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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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DRV8317 데이터시트(PDF) 1 Page - Texas Instruments |
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DRV8317 데이터시트(HTML) 1 Page - Texas Instruments |
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1 / 69 page  DRV8317 Three-Phase PWM Motor Driver 1 Features • Three-phase BLDC motor driver – Configurable slew rate for EMI mitigation – Programmable gain current sensing – Supports up to 200-kHz PWM frequency – Integrated shoot through protection • 4.5-V to 20-V operating voltage – 24-V absolute maximum voltage • High output current capability – 5-A peak current drive • Low on-state resistance MOSFETs – RDS(ON) (HS + LS) at TA = 25°C : 130-mΩ (typical) • Ultra-low Q-current sleep mode – 3-µA (max.) at VVM = 12-V, TA = 25°C • Multiple control interface options – 6x PWM control interface – 3x PWM control interface • Integrated current sensing – No external current sense resistor required – Three-phase current sense outputs • SPI and hardware device variants – 10-MHz SPI interface variant for flexibility – Pin configurable variant for simplicity • Supports 1.8-V, 3.3-V, and 5-V logic inputs • Built-in 3.3-V ± 4.5%, 80-mA LDO regulator • Integrated protection features – VM under voltage lockout (UVLO) – VM over voltage protection (OVP) – Charge pump under voltage (CPUV) – Over current protection (OCP) – Over temperature warning and shutdown (OTW/OTS) – Fault condition indication pin (nFAULT) 2 Applications • Brushless-DC (BLDC) Motor Modules • Air Purifiers • Dishwasher Pumps • Vacuum Robots • Washer and Dryer Pumps • Drones and Hand-held Gimbals • Laptop, Desktop, and Server Fans • Coffee Machines 3 Description DRV8317 provides three integrated MOSFET half- bridges for driving three-phase brushless DC (BLDC) motors with 5-V, 9-V, 12-V, or 18-V DC rails or 2s to 4s batteries. The device provides integrated three- phase current sensing which eliminates the need for external sense resistors. DRV8317 has an integrated LDO that provides a regulated 3.3-V rail capable of delivering up to 80mA for external loads like MCU, logic circuits, hall sensors etc., DRV8317 provides a configurable 6x or 3x PWM control scheme which can be used to implement sensored or sensorless field-oriented control (FOC), sinusoidal control, or trapezoidal control using an external microcontroller. DRV8317 is capable of driving a PWM frequency of up to 200 kHz. DRV8317 is highly configurable either through SPI (DRV8317S) or pins (DRV8317H) - PWM mode, slew rate, current sense gain are some of the configurable features. A number of protection features including supply under voltage lockout (UVLO), over voltage protection (OVP), charge pump under voltage (CPUV), over current protection (OCP), over temperature warning (OTW) and over temperature shutdown (OTS) are integrated into DRV8317 to protect the device, motor, and system against fault events. Fault conditions are indicated by the nFAULT pin. Device Variant Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) DRV8317S(2) WQFN (36) 5.00 mm × 4.00 mm DRV8317H WQFN (36) 5.00 mm × 4.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. (2) Device available for preview only. nSLEEP PWM input 6x / 3x PWM CSA out 3x current feedback nFAULT A B C 4.5 to 20-V (24-V abs max) 5-A peak output current LDO out 3.3V, up to 80mA DRV8317S/H LDO Regulator Integrated Current Sensing Built-in Protec on Charge Pump MCU SPI Only on SPI variant Figure 3-1. DRV8317S/H Simplified Schematic DRV8317 SLVSGT3 – DECEMBER 2022 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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