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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STSPIN32G4 датащи(PDF) 15 Page - STMicroelectronics |
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STSPIN32G4 датащи(HTML) 15 Page - STMicroelectronics |
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15 / 48 page  5 Device description The STSPIN32G4 is a system-in-package embedding one MCU (STM32G431) and a triple half-bridge gate driver suitable for high performance 3-phase brushless motor applications. 5.1 Power management section The power management section of the device is composed by: • One buck regulator generating the VCC voltage (gate driver supply) from the main supply. • One LDO linear regulator generating 3.3 V (VREG3V3) starting from the VREGIN input voltage (ranging between 3.3 V and 15 V). • One low quiescent linear regulator generating low precision 3.3 V starting from the main supply. The VM pin is the main supply voltage of the device. When the REG3V3 supply is below VREG3V3(On), the control logic is not operative, and the internal registers are reset to the default. Figure 4. Power-up sequence (REGIN shorted with VCC) 8 V 3.3 V VM VCC = VREGIN VREG3V3 LS gate drivers leave UVLO condition Control logic is operative VON,Buck VCC(On) 7/32 x VCC VREG3V3(On) tSS,Buck 5.1.1 VCC buck regulator The device integrates a buck regulator generating the supply voltage for the gate drivers (VCC) starting from the motor supply (VM). The regulated voltage supplies the gate driving circuitry, charges the bootstrap capacitors and supplies external circuitry with a maximum overall consumption of 200 mA. STSPIN32G4 Device description DS13630 - Rev 1 page 15/48 |
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