DRV3205-Q1中文资料德州仪器数据手册PDF规格书

1 Features

1• AEC-Q100 Qualified for Automotive Applications:

– Device Temperature Grade 1: –40°C to

+125°C Ambient Operating Temperature

• Three-Phase Bridge Driver for Motor Control

• Suitable for 12-V and 24-V Applications

• Three Integrated High-Accuracy Current Sense

Amplifiers

• Integrated Boost Converter, Gate Drive to 4.75 V

• Drives 6 Separate N-Channel Power MOSFETs

• Strong 1-A Gate Drive for High-Current FETs

• Programmable Dead Time

• PWM Frequency up to 20 kHz

• Supports 100% Duty Cycle Operation

• Short-Circuit Protection

– VDS-Monitoring (Adjustable Detection Level)

– Shunt Current Limit (Adjustable Detection

Level)

• Overvoltage and Undervoltage Protection

• Overtemperature Warning and Shut Down

• Sophisticated Failure Detection and Handling

Through SPI

• System Supervision

– Q&A Watchdog

– I/O Supply Monitoring

– ADREF Monitoring

• Programmable Internal Fault Diagnostics

• Sleep Mode Function

• Thermally-Enhanced 48-Pin HTQFP PowerPAD™

IC Package (7-mm × 7-mm Body)

2 Applications

• Automotive Motor-Control Applications

– Electrical Power Steering (EPS, EHPS)

– Electrical Brake and Brake Assist

– Transmission

– Pumps

• Industrial Motor-Control Applications

3 Description

The DRV3205-Q1 bridge driver is dedicated to

automotive three-phase brushless DC motor control

applications. The device provides six dedicated

drivers for standard-level N-channel MOSFET

transistors. A boost converter with an integrated FET

provides the overdrive voltage, allowing full control on

the power stages even for low battery voltage down

to 4.75 V. The strong driver strength is suitable for

high-current applications and programmable to limit

peak output current.

The device incorporates robust FET protection and

system monitoring functions like a Q&A watchdog

and voltage monitors for I/O supplies and ADC

reference voltages. Integrated internal diagnostic

functions can be accessed and programmed through

an SPI interface.