Description:Operating Junction Temperature up to 175°C; Operating Voltage Range from 5.5 V to 28 V with Tolerance from 4.5 V to 40 V; Embedded Proprietary Sensorless Trapezoidal- and Sinusoidal Commutation; SPI Interface for Real-time Parameterization and Diagnostic; Various System Protection Features Including: ♦ Shoot through Protection Using Configurable Dead Time ♦ Drain-source Short Detection ♦ Cycle-by-cycle Current Limit and Overcurrent Shutdown ♦ Overvoltage and Undervoltage Shutdown ♦ Overtemperature Warning a
Mainland China, Malaysia, Philippines, Thailand, Vietnam
ECCN Code:
EAR99
HTS Code:
8542.39.00.60
Manufacturer:
onsemi
YTEOL:
0
Analog IC - Other Type:
3-PHASE BRUSHLESS DC MOTOR CONTROLLER
JESD-609 Code:
e6
Moisture Sensitivity Level:
3
Peak Reflow Temperature (Cel):
260
Terminal Finish:
Tin/Bismuth (Sn/Bi)
Time@Peak Reflow Temperature-Max (s):
30
LV8961HUWR2G Frequently Asked Questions (FAQs)
For optimal thermal performance, it is recommended to use a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer. The device should be placed near a thermal pad or a heat sink to dissipate heat efficiently. A minimum of 10 vias under the device is recommended to connect the thermal pad to the ground plane.
To ensure reliable operation in high-temperature environments, it is essential to follow the recommended operating conditions and thermal design guidelines. The device should be operated within the specified temperature range, and the PCB should be designed to minimize thermal resistance. Additionally, consider using thermal interface materials and heat sinks to improve heat dissipation.
The recommended input capacitor is a 10uF ceramic capacitor with a voltage rating of 50V or higher. The recommended output capacitor is a 22uF ceramic capacitor with a voltage rating of 25V or higher. These capacitors should be placed as close to the device as possible to minimize noise and ensure stable operation.
To troubleshoot issues with the device not turning on or not regulating the output voltage, check the input voltage, enable pin, and output voltage feedback loop. Ensure that the input voltage is within the specified range, the enable pin is properly biased, and the output voltage feedback loop is properly connected. Also, check for any short circuits or open circuits on the PCB.
The recommended EMI filter design for this device includes a pi-filter configuration with a 10uF input capacitor, a 10uH inductor, and a 10uF output capacitor. This filter configuration helps to reduce electromagnetic interference and ensure compliance with regulatory standards.
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LV8961HUWR2G Overview
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