QD9619AQR1数据手册uPI(UBIQ)中文资料规格书

描述 Description

The QD9619 is a Smart Power Stage (SPS) solutions with fully optimized, integrateddriver and MOSFETs for high-current, high frequency, synchronous buck DC-DC converters.The SPS enables higher performance at lower output voltages required by cutting edgeCPU, GPU and DDR memory designs.The QD9619 also enables advanced high accuracy module temperature reporting and on-chipsynchronous MOSFET current monitoring.The protection includes cycle-by-cycle overcurrent protection, Phase fault detection, preliminary over voltage protection, VCC/VDRVUVLO protection, and thermal shutdown.

The QD9619 is optimized for CPU core power delivery in server applications. Thisdevice combined with a multi-phase buck PWM controller forms a complete core voltageregulator for advanced micro-processors.

特性 Features

• Input Voltage (VIN) Range: 4.5V to 20V
•VCC and VDRV Supply Range: 4.5V to 5.5V
• Output Voltage Range: 0.4V to 1.8V
• Up to 60 A of Current Handling Capability
• Optimized for Switching Frequencies up to 700kHz
• 5mV / A On-chip MOSFET Current Sensing
• 8mV / ⁰C Temperature Analog Output
• On-chip MOSFET Temperature Compensation
• VCC/VDRV Under Voltage Lockout (UVLO)
• Thermal Shutdown and Fault Flag
• MOSFET Phase Fault Detection and Flag
• Cycle-by-Cycle Over Current Protection
• Preliminary Over Voltage (OV) Protection and Flag
• Support 3.3V and 5V Tri-State PWM Input
• Deep-Sleep Mode for Power Saving
• VOS Output Voltage Sensing Input
• Lead Free RoHS Compliant Package

应用 Application

• High frequency, low profile DC-DC converter
• Voltage Regulators for CPUs, GPUs, and DDR memory arrays