SWCS071C August   2012  – August 2017

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 Default Settings
  4. 4 Pin Configuration and Functions
    1. 4.1 Pin Functions
  5. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Characteristics
    5. 5.5  Electrical Characteristics - DCDC1, DCDC2, and DCDC3
    6. 5.6  Electrical Characteristics - DCDC4
    7. 5.7  Electrical Characteristics - LDOs
    8. 5.8  Electrical Characteristics - Digital Inputs, Digital Outputs
    9. 5.9  Electrical Characteristics - VMON Voltage Monitor, VDDIO, Undervoltage Lockout (UVLO), and LDOAO
    10. 5.10 Electrical Characteristics - Load Switch
    11. 5.11 Electrical Characteristics - LED Drivers
    12. 5.12 Electrical Characteristics - Thermal Monitoring and Shutdown
    13. 5.13 Electrical Characteristics - 32-kHz RC Clock
    14. 5.14 SPI Interface Timing Requirements
    15. 5.15 I2C Interface Timing Requirements
    16. 5.16 Typical Characteristics
  6. 6 Parameter Measurement Information
    1. 6.1 I2C Timing Diagrams
    2. 6.2 SPI Timing Diagram
  7. 7 Detailed Description
    1. 7.1  Overview
    2. 7.2  Functional Block Diagram
    3. 7.3  Linear Regulators
      1. 7.3.1 Low Quiescent Current Mode (Eco-mode™)
      2. 7.3.2 Output Discharge
      3. 7.3.3 Thermal Shutdown
      4. 7.3.4 LDO Enable
      5. 7.3.5 LDO Voltage Range
      6. 7.3.6 LDO Power Good Comparator
    4. 7.4  Step-Down Converters
      1. 7.4.1 PWM/PFM Mode
      2. 7.4.2 Low Quiescent Current Mode
      3. 7.4.3 Output Voltage Monitoring
      4. 7.4.4 Output Discharge
      5. 7.4.5 Thermal Shutdown
      6. 7.4.6 Step-Down Converter ENABLE
      7. 7.4.7 Step-Down converter SOFT START
    5. 7.5  GPIOs
    6. 7.6  Power State Machine
    7. 7.7  Transition Conditions
    8. 7.8  Implementation of Internal Power-Up and Power-Down Sequencing
    9. 7.9  EN1, EN2, EN3, EN4, Resources Control
    10. 7.10 SLEEP State Control
    11. 7.11 Registers SET_OFF, KEEP_ON and DEF_VOLT Used in SLEEP State; CONFIG2 = 1
    12. 7.12 Registers SET_OFF, KEEP_ON and DEF_VOLT Used for Resources Assigned to an External Enable Pin; CONFIG2 = 1
    13. 7.13 Registers SET_OFF, KEEP_ON and DEF_VOLT for Resources Assigned to Pins PWR_REQ, CLK_REQ1 and CLK_REQ2; CONFIG2 = 0
    14. 7.14 Voltage Scaling Interface Control Using _OP and _AVS Registers with I2C or SPI Interface
    15. 7.15 Voltage Scaling Using the VCON Decoder on Pins VCON_PWM and VCON_CLK
    16. 7.16 Configuration Pins CONFIG1, CONFIG2 and DEF_SPI_I2C-GPIO
    17. 7.17 VDDIO Voltage for Push-Pull Output Stages
    18. 7.18 Digital Signal Summary
    19. 7.19 TPS659121 On/Off Operation With E450, E500
      1. 7.19.1 TPS659121 Power Up From Battery or 5-V USB Supply; CONFIG1=LOW
      2. 7.19.2 TPS659121 Power Up From 3.3-V Host Supply; CONFIG1=LOW
    20. 7.20 TPS659122 On/Off Operation for CONFIG1=HIGH
      1. 7.20.1 TPS659122 Power Up With CONFIG1=HIGH
      2. 7.20.2 TPS659121, TPS659122 Power-Off Sequence With CONFIG1=HIGH
