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SMA6861M 데이터시트(PDF) 1 Page - Sanken electric |
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1 / 17 page 28610.12, Rev. 3 Description The SMA6860M inverter power module (IPM) series provides a robust, highly-integrated solution for optimally controlling 3-phase motor power inverter systems and variable speed control systems used in energy-conserving designs to drive motors of residential and commercial appliances. These ICs take 230 VAC input voltage, and up to 2.5 A (continuous) output current. They can withstand voltages of up to 500 V (MOSFET breakdown voltage). The SMA6860M power package includes an IC with all of the necessary power elements (six MOSFETs), pre-driver ICs (two), and bootstrap diodes (three), needed to configure the main circuit of an inverter. This enables the main circuit of the inverter to be configured with fewer external components than traditional designs. Applications include residential white goods (home applications) and commercial appliance motor control: • Air conditioner fan • Small ventilation fan • Dishwasher pump Features and Benefits ▪ Built-in pre-drive IC ▪ MOSFET power element ▪ Alleviate noise generation by adjusting an internal resistor ▪ CMOS compatible input (5 V) ▪ High-side gate driver using bootstrap circuit or floating power supply ▪ Built-in protection circuit for controlling power supply voltage drop (UVLO on VCC) ▪ Overcurrent protection (OCP), overcurrent limiting (OCL), and thermal shutdown (TSD) ▪ Output of fault signal during operation of protection circuit ▪ Output current 1.5, 2, or 2.5 A ▪ Small SIP (SMA 24-pin) High Voltage 3-Phase Motor Drivers Figure 1. Driver block diagram. Functional Block Diagram Low-Side Driver UVLO UVLO UVLO UVLO Input Logic Input Logic (OCP Reset ) UVLO Thermal Shutdown SD1 VCC1 VB1 VB2 VB3 VBB U V W1 W2 LS 2 LS 1 SD2 COM2 LIN3 LIN2 LIN1 VCC 2 COM1 HIN3 HIN2 HIN1 High-Side Level Shift Driver OCL OCP and OCL RC OCP Packages: Power SIP Leadform 2451 Leadform 2452 Not to scale A. SD1, SD2 terminals are used for both input and output. B. SD1, SD2, and OCL terminals are open-collector output. RC terminal is open-drain output. C. Blanking Time (tblank) is used in Overcurrent Limiting (OCL) and Overcurrent Protection (OCP). If the time exceeds the limit, the signal will be output (open-collector output turns on), and protection operation will start up. SMA6860M Series |
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