SNVSCE8 July   2024 LM5190-Q1

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1. 4.1 Wettable Flanks
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings 
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Input Voltage Range (VIN)
      2. 6.3.2  High-Voltage Bias Supply Regulator (VCC, BIAS)
      3. 6.3.3  Precision Enable (EN)
      4. 6.3.4  Power-Good Monitor (PGOOD)
      5. 6.3.5  Switching Frequency (RT)
      6. 6.3.6  Low Dropout Mode
      7. 6.3.7  Dual Random Spread Spectrum (DRSS)
      8. 6.3.8  Soft Start
      9. 6.3.9  Output Voltage Setpoint (FB)
      10. 6.3.10 Minimum Controllable On Time
      11. 6.3.11 Inductor Current Sense (ISNS+, VOUT)
      12. 6.3.12 Voltage Loop Error Amplifier
      13. 6.3.13 Current Monitor, Programmable Current Limit, and Current Loop Error Amplifier (IMON/ILIM, ISET)
      14. 6.3.14 Dual Loop Architecture
      15. 6.3.15 PWM Comparator
      16. 6.3.16 Slope Compensation
      17. 6.3.17 High-Side and Low-Side Gate Drivers (HO, LO)
    4. 6.4 Device Functional Modes
      1. 6.4.1 Sleep Mode
      2. 6.4.2 Forced PWM Mode and Synchronization (FPWM/SYNC)
      3. 6.4.3 Thermal Shutdown
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Power Train Components
        1. 7.1.1.1 Buck Inductor
        2. 7.1.1.2 Output Capacitors
        3. 7.1.1.3 Input Capacitors
        4. 7.1.1.4 Power MOSFETs
        5. 7.1.1.5 EMI Filter
      2. 7.1.2 Error Amplifier and Compensation
    2. 7.2 Typical Applications
      1. 7.2.1 High Efficiency 400kHz CC-CV Regulator
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
          1. 7.2.1.2.1 Custom Design With Excel Quickstart Tool
          2. 7.2.1.2.2 Recommended Components
        3. 7.2.1.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 Power Stage Layout
        2. 7.4.1.2 Gate-Drive Layout
        3. 7.4.1.3 PWM Controller Layout
        4. 7.4.1.4 Thermal Design and Layout
        5. 7.4.1.5 Ground Plane Design
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
        1. 8.2.1.1 PCB Layout Resources
        2. 8.2.1.2 Thermal Design Resources
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information
7.2.1.2.2 Recommended Components

Table 7-3 shows a recommended list of materials for Figure 7-4. Please refer to the LM5190-Q1 CCCV Buck Controller Evaluation Module EVM user’s guide for the complete list of materials.

Table 7-3 List of Materials
QTY REF DES DESCRIPTION PART NUMBER MFR
1 CIN CAP, AL, 100uF, 100V, +/- 20%, 0.33ohm, SMD EMVY101ATR101MKE0S Chemi-Con
2 CCBOOT, CISET CAP, CERM, 0.1µF, VAC/100 VDC,+/- 20%, X7R, AEC-Q200 Grade 1, 0603 HMK107B7104MAHT Taiyo Yuden
6 CIN 4.7µF ±10% 100V Ceramic Capacitor X7R 1210 (3225 Metric) CNC6P1X7R2A475K250AE TDK
1 CIMON CAP, CERM, 0.01µF, 100V,+/- 10%, X7R, 0603 885012206114 Wurth Elektronik
1 CVIN CAP, CERM, 0.22µF, 100V,+/- 20%, X7S, AEC-Q200 Grade 1, 0603 HMK107C7224MAHTE Taiyo Yuden
4 COUT CAP, CERM, 22µF, 25V,+/- 10%, X7R, 1210 C1210C226K3RAC7800 Kemet
1 CVCC CAP, CERM, 2.2uF, 16V, +/- 20%, X7S, AEC-Q200 Grade 1, 0603 CGA3E1X7S1C225M080AC TDK
1 CCOMP CAP CER 0.012UF 25V C0G/NP0 0603 C0603C123J3GACTU Kemet
1 CHF CAP, CERM, 47pF, 50V,+/- 5%, C0G/NP0, AEC-Q200 Grade 0, 0603 CGA3E2NP01H470J080AA TDK
1 LOUT 6.8µH Shielded Molded Inductor 14.8A 12.5mOhm Max Nonstandard XGL1060-682MEC Coilcraft
2 QH, QL N-Channel 80V 13A (Ta), 57A (Tc) 3.7W (Ta), 73W (Tc) Surface Mount 5-DFN (5x6) (8-SOFL) NTMFS6H848NT1G onsemi
1 RIMONHF RES, 0, 5%, 0.1 W, 0603 RC0603JR-070RL Yageo
3 RENT, RPGOOD, RFBT RES, 100 k, 1%, 0.1 W, 0603 RC0603FR-07100KL Yageo
1 RENB RES, 8.87 k, 1%, 0.1 W, 0603 RC0603FR-078K87L Yageo
1 RFBB RES, 7.15 k, 1%, 0.1 W, 0603 RC0603FR-077K15L Yageo
1 RS RES, 0.005, 1%, 2 W, 2512 WIDE FCSL64R005FER Ohmite
1 RRT RES, 54.9 k, 1%, 0.1 W, 0603 RC0603FR-0754K9L Yageo
1 RISETD RES, 4.99 k, 1%, 0.1 W, 0603 RC0603FR-074K99L Yageo
1 RIMON RES, 9.53 k, 1%, 0.1 W, 0603 RC0603FR-079K53L Yageo
1 RCOMP RES, 5.90 k, 1%, 0.1 W, 0603 RC0603FR-075K9L Yageo