SLUSEJ1A
December 2021 – November 2023
TPSM8D6C24
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Average Current-Mode Control
6.3.1.1
On-Time Modulator
6.3.1.2
Current Error Integrator
6.3.1.3
Voltage Error Integrator
6.3.2
Linear Regulators
6.3.3
AVIN and PVIN Pins
6.3.4
Input Undervoltage Lockout (UVLO)
6.3.4.1
Fixed AVIN UVLO
6.3.4.2
Fixed VDD5 UVLO
6.3.4.3
Programmable PVIN UVLO
6.3.4.4
EN/UVLO Pin
6.3.5
Start-Up and Shutdown
6.3.6
Differential Sense Amplifier and Feedback Divider
6.3.7
Set Output Voltage and Adaptive Voltage Scaling (AVS)
6.3.7.1
Reset Output Voltage
6.3.7.2
Soft Start
6.3.8
Prebiased Output Start-Up
6.3.9
Soft Stop and (65h) TOFF_FALL Command
6.3.10
Power Good (PGOOD)
6.3.11
Set Switching Frequency
6.3.12
Frequency Synchronization
6.3.13
Loop Follower Detection
6.3.14
Current Sensing and Sharing
6.3.15
Telemetry
6.3.16
Overcurrent Protection
6.3.17
Overvoltage and Undervoltage Protection
6.3.18
Overtemperature Management
6.3.19
Fault Management
6.3.20
Back-Channel Communication
6.3.21
Switching Node (SW)
6.3.22
PMBus General Description
6.3.23
PMBus Address
6.3.24
PMBus Connections
6.4
Device Functional Modes
6.4.1
Programming Mode
6.4.2
Standalone, Loop Controller, and Loop Follower Mode Pin Connections
6.4.3
Continuous Conduction Mode
6.4.4
Operation With CNTL Signal (EN/UVLO)
6.4.5
Operation with (01h) OPERATION Control
6.4.6
Operation with CNTL and (01h) OPERATION Control
6.5
Programming
6.5.1
Supported PMBus Commands
6.5.2
Pin Strapping
6.5.2.1
Programming MSEL1
6.5.2.2
Programming MSEL2
6.5.2.3
Programming VSEL
6.5.2.4
Programming ADRSEL
6.5.2.5
Programming MSEL2 for a Loop Follower Device (GOSNS Tied to BP1V5)
6.5.2.6
Pin-Strapping Resistor Configuration
6.6
Register Maps
6.6.1
Conventions for Documenting Block Commands
6.6.2
(01h) OPERATION
6.6.3
(02h) ON_OFF_CONFIG
6.6.4
(03h) CLEAR_FAULTS
6.6.5
(04h) PHASE
6.6.6
(10h) WRITE_PROTECT
6.6.7
(15h) STORE_USER_ALL
6.6.8
(16h) RESTORE_USER_ALL
6.6.9
(19h) CAPABILITY
6.6.10
(1Bh) SMBALERT_MASK
6.6.11
(1Bh) SMBALERT_MASK_VOUT
6.6.12
(1Bh) SMBALERT_MASK_IOUT
6.6.13
(1Bh) SMBALERT_MASK_INPUT
6.6.14
(1Bh) SMBALERT_MASK_TEMPERATURE
6.6.15
(1Bh) SMBALERT_MASK_CML
6.6.16
(1Bh) SMBALERT_MASK_OTHER
6.6.17
(1Bh) SMBALERT_MASK_MFR
6.6.18
(20h) VOUT_MODE
6.6.19
(21h) VOUT_COMMAND
6.6.20
(22h) VOUT_TRIM
6.6.21
(24h) VOUT_MAX
6.6.22
(25h) VOUT_MARGIN_HIGH
6.6.23
(26h) VOUT_MARGIN_LOW
6.6.24
(27h) VOUT_TRANSITION_RATE
6.6.25
(29h) VOUT_SCALE_LOOP
6.6.26
(2Bh) VOUT_MIN
6.6.27
(33h) FREQUENCY_SWITCH
6.6.28
(35h) VIN_ON
6.6.29
(36h) VIN_OFF
6.6.30
(37h) INTERLEAVE
6.6.31
(38h) IOUT_CAL_GAIN
6.6.32
(39h) IOUT_CAL_OFFSET
6.6.33
(40h) VOUT_OV_FAULT_LIMIT
6.6.34
(41h) VOUT_OV_FAULT_RESPONSE
6.6.35
(42h) VOUT_OV_WARN_LIMIT
6.6.36
(43h) VOUT_UV_WARN_LIMIT
6.6.37
(44h) VOUT_UV_FAULT_LIMIT
6.6.38
(45h) VOUT_UV_FAULT_RESPONSE
6.6.39
(46h) IOUT_OC_FAULT_LIMIT
6.6.40
(47h) IOUT_OC_FAULT_RESPONSE
6.6.41
(4Ah) IOUT_OC_WARN_LIMIT
6.6.42
(4Fh) OT_FAULT_LIMIT
6.6.43
(50h) OT_FAULT_RESPONSE
6.6.44
(51h) OT_WARN_LIMIT
6.6.45
(55h) VIN_OV_FAULT_LIMIT
