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DRV8305NPHPR Motor / Motion / Ignition Controllers & Drivers
Product Overview
45-V Max 3-phase Smart Gate Driver for motor control applications with integrated current-shunt amplifiers and protection features.
Key Features
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 Package
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
Target Applications
Three-Phase BLDC and PMSM Motors
CPAP and Pumps
Robotics and RC Toys
Power Tools
Industrial Automation
Technical Description
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
Device Information
Part Number
Package
Body Size (Nom)
DRV8305
HTQFP (48)
7.00 mm × 7.00 mm
Product Images
Packaging & Shipping
Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their requirements.
Frequently Asked Questions
How to obtain the price?
We typically provide quotations within 24 hours of receiving your inquiry (excluding weekends and holidays). For urgent pricing requests, please contact us directly.
What is your delivery time?
Small batches typically ship within 7-15 days, while large batch orders may require approximately 30 days depending on order quantity and season.
What are your payment terms?
Factory pricing with 30% deposit and 70% balance payment via T/T before shipment.
What are the shipping options?
Available shipping methods include sea freight, air freight, and express delivery (EMS, UPS, DHL, TNT, FEDEX). Please confirm your preferred method before ordering.