be achieved through either power supply
modulation (PSM) or pulse-width modulation (PWM).
Due to the compact packaging and minimum bill of
materials (power transistors integrated, no Hall sensor,
no external tuning), the MCP8063 is optimized for fan
applications that require high efficiency and low
acoustic noise at competitive costs. Frequency
generator output enables precision speed control in
closed-loop applications. The MCP8063 driver
includes a Lock-Up Protection mode, which turns off
the output current when the motor is under lock
condition, and an automatic recovery that enables the
fan to restart when the lock condition is removed.
Features such as motor overcurrent limitation and
thermal shutdown protection improve motor system
reliability without additional efforts from design
engineers.
The MCP8063 is available in a compact
thermally-enhanced 8-lead 4 mm x 4 mm DFN
package with exposed pad.
Package Types
MCP8063
4x4 DFN*
FG 1
8 PWM
VBIAS 2 EP 7 VDD
OUT1 3 9 6 OUT3
OUT2 4
5 GND
Top View
* Includes Exposed Thermal Pad (EP); see Table 3-1.
2014 Microchip Technology Inc.
DS20005257B-page 1







MCP8063 pdf, 数据表
MCP8063
3.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1: MCP8063 PIN FUNCTION TABLE
MCP8063
4x4 DFN
Symbol
Type
Description
1 FG O
2
VBIAS
P
3
OUT1
O
4
OUT2
O
5
GND
P
6
OUT3
O
7
VDD
P
8
PWM
I
9 EP P
Legend: I = Input; O = Output; P = Power
Motor Speed Indication Output Pin
Internal Regulator Output Pin (for decoupling only)
Single-Phase Coil Output Pin
Single-Phase Coil Output Pin
Negative Voltage Supply Pin (Ground)
Single-Phase Coil Output Pin
Positive Voltage Supply for Motor Driver Pin
PWM Input Signal for Speed Control Pin
Exposed pad is used for thermal dissipation. Connect to GND.
DS20005257B-page 8
2014 Microchip Technology Inc.







MCP8063 equivalent, schematic
MCP8063
NOTES:
DS20005257B-page 16
2014 Microchip Technology Inc.










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