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