Power Application Controller (PAC)™ · • Industry-leading 32-bit ARM Cortex TM M0 processor...
Transcript of Power Application Controller (PAC)™ · • Industry-leading 32-bit ARM Cortex TM M0 processor...
TM
Power Application Controller (PAC)™
Mar. 2014
TM
Reinventing MicrocontrollerReinventing Microcontroller
Micro-
Controller
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Bag of chips, un-optimized
Expensive, difficult to use
ASIC A
Single application, inflexible
Still can’t support high voltage
ApplicationsApplications
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MCU
Core
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Micro Application Controller(µAC)TM
Easy to use (more fun as well), low BOM, fast time to market
Smart system performance, multiple applications
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Power Application Power Application ControllerControllerTMTM
• Industry-leading 32-bit ARM
CortexTM M0 processor with
patented smart peripherals
• Patented all-in-one power
conversion solution
• First-in-market integrated
high voltage power drivers
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high voltage power drivers
up to 600V operation
• Sophisticated yet easily
configurable analog frontend
• Proven analog array
methodology allows quick
silicon spins
TM
• 50MHz ARM Cortex-M0 32-bit
microcontroller core
• Fast single cycle 32-bit x 32-bit multiplier
• 24-bit SysTick timer
• 24-bit watchdog timer
• Nested vectored interrupt controller
(NVIC) with 20 external interrupts
• Wake-up interrupt controller allowing
power-saving sleep modes
• Up to 32kB FLASH and 8kB SRAM
memory
True 10-bit 1μs ADC with multi-
PAC Block Diagram
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memory
• True 10-bit 1μs ADC with multi-
input/multi-sample control engine
• True 5V I/Os or 3.3V I/Os
• Up to 32 general purpose I/Os with tri-
state, pull-up and pull-down and
dedicated I/O supply
• Flexible clock and PLL from internal 1%
oscillator, ring oscillator, external clock,
or crystal
• 9 timing generators
• Four 16-bit timers with up to 16 PWM/CC
blocks and 7 independent dead-time
controllers
• 4s or 8s watchdog timer
• Wake-up timer for sleep modes from
0.125s to 8s
TM
Power Supply TopologiesPower Supply Topologies
Buck Mode Ultra-High-Voltage Buck Mode
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AC/DC or PFC Flyback Mode PFC Boost Mode
TM Power Driver Resources
by Part Numbers
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TM
PAC52xx Product FamilyPAC52xx Product Family
• 8 US patents
filed on PAC™
• QFN packages
• -40°C to +105°C
operation
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operation
• Software
development kit
ready
• 8+ Application
EVKs available
TM
Offline High Voltage PMSM Motor
Controller with FOCController with FOC
TM
Issues with current “bag of chips” design approaches
• Expensive – both BOM and R&D costs
• Unnecessary tradeoffs between performance and cost
• Requires extensive system integration knowledge. Too many component choices
• Standard MCU and analog parts offer little system-level differentiation
Variable Frequency Drive (VFD) Variable Frequency Drive (VFD)
Current Solution Current Solution
CiPoS - Infineon Power Modules
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“Bag of chips”
PAC5250
Integration
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PAC5250 VFD Board Schematic PAC5250 VFD Board Schematic
IGBT/MOSFET ArrayIGBT/MOSFET Array
Instead of IPMInstead of IPM
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TM PAC5250 EVKPAC5250 EVK
Enabled Variable Frequency DriveEnabled Variable Frequency Drive
• Remove expensive IPM. Run variable
frequency drive (VFD) at a higher
speed and performance
• High efficiency designs made easy,
shorter development cycle
• Reduced component count means
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• Reduced component count means
higher reliability and smaller form
factor
• Smart architecture optimized for
power control systems
• Total system hibernate modeA complete VFD controller
based on single PAC5250
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FOC Firmware FeaturesFOC Firmware Features
Features:
• Speed Estimation
• Hall Sensor
• Sensorless for AC Induction
Motor and IPMSM
• Loop Frequency up to 20kHz
• Field Weakening
• Table based
GUI:
• Easy access to all FOC
parameters for easy and fast
tuning during operation
• Logging Function
• Source code available to allow
custom modifications
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• Table based
• PID based
• Source Code and Documentation
available
• Small Memory Footprint 12kByte
TM
FOC GUI InterfaceFOC GUI Interface
• Motor Parameters (I-limit, motor on/off)
• Speed estimator parameters (Vdc, Lq, #pole pairs)
• PID controllers (Iq, Id, speed, estimator)
• Motor estimated speed and angle, including timeline graph
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TM
Brushless DC Motor Control
Part number Application Operation voltage
PAC5220 Single chip BLDC 54V max
PAC5221 Single chip BLDC 72V max
TM
PAC522x Based BLDC SolutionsPAC522x Based BLDC Solutions
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TM PAC5220 Based 48V, 25APAC5220 Based 48V, 25A
BLDC Controller SchematicBLDC Controller Schematic
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Support both hall-sensor and BEMF sensorless controls
TM PAC5220/1 Based 48V 25A BLDC EVKPAC5220/1 Based 48V 25A BLDC EVK
for Power Tool & for Power Tool & eBikeeBike ApplicationsApplications
LED1:Over-currentIndicator
J4:Hall Sensors
Motor Phases
VW
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SW1:Motor Enable
VR1:Speed Control
LED2:Power On
Power In(20-55V)
U
TM 24V 100W Brushless DC 24V 100W Brushless DC
Motor Controller with FOCMotor Controller with FOC
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Industry’s smallest BLDC controller with full
Field Oriented Control (FOC) using high precision
3-shunt current sensing