SWCS128A March   2015  – December 2015

PRODUCTION DATA.  

  1. 1 Device Overview
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
    4. 1.4 Functional Block Diagram
  2. 2 Revision History
  3. 3 Pin Configuration and Functions
  4. 4 Specifications
    1. 4.1  Absolute Maximum Ratings
    2. 4.2  ESD Ratings
    3. 4.3  Recommended Operating Conditions
    4. 4.4  Thermal Information
    5. 4.5  Electrical Characteristics: Total Current Consumption
    6. 4.6  Electrical Characteristics: Reference and Monitoring System
    7. 4.7  Electrical Characteristics: Buck Controllers
    8. 4.8  Electrical Characteristics: Synchronous Buck Converters
    9. 4.9  Electrical Characteristics: LDOs
    10. 4.10 Electrical Characteristics: Load Switches
    11. 4.11 Digital Signals: I2C Interface
    12. 4.12 Digital Input Signals (CTLx)
    13. 4.13 Digital Output Signals (IRQB, GPOx)
    14. 4.14 Timing Requirements
    15. 4.15 Switching Characteristics
    16. 4.16 Typical Characteristics
  5. 5 Detailed Description
    1. 5.1 Overview
    2. 5.2 Functional Block Diagram
    3. 5.3 SMPS Voltage Regulators
      1. 5.3.1 Controller Overview
      2. 5.3.2 Converter Overview
      3. 5.3.3 DVS
      4. 5.3.4 Decay
      5. 5.3.5 Current Limit
    4. 5.4 LDOs and Load Switches
      1. 5.4.1 VTT LDO
      2. 5.4.2 LDOA1-LDOA3
      3. 5.4.3 Load Switches
    5. 5.5 Power Goods (PGOOD or PG) and GPOs
    6. 5.6 Power Sequencing and VR Control
      1. 5.6.1 CTLx Sequencing
      2. 5.6.2 PG Sequencing
      3. 5.6.3 Enable Delay
      4. 5.6.4 Power Up Sequence
      5. 5.6.5 Power Down Sequence
      6. 5.6.6 Sleep State Entry and Exit
      7. 5.6.7 Emergency Shutdown
    7. 5.7 Device Functional Modes
      1. 5.7.1 Off Mode
      2. 5.7.2 Standby Mode
      3. 5.7.3 Active Mode
    8. 5.8 I2C Interface
      1. 5.8.1 F/S-Mode Protocol
    9. 5.9 Register Maps
      1. 5.9.1  Register Map Summary
      2. 5.9.2  DEVICEID: PMIC Device and Revision ID Register (offset = 1h) [reset = OTP-Programmable]
      3. 5.9.3  IRQ: PMIC Interrupt Register (offset = 2h) [reset = 0000 0000]
      4. 5.9.4  IRQ_MASK: PMIC Interrupt Mask Register (offset = 3h) [reset = 1111 1111]
      5. 5.9.5  PMICSTAT: PMIC Status Register (offset = 4h) [reset = 0000 0000]
      6. 5.9.6  SHUTDNSRC: PMIC Shut-Down Event Register (offset = 5h) [reset = 0000 0000]
      7. 5.9.7  BUCK1CTRL: BUCK1 Control Register (offset = 20h) [reset = OTP-Programmable]
      8. 5.9.8  BUCK2CTRL: BUCK2 Control Register (offset = 21h) [reset = OTP-Programmable]
      9. 5.9.9  BUCK3DECAY: BUCK3 Decay Control Register (offset = 22h) [reset = OTP-Programmable]
      10. 5.9.10 BUCK3VID: BUCK3 VID Register (offset = 23h) [reset = OTP-Programmable]
      11. 5.9.11 BUCK3SLPCTRL: BUCK3 Sleep Control VID Register (offset = 24h) [reset = OTP-Programmable]
      12. 5.9.12 BUCK4CTRL: BUCK4 Control Register (offset = 25h) [reset = OTP-Programmable]
      13. 5.9.13 BUCK5CTRL: BUCK5 Control Register (offset = 26h) [reset = OTP-Programmable]
