XL33035 – Brushless DC Motor Controller – Xinluda

The Xinluda XL33035 is a monolithic three-/four-phase brushless DC motor controller in a SOIC-24-300mil package, integrating rotor position decoding, a 6.25 V reference, current limiting, and thermal/undervoltage protection for power MOSFET drive systems.

The XL33035 from Xinluda is a high-performance second-generation monolithic brushless DC (BLDC) motor controller that integrates all of the active functions needed to implement a full-featured open-loop, three- or four-phase motor control system on a single chip. It is widely used as a functional equivalent to classic 33035-series controllers, making it a practical choice for both new designs and legacy maintenance.

The device combines a rotor position decoder for correct commutation sequencing with a temperature-compensated 6.25 V reference capable of supplying sensor power, a frequency-programmable sawtooth oscillator, three open-collector top drivers, and three high-current totem-pole bottom drivers ideally suited to driving external power MOSFETs. It supports electrical sensor phasings of 60°/300° or 120°/240° and can also efficiently control brush DC motors.

Key Features

• Monolithic brushless DC motor controller (three- and four-phase capable)
• Supply voltage operating range: 10 V to 30 V (VCC)
• Typical supply current: 12 mA (VCC = VC = 20 V)
• 6.25 V temperature-compensated reference capable of supplying sensor power
• Three open-collector top drivers (50 mA sink) and three totem-pole bottom drivers (100 mA output current) for power MOSFET drive
• Rotor position decoder supporting 60°/300° and 120°/240° sensor phasings
• Frequency-programmable sawtooth oscillator
• Cycle-by-cycle current limiting with selectable time-delayed latched shutdown
• Undervoltage lockout, internal thermal shutdown, and dedicated fault output
• Operating ambient temperature range: -40 °C to +85 °C
• Package: SOIC-24-300mil (also offered in DIP-24 / SOP-24)

Applications

• Brushless DC (BLDC) motor drive and commutation
• Brush DC motor speed control
• Cooling fans, blowers, and pumps
• Industrial automation and motion control
• Appliance and HVAC motor systems
• Power tools and battery-powered equipment

Why Source XL33035 from Pacific Component Xchange

The XL33035 is a specialized motor-control IC with limited authorized-distributor availability, which can make it difficult to source reliably for production runs and legacy support. Pacific Component Xchange is an independent distributor focused on hard-to-find and obsolete motor-control and power-management ICs. We help engineers and procurement teams secure the XL33035 and equivalent 33035-series controllers through our global supply network, with attention to authenticity, traceability, and worldwide shipping.

Pricing on the XL33035 is offered by quotation. Submit an RFQ to Pacific Component Xchange today for current availability, lead time, and pricing on the quantities you need.