Overview
The DRV10983-Q1, produced by Texas Instruments, is a 3-phase sensorless brushless DC (BLDC) motor driver designed for cost-sensitive, low-noise, and low-external-component-count applications. This device is particularly suited for fan and pump applications in automotive and industrial settings. It features integrated power MOSFETs, allowing for continuous drive current up to 2 A, and operates with a supply voltage range of 6.2 V to 28 V, with protection against load dump conditions up to 45 V.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | HTSSOP-24 |
| Package Size | 7.80 mm × 6.40 mm |
| Supply Voltage Range | 6.2 V to 28 V |
| Continuous Drive Current | Up to 2 A |
| Operating Ambient Temperature | –40°C to 125°C |
| Standby Current | 8.5 mA (DRV10983SQ), 48 µA (DRV10983Q) |
| Integrated Regulators | 5 V buck converter, 3.3 V LDO |
| Interface | PWM, Analog, I2C |
| Motor Speed Feedback | FG pin and I2C interface |
| Protection Features | Overcurrent protection, thermal shutdown, undervoltage lockout |
Key Features
- Proprietary sensorless control scheme for continuous sinusoidal drive, reducing pure tone acoustics.
- Integrated power MOSFETs for efficient motor control.
- Dedicated SPEED pin for analog or PWM input and FG pin for TACH feedback.
- Customizable spin-up profile using EEPROM.
- Forward-reverse control with DIR pin.
- Integrated buck converter and 3.3 V LDO for powering internal and external circuits.
- Low power consumption with sleep and standby modes.
- Thermal shutdown and overcurrent protection for enhanced reliability.
- I2C interface for reprogramming motor parameters and EEPROM.
Applications
The DRV10983-Q1 is designed for various applications, including:
- Fans and pumps in automotive systems.
- Industrial automation and control systems.
- Low-noise and cost-sensitive motor control applications.
- Systems requiring low external component count.
Q & A
- What is the supply voltage range of the DRV10983-Q1?
The supply voltage range is 6.2 V to 28 V, with protection against load dump conditions up to 45 V. - What is the maximum continuous drive current of the DRV10983-Q1?
The maximum continuous drive current is up to 2 A. - What types of interfaces does the DRV10983-Q1 support?
The device supports PWM, analog, and I2C interfaces. - How does the DRV10983-Q1 provide motor speed feedback?
Motor speed feedback is available through both the FG pin and the I2C interface. - What are the power consumption modes of the DRV10983-Q1?
The device has a standby mode (8.5 mA) and a sleep mode (48 µA). - What protection features does the DRV10983-Q1 include?
The device includes overcurrent protection, thermal shutdown, and undervoltage lockout. - What is the operating ambient temperature range of the DRV10983-Q1?
The operating ambient temperature range is –40°C to 125°C. - How can motor parameters be customized in the DRV10983-Q1?
Motor parameters can be customized using the EEPROM and I2C interface. - What types of regulators are integrated into the DRV10983-Q1?
The device includes a 5 V buck converter and a 3.3 V LDO. - What is the purpose of the DIR pin in the DRV10983-Q1?
The DIR pin is used for forward-reverse control of the motor.