    21. 7.21 TPS659122 On/Off Operation for CONFIG1=LOW
      1. 7.21.1 TPS659122 Power Up With CONFIG1=LOW
      2. 7.21.2 TPS659122 Power-Off Sequence With CONFIG1=LOW
    22. 7.22 Interfaces
    23. 7.23 Serial Peripheral Interface
    24. 7.24 I2C Interface
      1. 7.24.1 I2C Implementation
      2. 7.24.2 F/S-Mode Protocol
      3. 7.24.3 H/S-Mode Protocol
    25. 7.25 Thermal Monitoring and Shutdown
    26. 7.26 Load Switch
    27. 7.27 LED Driver
    28. 7.28 Memory
      1. 7.28.1 Register Format
      2. 7.28.2 Register Descriptions
        1. 7.28.2.1 DCDC Registers
          1. 7.28.2.1.1  DCDC1_CTRL (00h)
          2. 7.28.2.1.2  DCDC2_CTRL (01h)
          3. 7.28.2.1.3  DCDC3_CTRL (02h)
          4. 7.28.2.1.4  DCDC4_CTRL (03h)
          5. 7.28.2.1.5  DCDC1_OP (04h)
          6. 7.28.2.1.6  DCDC1_AVS (05h)
          7. 7.28.2.1.7  DCDC1_LIMIT (06h)
          8. 7.28.2.1.8  DCDC2_OP (07h)
          9. 7.28.2.1.9  DCDC2_AVS (08h)
          10. 7.28.2.1.10 DCDC2_LIMIT (09h)
          11. 7.28.2.1.11 DCDC3_OP (0Ah)
          12. 7.28.2.1.12 DCDC3_AVS (0Bh)
          13. 7.28.2.1.13 DCDC3_LIMIT (0Ch)
          14. 7.28.2.1.14 DCDC4_OP (0Dh)
          15. 7.28.2.1.15 DCDC4_AVS (0Eh)
          16. 7.28.2.1.16 DCDC4_LIMIT (0Fh)
          17. 7.28.2.1.17 VDCDCx Range Settings
          18. 7.28.2.1.18 DCDCx Voltage Settings
        2. 7.28.2.2 LDO Registers
          1. 7.28.2.2.1  LDO1_OP (10h)
          2. 7.28.2.2.2  LDO1_AVS (11h)
          3. 7.28.2.2.3  LDO1_LIMIT (12h)
          4. 7.28.2.2.4  LDO2_OP (13h)
          5. 7.28.2.2.5  LDO2_AVS (14h)
          6. 7.28.2.2.6  LDO2_LIMIT (15h)
          7. 7.28.2.2.7  LDO3_OP (16h)
          8. 7.28.2.2.8  LDO3_AVS (17h)
          9. 7.28.2.2.9  LDO3_LIMIT (18h)
          10. 7.28.2.2.10 LDO4_OP (19h)
          11. 7.28.2.2.11 LDO4_AVS (1Ah)
          12. 7.28.2.2.12 LDO4_LIMIT (1Bh)
          13. 7.28.2.2.13 LDO5 (1Ch)
          14. 7.28.2.2.14 LDO6 (1Dh)
          15. 7.28.2.2.15 LDO7 (1Eh)
          16. 7.28.2.2.16 LDO8 (1Fh)
          17. 7.28.2.2.17 LDO9 (20h)
          18. 7.28.2.2.18 LDO10 (21h)
        3. 7.28.2.3 LDO Voltage Settings
        4. 7.28.2.4 DEVCTRL Registers
          1. 7.28.2.4.1  THRM_REG (22h)
          2. 7.28.2.4.2  CLK32KOUT (23h)
          3. 7.28.2.4.3  DEVCTRL (24h)
          4. 7.28.2.4.4  DEVCTRL2 (25h)
          5. 7.28.2.4.5  I2C_SPI_CFG (26h)
          6. 7.28.2.4.6  KEEP_ON1 (27h)
          7. 7.28.2.4.7  KEEP_ON2 (28h)
          8. 7.28.2.4.8  SET_OFF1 (29h)
          9. 7.28.2.4.9  SET_OFF2 (2Ah)
          10. 7.28.2.4.10 DEF_VOLT (2Bh)
          11. 7.28.2.4.11 LDO Sleep Mode Behavior
          12. 7.28.2.4.12 DEF_VOLT_MAPPING (2Ch)
          13. 7.28.2.4.13 DISCHARGE1 (2Dh)
          14. 7.28.2.4.14 DISCHARGE2 (2Eh)
          15. 7.28.2.4.15 EN1_SET1 (2Fh)
          16. 7.28.2.4.16 EN1_SET2 (30h)
          17. 7.28.2.4.17 EN2_SET1 (31h)
          18. 7.28.2.4.18 EN2_SET2 (32h)
          19. 7.28.2.4.19 EN3_SET1 (33h)
          20. 7.28.2.4.20 EN3_SET2 (34h)
          21. 7.28.2.4.21 EN4_SET1 (35h)
