SLVSDF3F
MARCH 2017 – JANUARY 2019
TPSM846C23
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
Efficiency vs Output Current
4
Revision History
5
Pin Configuration and Functions
Pin 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
Switching Characteristics
6.7
Programmable Characteristics
6.8
Typical Characteristics (VIN = 12 V)
6.9
Typical Characteristics (VIN = 5 V)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
PMBus
7.3.1.1
PMBus General Description
7.3.1.2
PMBus Address
7.3.1.3
PMBus Connections
7.3.1.4
Supported PMBus Commands
7.3.2
Minimum Capacitance Requirements
7.3.3
Setting the Compensation Network
7.3.4
Transient Response
7.3.5
Setting the Output Voltage via PMBus
7.3.6
Setting the Output Voltage Without PMBus
7.3.7
Differential Remote Sense
7.3.8
Voltage Reference
7.3.9
Switching Frequency and Synchronization
7.3.9.1
Setting the Switching Frequency
7.3.9.2
Synchronization
7.3.9.2.1
Stand-Alone Device
7.3.9.2.2
Paralleled Devices
7.3.10
Input Undervoltage Lockout (UVLO)
7.3.11
Turnon and Turnoff Delay and Sequencing
7.3.12
Soft-Start Time and TON_RISE Command
7.3.13
Soft-Stop Time and TOFF_FALL Command
7.3.14
Prebiased Output Start-Up
7.3.15
Power Good (PGOOD) Indicator
7.3.16
Linear Regulators BP3 and BP6
7.3.17
VREF_TRIM
7.3.18
MARGIN
7.3.19
Parallel Application
7.3.20
Parallel Operation
7.3.21
Telemetry
7.3.21.1
Output Current Telemetry
7.3.21.2
Output Voltage Telemetry
7.3.21.3
Junction Temperature Telemetry
7.3.22
Overtemperature Protection
7.3.23
Overcurrent Protection
7.3.24
Output Overvoltage and Undervoltage Protection
7.3.25
Fault Protection Responses
7.4
Device Functional Modes
7.4.1
Continuous Conduction Mode
7.4.2
Operation With CNTL Signal Control
7.4.3
Operation With OPERATION Control
7.4.4
Operation With CNTL and OPERATION Control
7.5
Register Maps
7.5.1
OPERATION (01h)
7.5.1.1
On Bit
7.5.1.2
Off Bit
7.5.1.3
Margin Bit
7.5.2
ON_OFF_CONFIG (02h)
7.5.2.1
pu Bit
7.5.2.2
cmd Bit
7.5.2.3
cpr Bit
7.5.2.4
pol Bit
7.5.2.5
cpa Bit
7.5.3
CLEAR_FAULTS (03h)
7.5.4
WRITE_PROTECT (10h)
7.5.4.1
bit5
7.5.4.2
bit6
7.5.4.3
bit7
7.5.5
STORE_DEFAULT_ALL (11h)
7.5.6
RESTORE_DEFAULT_ALL (12h)
7.5.7
STORE_USER_ALL (15h)
7.5.8
RESTORE_USER_ALL (16h)
7.5.9
CAPABILITY (19h)
7.5.10
SMBALERT_MASK (1Bh)
7.5.11
VOUT_MODE (20h)
7.5.11.1
Mode Bit
7.5.11.2
Exponent Bit
7.5.12
VOUT_COMMAND (21h)
7.5.12.1
Exponent
7.5.12.2
Mantissa
7.5.13
VOUT_MAX (24h)
7.5.13.1
Exponent
7.5.13.2
Mantissa
7.5.14
VOUT_TRANSITION_RATE (27h)
7.5.14.1
Exponent
7.5.14.2
Mantissa
7.5.15
VOUT_SCALE_LOOP (29h)
7.5.15.1
Exponent
7.5.15.2
Mantissa
7.5.16
VOUT_MIN (2Bh)
7.5.16.1
Exponent
7.5.16.2
Mantissa
7.5.17
VIN_ON (35h)
7.5.17.1
Exponent
7.5.17.2
Mantissa
7.5.18
VIN_OFF (36h)
7.5.18.1
Exponent
7.5.18.2
Mantissa
7.5.19
IOUT_CAL_OFFSET (39h)
7.5.19.1
Exponent
7.5.19.2
Mantissa
7.5.20
VOUT_OV_FAULT_RESPONSE (41h)
