CHIP CARRIER, HEAT SINK/SLUG, VERY VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
0.8 mm
Supply Current-Max:
10 mA
Supply Voltage-Max:
60 V
Supply Voltage-Min:
4.5 V
Supply Voltage-Nom:
24 V
Supply Voltage1-Max:
65 V
Supply Voltage1-Min:
4.5 V
Supply Voltage1-Nom:
24 V
Surface Mount:
YES
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
NO LEAD
Terminal Pitch:
0.4 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Turn-off Time:
0.14 µs
Turn-on Time:
0.145 µs
Width:
4 mm
DRV8328BRUYR Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the DRV8328BRUYR datasheet (SLVSBJ5) and in the application note 'DRV832x Three-Phase Brushless Motor Driver EVM User's Guide' (SLVUAF5). The layout should prioritize symmetry, minimize loop areas, and keep sensitive nodes away from noisy areas.
The OCP and SCP features can be configured using the OCPTH and SCPPTH registers. The OCP threshold should be set based on the motor's current rating, and the SCP delay should be set based on the system's requirements. Refer to the datasheet and application notes for detailed configuration guidelines.
The VREG output is a 5V regulated voltage source that can be used to power external components, such as sensors or microcontrollers. It should be decoupled with a 10uF capacitor and can supply up to 10mA of current. Ensure that the total current drawn from VREG does not exceed the recommended limit.
The nFAULT and FAULT outputs can be used to detect faults such as overcurrent, overtemperature, and undervoltage. A fault detection and protection scheme can be implemented by connecting these outputs to a microcontroller or a dedicated fault detection IC, which can then take appropriate action, such as shutting down the motor or triggering an alarm.
The recommended gate resistance value is typically between 1Ω and 10Ω, depending on the motor's characteristics and the system's requirements. A lower gate resistance can improve the motor's efficiency and reduce EMI, but may increase the driver's power dissipation. A higher gate resistance can reduce the driver's power dissipation but may decrease the motor's efficiency and increase EMI.
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DRV8328BRUYR Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
