DRV8305

ACTIVO

Controlador de puerta trifásico inteligente de 45 V máx. con amplificadores de derivación de corrien

Detalles del producto

Rating Catalog Architecture Gate driver Control interface 1xPWM, 3xPWM, 6xPWM Gate drive (A) 1 Vs (min) (V) 4.4 Vs ABS (max) (V) 45 Features Current sense Amplifier, LDO, SPI/I2C, Smart Gate Drive, Watchdog timer Operating temperature range (°C) -40 to 125
Rating Catalog Architecture Gate driver Control interface 1xPWM, 3xPWM, 6xPWM Gate drive (A) 1 Vs (min) (V) 4.4 Vs ABS (max) (V) 45 Features Current sense Amplifier, LDO, SPI/I2C, Smart Gate Drive, Watchdog timer Operating temperature range (°C) -40 to 125
HTQFP (PHP) 48 81 mm² 9 x 9
  • 4.4-V to 45-V Operating Voltage
  • 1.25-A and 1-A Peak Gate Drive Currents
  • Programmable High- and Low-Side Slew-Rate Control
  • Charge-Pump Gate Driver for 100% Duty Cycle
  • Three Integrated Current-Shunt Amplifiers
  • Integrated 50-mA LDO (3.3-V and 5-V Option)
  • 3-PWM or 6-PWM Input Control up to 200 kHz
  • Single PWM-Mode Commutation Capability
  • Supports Both 3.3-V and 5-V Digital Interface
  • Serial Peripheral Interface (SPI) for Device Settings and Fault Reporting
  • Thermally-Enhanced 48-Pin HTQFP
  • Protection Features:
    • Fault Diagnostics and MCU Watchdog
    • Programmable Dead-Time Control
    • MOSFET Shoot-Through Prevention
    • MOSFET VDS Overcurrent Monitors
    • Gate-Driver Fault Detection
    • Reverse Battery-Protection Support
    • Limp Home-Mode Support
    • Overtemperature Warning and Shutdown
  • 4.4-V to 45-V Operating Voltage
  • 1.25-A and 1-A Peak Gate Drive Currents
  • Programmable High- and Low-Side Slew-Rate Control
  • Charge-Pump Gate Driver for 100% Duty Cycle
  • Three Integrated Current-Shunt Amplifiers
  • Integrated 50-mA LDO (3.3-V and 5-V Option)
  • 3-PWM or 6-PWM Input Control up to 200 kHz
  • Single PWM-Mode Commutation Capability
  • Supports Both 3.3-V and 5-V Digital Interface
  • Serial Peripheral Interface (SPI) for Device Settings and Fault Reporting
  • Thermally-Enhanced 48-Pin HTQFP
  • Protection Features:
    • Fault Diagnostics and MCU Watchdog
    • Programmable Dead-Time Control
    • MOSFET Shoot-Through Prevention
    • MOSFET VDS Overcurrent Monitors
    • Gate-Driver Fault Detection
    • Reverse Battery-Protection Support
    • Limp Home-Mode Support
    • Overtemperature Warning and Shutdown

The DRV8305 device is a gate driver IC for three-phase motor-drive applications. The device provides three high-accuracy and temperature compensated half-bridge drivers, each capable of driving a high-side and low-side N-channel MOSFET. A charge pump driver supports 100% duty cycle and low-voltage operation. The device can tolerate load dump voltages up to 45-V.

The DRV8305 device includes three bidirectional current-shunt amplifiers for accurate low-side current measurements that support variable gain settings and an adjustable offset reference.

The DRV8305 device has an integrated voltage regulator (3.3-V or 5-V) to support an MCU or other system power requirements. The voltage regulator can be interfaced directly with a standard LIN physical interface to allow low system standby and sleep currents.

The gate driver uses automatic handshaking when switching to prevent current shoot through. The VDS of both the high-side and low-side MOSFETs is accurately sensed to protect the external MOSFETs from overcurrent conditions. The SPI provides detailed fault reporting, diagnostics, and device configurations such as gain options for the current shunt amplifier, individual MOSFET overcurrent detection, and gate-drive slew-rate control.

Device Options: DRV8305N: Voltage reference DRV83053: 3.3-V, 50-mA LDO DRV83055: 5-V, 50-mA LDO

The DRV8305 device is a gate driver IC for three-phase motor-drive applications. The device provides three high-accuracy and temperature compensated half-bridge drivers, each capable of driving a high-side and low-side N-channel MOSFET. A charge pump driver supports 100% duty cycle and low-voltage operation. The device can tolerate load dump voltages up to 45-V.

The DRV8305 device includes three bidirectional current-shunt amplifiers for accurate low-side current measurements that support variable gain settings and an adjustable offset reference.

The DRV8305 device has an integrated voltage regulator (3.3-V or 5-V) to support an MCU or other system power requirements. The voltage regulator can be interfaced directly with a standard LIN physical interface to allow low system standby and sleep currents.

