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

Part Models: 2
1ku List Price: Starting From $5.41

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
ADP1055ACPZ-R7	32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
ADP1055ACPZ-RL	32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN
No Match Found
Aug 21, 2019 - 19_0048 ADP1055 Die and Data Sheet Revision
		PCN19_0048_Form Material_Report Qualification Results Summary
ADP1055ACPZ-R7	PRODUCTION
ADP1055ACPZ-RL	PRODUCTION
Mar 17, 2015 - 15_0050 ADP1055 Data Sheet Change
		PCN15_0050_Form Material_Report
ADP1055ACPZ-R7	PRODUCTION
ADP1055ACPZ-RL	PRODUCTION
May 29, 2014 - 14_0136 Assembly and Test Transfer of Select 4x4 and 5x5 mm LFCSP Products to STATS ChipPAC China
		PCN14_0136_Form Material_Report Detailed Change Description Qualification Results Summary Test Correlation Report
ADP1055ACPZ-R7	PRODUCTION
ADP1055ACPZ-RL	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

Evaluation Software 1

ADP1055 Register Access Only Software (Rev. 2.1.12.1)

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

Evaluation Kits

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.

Resources

UG-710: Evaluating the 240 Watts ADP1055 Digital Controller for Isolated Power Supply with PMBus Interface
5669 kB

Software

ADP1055 Software (Rev.2.1.12)
34.04 M

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ADP1055

Part Details

Documentation

Data Sheet 1

User Guide 1

Application Note 3

Technical Articles 4

Video 2

Analog Dialogue 1