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General-Purpose Inverter
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Overview
A general-purpose inverter is a device that provides highly accurate, variable control of the speed of a motor. Inverters are widely used in industrial equipment such as construction machinery, food processing equipment, conveyors, printing presses, fans, and pumps. The trend in recent years has been toward more diversity in inverter designs, with added features like Ethernet or USB interfaces to enable remote control. General-purpose inverters have achieved greater levels of performance and become smaller as their usage has become more widespread.
Renesas Electronics is facilitating this trend by offering the SH-2/SH-2A series and V850 series of MCUs. These 32-bit RISC devices are ideal for converter control applications because they incorporate various peripheral functions such as timers and interrupt controllers, as well as Ethernet, USB, and serial interfaces. Renesas also supplies other semiconductor components for inverter applications: control TRIACs, IGBTs, and so on. Advanced functionality, high performance, reduced power consumption, and lower cost characterize the products offered.
System Block Diagram
Recommended Products
| Block | Semiconductor device | Recommended products | Features, etc. | |
|---|---|---|---|---|
| Control MCU | MCU | SH7216 | Three-phase PWM *1, timers, 5V operation, enhanced A/D | |
| SH7280, SH7211 | ||||
| RX62T | High-function PWM*1 timer: 2 units × 16 bits High-speed 12-bit AD | |||
| V850E/MA3 | 32-bit high-end general-purpose microcontroller,9-channel PWM*1 timer | |||
| V850E2/ME3 | 32-bit high-end general-purpose microcontroller,8-channel PWM*1 timer | |||
| V850E2/ML4 | 32-bit high-end general-purpose microcontroller, PWM timer: 2 units x 16 bits | |||
| MCU peripheral | SRAM | R1LVxxxxx Series | Low power consumption, guaranteed over wide operating termperature range | |
| Reset IC | RNA5195x | Variable detection voltage | ||
| Sensor output | Op-amp Comparator | HA1630 Series | General-purpose CMOS op-amp, comparator Low power consumption | |
| HA1631 Series | ||||
| UPC358GR-9LG | Single power supply dual op-amp, low power consumption | |||
| UPC4570GR-9LG | Wideband dual op-amp | |||
| General use surge absorption circuit protection, etc. | Zener diode | HZMxNB Series | 3-terminal (1 device included) face-mount outline High ESD tolerance optimal for use in surge absorption | |
| RKZxxKG Series | 2-terminal face-mount outline High ESD tolerance optimal for use in surge absorption | |||
| Switching diode | HSC119 / HSU119 | 2-terminal face-mount outline | ||
| HSM2838C, HSM123 | 3-terminal (2 devices included) face-mount | |||
| Schottky diode | HRB0502A | 3-terminal face-mount outline (low VF) | ||
| HRC0103C | 2-terminal face-mount outline (low VF, low leak current) | |||
| HRV103A, RKR104BKH | 2-terminal face-mount small outline (Io = 1 A) | |||
| Main motor | EEPROM | R1EX24xxx Series | I2C bus interface *2 | |
| R1EX25xxx Series | SPI bus interface *3 | |||
| Inverter | IGBT | RJH60D2 Series * | Short circuit time required | |
| IGBT gate driver | Photocoupler (IGBT 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) | |
| TRIAC control | Photocoupler (Standard) | PS25xx Series PS27xx Series PS28xx Series | High isolation voltage (5 kV r.m.s.), 4p-DIP High isolation voltage (3.75 kV r.m.s.), 4p-SOP High isolation voltage (2.5 kV r.m.s.), 4p-SSOP | |
| For signal transmission | Photocoupler (high-speed) | 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 | PFC IC | R2A20112, 117, 118A, 132 | Critical conduction mode interleaving |
| R2A20114 | Continuous conduction mode interleaving | |||
| IGBT | RJH60Fx/608x Series | Fast switching, reduced conduction loss | ||
| Inrush current prevention ciruit | TRIAC | BCR Series | Surface-mount package (LDPAK(S)-(1)) Non-isolated package (TO-220) Isolated package (TO-220F, TO-220FL) | |
| *1 PWM: Pulse Width Modulation *2 I2C: Inter-Integrated Circuit *3 SPI: Serial Peripheral Interface | * = Under development
|
Related Application Notes/Sample Code
| Title | Document No. |
|---|---|
| Power MOS FET application note | REJ05G0001-0200 |
| R2A20112 application note * | - |
| R2A20115 application note * | - |
| R2A20117 application note * | - |
| R2A20118A application note * | - |
| R2A20132 application note * | - |
| SH7080/SH7146/SH7125/SH7200 Series application note three-phase complementary PWM output | REJ06B0474-0100 |
*: Please contact your sales representative or contact us directly.
Related Middleware
| Name | Part No. |
|---|---|
| R2A20112 evaluation board * | - |
| R2A20115 evaluation board * | - |
| R2A20117 evaluation board * | - |
| R2A20118A evaluation board * | - |
| R2A20132 evaluation board * | - |
*: Please contact your sales representative or contact us directly.
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