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STMICROELECTRONICS L6591 Power Management IC
The L6591 is a double-ended PWM controller designed for ZVS half bridge converters, supporting high-frequency operation with programmable deadtime, burst mode, and adaptive UVLO. It features a high-voltage startup circuit, protection functions like overcurrent protection, and dynamic mode operation depending on load conditions. Its integrated high-voltage driver with bootstrap diode facilitates efficient switching. Suitable for high power AC-DC adapters, desktop PCs, servers, and telecom SMPS, the IC optimizes energy efficiency, minimizes EMI, and ensures system safety during overloads or short circuits.
STMICROELECTRONICS L6591 Power Management IC Specifications:
- Operating Frequency: Up to 500 kHz
- High-Voltage Capable: >600 V withstand
- Protection: Overcurrent (latched or auto-restart), UVLO, short circuit
- Deadtime Programmable: Via external resistor and capacitor
- Input Voltage Range: 9 V to 618 V (high-side gate driver)
- Peak Gate Currents: 0.8 A sink, 0.3 A source
- Dimensional Package: SO16N
- Power Dissipation: 0.75 W at 50°C
- Junction Temp Range: -40°C to +150°C
- Temperature Resistance Junction-to-Ambient: 120°C/W
- Control Inputs: COMP (duty cycle modulation), LINE (power-on sequencing), SS (soft-start)
- Output Drive: High side and low side gate drive with bootstrap diode
- Protection Features: Latched shutdown, hiccup mode OCP, adaptive UVLO
- Application: AC-DC adapters, telecom SMPS, desktop power supplies
Buy the STMicroelectronics Series L6591 PWM Controller: 600V High-Frequency Power Management
Purchase the STMicroelectronics L6591 PWM controller online today for efficient, high-frequency ZVS half bridge applications. Ideal for adapters, servers, and telecom power supplies, this IC features advanced protection like overcurrent and UVLO, programmable deadtime, and burst mode for energy saving. Its high-voltage capabilities allow operation above 600 V, making it suitable for high-power applications. Experience seamless startup, optimal efficiency, and system safety with this robust controller. Order now to ensure your designs meet modern energy and performance standards.
Get STMicroelectronics L6591 today—built for precision, high-voltage operation, and reliable power management in high-frequency power supplies.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS L6591?
You can click on the BUY or RFQ button to purchase L6591 from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part L6591?
You can download the L6591 datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of L6591?
STMICROELECTRONICS