Texas Instruments DRV10983EVM-TB

Overview

DRV10983EVM-TB from Texas Instruments is an evaluation module for the DRV10983 three-phase sensorless BLDC motor driver IC, supporting 12–24-V input, 2-A continuous winding current, and I²C/SPEED/DIR/FG interface control. It enables rapid prototyping of ultra-quiet fan and HVAC motor drives with integrated buck regulator (3.3 V or 5 V output) and thermal protection.

For engineers reviewing the DRV10983EVM-TB datasheet, DRV10983EVM-TB pinout, DRV10983EVM-TB application, or DRV10983EVM-TB equivalent, this page delivers verified board-level specifications, power supply configuration guidance, motor spin-up tuning support, and TI's official reference design context for appliance and industrial BLDC systems.

Technical Context

The DRV10983EVM-TB implements the DRV10983 IC in a fully assembled, tested layout with external passive components including 47-µH inductor, 10-µF VCC and VREG capacitors, 1-µF charge-pump caps, and 0.1-µF decoupling on V3P3/V1P8. It supports both buck (switching) and linear regulator modes via jumper-selectable VREG configuration.

Board-level features include dedicated test points for U/V/W phase outputs, DIR/SPEED/FG signals, and VCC/VREG/V3P3 rails; exposed thermal pad soldered to PCB ground plane; and EEPROM-programmable motor parameters accessible via I²C. No external current-sense resistor is required due to integrated phase-to-phase overcurrent detection.

Key Specifications

Availability

DRV10983EVM-TB is available at Aetrix Electronics and suitable for HVAC blower development, appliance fan validation, and industrial BLDC motor control prototyping requiring stable component supply, pre-validated layout, and TI-supported tuning tools.

Supply support for DRV10983EVM-TB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor company delivering analog, embedded processing, and connectivity solutions with emphasis on reliability, efficiency, and system-level integration.

The DRV10983EVM-TB belongs to TI's motor driver evaluation platform family, designed to accelerate adoption of sensorless BLDC control in cost-sensitive, low-noise applications such as residential HVAC and white goods.

FAQ

What is the primary function of the DRV10983EVM-TB?

The DRV10983EVM-TB is an evaluation module that demonstrates and validates the DRV10983 three-phase sensorless BLDC motor driver IC. It provides a ready-to-use hardware platform with all necessary passives, test points, and jumpers to evaluate motor commutation, speed control via analog/PWM/I²C, and integrated regulator performance - enabling rapid firmware development and motor parameter tuning before custom PCB design. The DRV10983EVM-TB itself contains no active silicon beyond the mounted DRV10983 IC.

Does the DRV10983EVM-TB support both DRV10983 and DRV10983Z IC variants?

Yes, the DRV10983EVM-TB supports both the DRV10983 (standby mode, 3-mA quiescent current) and DRV10983Z (sleep mode, 180-µA quiescent current) ICs. The board accommodates either variant in the same HTSSOP-24 footprint and exposes identical signal routing and power paths. Selection depends on system-level power budget requirements - DRV10983 maintains regulator operation during idle; DRV10983Z shuts it down for ultra-low standby consumption.

How is the step-down regulator configured on the DRV10983EVM-TB?

The DRV10983EVM-TB implements the DRV10983's integrated step-down regulator using a 47-µH inductor and 10-µF output capacitor for buck (switching) operation, delivering either 3.3 V or 5 V depending on VregSel register setting. A jumper option allows replacement of the inductor with a resistor to configure linear regulator mode - reducing BOM count and EMI when lower efficiency is acceptable. VREG test points and feedback routing are fully accessible for measurement and loop analysis.

Can the DRV10983EVM-TB be used without an external microcontroller?

Yes - the DRV10983EVM-TB supports standalone operation using the dedicated SPEED (analog or PWM) and DIR pins for speed and direction control, with FG providing tachometer feedback. No microcontroller is required for basic motor spin-up and rotation. However, full feature access - including EEPROM programming, real-time register readback, fault diagnostics, and spin-up profile customization - requires connection to a host MCU via the I²C interface (SCL/SDA pins).

What motor parameters can be tuned using the DRV10983EVM-TB?

Using TI's DRV10983 Tuning Guide and I²C interface, users can tune key motor parameters on the DRV10983EVM-TB including open-loop start-up current, closed-loop acceleration/deceleration rates, BEMF zero-crossing hysteresis, FG pulse-per-revolution ratio, UVLO thresholds, and overcurrent trip levels. These settings are stored in on-chip EEPROM and persist across power cycles, allowing optimization for specific motor inductance, back-EMF constant, and load inertia without hardware changes.