XDPP1148-100B XDP™ integrated digital controller for DC-DC conversions with PWM and LLC support

Overview

The XDPP1148-100B is the latest generation of digital controller product family. It adds close-loop LLC topology support, enhanced feed-forward, non-linear fast transient, light load power management and bi-directional configuration. The high-performance AFE, state-machine-based digital control loop, and Cortex®-M0 processor integrated in the 4x4 mm 24-pin VQFN package enables high power quality, low latency, and flexible power supply designs.

Summary of Features

  • Industry's smallest 4x4 mm VQFN package
  • 100 MHz, 32bit Cortex®-M0 processor
  • Feed-forward control
  • PWM and PFM mode support
  • Phase-current balancing
  • 1 V-sense ADC and 2 I-sense ADCs
  • Burst mode, diode-emu & phase shedding
  • Fast transient & non-linear PID response
  • Firmware-based system configuration
  • Active current sharing
  • I2C/PMBus 1.4, UART and SPI interface
  • Low power consumption sleep mode

Benefits

  • Easy product differentiation
  • User-specific customerization
  • Fast time to market
  • Excellent dynamic transient performance
  • Reduced BOM size & low system cost
  • Sophisticated fault handling
  • Housekeeping with configurable GPIOs

Potential Applications

  • DC-DC brick modules
  • AI servers
  • Telecom infrastructure
  • 48 V Intermediate bus converter IBC
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