SLUSEJ1
December 2021
TPSM8D6C24
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Average Current-Mode Control
7.3.1.1
On-Time Modulator
7.3.1.2
Current Error Integrator
7.3.1.3
Voltage Error Integrator
7.3.2
Linear Regulators
7.3.3
AVIN and PVIN Pins
7.3.4
Input Undervoltage Lockout (UVLO)
7.3.4.1
Fixed AVIN UVLO
7.3.4.2
Fixed VDD5 UVLO
7.3.4.3
Programmable PVIN UVLO
7.3.4.4
EN/UVLO Pin
7.3.5
Start-Up and Shutdown
7.3.6
Differential Sense Amplifier and Feedback Divider
7.3.7
Set Output Voltage and Adaptive Voltage Scaling (AVS)
7.3.7.1
Reset Output Voltage
7.3.7.2
Soft Start
7.3.8
Prebiased Output Start-Up
7.3.9
Soft Stop and (65h) TOFF_FALL Command
7.3.10
Power Good (PGOOD)
7.3.11
Set Switching Frequency
7.3.12
Frequency Synchronization
7.3.13
Loop Follower Detection
7.3.14
Current Sensing and Sharing
7.3.15
Telemetry
7.3.16
Overcurrent Protection
7.3.17
Overvoltage/Undervoltage Protection
7.3.18
Overtemperature Management
7.3.19
Fault Management
7.3.20
Back-Channel Communication
7.3.21
Switching Node (SW)
7.3.22
PMBus General Description
7.3.23
PMBus Address
7.3.24
PMBus Connections
7.4
Device Functional Modes
7.4.1
Programming Mode
7.4.2
Standalone/Loop Controller/Loop Follower Mode Pin Connections
7.4.3
Continuous Conduction Mode
7.4.4
Operation With CNTL Signal (EN/UVLO)
7.4.5
Operation with (01h) OPERATION Control
7.4.6
Operation with CNTL and (01h) OPERATION Control
7.5
Programming
7.5.1
Supported PMBus Commands
7.5.2
Pin Strapping
7.5.2.1
Programming MSEL1
7.5.2.2
Programming MSEL2
7.5.2.3
Programming VSEL
7.5.2.4
Programming ADRSEL
7.5.2.5
Programming MSEL2 for a Loop Follower Device (GOSNS Tied to BP1V5)
7.5.2.6
Pin-Strapping Resistor Configuration
7.6
Register Maps
7.6.1
Conventions for Documenting Block Commands
7.6.2
(01h) OPERATION
7.6.3
(02h) ON_OFF_CONFIG
7.6.4
(03h) CLEAR_FAULTS
7.6.5
(04h) PHASE
7.6.6
(10h) WRITE_PROTECT
7.6.7
(15h) STORE_USER_ALL
7.6.8
(16h) RESTORE_USER_ALL
7.6.9
(19h) CAPABILITY
7.6.10
(1Bh) SMBALERT_MASK
7.6.11
(1Bh) SMBALERT_MASK_VOUT
7.6.12
(1Bh) SMBALERT_MASK_IOUT
7.6.13
(1Bh) SMBALERT_MASK_INPUT
7.6.14
(1Bh) SMBALERT_MASK_TEMPERATURE
7.6.15
(1Bh) SMBALERT_MASK_CML
7.6.16
(1Bh) SMBALERT_MASK_OTHER
7.6.17
(1Bh) SMBALERT_MASK_MFR
7.6.18
(20h) VOUT_MODE
7.6.19
(21h) VOUT_COMMAND
7.6.20
(22h) VOUT_TRIM
7.6.21
(24h) VOUT_MAX
7.6.22
(25h) VOUT_MARGIN_HIGH
7.6.23
(26h) VOUT_MARGIN_LOW
7.6.24
(27h) VOUT_TRANSITION_RATE
7.6.25
(29h) VOUT_SCALE_LOOP
7.6.26
(2Bh) VOUT_MIN
7.6.27
(33h) FREQUENCY_SWITCH
7.6.28
(35h) VIN_ON
7.6.29
(36h) VIN_OFF
7.6.30
(37h) INTERLEAVE
7.6.31
(38h) IOUT_CAL_GAIN
7.6.32
(39h) IOUT_CAL_OFFSET
7.6.33
(40h) VOUT_OV_FAULT_LIMIT
7.6.34
(41h) VOUT_OV_FAULT_RESPONSE
7.6.35
(42h) VOUT_OV_WARN_LIMIT
7.6.36
(43h) VOUT_UV_WARN_LIMIT
7.6.37
(44h) VOUT_UV_FAULT_LIMIT
7.6.38
(45h) VOUT_UV_FAULT_RESPONSE
7.6.39
(46h) IOUT_OC_FAULT_LIMIT
7.6.40
(47h) IOUT_OC_FAULT_RESPONSE
7.6.41
(4Ah) IOUT_OC_WARN_LIMIT
7.6.42
(4Fh) OT_FAULT_LIMIT
7.6.43
(50h) OT_FAULT_RESPONSE
7.6.44
(51h) OT_WARN_LIMIT
7.6.45
(55h) VIN_OV_FAULT_LIMIT
7.6.46
(56h) VIN_OV_FAULT_RESPONSE
7.6.47
(58h) VIN_UV_WARN_LIMIT