The gate driver uses automatic handshaking when switching to prevent current shoot through. The VDS of both the high-side and low-side MOSFETs is accurately sensed to protect the external MOSFETs from overcurrent conditions. The SPI provides detailed fault reporting, diagnostics, and device configurations such as gain options for the current shunt amplifier, individual MOSFET overcurrent detection, and gate-drive slew-rate control.

Device Options: DRV8305N: Voltage reference DRV83053: 3.3-V, 50-mA LDO DRV83055: 5-V, 50-mA LDO

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Documentación técnica

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Tipo Título Fecha
* Data sheet DRV8305 Three Phase Gate Driver With Current Shunt Amplifiers and Voltage Regulator datasheet (Rev. B) PDF | HTML 25 feb 2016
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 14 oct 2021
Application note System Design Considerations for High-Power Motor Driver Applications PDF | HTML 22 jun 2021
Application note Understanding Smart Gate Drive (Rev. D) 01 mar 2021
White paper Power Electronics in Motor Drives: Where is it? (Rev. A) 01 oct 2019
Application brief Low Voltage Motor Drive Operation With Smart Gate Drive 20 dic 2018
Application brief Field Oriented Control Made Easy for Brushless DC Motors Using Smart Gate Drive (Rev. B) 22 ago 2018
Application note Cut-Off Switch in High-Current Motor-Drive Applications (Rev. A) 20 ago 2018
Application note Dual Motor Ctl Using FCL and Perf Analysis Using SFRA on TMS320F28379D LaunchPad (Rev. A) 20 mar 2018
Application note Performance Analysis of Fast Current Loop (FCL) in Servo 06 mar 2018
Technical article The other motors in electric vehicle systems (part 2) PDF | HTML 17 oct 2016
Design guide 18-V/400-W 98% Efficient Compact Brushless DC Motor Drive Design Guide 23 ago 2016
Technical article How to minimize MOSFET conduction loss in battery-powered motor drives PDF | HTML 29 jun 2016
Technical article Tools to simplify brushless motor development PDF | HTML 11 sep 2015
Application note Sensored 3-Phase BLDC Motor Control Using MSP430 20 jul 2011
Application note Shelf-Life Evaluation of Lead-Free Component Finishes 24 may 2004

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

BOOSTXL-DRV8305EVM — Módulo de evaluación BoosterPack DRV8305N de accionamiento de motor trifásico

The BOOSTXL-DRV8305EVM is a 15A, 3-phase brushless DC drive stage based on the DRV8305 motor gate driver and CSD18540Q5B NexFET™ power MOSFET. The module has individual DC bus and phase voltage sense as well as individual low-side current shunt sense for sensorless BLDC algorithms. The module (...)

Guía del usuario: PDF
Diseños de referencia

TIDA-00771 — Diseño de referencia de control del motor de CC sin escobillas compacto de 10.8 V/250 W, 97 % de efi

The TIDA-00771 is a 20 A RMS drive for a three phase brushless DC (BLDC) motor in power tools operating from a 3-cell Li-ion battery with a voltage range of 5 V to 12.6 V. This design is a 45 x 50 mm compact drive implementing sensor-based trapezoidal control. The design uses a discrete, compact (...)
Design guide: PDF
Esquema: PDF
Diseños de referencia

TIDA-00916 — Diseño de referencia FOC de alta velocidad sin sensor para Drone ESC

ESC modules are important subsystems for non-military drones and users demanding more efficient models that provide longer flight times and higher dynamic behavior with smoother and more stable performance. This design implements an Electronic Speed Controller (ESC) commonly used for unmanned (...)
Design guide: PDF
Esquema: PDF
Diseños de referencia

TIDA-00643 — Diseño de referencia del controlador de hélice de drones de CC sin escobillas de alto rendimiento, d

The TIDA-00643 reference design is a 4.4 to 30 V brushless DC motor controller for high power drones, quadcopter, propeller, fan, and pump applications. It uses the Texas Instrument’s DRV8305 brushless DC motor gate driver, CSD17573Q5B 30V NexFET power MOSFETs, TPD4E05U06 TVS protection IC, (...)
Design guide: PDF
Esquema: PDF
Diseños de referencia

TIDA-00772 — Diseño de referencia de control del motor de CC sin escobillas compacto de 18 V/400 W, 98 % de efici

The TIDA-00772 is a 18 A RMS drive for a three phase brushless DC (BLDC) motor in power tools operating from a 5-cell Li-ion battery with a voltage up to 21 V. This design is a 45 x 50 mm compact drive implementing sensor-based trapezoidal control. The design uses a discrete, compact MOSFET-based (...)
Design guide: PDF
Esquema: PDF
Diseños de referencia

TIDA-00645 — Diseño de referencia de control de motor de CC sin escobillas de 1 PWM

This design is a 3-phase sensored Brushless DC Motor controller that uses a single PWM input for controlling speed and three active-high hall sensors for rotor position detection.  The DRV8305's integrated commutation table simplifies the microcontroller firmware required for proper (...)
Design guide: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HTQFP (PHP) 48 Ultra Librarian

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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