1. Monolithic Power Systems®
MPS All-in-One FOC Solution—MP6570 Introduction
Nash Zeng

2. Typical FOC Applications
Gimbals
Robotics
FOC Control
High Efficiency
Fast Transient Behavior
Low Torque Ripple
Motor Makers
Sewing Machine

3. Traditional FOC Solutions Control & Communication+ + or
MCU
Control & Communication
Driver &
Power Stage
Encoders
3 Hall ICs

4. MPS Unique Solution--MP6570: FOC Controller with Internal Angular Sensor
3.3V Typical Vcc, <30mA
13~14-bit Magnetic Angular Sensor
Internal Sinewave FOC Algorithm
Position/Speed/Torque Mode
I2C/SPI/RS485 Interface
PWM/Clock Input Mode
10-bit ADC w/ Programmable Gain
Selectable Internal/External Oscillator
Support External Sensor Input
1kHz to 80kHz Switching Frequency
Coasting/Fast/Close-Loop Brake Mode
Input-Bus Voltage & Current Protection
OCP/Lock/Power Stage Fault Protection
QFN4x4-32 Package

5. MP6570 Pin Interface PWM/Pulse input Fault output DIR: direction
BRAKE: brake input
Fault output
OCP/Lock/Power stage
DC bus protection
A/B/C output to driver
MP653x/654x compatible
- EN+PWM/HS+LS
I2C(max. 600kHz)
SPI(max. 20MHz)
RS485(max. 2MHZ)
32 slave addresses
Bus voltage/current sample
Ia/Ib/Ic current sample
A/B/Z output w/ int. sensor
SPI2 w/ ext. sensor
speed
- 1 to 32 pulse /cycle
position
- Home indication
Internal oscillator
External oscillator

6. MP6570 Operation Mode Speed Mode Position Mode ±0.2o accuracy
Up to 260,000rpm, limited by motor in theory
Position Mode
Absolute/Relative mode
Max. ±247 rounds ref.
±0.2o accuracy
Torque Mode
Programmable max. torque ref. w/ IQ[11:0] Reg.
10-bit ADC current sample

7. MP6570 Resolution and INL
MP6570 Int. Sensor Test Result w/ AccuFilterTM
13-bit resolution
±0.15o INL
Angle (o)
INL (o)
Time (s)
INL w/ Accufilter

8. Position Mode Control
Simulation
Bench Test

9. Speed Mode Control
Simulation
Bench Test

10. Steady State Phase Current

11. Brake Mode Coasting Brake Mode Fast Brake Mode Energy Recycle Mode
All FETs Off
Longest Braking Time
Fast Brake Mode
All LS FETs On and HS FETs Off
Short Brake Time but High Current Spike
Energy Recycle Mode
Negative Torque Loop Control
Short Brake Time and Energy Recycle

12. MP6570 Travel Demo
MP6570 Module 12

13. MP6570 GUI Design Assistant

14. MP6570 GUI Design Procedure Initial Position Aligning
Basic
Setting
Mode Set
Control Mode
Sensor Mode
Brake Mode
AD Set
Gain
Sample Mode
AD Mode
Interface Set
Reference Mode
SPI/I2C/RS485
PWM Output Mode
Fault Set
OCP
Rotor Lock
Vin OVP
Motor Spec Set
(poles, Ld/Lq, Rs, Kv)
Simulation
PI Loop Config.
Initial Position Aligning
Design Test
Test & Design Save

15. MPS Concept of MP6570 Modular Design
Power Stage
MP6570
(End of Shaft)
Holder
Housing
Optional
Heat Sink
Magnet
Motor
Up to 1000W
12~80V input
Wiring
Power & GND
RS485/SPI/I2C

16. Smart Motor with MP6570 Module
MP2013A/MP2015A: 3.3V LDO
MPM3506A: DC/DC w/ int. inductor
Command Input
From System Controller
MP653x/MP654x
3-phase BLDC drivers
MP6540H: 60V/5A, QFN5mmx5mm
MP(Q)6541: 45V/8A, QFN6mmx6mm
MP6542: 35V/11A, QFN6mmx6mm
MP6543: QFN3mmx4mm
MP6536: 26V/5.5A, QFN5mmx5mm
MP6570
FOC Algorithm
Speed/Position/Torque Mode
Internal Angular Sensor
QFN4x4mm

17. Smart Motor with MP6570 Module

18. Smart Motor with MP6570 Module
Maxon ECX-16
Size: Φ16mm*38mm
Fulling 42SVA
Size: Φ42mm*70mm
Top Side
Bottom Side
Top Side
Bottom Side

19. Smart Motor with MP6570 Module
Fulling 57SVA
Size: Φ57mm*110mm
To be Continued……
More standard modules/motors
Φ60, Φ60, Φ60, Φ60, Φ60, etc.
12V, 24V, 36V, 48V, 60V, etc.
<100W, 200W, 500W, 1000W, etc.
Customized modular design
Top Side
Bottom Side

