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DRV8320SRTVT Datasheet(PDF) 1 Page - Texas Instruments |
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DRV8320SRTVT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 89 page 6 to 60 V DRV832x Three-Phase Smart Gate Driver PWM Gate Drive Current Sense Current Sense 3x Shunt Amplifiers nFAULT M SPI or H/W 600 mA Protection Buck Regulator Copyright © 2017, Texas Instruments Incorporated Product Folder Order Now Technical Documents Tools & Software Support & Community 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. DRV8320, DRV8320R DRV8323, DRV8323R SLVSDJ3A – FEBRUARY 2017 – REVISED APRIL 2017 DRV832x 6 to 60-V Three-Phase Smart Gate Driver 1 1 Features 1 • Triple Half-Bridge Gate Driver – Drives High-Side and Low-Side N-Channel MOSFETs – Supports 100% PWM Duty Cycle • Smart Gate Drive Architecture – Adjustable Slew Rate Control – 10-mA to 1-A Peak Source Current – 20-mA to 2-A Peak Sink Current • Integrated Gate Driver Power Supplies – High-Side Charge Pump – Low-Side Linear Regulator • 6 to 60-V Operating Voltage Range • Optional Integrated Buck Regulator – LMR16006X SIMPLE SWITCHER® – 4 to 60-V Operating Voltage Range – 0.8 to 60-V, 600-mA Output Capability • Optional Integrated Triple Current Shunt Amplifiers – Adjustable Gain (5, 10, 20, 40 V/V) – Bidirectional or Unidirectional Support • Selectable SPI or Hardware Interface • 6x, 3x, 1x, and Independent PWM Modes • Supports 1.8-V, 3.3-V, and 5-V Logic Inputs • Low-Power Sleep Mode (20-µA) • Linear Voltage Regulator, 3.3 V, 30 mA • Compact QFN Packages and Footprints • Efficient System Design With CSD88599Q5DC • Integrated Protection Features – VM Undervoltage Lockout (UVLO) – Charge Pump Undervoltage (CPUV) – MOSFET Overcurrent Protection (OCP) – Gate Driver Fault (GDF) – Thermal Warning and Shutdown (OTW/OTSD) – Fault Condition Indicator (nFAULT) 2 Applications • BLDC Motor Modules • CPAPs, Fans, and Pumps • E-Bikes • Power Tools and Lawn Appliances • Drones, Robotics, and RC Toys • ATM and Currency Counting 3 Description The DRV832x family of devices are integrated gate drivers for three-phase applications. The devices provides three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The DRV832x generates the proper gate drive voltages using an integrated charge pump for the high-side MOSFETs and a linear regulator for the low-side MOSFETs. The smart gate drive architecture supports up to 1-A source and 2-A sink peak gate drive current capability. The DRV832x can operate from a single power supply and supports a wide input supply range of 6 to 60-V for the gate driver and 4 to 60-V for the optional buck regulator. The 6x, 3x, 1x, and independent input PWM modes allow for simple interfacing to controller circuits. Gate drive and device configuration settings are highly configurable through a SPI or hardware (H/W) interface. The DRV8323 and DRV8323R devices have three, integrated low-side shunt amplifiers that allow bidirectional current sensing on all three phases of the drive stage. The DRV8320R and DRV8323R devices integrate a 600-mA buck regulator. A low-power sleep mode is provided to achieve low quiescent current draw by shutting down most of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump fault, MOSFET overcurrent, MOSFET short circuit, gate driver fault, and overtemperature. Fault conditions are indicated on the nFAULT pin with details through the device registers for SPI device variants. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) DRV8320 WQFN (32) 5.00 mm × 5.00 mm DRV8320R VQFN (40) 6.00 mm × 6.00 mm DRV8323 WQFN (40) 6.00 mm × 6.00 mm DRV8323R VQFN (48) 7.00 mm × 7.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic |
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