      14. 5.9.14 BUCK6CTRL: BUCK6 Control Register (offset = 27h) [reset = OTP-Programmable]
      15. 5.9.15 LDOA2CTRL: LDOA2 Control Register (offset = 28h) [reset = OTP-Programmable]
      16. 5.9.16 LDOA3CTRL: LDOA3 Control Register (offset = 29h) [reset = OTP-Programmable]
      17. 5.9.17 DISCHCTRL1: Discharge Control1 Register (offset = 40h) [reset = OTP-Programmable]
      18. 5.9.18 DISCHCTRL2: Discharge Control2 Register (offset = 41h) [reset = OTP-Programmable]
      19. 5.9.19 DISCHCTRL3: Discharge Control3 Register (offset = 42h) [reset = OTP-Programmable]
      20. 5.9.20 PG_DELAY1: Power Good Delay1 Register (offset = 43h) [reset = OTP-Programmable]
      21. 5.9.21 FORCESHUTDN: Force Emergency Shutdown Control Register (offset = 91h) [reset = 0000 0000]
      22. 5.9.22 BUCK1SLPCTRL: BUCK1 Sleep Control Register (offset = 92h) [reset = OTP-Programmable]
      23. 5.9.23 BUCK2SLPCTRL: BUCK2 Sleep Control Register (offset = 93h) [reset = OTP-Programmable]
      24. 5.9.24 BUCK4VID: BUCK4 VID Register (offset = 94h) [reset = OTP-Programmable]
      25. 5.9.25 BUCK4SLPVID: BUCK4 Sleep VID Register (offset = 95h) [reset = OTP-Programmable]
      26. 5.9.26 BUCK5VID: BUCK5 VID Register (offset = 96h) [reset = OTP-Programmable]
      27. 5.9.27 BUCK5SLPVID: BUCK5 Sleep VID Register (offset = 97h) [reset = OTP-Programmable]
      28. 5.9.28 BUCK6VID: BUCK6 VID Register (offset = 98h) [reset = OTP-Programmable]
      29. 5.9.29 BUCK6SLPVID: BUCK6 Sleep VID Register (offset = 99h) [reset = OTP-Programmable]
      30. 5.9.30 LDOA2VID: LDOA2 VID Register (offset = 9Ah) [reset = OTP-Programmable]
      31. 5.9.31 LDOA3VID: LDOA3 VID Register (offset = 9Bh) [reset = OTP-Programmable]
      32. 5.9.32 BUCK123CTRL: BUCK1-3 Control Register (offset = 9Ch) [reset = OTP-Programmable]
      33. 5.9.33 PG_DELAY2: Power Good Delay2 Register (offset = 9Dh) [reset = OTP-Programmable]
      34. 5.9.34 SWVTT_DIS: SWVTT Disable Register (offset = 9Fh) [reset = OTP-Programmable]
      35. 5.9.35 I2C_RAIL_EN1: VR Pin Enable Override1 Register (offset = A0h) [reset = OTP-Programmable]
      36. 5.9.36 I2C_RAIL_EN2/GPOCTRL: VR Pin Enable Override2/GPO Control Register (offset = A1h) [reset = OTP-Programmable]
      37. 5.9.37 PWR_FAULT_MASK1: VR Power Fault Mask1 Register (offset = A2h) [reset = OTP-Programmable]
      38. 5.9.38 PWR_FAULT_MASK2: VR Power Fault Mask2 Register (offset = A3h) [reset = OTP-Programmable]
      39. 5.9.39 GPO1PG_CTRL1: GPO1 PG Control1 Register (offset = A4h) [reset = OTP-Programmable]
      40. 5.9.40 GPO1PG_CTRL2: GPO1 PG Control2 Register (offset = A5h) [reset = OTP-Programmable]
      41. 5.9.41 GPO4PG_CTRL1: GPO4 PG Control1 Register (offset = A6h) [reset = OTP-Programmable]
      42. 5.9.42 GPO4PG_CTRL2: GPO4 PG Control2 Register (offset = A7h) [reset = OTP-Programmable]
      43. 5.9.43 GPO2PG_CTRL1: GPO2 PG Control1 Register (offset = A8h) [reset = OTP-Programmable]
      44. 5.9.44 GPO2PG_CTRL2: GPO2 PG Control2 Register (offset = A9h) [reset = OTP-Programmable]