          22. 7.28.2.4.22 EN4_SET2 (36h)
          23. 7.28.2.4.23 PGOOD (37h)
          24. 7.28.2.4.24 PGOOD2 (38h)
          25. 7.28.2.4.25 INT_STS (39h)
          26. 7.28.2.4.26 INT_MSK (3Ah)
          27. 7.28.2.4.27 INT_STS2 (3Bh)
          28. 7.28.2.4.28 INT_MSK2 (3Ch)
          29. 7.28.2.4.29 INT_STS3 (3Dh)
          30. 7.28.2.4.30 INT_MSK3 (3Eh)
          31. 7.28.2.4.31 INT_STS4 (3Fh)
          32. 7.28.2.4.32 INT_MSK4 (40h)
          33. 7.28.2.4.33 GPIO1 (41h)
          34. 7.28.2.4.34 GPIO2 (42h)
          35. 7.28.2.4.35 GPIO3 (43h)
          36. 7.28.2.4.36 GPIO4 (44h)
          37. 7.28.2.4.37 GPIO5 (45h)
          38. 7.28.2.4.38 VMON (46h)
          39. 7.28.2.4.39 LEDA_CTRL1 (47h)
          40. 7.28.2.4.40 LEDA_CTRL2 (48h)
          41. 7.28.2.4.41 LEDA_CTRL3 (49h)
          42. 7.28.2.4.42 LEDA_CTRL4 (4Ah)
          43. 7.28.2.4.43 LEDA_CTRL5 (4Bh)
          44. 7.28.2.4.44 LEDA_CTRL6 (4Ch)
          45. 7.28.2.4.45 LEDA_CTRL7 (4Dh)
          46. 7.28.2.4.46 LEDA_CTRL8 (4Eh)
          47. 7.28.2.4.47 LEDB_CTRL1 (4Fh)
          48. 7.28.2.4.48 LEDB_CTRL2 (50h)
          49. 7.28.2.4.49 LEDB_CTRL3 (51h)
          50. 7.28.2.4.50 LEDB_CTRL4 (52h)
          51. 7.28.2.4.51 LEDB_CTRL5 (53h)
          52. 7.28.2.4.52 LEDB_CTRL6 (54h)
          53. 7.28.2.4.53 LEDB_CTRL7 (55h)
          54. 7.28.2.4.54 LEDB_CTRL8 (56h)
          55. 7.28.2.4.55 LEDC_CTRL1 (57h)
          56. 7.28.2.4.56 LEDC_CTRL2 (58h)
          57. 7.28.2.4.57 LEDC_CTRL3 (59h)
          58. 7.28.2.4.58 LED_CTRL4 (5Ah)
          59. 7.28.2.4.59 LEDC_CTRL5 (5Bh)
          60. 7.28.2.4.60 LEDC_CTRL6 (5Ch)
          61. 7.28.2.4.61 LEDC_CTRL7 (5Dh)
          62. 7.28.2.4.62 LEDC_CTRL8 (5Eh)
          63. 7.28.2.4.63 LED_RAMP_UP_TIME (5Fh)
          64. 7.28.2.4.64 LED_RAMP_DOWN_TIME (60h)
          65. 7.28.2.4.65 LED_SEQ_EN (61h)
          66. 7.28.2.4.66 LEDx DC Current
          67. 7.28.2.4.67 LOADSWITCH (62h)
          68. 7.28.2.4.68 SPARE (63h)
          69. 7.28.2.4.69 VERNUM (64h)
  8. 8 Applications, Implementation, and Layout
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 DC-DC Converters
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Output Filter Design (Inductor and Output Capacitor)
            1. 8.2.1.2.1.1 Inductor Selection
            2. 8.2.1.2.1.2 Output Capacitor Selection
            3. 8.2.1.2.1.3 Input Capacitor Selection / Input Voltage
            4. 8.2.1.2.1.4 Output Capacitor Table
            5. 8.2.1.2.1.5 Voltage Change on DCDC1 to DCDC4
        3. 8.2.1.3 Application Curves
        4. 8.2.1.4 Layout
          1. 8.2.1.4.1 Layout Guidelines
          2. 8.2.1.4.2 Layout Example
    3. 8.3 Power Supply Recommendations
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
      2. 9.1.2 Device Nomenclature
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Community Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  10. 10Mechanical, Packaging, and Orderable 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