6.6.46
(56h) VIN_OV_FAULT_RESPONSE
6.6.47
(58h) VIN_UV_WARN_LIMIT
6.6.48
(60h) TON_DELAY
6.6.49
(61h) TON_RISE
6.6.50
(62h) TON_MAX_FAULT_LIMIT
6.6.51
(63h) TON_MAX_FAULT_RESPONSE
6.6.52
(64h) TOFF_DELAY
6.6.53
(65h) TOFF_FALL
6.6.54
(78h) STATUS_BYTE
6.6.55
(79h) STATUS_WORD
6.6.56
(7Ah) STATUS_VOUT
6.6.57
(7Bh) STATUS_IOUT
6.6.58
(7Ch) STATUS_INPUT
6.6.59
(7Dh) STATUS_TEMPERATURE
6.6.60
(7Eh) STATUS_CML
6.6.61
(7Fh) STATUS_OTHER
6.6.62
(80h) STATUS_MFR_SPECIFIC
6.6.63
(88h) READ_VIN
6.6.64
(8Bh) READ_VOUT
6.6.65
(8Ch) READ_IOUT
6.6.66
(8Dh) READ_TEMPERATURE_1
6.6.67
(98h) PMBUS_REVISION
6.6.68
(99h) MFR_ID
6.6.69
(9Ah) MFR_MODEL
6.6.70
(9Bh) MFR_REVISION
6.6.71
(9Eh) MFR_SERIAL
6.6.72
(ADh) IC_DEVICE_ID
6.6.73
(AEh) IC_DEVICE_REV
6.6.74
(B1h) USER_DATA_01 (COMPENSATION_CONFIG)
6.6.75
(B5h) USER_DATA_05 (POWER_STAGE_CONFIG)
6.6.76
(D0h) MFR_SPECIFIC_00 (TELEMETRY_CONFIG)
6.6.77
(DAh) MFR_SPECIFIC_10 (READ_ALL)
6.6.78
(DBh) MFR_SPECIFIC_11 (STATUS_ALL)
6.6.79
(DCh) MFR_SPECIFIC_12 (STATUS_PHASE)
6.6.80
(E4h) MFR_SPECIFIC_20 (SYNC_CONFIG)
6.6.81
(ECh) MFR_SPECIFIC_28 (STACK_CONFIG)
6.6.82
(EDh) MFR_SPECIFIC_29 (MISC_OPTIONS)
6.6.83
(EEh) MFR_SPECIFIC_30 (PIN_DETECT_OVERRIDE)
6.6.84
(EFh) MFR_SPECIFIC_31 (DEVICE_ADDRESS)
6.6.85
(F0h) MFR_SPECIFIC_32 (NVM_CHECKSUM)
6.6.86
(F1h) MFR_SPECIFIC_33 (SIMULATE_FAULT)
6.6.87
(FCh) MFR_SPECIFIC_44 (FUSION_ID0)
6.6.88
(FDh) MFR_SPECIFIC_45 (FUSION_ID1)
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Custom Design With WEBENCH® Tools
7.2.2.2
Switching Frequency
7.2.2.3
Output Voltage Setting (VSEL Pin)
7.2.2.4
Compensation Selection (MSEL1 Pin)
7.2.2.5
Output Capacitor Selection
7.2.2.5.1
Output Voltage Ripple
7.2.2.6
Input Capacitor Selection
7.2.2.7
Soft Start, Overcurrent Protection, and Stacking Configuration (MSEL2 Pin)
7.2.2.8
Enable and UVLO
7.2.2.9
ADRSEL
7.2.2.10
BCX_CLK and BCX_DAT
7.2.3
Application Curves
7.3
Two-Phase Application
7.3.1
Design Requirements
7.3.2
Two-Phase Detailed Design Procedure
7.3.2.1
Switching Frequency
7.3.2.2
Output Voltage Setting (VSEL Pin)
7.3.2.3
Compensation Selection (MSEL1 Pin)
7.3.2.4
Output Capacitor Selection
7.3.2.5
Input Capacitor Selection
7.3.2.6
GOSNS/Loop Follower Pin of Loop Follower Devices
7.3.2.7
Soft Start, Overcurrent Protection, and Stacking Configuration (MSEL2 Pin)
7.3.2.8
Enable, UVLO
7.3.2.9
VSHARE Pin
7.3.2.9.1
ADRSEL Pin
7.3.2.10
SYNC Pin
7.3.2.11
VOSNS Pin of Loop Follower Devices
7.3.2.12
Unused Pins of Loop Follower Devices
7.3.3
Application Curves
7.4
Four-Phase Application
7.5
Power Supply Recommendations
7.6
Layout
7.6.1
Layout Guidelines
7.6.2
Layout Example
7.6.2.1
Thermal Performance on the TI EVM
7.6.2.2
EMI
8
Device and Documentation Support
8.1
Device Support
8.1.1
Third-Party Products Disclaimer
8.1.2
Development Support
8.1.2.1
Texas Instruments Fusion Digital Power Designer
8.1.2.2
Custom Design With WEBENCH® Tools
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
MOW|59
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusej1a_oa
slusej1a_pm
8.1
Device Support