      45. 5.9.45 GPO3PG_CTRL1: GPO3 PG Control1 Register (offset = AAh) [reset = OTP-Programmable]
      46. 5.9.46 GPO3PG_CTRL2: GPO3 PG Control2 Register (offset = ABh) [reset = OTP-Programmable]
      47. 5.9.47 MISCSYSPG Register (offset = ACh) [reset = OTP-Programmable]
      48. 5.9.48 LDOA1CTRL: LDOA1 Control Register (offset = AEh) [reset = OTP-Programmable]
      49. 5.9.49 PG_STATUS1: Power Good Status1 Register (offset = B0h) [reset = 0000 0000]
      50. 5.9.50 PG_STATUS2: Power Good Status2 Register (offset = B1h) [reset = 0000 0000]
      51. 5.9.51 PWR_FAULT_STATUS1: Power Fault Status1 Register (offset = B2h) [reset = 0000 0000]
      52. 5.9.52 PWR_FAULT_STATUS2: Power Fault Status2 Register (offset = B3h) [reset = 0000 0000]
      53. 5.9.53 TEMPCRIT: Temperature Fault Status Register (offset = B4h) [reset = 0000 0000]
      54. 5.9.54 TEMPHOT: Temperature Hot Status Register (offset = B5h) [reset = 0000 0000]
      55. 5.9.55 OC_STATUS: Overcurrent Fault Status Register (offset = B6h) [reset = 0000 0000]
  6. 6 Application and Implementation
    1. 6.1 Application Information
      1. 6.1.1 Typical Application
        1. 6.1.1.1 Design Requirements
        2. 6.1.1.2 Detailed Design Procedure
          1. 6.1.1.2.1 Controller Design Procedure
            1. 6.1.1.2.1.1 Selecting the Inductor
            2. 6.1.1.2.1.2 Selecting the Output Capacitors
            3. 6.1.1.2.1.3 Selecting the FETs
            4. 6.1.1.2.1.4 Bootstrap Capacitor
            5. 6.1.1.2.1.5 Setting the Current Limit
            6. 6.1.1.2.1.6 Selecting the Input Capacitors
          2. 6.1.1.2.2 Converter Design Procedure
            1. 6.1.1.2.2.1 Selecting the Inductor
            2. 6.1.1.2.2.2 Selecting the Output Capacitors
            3. 6.1.1.2.2.3 Selecting the Input Capacitors
          3. 6.1.1.2.3 LDO Design Procedure
        3. 6.1.1.3 Application Curves
    2. 6.2 VIN 5-V Application
      1. 6.2.1 Design Requirements
      2. 6.2.2 Design Procedure
        1. 6.2.2.1 Controller Design Procedure
          1. 6.2.2.1.1 Selecting the LC Output Filter
          2. 6.2.2.1.2 Selecting the FETs
          3. 6.2.2.1.3 Setting the Current Limit
          4. 6.2.2.1.4 Selecting the Input Capacitors
      3. 6.2.3 Application Curve
    3. 6.3 Do's and Don'ts
  7. 7 Power Supply Coupling and Bulk Capacitors
  8. 8 Layout
    1. 8.1 Layout Guidelines
    2. 8.2 Layout Example
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
      2. 9.1.2 Development Support
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Community Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  10. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Package Option Addendum
      1. 10.1.1 Packaging Information
      2. 10.1.2 Tape and Reel Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

2 Revision History

Changes from * Revision (March 2015) to A Revision

  • Changed device status from: PRODUCT PREVIEW to: PRODUCTION DATA Go
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