SLVSFJ3D May   2022  – January 2025 TPS62870-Q1 , TPS62871-Q1 , TPS62872-Q1 , TPS62873-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Description (continued)
  6. 5 Device Options
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 I2C Interface Timing Characteristics
    7. 7.7 Timing Requirements
    8. 7.8 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Fixed-Frequency DCS Control Topology
      2. 8.3.2  Forced PWM and Power Save Modes
      3. 8.3.3  Precise Enable
      4. 8.3.4  Start-Up
      5. 8.3.5  Switching Frequency Selection
      6. 8.3.6  Output Voltage Setting
        1. 8.3.6.1 Output Voltage Range
        2. 8.3.6.2 Output Voltage Setpoint
        3. 8.3.6.3 Non-Default Output Voltage Setpoint
        4. 8.3.6.4 Dynamic Voltage Scaling
      7. 8.3.7  Compensation (COMP)
      8. 8.3.8  Mode Selection and Clock Synchronization (MODE/SYNC)
      9. 8.3.9  Spread Spectrum Clocking (SSC)
      10. 8.3.10 Output Discharge
      11. 8.3.11 Undervoltage Lockout (UVLO)
      12. 8.3.12 Overvoltage Lockout (OVLO)
      13. 8.3.13 Overcurrent Protection
        1. 8.3.13.1 Cycle-by-Cycle Current Limiting
        2. 8.3.13.2 Hiccup Mode
        3. 8.3.13.3 Current Limit Mode
      14. 8.3.14 Power Good (PG)
        1. 8.3.14.1 Standalone or Primary Device Behavior
        2. 8.3.14.2 Secondary Device Behavior
      15. 8.3.15 Remote Sense
      16. 8.3.16 Thermal Warning and Shutdown
      17. 8.3.17 Stacked Operation
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-On Reset
      2. 8.4.2 Undervoltage Lockout
      3. 8.4.3 Standby
      4. 8.4.4 On
    5. 8.5 Programming
      1. 8.5.1 Serial Interface Description
      2. 8.5.2 Standard, Fast, Fast Mode Plus Protocol
      3. 8.5.3 I2C Update Sequence
      4. 8.5.4 I2C Register Reset
  10. 9 Register Map
  11. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Selecting the Inductor
        2. 10.2.2.2 Selecting the Input Capacitors
        3. 10.2.2.3 Selecting the Compensation Resistor
        4. 10.2.2.4 Selecting the Output Capacitors
        5. 10.2.2.5 Selecting the Compensation Capacitor, CC
        6. 10.2.2.6 Selecting the Compensation Capacitor, CC2
      3. 10.2.3 Application Curves
    3. 10.3 Best Design Practices
    4. 10.4 Power Supply Recommendations
    5. 10.5 Layout
      1. 10.5.1 Layout Guidelines
      2. 10.5.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

Package Options

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

5 Device Options

Table 5-1 Devices With I2C Interface
Device NumberOutput CurrentStart-Up Voltage, I2C Address(1)(2)VSEL SettingsSpread Spectrum ClockingSoft-Start Time
TPS62870QWRXSRQ16A0.850V, 0x406.2kΩ to GNDDefault setting = offDefault setting = 1 ms
TPS62871QWRXSRQ19A0.750V, 0x41Short to GND
TPS62872QWRXSRQ112A0.875V, 0x42Short to VIN
TPS62873QWRXSRQ115A1.000V, 0x4347kΩ to VIN
TPS62870Y1QWRXSRQ16A0.800V, 0x406.2kΩ to GNDDefault setting = offDefault setting = 1 ms
TPS62871Y1QWRXSRQ19A0.750 V, 0x41Short to GND
TPS62872Y1QWRXSRQ112A0.875 V, 0x42Short to VIN
TPS62873Y1QWRXSRQ115A0.800 V, 0x4347kΩ to VIN
TPS62870Y0QWRXSRQ1 6A0.500V, 0x406.2kΩ to GNDDefault setting = offDefault setting = 1 ms
0.750V, 0x41Short to GND
0.875V, 0x42Short to VIN
1.050V, 0x4347kΩ to VIN
TPS62870Y2QWRXSRQ1 6A1.800V, 0x306.2kΩ to GNDDefault setting = offDefault setting = 1 ms
1.500V, 0x31Short to GND
TPS62872Y2QWRXSRQ1

12A

1.750V, 0x32Short to VIN
3.300V, 0x3347 kΩ to VIN
TPS62870Y3QWRXSRQ16A0.810V, 0x406.2 kΩ to GNDDefault setting = offDefault setting = 1 ms
0.750V, 0x41Short to GND
0.875V, 0x42Short to VIN
1.000V, 0x4347kΩ to VIN

TPS62872Y4QWRXSRQ1

12A

0.850V, 0x406.2kΩ to GNDDefault setting = offDefault setting = 1 ms
0.750 V, 0x41Short to GND
0.875 V, 0x42Short to VIN
0.850 V, 0x4347kΩ to VIN
TPS62871Y5QWRXSRQ1

9A

1.100V, 0x10

6.2kΩ to GNDDefault setting = offDefault setting = 1 ms
1.500V, 0x11Short to GND
1.750V, 0x12Short to VIN
3.300V, 0x1347kΩ to VIN
TPS62872Y7QWRXSRQ1

12A

1.150V, 0x306.2kΩ to GNDDefault setting = offDefault setting = 1 ms
0.750V, 0x31Short to GND

0.875V, 0x32

Short to VIN
0.950V, 0x3347kΩ to VIN
(1) The I2C address is linked to the selected start-up voltage. The user cannot select the start-up voltage and I2C address independently.
(2) The user can use the VSEL pin to select which of the four start-up voltages the device uses. For more information, see Table 8-5 and Table 8-10.
Table 5-2 Devices Without I2C Interface
Device NumberOutput CurrentStart-Up Voltage(2)VSEL SettingsSpread Spectrum ClockingSoft-Start Time
TPS62870N0QWRXSRQ16A0.500V6.2kΩ to GNDOn0.5 ms
TPS62871N0QWRXSRQ19A0.750VShort to GND
TPS62872N0QWRXSRQ112A0.875VShort to VIN
TPS62873N0QWRXSRQ115A1.050V47kΩ to VIN
TPS62870N1QWRXSRQ16A0.800V6.2kΩ to GNDOn1 ms
TPS62871N1QWRXSRQ19A0.750VShort to GND
TPS62872N1QWRXSRQ112A0.875VShort to VIN
TPS62873N1QWRXSRQ115A0.840V47kΩ to VIN
TPS62872N2QWRXSRQ112A1.800V6.2kΩ to GNDOff
1.500VShort to GND
1.750VShort to VIN
3.300V47kΩ to VIN
TPS62872N3QWRXSRQ1

12A

1.000V

6.2kΩ to GNDOn

0.5 ms

0.750V

Short to GND

0.875V

Short to VIN

1.100V

47kΩ to VIN

TPS62871N4QWRXSRQ1

9A

0.500V

6.2kΩ to GND

On

0.5 ms

0.750V

Short to GND

0.875V

Short to VIN

1.08V

47kΩ to VIN
(1) The I2C address is linked to the selected start-up voltage. The user cannot select the start-up voltage and I2C address independently.
(1) The user can use the VSEL pin to select which of the four start-up voltages the device uses. For more information, see Table 8-5 and Table 8-10.

Unless otherwise noted, device variants without I2C operate with the same default settings as device variants with I2C.