Menu
Product
Email
PDF
Order now
UCC29002 and UCC39002 Advanced 8-Pin Load-Share Controller
SLUS495J
August 2001 – December 2023
UCC29002
,
UCC39002
PRODUCTION DATA
CONTENTS
SEARCH
UCC29002 and UCC39002 Advanced 8-Pin Load-Share Controller
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
Pin Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Differential Current-Sense Amplifier (CS+, CS−, CSO)
6.3.2
Load-Share Bus Driver Amplifier (CSO, LS)
6.3.3
Load-Share Bus Receiver Amplifier (LS)
6.3.4
Error Amplifier (EAO)
6.3.5
Adjust Amplifier Output (ADJ)
6.3.6
Enable Function (CS+, CS−)
6.3.7
Fault Protection on LS Bus
6.3.8
Start-Up and Adjust Logic
6.3.9
Bias Input and Bias_OK Circuit (VDD)
6.4
Device Functional Modes
6.4.1
Start-Up Mode
6.4.2
Normal Running Mode
6.4.3
Fault Mode
6.4.4
Disabled Mode
7
Application and Implementation
7.1
Application Information
7.2
Paralleling the Power Modules
7.3
Typical Application
7.3.1
Measuring the Voltage Loop of a Power Module
7.3.2
Detailed Design Procedure
7.3.2.1
The Shunt Resistor
7.3.2.2
The CSA Gain
7.3.2.3
Determining RADJ
7.3.2.4
Error Amplifier Compensation
7.3.3
Application Curve
7.4
Power Supply Recommendations
7.5
Layout
7.5.1
Layout Guidelines
7.5.2
Layout Example
8
Device and Documentation Support
8.1
Receiving Notification of Documentation Updates
8.1.1
Documentation Support
8.2
Related Links
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
DGK|8
MPDS028E
P|8
MPDI001B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slus495j_oa
slus495j_pm
search
No matches found.
Full reading width
Full reading width
Comfortable reading width
Expanded reading width
Card for each section
Card with all content
Data Sheet
UCC29002 and UCC39002 Advanced 8-Pin Load-Share Controller
1
Features
High accuracy; capable of < 1% current-share error at full load
High-side or low-side (GND-referenced) current-sense capability
Ultra-low offset current-sense amplifier
Single-wire load-share bus
Full scale adjustability
Intel®
SSI load-share specification compliant
Disconnect from load-share bus at stand-by
Load-share bus protection against shorts to GND or to the supply rail
8-pin VSSOP package minimizes space
Lead-free assembly