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SQ55560QFQ

Production
90V Gate Driver for three-Phase Sensorless BLDC Fan
Datasheet
SQ55560QFQ 90V Gate Driver for three-Phase Sensorless BLDC Fan Datasheet
Part number SQ55560QFQ
Vin (max) (V) 70
Vin (min) (V) 28
RDS(on) (HS + LS) (mΩ)
Peak output current (A)
Sleep current (µA) 62
Integrated FETs(Yes/No) No
Motor with control method BLDC with sensorless 180 degree modulation
Control interface I2C, Analog, PWM
Features Support 100% PWM Output, Integrated Buck, Code-free sensor-less control, Sine wave current, Bus current sample, Configurable MOS driver current, Rotor lock protection, Support tailwind and reverse startup, Current speed and power limit, 10-point speed curve setting
Operating temperature range(°C) -40 to 105
Package QFN4×4-32
Functional safety category

Evaluation Board

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    Photo of evaluation board

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EVB_SQ55560QFQ

The EVB_SQ55560QFQ is intended for evaluating 90V Gate Driver for three-Phase Sensorless BLDC Fan SQ55560QFQ.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12