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SIM6813M Datasheet(PDF) 4 Page - Sanken electric |
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SIM6813M Datasheet(HTML) 4 Page - Sanken electric |
4 / 16 page 4 SANKEN ELECTRIC CO., LTD. SIM6800M-DS Ver.02 High Voltage 3-Phase Motor Driver ICs SIM6800M Series NOTE: ▪ W1 and W2, as well as V1 and V2< must be externally connected to each other. ▪ If not using the Current Limiter (OCL) function, leave the OCL and SD pins open, but the SD pin should be connected to GND if significant external noise is observed. ▪ Place a pull-up resistor, RFO, between the 3.3 V or 5 V supply and the IC, selected according to anti-noise characteristics, even though a 1 MΩ pull-up resistor is built-in at the ¯F¯¯¯O¯ pin. Note that connecting to the 3.3 V or 5 V supply without a pull-up resistor disables the TSD function (however, low-side UVLO protection and OCP function remain active). ▪ To avoid malfunctions resulting from noise interference, place a 0.001 to 0.01 μF ceramic capacitor (CFO) between the ¯F¯¯¯O¯ and COM2 pins. ▪ To avoid malfunctions resulting from noise interference, the traces must be as short as possible between the IC and the bootstrap capacitors, Cbootx (approximately 1 μF). ▪ To avoid malfunctions resulting from noise interference, place a 0.01 to 0.1 μF ceramic capacitor between the VCC1 and COM1 pins, as well as between the VCC2 and COM2 pins. Also, the traces between them must be as short as possible. ▪ To avoid malfunctions resulting from noise interference, the traces between the current sense resistor RS, which is placed between the LS and COM2 pins, and the IC must be as short and wide as possible. ▪ To avoid malfunction, the wiring between the LS and COM2 pins should be as short as possible. When wiring cannot be shortened sufficiently, insert a fast diode between LS and COM2. ▪ When the low pass filter (RC filter, RO, CO in the typical application circuit) is connected to the shunt resistor for current detection, the time constant should be set to be 0.2 μs or shorter. Care should be taken because destruction of the IPM may be caused due to detection delay when the time constant of filter is set to be 0.2 μs or longer, because a filter (1.5 μs(min)) is incorporated in the OCP circuit of the IPM. Typical Application Diagram SD VCC1 VB1B VB2 VB3 W2 U LS1 FO COM2 LIN3 LIN2 LIN1 VCC2 COM1 HIN3 HIN2 HIN1 OCL W1 V1 V VBB V2 15V 5V OCP LS2 LS3A DC-link RS Ro Co RFO CFO Brushless DC motor U V W COM Low Side Driver UVLO UVLO UVLO UVLO Input Logic Input Logic (OCP reset) UVLO High Side Level Shift Driver OCPandOCL Thermal Shutdown OCP VB1A LS3B Cboot1 Cboot2 Cboot3 MOSFETs for SIM6812M and SIM6813M A A A A A A A |
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