3 Default Settings

Table 3-1 lists the default output voltages for the DC-DC converters and the LDOs. For DCDC1 to DCDC4 and LDO1 to LDO4, there are two registers defining the output voltage. DCDCx_OP and LDOx_OP is used in active mode when CONFIG2=1. With CONFIG2=0, the status of the DCDCx_SEL pin is used to select between register _OP vs _AVS. With DCDCx_SEL=0, the _OP register defines the output voltage while _AVS sets the output voltage when DCDCx_SEL=1. LDO1 to LDO4 can be mapped to one of the DCDCx_SEL pins. See Section 7.13 for register DEF_VOLT_MAPPING for details.

Table 3-1 Default Settings for TPS659121

Converter / LDO register TPS659121 default output voltage setting
for CONFIG1=LOW 		TPS659121 default output voltage setting
for CONFIG1=HIGH
DCDC1_OP / DCDC1_AVS 0.85 V / 0.90 V 0.85 V / 0.90 V
DCDC2_OP / DCDC2_AVS 1.8 V / 2.0 V 1.8 V / 2.0 V
DCDC3_OP / DCDC3_AVS 3.2 V / 2.7 V 3.2 V / 2.7 V
DCDC4_OP / DCDC4_AVS 0.5 V / 0.5 V 0.5 V / 0.5 V
LDO1_OP / LDO1_AVS 0.85 V / 0.90 V 0.85 V / 0.90 V
LDO2_OP / LDO2_AVS 0.85 V / 0.90 V 0.85 V / 0.90 V
LDO3_OP / LDO3_AVS 2.85 V / 1.20 V 2.85 V / 1.20 V
LDO4_OP / LDO4_AVS 1.8 V / 1.7 V 1.8 V / 1.7 V
LDO5 2.7 V 2.7 V
LDO6 1.8 V 1.8 V
LDO7 3.0 V 3.0 V
LDO8 3.1 V 3.1 V
LDO9 3.0 V 3.0 V
LDO10 1.8 V 1.8 V

Table 3-2 Default Settings for TPS659122

Converter / LDO register TPS659122 default output voltage setting
for CONFIG1=LOW 		TPS659122 default output voltage setting
for CONFIG1=HIGH
DCDC1_OP / DCDC1_AVS 1.1375 V/1.375 V 1.2 V / 1.1 V
DCDC2_OP / DCDC2_AVS 1.8 V / 1.8 V 1.8 V / 1.8 V
DCDC3_OP / DCDC3_AVS 1.1375 V/1.375 V 2.1 V / 2.0 V
DCDC4_OP / DCDC4_AVS 1.1375 V/1.375 V 3.3 V / 3.3 V
LDO1_OP / LDO1_AVS 1.7 V / 1.7 V 1.8 V / 3.0 V
LDO2_OP / LDO2_AVS 0.8 V / 0.8 V 3.0 V / 1.8 V
LDO3_OP / LDO3_AVS 0.8 V / 0.8 V 3.0 V / 3.0 V
LDO4_OP / LDO4_AVS 1.8 V / 1.8 V 1.85 V / 1.85 V
LDO5 1.8 V 1.85 V
LDO6 0.8 V 1.85 V
LDO7 1.8 V 1.85 V
LDO8 1.8 V 2.85 V
LDO9 3.3 V 1.85 V
LDO10 1.2 V 3.0 V
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