SG3524 Control Integrated Circuit DIP‑16⚡

The SG3524 is a dependable, voltage‑mode PWM controller IC in a compact DIP‑16 package, ideal for power electronics design. Engineered for reliability and flexibility, it suits a wide range of applications—from switching power supplies and DC‑DC converters to motor control—and integrates smoothly into Arduino, Raspberry Pi, and other microcontroller prototyping environments.

Features & Benefits ⚙️

• Voltage‑mode PWM controller for precise duty‑cycle regulation and stable power conversion.
• Comprehensive PWM control circuitry integrates key building blocks to simplify power stage design.
• Built‑in oscillator with error amplifier for closed‑loop regulation.
• Customizable dead‑time control to minimize switch overlap and improve efficiency.
• Internal soft‑start for controlled startup and reduced inrush stress.
• Under‑voltage lockout (UVLO) with hysteresis for robust brownout protection.
• Low standby current to enhance overall system efficiency.

Technical Specifications 📐

• Supply voltage: 40 V
• Collector output current: 100 mA
• Storage temperature range: −65°C to +150°C
• Package type: DIP‑16

Typical Applications 🧰

The SG3524 DIP‑16 Control Integrated Circuit is versatile and well‑suited for many designs, including:

• Switching power supplies (AC‑DC and DC‑DC stages)
• DC‑DC converters (buck, boost, and isolated topologies)
• Motor control circuits for brushed DC motors and PWM drivers
• General‑purpose power amplifiers and PWM‑based driver stages

Integration Tips for Microcontroller Projects 🔧

• Pair with Arduino or Raspberry Pi for closed‑loop control, telemetry, or digital setpoint management.
• Use proper decoupling capacitors near the IC supply pins to reduce noise.
• Configure oscillator timing and dead‑time to match the target switching frequency and power stage.
• Observe voltage and current ratings on outputs and drivers; add level shifting or buffers if required.