Dolphin Design offer a Reusable Power Kit Library toward three objectives: To standardize and ease Power Regulation Network integration To enable diverse optimizations To reduce Time-to-Market The eSR-Tugela is an inductor-based buck switching regulator with high efficiency.

Key Benefits

  • High efficiency buck regulator (up to 95% peak), over wide load current range
  • Pulse With Modulation (PWM) mode enabling to master the frequency response
  • Automatic mode change of the Power Stage Unit, maintaining high-efficiency at low load current
  • Low Bill-Of-Material: fully integrated feedback and active compensation loop do not require additional external passive components.
  • Behavioral models: ease integration in SoC and optimized Power Management Network (PMNet) by verifying mode transitions as well as noise propagation
  • Support of 5 V input for USB or Lithium battery

Key Features

PARAMETERS CONDITION
Minimum value
Typical value
Maximum value
Input Voltage
- 1.9 V 5.5 V
Output Voltage
- 0.6 V 3.3 V
Output current configuration
- - 100 mA;200 mA;300 mA;400 mA;500 mA;1000 mA -

Applications

  • Smart Headset
  • TWS Earpods
  • Smart Speaker
  • Voice Assistant
  • Hearing aids
  • Voice-controlled devices
  • Bluetooth
  • NB-IoT
  • ULP MCU
  • WiFi
  • GNSS
  • Cellular IoT

Key Performances

  • Up to 95 % peak efficiency (for NDO configurations).
  • 90 % efficiency down to 0.2 IMAX (for NDO configurations).
  • 70 % efficiency down to 0.01 IMAX (for NDO configurations).
  • 3 % DC output voltage accuracy

Technical information

  • Technology: GlobalFoundries 22 FDX
  • Add-ons:
    • -