Power Application Controller (PAC) Mar. 2014

Transcription

1 Power pplication Controller (PC) Mar. 2014

2 Reinventing Microcontroller Bag of chips, un-optimized Expensive, difficult to use Micro- Controller pplications Single application, inflexible Still can t support high voltage SIC Easy to use (more fun as well), low BOM, fast time to market Smart system performance, multiple applications MCU Core Micro pplicationcontroller(µc) TM 2

3 Power pplication Controller TM Industry-leading 32-bit RM Cortex TM M0 processor with patented smart peripherals Patented all-in-one power conversion solution First-in-market integrated high voltage power drivers up to 600V operation Sophisticated yet easily configurable analog frontend Proven analogarray methodology allows quick silicon spins 3

4 PC Block Diagram 50MHz RM 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 FLSH and 8kB SRM memory True 10-bit 1μs DC with multiinput/multi-sample control engine True 5V I/Osor 3.3V I/Os Up to 32 general purpose I/Os with tristate, 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 4

5 Power Supply Topologies Buck Mode Ultra-High-Voltage Buck Mode C/DC or PFC Flyback Mode PFC Boost Mode 5

6 Power Driver Resources by Part Numbers 6

7 PC52xx Product Family 8US patents filed on PC QFN packages -40 C to +105 C operation Software development kit ready 8+ pplication EVKs available 7

8 Offline High Voltage PMSM Motor Controller with FOC

9 Variable Frequency Drive (VFD) Current Solution 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 CiPoS - Infineon Power Modules Bag of chips PC5250 Integration 9

10 PC5250 VFD Board Schematic IGBT/MOSFET rray Instead of IPM 10

11 PC5250 EVK Enabled 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 higher reliability and smaller form factor Smart architecture optimized for power control systems Total system hibernate mode complete VFD controller based on single PC

12 FOC Firmware Features Features: Speed Estimation Hall Sensor Sensorless for C Induction Motor and IPMSM Loop Frequency up to 20kHz Field Weakening Table based PID based Source Code and Documentation available Small Memory Footprint 12kByte GUI: Easy access to all FOC parameters for easy and fast tuning during operation Logging Function Source code available to allow custom modifications 12

13 FOC 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 13

14 Brushless DC Motor Control Part number pplication Operation voltage PC5220 Single chip BLDC 54V max PC5221 Single chip BLDC 72V max

15 PC522x Based BLDC Solutions 15

16 PC5220 Based 48V, 25 BLDC Controller Schematic Support both hall-sensor and BEMF sensorless controls 16

17 PC5220/1 Based 48V 25 BLDC EVK for Power Tool & ebike pplications J4: Hall Sensors W V LED1: Over-current Indicator Motor Phases U SW1: Motor Enable VR1: Speed Control LED2: Power On Power In (20-55V) 17

18 24V 100W Brushless DC Motor Controller with FOC Industry s smallest BLDC controller with full Field Oriented Control (FOC) using high precision 3-shunt current sensing 18