Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js
Menu
Product
Email
PDF
Order now
LM5190-Q1 80V, Automotive, Synchronous, Buck Controller With Constant Current and Constant Voltage Regulation
SNVSCE8
July 2024
LM5190-Q1
ADVANCE INFORMATION
CONTENTS
SEARCH
LM5190-Q1 80V, Automotive, Synchronous, Buck Controller With Constant Current and Constant Voltage Regulation
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
4.1
Wettable Flanks
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Input Voltage Range (VIN)
6.3.2
High-Voltage Bias Supply Regulator (VCC, BIAS)
6.3.3
Precision Enable (EN)
6.3.4
Power-Good Monitor (PGOOD)
6.3.5
Switching Frequency (RT)
6.3.6
Low Dropout Mode
6.3.7
Dual Random Spread Spectrum (DRSS)
6.3.8
Soft Start
6.3.9
Output Voltage Setpoint (FB)
6.3.10
Minimum Controllable On Time
6.3.11
Inductor Current Sense (ISNS+, VOUT)
6.3.12
Voltage Loop Error Amplifier
6.3.13
Current Monitor, Programmable Current Limit, and Current Loop Error Amplifier (IMON/ILIM, ISET)
6.3.14
Dual Loop Architecture
6.3.15
PWM Comparator
6.3.16
Slope Compensation
6.3.17
High-Side and Low-Side Gate Drivers (HO, LO)
6.4
Device Functional Modes
6.4.1
Sleep Mode
6.4.2
Forced PWM Mode and Synchronization (FPWM/SYNC)
6.4.3
Thermal Shutdown
7
Application and Implementation
7.1
Application Information
7.1.1
Power Train Components
7.1.1.1
Buck Inductor
7.1.1.2
Output Capacitors
7.1.1.3
Input Capacitors
7.1.1.4
Power MOSFETs
7.1.1.5
EMI Filter
7.1.2
Error Amplifier and Compensation
7.2
Typical Applications
7.2.1
High Efficiency 400kHz CC-CV Regulator
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.2.1
Custom Design With Excel Quickstart Tool
7.2.1.2.2
Recommended Components
7.2.1.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.1.1
Power Stage Layout
7.4.1.2
Gate-Drive Layout
7.4.1.3
PWM Controller Layout
7.4.1.4
Thermal Design and Layout
7.4.1.5
Ground Plane Design
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.2
Documentation Support
8.2.1
Related Documentation
8.2.1.1
PCB Layout Resources
8.2.1.2
Thermal Design Resources
8.3
Receiving Notification of Documentation Updates
8.4
Support Resources
8.5
Trademarks
8.6
Electrostatic Discharge Caution
8.7
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
10.1
Tape and Reel Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
RGY|19
MPQF777A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvsce8_oa
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
LM5190-Q1
80V
,
Automotive,
Synchronous, Buck Controller With Constant Current and Constant Voltage Regulation