20. MPS 3-Phase BLDCM Drivers for MP6570
Iout
MP6534
5-55V Pre-driver
QFN5x5-40
MP6530/MP6531A
5-60V pre-driver
QFN4x4/TSSOP-28
MP6537/MP6539
8-100V pre-driver
QFN4x5-28
Ext.
MOS
MP6536
5-26V, 5.5A
QFN5x5-40
MP6542/A
4.5-35V, 11A
QFN6x6-26
MP(Q)6541/A
V, 8A
QFN6x6-26
Int.
MOS
MP6543
3-22V, 2A
QFN3x4-24
MP6540H/HA
7-60V, 5A
QFN5x5-26 Vs

21. MP6530/MP6531A: 5V-60V 3-Phase BLDC Pre-driver
Features:
Three ½-H-Bridge MOSFET Pre-Drivers
5V to 60V Supply Voltage Range
800mA Source, 1A Sink Current
EN+PWM(MP6530) or HS+LS(MP6531A) Input
Low Power Sleep Mode
Programmable Over-current Protection of Ext. MOSFETs
Adjustable Dead Time to Prevent Shoot Through
Thermal Shutdown and UVLO Protection
Fault Indication Output
Thermally Enhanced QFN4x4-28/TSSOP-28 Packages
Applications:
3-Phase BLDC or PMSM Driver
Power Drills
Impact Drivers
E-Bike
ESC
QFN4x4-28/TSSOP-28 Package

22. MP6534: 5V-55V 3-Phase Pre-driver w/ 500mA Buck
Features:
Wide 5V to 55V Input Voltage Range
Supports 100% Duty Cycle Operation
500mA Buck Regulator for MCU Supply
Low Power Sleep Mode for Battery-powered Applications
Programmable Over-current Protection of Ext. MOSFETs
Adjustable Dead Time Protection to Prevent Shoot Through
Thermal Shutdown and UVLO Protection
Fault Indication Output
Thermally Enhanced QFN5x5-40 Package
Applications:
3-Phase BLDC and PMSM
Power Drills
E-Bike
ESC
QFN5x5-40Package

23. MP6537/MP6539: 100V, 3-Phase BLDC Pre-Driver
QFN4x5-28
Features:
Supports 100V operation
120V VBST maximum voltage
Internal LDO supports external NPN for high current drive requirements
Integrated current sense amplifier
Programmable dead time
Programmable over-current protection
EN+PWM(MP6537) or HS+LS(MP6539) Input
Fault Indication output flag
Low-power sleep mode

24. MP6540H/HA: 60V, 5A 3-Phase BLDC Driver w/ CSA
Features:
Fully integrated 3 half-bridge drivers
7V to 60V Operating Supply Voltage
5A Continuous/10A Peak Output Current
HS+LS MOSFET On-Resistance: 50mΩ
Internal Charge Pump Supports 100% Duty Cycle Operation
MP6540H: PWM+EN & MP6540HA: HS+LS Input
UVLO and Thermal Shutdown Protection
Over current Protection
Integrated Bi-directional Current Sense Amplifiers
Available in a QFN 5x5-26 package
Applications:
3-Phase BLDC and PMSM motors
Robotics
High power Gimbals
QFN5x5-26 Package

25. MPQ6541/A: 45V, 8A 3-Phase BLDC Driver w/ CSA
Features:
Fully integrated 3 half-bridge drivers
4.75V to 45V Operating Supply Voltage
8A Continuous Output Current
MOSFET On-Resistance: 13mΩ / FET
Internal Charge Pump Supports 100% Duty Cycle Operation
MPQ6541:PWM+EN & MPQ6541A:HS+LS Input
UVLO and Thermal Shutdown Protection
Over current Protection
Integrated Bi-directional Current Sense Amplifiers
Available in a QFN 6x6-26 package
Applications:
3-Phase BLDC and PMSM motors
Robotics
High power Gimbals
QFN6x6-26 Package

26. MP6542/A: 35V, 11A 3-Phase BLDC Driver w/ CSA
Features:
Fully integrated 3 half-bridge drivers
4.5V to 35V Operating Supply Voltage
11A Continuous Output Current
MOSFET On-Resistance: 10mΩ / FET
Internal Charge Pump Supports 100% Duty Cycle Operation
MP6542: PWM+EN & MP6542A: HS+LS Input
UVLO and Thermal Shutdown Protection
Over current Protection
Integrated Bi-directional Current Sense Amplifiers
Available in a QFN 6x6-26 package
Applications:
3-Phase BLDC and PMSM motors
Low power ESC
High power Gimbals
QFN6x6-26 Package

27. Thanks~