7.6.48
(60h) TON_DELAY
7.6.49
(61h) TON_RISE
7.6.50
(62h) TON_MAX_FAULT_LIMIT
7.6.51
(63h) TON_MAX_FAULT_RESPONSE
7.6.52
(64h) TOFF_DELAY
7.6.53
(65h) TOFF_FALL
7.6.54
(78h) STATUS_BYTE
7.6.55
(79h) STATUS_WORD
7.6.56
(7Ah) STATUS_VOUT
7.6.57
(7Bh) STATUS_IOUT
7.6.58
(7Ch) STATUS_INPUT
7.6.59
(7Dh) STATUS_TEMPERATURE
7.6.60
(7Eh) STATUS_CML
7.6.61
(7Fh) STATUS_OTHER
7.6.62
(80h) STATUS_MFR_SPECIFIC
7.6.63
(88h) READ_VIN
7.6.64
(8Bh) READ_VOUT
7.6.65
(8Ch) READ_IOUT
7.6.66
(8Dh) READ_TEMPERATURE_1
7.6.67
(98h) PMBUS_REVISION
7.6.68
(99h) MFR_ID
7.6.69
(9Ah) MFR_MODEL
7.6.70
(9Bh) MFR_REVISION
7.6.71
(9Eh) MFR_SERIAL
7.6.72
(ADh) IC_DEVICE_ID
7.6.73
(AEh) IC_DEVICE_REV
7.6.74
(B1h) USER_DATA_01 (COMPENSATION_CONFIG)
7.6.75
(B5h) USER_DATA_05 (POWER_STAGE_CONFIG)
7.6.76
(D0h) MFR_SPECIFIC_00 (TELEMETRY_CONFIG)
7.6.77
(DAh) MFR_SPECIFIC_10 (READ_ALL)
7.6.78
(DBh) MFR_SPECIFIC_11 (STATUS_ALL)
7.6.79
(DCh) MFR_SPECIFIC_12 (STATUS_PHASE)
7.6.80
(E4h) MFR_SPECIFIC_20 (SYNC_CONFIG)
7.6.81
(ECh) MFR_SPECIFIC_28 (STACK_CONFIG)
7.6.82
(EDh) MFR_SPECIFIC_29 (MISC_OPTIONS)
7.6.83
(EEh) MFR_SPECIFIC_30 (PIN_DETECT_OVERRIDE)
7.6.84
(EFh) MFR_SPECIFIC_31 (Loop Follower_ADDRESS)
7.6.85
(F0h) MFR_SPECIFIC_32 (NVM_CHECKSUM)
7.6.86
(F1h) MFR_SPECIFIC_33 (SIMULATE_FAULT)
7.6.87
(FCh) MFR_SPECIFIC_44 (FUSION_ID0)
7.6.88
(FDh) MFR_SPECIFIC_45 (FUSION_ID1)
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Switching Frequency
8.2.2.3
Output Voltage Setting (VSEL Pin)
8.2.2.4
Compensation Selection (MSEL1 Pin)
8.2.2.5
Output Capacitor Selection
8.2.2.5.1
Output Voltage Ripple
8.2.2.6
Input Capacitor Selection
8.2.2.7
Soft Start, Overcurrent Protection, and Stacking Configuration (MSEL2 Pin)
8.2.2.8
Enable and UVLO
8.2.2.9
ADRSEL
8.2.2.10
BCX_CLK and BCX_DAT
8.2.3
Application Curves
8.2.4
Two-Phase Application
8.2.4.1
Design Requirements
8.2.4.2
Two-Phase Detailed Design Procedure
8.2.4.2.1
Switching Frequency
8.2.4.2.2
Output Voltage Setting (VSEL Pin)
8.2.4.2.3
Compensation Selection (MSEL1 Pin)
8.2.4.2.4
Output Capacitor Selection
8.2.4.2.5
Input Capacitor Selection
8.2.4.2.6
GOSNS/Loop Follower Pin of Loop Follower Devices
8.2.4.2.7
Soft Start, Overcurrent Protection, and Stacking Configuration (MSEL2 Pin)
8.2.4.2.8
Enable, UVLO
8.2.4.2.9
VSHARE Pin
8.2.4.2.9.1
ADRSEL Pin
8.2.4.2.10
SYNC Pin
8.2.4.2.11
VOSNS Pin of Loop Follower Devices
8.2.4.2.12
Unused Pins of Loop Follower Devices
8.2.4.3
Two-Phase Application Curves
8.2.5
Four-Phase Application
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.2.1
Thermal Performance on the TI EVM
10.2.2
EMI
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.1.2
Development Support
11.1.2.1
Texas Instruments Fusion Digital Power Designer
11.1.2.2
Custom Design With WEBENCH® Tools
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
MOW|59
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusej1_oa
slusej1_pm
10.2
Layout Example
Figure 10-1
Top-Layer Components (Top View)
Figure 10-3
Top-Layer Layout (Top View)
Figure 10-2
Bottom-Layer Components (Top View)
Figure 10-4
Bottom-Layer Layout (Top View)