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DRV8316 Datasheet(PDF) 1 Page - Texas Instruments |
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DRV8316 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 97 page  DRV8316-Q1 Three-Phase Integrated FET Motor Driver 1 Features • AEC-Q100 qualified for automotive applications – Temperature grade 1: –40°C ≤ TA ≤ 125°C • Three-phase BLDC motor driver • 4.5-V to 35-V operating voltage (40-V abs max) • High output current capability: 8-A Peak • Low MOSFET on-state resistance – 95-mΩ RDS(ON) (HS + LS) at TA = 25°C • Low power sleep mode – 1.5-µA at VVM = 24-V, TA = 25°C • Multiple control interface options – 6x PWM control interface – 3x PWM control interface • Supports up to 200-kHz PWM frequency for low inductance motor support • Cycle-by-cycle current limit • Integrated built-in current sense – Doesn't require external current sense resistors • Hardware or 5-MHz 16-bit SPI interface • Supports 1.8-V, 3.3-V, and 5-V logic inputs • Built-in 3.3-V (5%), 30-mA LDO regulator • Built-in 3.3-V/5-V, 200-mA buck regulator • Delay compensation reduces duty cycle distortion • Suite of integrated protection features – Supply undervoltage lockout (UVLO) – Charge pump undervoltage (CPUV) – Overcurrent protection (OCP) – Thermal warning and shutdown (OTW/OTSD) – Fault condition indication pin (nFAULT) – Optional fault diagnostics over SPI interface 2 Applications • Brushless-DC (BLDC) Motor Modules • Automotive LIDAR • Small Automotive Fans and Pumps • Automotive Actuators 3 Description The DRV8316-Q1 provides a single-chip power stage solution for customers driving 12-V brushless-DC motors up to 40-W. The DRV8316-Q1 integrates three 1/2-H bridges with 40-V absolute maximum capability and a very low RDS(ON) of 95mOhms (high-side plus low-side) to enable high power drive capability. Current is sensed using an integrated current sensing feature which eliminates the need for external sense resistors. Power management features of an adjustable buck regulator and LDO generate the necessary voltage rails for the device and can be used to power external circuits. DRV8316-Q1 implements a 6x or 3x PWM control scheme which can be used to implement sensored or sensorless field-oriented control (FOC), sinusoidal control, or trapezoid control using an external microcontroler. The DRV8316-Q1 is capable of driving a PWM frequency up to 200 kHz. The control scheme is highly configurable through hardware pins or register settings ranging from motor current limiting behavior to fault response. There are a large number of protection features integrated into the DRV8316-Q1, intended to protect the device, motor, and system against fault events. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) DRV8316R-Q1 VQFN (40) 7.00 mm x 5.00 mm DRV8316T-Q1(2) VQFN (40) 7.00 mm x 5.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. (2) Device available for preview only. nSLEEP DRVOFF SPI Only on SPI variant PWM input 6x / 3x PWM CSA out nFAULT A B C 4.5V to 35V (40V abs max) 8-A peak output current, typically 12-V, <40W motors Buck/LDO out 3.3 or 5.0 V, up to 200mA DRV8316-Q1 Buck/LDO Regulator Integrated Current Sensing Built-in Protec on Charge Pump MCU Simplified Schematic DRV8316-Q1 SLVSGK9 – JANUARY 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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