ZHCSR16 September   2022 TPS544C26

ADVANCE INFORMATION  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Internal VCC LDO and Using an External Bias on VCC/VDRV Pin
      2. 7.3.2  Input Undervoltage Lockout (UVLO)
        1. 7.3.2.1 Fixed VCC UVLO
        2. 7.3.2.2 Fixed VDRV UVLO
        3. 7.3.2.3 Programmable PVIN UVLO
        4. 7.3.2.4 Enable
      3. 7.3.3  Differential Remote Sense and Internal Feedback Divider
      4. 7.3.4  Set the Output Voltage and VID Table
      5. 7.3.5  Startup and Shutdown
      6. 7.3.6  Dynamic Voltage Slew Rate
      7. 7.3.7  Adaptive Voltage Positioning (Droop) and DC Load Line (DCLL)
      8. 7.3.8  Loop Compensation
      9. 7.3.9  Set Switching Frequency
      10. 7.3.10 Switching Node (SW)
      11. 7.3.11 Overcurrent Limit and Low-side Current Sense
      12. 7.3.12 Negative Overcurrent Limit
      13. 7.3.13 Zero-Crossing Detection
      14. 7.3.14 Input Overvoltage Protection
      15. 7.3.15 Output Overvoltage and Undervoltage Protection
      16. 7.3.16 Overtemperature Protection
      17. 7.3.17 VR Ready
      18. 7.3.18 Catastrophic Fault Alert: CAT_FAULT#
      19. 7.3.19 Telemetry
      20. 7.3.20 I2C Interface General Description
        1. 7.3.20.1 Setting the I2C Address
        2. 7.3.20.2 I2C Write Protection
        3. 7.3.20.3 I2C Registers With Special Handling
    4. 7.4 Device Functional Modes
      1. 7.4.1 Forced Continuous-Conduction Mode
      2. 7.4.2 Auto-Skip Eco-mode™ Light Load Operation
    5. 7.5 Programming
      1. 7.5.1 Supported I2C Registers
      2. 7.5.2 Support of Intel SVID Interface
    6. 7.6 Register Maps
      1. 7.6.1  (01h) OPERATION
      2. 7.6.2  (02h) ON_OFF_CONFIG
      3. 7.6.3  (03h) CLEAR_FAULTS
      4. 7.6.4  (15h) STORE_USER_ALL
      5. 7.6.5  (16h) RESTORE_USER_ALL
      6. 7.6.6  (33h) FREQUENCY_SWITCH
      7. 7.6.7  (35h) VIN_ON
      8. 7.6.8  (36h) VIN_OFF
      9. 7.6.9  (40h) VOUT_OV_FAULT_LIMIT
      10. 7.6.10 (41h) VOUT_OV_FAULT_RESPONSE
      11. 7.6.11 (42h) VOUT_OV_WARN_LIMIT
      12. 7.6.12 (43h) VOUT_UV_WARN_LIMIT
      13. 7.6.13 (44h) VOUT_UV_FAULT_LIMIT
      14. 7.6.14 (45h) VOUT_UV_FAULT_RESPONSE
      15. 7.6.15 (46h) IOUT_OC_FAULT_LIMIT
      16. 7.6.16 (4Fh) OT_FAULT_LIMIT
      17. 7.6.17 (50h) OT_FAULT_RESPONSE
      18. 7.6.18 (51h) OT_WARN_LIMIT
      19. 7.6.19 (55h) VIN_OV_FAULT_LIMIT
      20. 7.6.20 (60h) TON_DELAY
      21. 7.6.21 (61h) TON_RISE
      22. 7.6.22 (64h) TOFF_DELAY
      23. 7.6.23 (65h) TOFF_FALL
      24. 7.6.24 (6Bh) PIN_OP_WARN_LIMIT
      25. 7.6.25 (7Ah) STATUS_VOUT
      26. 7.6.26 (7Bh) STATUS_IOUT
      27. 7.6.27 (7Ch) STATUS_INPUT
      28. 7.6.28 (7Dh) STATUS_TEMPERATURE
      29. 7.6.29 (80h) STATUS_MFR_SPECIFIC
      30. 7.6.30 (88h) READ_VIN
      31. 7.6.31 (89h) READ_IIN
      32. 7.6.32 (8Bh) READ_VOUT
      33. 7.6.33 (8Ch) READ_IOUT
      34. 7.6.34 (8Dh) READ_TEMPERATURE_1
      35. 7.6.35 (97h) READ_PIN
      36. 7.6.36 (A0h) SYS_CFG_USER1
      37. 7.6.37 (A2h) I2C_ADDR
      38. 7.6.38 (A3h) SVID_ADDR
      39. 7.6.39 (A4h) IMON_CAL
      40. 7.6.40 (A5h) IIN_CAL
      41. 7.6.41 (A6h) VOUT_CMD
      42. 7.6.42 (A7h) VID_SETTING
      43. 7.6.43 (A8h) I2C_OFFSET
      44. 7.6.44 (A9h) COMP1_MAIN
      45. 7.6.45 (AAh) COMP2_MAIN
      46. 7.6.46 (ABh) COMP1_ALT
      47. 7.6.47 (ACh) COMP2_ALT
      48. 7.6.48 (ADh) COMP3
      49. 7.6.49 (AFh) DVS_CFG
      50. 7.6.50 (B0h) DVID_OFFSET
      51. 7.6.51 (B1h) REG_LOCK
      52. 7.6.52 (B3h) PIN_SENSE_RES
      53. 7.6.53 (B4h) IOUT_NOC_LIMIT
      54. 7.6.54 (B5h) USER_DATA_01
      55. 7.6.55 (B6h) USER_DATA_02
      56. 7.6.56 (BAh) STATUS1_SVID
      57. 7.6.57 (BBh) STATUS2_SVID
      58. 7.6.58 (BCh) CAPABILITY
      59. 7.6.59 (BDh) EXT_CAPABILITY_VIDOMAX_H
      60. 7.6.60 (BEh) VIDOMAX_L
      61. 7.6.61 (C0h) ICC_MAX
      62. 7.6.62 (C1h) TEMP_MAX
      63. 7.6.63 (C2h) PROTOCOL_ID_SVID
      64. 7.6.64 (C6h) VENDOR_ID
      65. 7.6.65 (C8h) PRODUCT_ID
      66. 7.6.66 (C9h) PRODUCT_REV_ID
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Application
      2. 8.2.2 Design Requirements
      3. 8.2.3 Detailed Design Procedure
        1. 8.2.3.1 Inductor Selection
        2. 8.2.3.2 Input Capacitor Selection
        3. 8.2.3.3 Output Capacitor Selection
        4. 8.2.3.4 VCC/VRDV Bypass Capacitor
        5. 8.2.3.5 BOOT Capacitor Selection
        6. 8.2.3.6 RSENSE Selection
        7. 8.2.3.7 VINSENP and VINSENN Capacitor Selection
        8. 8.2.3.8 VRRDY Pullup Resistor Selection
        9. 8.2.3.9 I2C Address Resistor Selection
      4. 8.2.4 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
        1. 8.4.2.1 Thermal Performance on TPS544C26EVM
  9. 9 Device and Documentation Support
    1. 9.1 Documentation Support
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 术语表
  10. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel Information

