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AC Servo System
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Overview
AC servo systems must operate at high speeds and be capable of versatile waveform output. Communication equipment also requires different handling depending on the system or region of use. Our platform for embedded systems in a package (PFESiP®), a gate array that facilitates creation of dedicated microcontrollers, satisfies these needs. With the PFESiP, the gate array block of an EP-1 Series product is developed using an FPGA (Field-Programmable Gate Array) and a development evaluation board that enables pre-verification under conditions extremely close to those of an actual chip.
*EP: Embedded Processor
System Block Diagram
Recommended Products
| Block | Semiconductor device | Recommended products | Features, etc. |
|---|---|---|---|
| Inverter control | PFESiP | EP-1 | General-purpose chip and gate array integrated on a system in package (SiP): on-chip V850E2 core, 200 MHz (max.) operation, 192 KB instruction RAM, USB 2.0 host/function, sophisticated timer optimal for motor control, chip-select remapping function |
| Gate array | CMOS-9HD | High-speed gate array: 0.35 µm CMOS process, high density through 3-/4-layer wiring channel-less structure (SOG) | |
| MCU | RX62T | High-function 3-phase PWM timer: 2 units × 16 bits High-speed 12-bit AD | |
| SH7216 | 3-phase PWM timer, 5V operation, enhanced A/D | ||
| SH7280 / SH7211 | |||
| V850E/IF3 | 32-bit All Flash microcontroller for inverter control: two-channel 3-phase motor control timer, 64 MHz operation, 80 or 100 pins | ||
| V850E/IG3 | |||
| V850E/MA3 | 32-bit microcontroller: 80 MHz operation, 512 KB (max.) on-chip ROM, 144-pins | ||
| V850E/ME2 | 32-bit microcontroller, 150MHz operation, 128KB on-chip instruction RAM, 176-pin | ||
| V850E2/ML4 * | 32-bit microcontroller, 200MHz operation, 3-phase motor control timer, on-chip flash ROM: max. 1 MB, 216-pin | ||
| MCU peripheral | SRAM | R1LVxxxxx Series | Low power consumption, guaranteed over wide operating termperature range |
| Main motor | EEPROM | R1EX24xxx Series | I2C bus interface *1 |
| R1EX25xxx Series | SPI bus interface *2 | ||
| IGBT gate drive | Photocoupler for IGBT gate drive | PS9305 / PS9306 （6p-SDIP) NEW PS9308 (6p-SDIP) NEW PS9505 / PS9506 （8p-DIP) NEW | High withstand voltage (5 kVr.m.s.) 0.6 A output / 2.0 A output / 2.5 A output High noise tolerance (CMR = 25 kV/us) |
| Motor drive | IGBT | RJH60D2* Series | Short circuit time required |
| CMOS Op-amp. | HA1630Dxx/HA1630Qxx | Motor current control (low votlage, low power consumption, output full-swing, high impedance) | |
| TRIAC control | MCU peripheral | PS25xx Series PS27xx Series PS28xx Series | High isolation voltage (5 kVr.m.s.), 4p-DIP High isolation voltage (3.75 kVr.m.s.), 4p-SOP High isolation voltage (2.5 kVr.m.s.), 4p-SSOP |
| For signal transmission | Photocoupler (IGBT drive) | PS9113 (5p-SOP) PS9117A (5p-SOP) PS9817A-1, PS9817A-2 (8p-SOP) | 1 Mbps, open collector output, low circuit current 10 Mbps, open collector output, low circuit current 10 Mbps (PS9817A-2 contains 2 circuits) |
| Power supply | PFC | R2A20112, 117, 118A, 132 | Critical conduction mode interleaving |
| R2A20114 | Continuous conduction mode interleaving | ||
| RJH60Fx/608xB Series | Fast switching, reduced conduction loss | ||
| TRIAC | BCR Series | Planar process, high reliability Non-isolated package (TO-220) Isolated package (TO-220F, TO-220FL) |
| *1 I 2 C: Inter-Integrated Circuit *2 SPI : Serial Peripheral Interface | * = Under development |
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