ADP1055

RECOMMENDED FOR NEW DESIGNS

Digital Controller for Power Supply Applications with PMBus Interface

Data Sheet (Rev. A) Product Selection Table
Part Models
2
1ku List Price
Starting From $5.41
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Part Details

  • −40°C to +125°C operation with EEPROM data retention of 15 years at 125°C
  • PMBus Revision 1.2 compliant
  • 32-bit password protection with command masking
  • 64 address selections (16 base addresses, expandable to 64)
  • 6 PWM control signals, 625 ps resolution
  • Duty cycle double update rate
  • Digital control loop (PID + additional pole or zero configurability)
  • Programmable loop filters (CCM, DCM, low/normal temperature)
  • Frequency synchronization
  • Soft start and soft stop functionality
  • Average and peak constant current mode
  • External PN junction temperature sensing
  • 4 GPIOs (2 GPIOs configurable as active clamp snubber PWMs)
  • Fast line voltage feedforward
  • Adaptive dead time compensation for improved efficiency
  • Extended black box data recorder for fault recording
  • See datasheet for additional features
ADP1055
Digital Controller for Power Supply Applications with PMBus Interface
ADP1055 Typical Application Diagram ADP1055 Pin Configuration
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Documentation

Data Sheet 1

User Guide 1

Application Note 2

Technical Articles 4

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Software Resources

Evaluation Software 1

Hardware Ecosystem

Parts Product Life Cycle Description
Isolated Gate Drivers 3
ADUM3223
PRODUCTION

3 kV rms Isolated Precision Half-Bridge Driver, 4 A Output
ADuM4221
RECOMMENDED FOR NEW DESIGNS Isolated, Half Bridge Gate Driver with Adjustable Dead Time, Dual Input, 4 A Output
ADUM4223
PRODUCTION

5 KV rms Isolated Precision Half-Bridge Driver, 4 A Output
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Evaluation Kits

eval board
schematic 1
EVAL-ADP1055

ADP1055 Evaluation Board

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Product Details

The evaluation board features an isolated full bridge topology with full bridge secondary side rectification operating at 125KHz switching frequency. Its rated output is 12V, 20A with an input ranging from 38-60VDC.

The evaluation board features the ADP1055 digital controller as the main controller for providing various functions such as PWMs, voltage and current sensing, feedback, etc. It also provides protection features such as OCP, OVP, and OTP.

Advanced features such as black-box, active snubber, constant current mode, double update rate, digital compensation are self contained in the ADP1055.
EVAL-ADP1055
ADP1055 Evaluation Board
ADP1055-EVALZ Evaluation Board

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