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7.5.2 Support of Intel SVID Interface

The TPS544C26 device supports Intel SVID interface (VR13 Mode). Details are described in this section.

The SVID address for a TPS544C26 device can be programmabled in (A3h) SVID_ADDR register, allowing address value from 00h to 0Dh.

The TPS544C26 device supports VR13 Mode SVID registers and also VIDoMAX register. The table below summarizes the SVID register initialization performed by TPS544C26 at each power-on. Any writeable register can be changed by the SVID host after initialization. Refer to the Intel documentation for more detailed description of the individual register functionality.

Table 7-19 SVID Register Support (VR13 Mode)
Register Address Register Name R/W Source or Behavior
00h VENDOR_ID R 22h
01h PROD_ID R Per I2C register (C8h) PRODUCT_ID
02h PROD_REV R Per I2C register (C9h) PROD_REV_ID
05h PROTOCOL_ID R Per I2C register (C2h) PROTOCOL_ID_SVID[7:6]
06h CAPABILITY R FBh
09h VIDOMAX_H_CAPA R Per I2C register (BDh) EXT_CAPABILITY_VIDOMAX_H[7:0]
0Ah VIDOMAX_L R Per I2C register (BEh) VIDO_MAX_L[7:0]
0Bh VIN_FULLSCALE_H R 06h
0Ch VIN_FULLSCALE_L R 40h
0Dh VOUT_FULLSCALE_H R 0Ch
0Eh VOUT_FULLSCALE_L R 80h
0Fh ALLCALL_ACT R/W Per I2C register (C2h) PROTOCOL_ID_SVID[1:0]
10h STATUS1 R Current status
11h STATUS2 R Current status
12h TEMPERATURE R Current status
15h IOUT_H R Current status
16h VOUT_H R Current status
17h VR_TEMP R Current status
19h IIN_H R Current status
1Ah VIN_H R Current status
1Bh PIN_H R Current status
1Ch STATUS2_LASTREAD R Current status
20h ICC_IN_MAX R FFh
21h ICC_MAX R Per I2C register (C0h) ICC_MAX[2:0]
22h TEMP_MAX R Per I2C register (C1h) TEMP_MAX[2:0]
24h SR_FAST R Per I2C register (AFh) DVS_CFG[2:0]
25h SR_SLOW R Programmed by SVID register (2Ah) SLOW_SR_SEL_HC
26h VBOOT R Per I2C register (C2h) PROTOCOL_ID_SVID[5:2]
2Ah SLOW_SR_SEL_HC R/W 02h
2Bh PS4_EXIT_LAT R 85h
2Eh PIN_MAX R Per I2C register (6Bh) PIN_OP_WARN_LIMIT
30h VID_MAX R/W FFh
31h VID_SETTING R Current status
32h PWR_STATE R 00h
33h OFFSET R/W 00h
34h MULTI_VR_CONFIG R/W 01h
3Ah WP0 R/W 00h
3Bh WP1 R/W 00h
3Ch WP2 R/W 00h
3Dh WP3 R/W 00h
56h DIGOUT_STATUS R Current status

The table below summarizes the SVID commands supported by TPS544C26.Refer to the Intel documentation for more detailed description of the individual command functionality.

Table 7-20 Supported SVID Command
Command Code Command Supported by TPS544C26
01h SetVID_Fast Yes
02h SetVID_Slow Yes
03h SetVID_Decay Yes
04h SetPS Yes
05h SetRegAddr Yes
06h SetRegData Yes
07h GetReg Yes
09h SetWP Yes
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