7.5.20.1
RSP[1] Bit
7.5.20.2
RS[2:0] Bits
7.5.20.3
TD[2:0] Bits
7.5.21
VOUT_UV_FAULT_RESPONSE (45h)
7.5.21.1
RSP[1] Bit
7.5.21.2
RS[2:0] Bits
7.5.21.3
TD[2:0] Bits
7.5.22
IOUT_OC_FAULT_LIMIT (46h)
7.5.22.1
Exponent
7.5.22.2
Mantissa
7.5.23
IOUT_OC_FAULT_RESPONSE (47h)
7.5.23.1
RSP[1:0] Bits
7.5.23.2
RS[2:0] Bits
7.5.23.3
TD[2:0] Bits
7.5.24
IOUT_OC_WARN_LIMIT (4Ah)
7.5.24.1
Exponent
7.5.24.2
Mantissa
7.5.25
OT_FAULT_LIMIT (4Fh)
7.5.25.1
Exponent
7.5.25.2
Mantissa
7.5.26
OT_FAULT_RESPONSE (50h)
7.5.26.1
RSP[1] Bit
7.5.26.2
RS[2:0] Bits
7.5.26.3
TD[2:0] Bits
7.5.27
OT_WARN_LIMIT (51h)
7.5.27.1
Exponent
7.5.27.2
Mantissa
7.5.28
TON_DELAY (60h)
7.5.28.1
Exponent
7.5.28.2
Mantissa
7.5.29
TON_RISE (61h)
7.5.29.1
Exponent
7.5.29.2
Mantissa
7.5.30
TON_MAX_FAULT_LIMIT (62h)
7.5.30.1
Exponent
7.5.30.2
Mantissa
7.5.31
TON_MAX_FAULT_RESPONSE (63h)
7.5.31.1
RSP[1] Bit
7.5.31.2
RS[2:0] Bits
7.5.31.3
TD[2:0] Bits
7.5.32
TOFF_DELAY (64h)
7.5.32.1
Exponent
7.5.32.2
Mantissa
7.5.33
TOFF_FALL (65h)
7.5.33.1
Exponent
7.5.33.2
Mantissa
7.5.34
STATUS_BYTE (78h)
7.5.35
STATUS_WORD (79h)
7.5.36
STATUS_VOUT (7Ah)
7.5.37
STATUS_IOUT (7Bh)
7.5.38
STATUS_INPUT (7Ch)
7.5.39
STATUS_TEMPERATURE (7Dh)
7.5.40
STATUS_CML (7Eh)
7.5.41
STATUS_MFR_SPECIFIC (80h)
7.5.42
READ_VOUT (8Bh)
7.5.42.1
Exponent
7.5.42.2
Mantissa
7.5.43
READ_IOUT (8Ch)
7.5.43.1
Exponent
7.5.43.2
Mantissa
7.5.44
READ_TEMPERATURE_1 (8Dh)
7.5.44.1
Exponent
7.5.44.2
Mantissa
7.5.45
PMBUS_REVISION (98h)
7.5.46
IC_DEVICE_ID (ADh)
7.5.47
IC_DEVICE_REV (AEh)
7.5.48
MFR_SPECIFIC_00 (D0h)
7.5.49
VREF_TRIM (MFR_SPECIFIC_04) (D4h)
7.5.50
STEP_VREF_MARGIN_HIGH (MFR_SPECIFIC_05) (D5h)
7.5.51
STEP_VREF_MARGIN_LOW (MFR_SPECIFIC_06) (D6h)
7.5.52
PCT_OV_UV_WRN_FLT_LIMITS (MFR_SPECIFIC_07) (D7h)
7.5.53
OPTIONS (MFR_SPECIFIC_21) (E5h)
7.5.53.1
DIS_NEGILIM Bit
7.5.53.2
EN_RESET_B Bit
7.5.53.3
EN_ADC_CNTL Bit
7.5.53.4
VSM Bit
7.5.53.5
DLO Bit
7.5.53.6
AVG_PROG[1:0] Bits
7.5.53.7
EN_AUTO_ARA Bit
7.5.53.8
READ_VOUT_RANGE[1:0] Bits
7.5.53.9
RST_VOUT_oSD Bit
7.5.53.10
RSMLO_VAL Bit
7.5.53.11
RSMHI_VAL Bit
7.5.54
MISC_CONFIG_OPTIONS (MFR_SPECIFIC_32) (F0h)
7.5.54.1
OV_RESP_SEL Bit
7.5.54.2
HSOC_USER_TRIM[1:0] Bits
7.5.54.3
EN_AVS_USER Bit
7.5.54.4
FORCE_SYNC_OUT Bit
7.5.54.5
FORCE_SYNC_IN Bit
7.5.54.6
SYNC_FAULT_DIS Bit
8
Application and Implementation
8.1
Typical Application
8.1.1
Design Requirements
8.1.2
Detailed Design Procedure
8.1.2.1
Custom Design With WEBENCH® Tools
8.1.2.2
Setting the Output Voltage
8.1.2.3
Input and Output Capacitance
8.1.2.4
Selecting the Compensation Components
8.1.2.5
Setting the Switching Frequency
8.1.2.6
Power Good (PGOOD)
8.1.2.7
ON/OFF Control (CNTL)
8.1.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Package Specifications
10.4
EMI
10.5
Mounting and Thermal Profile Recommendation
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.1.1.1
Custom Design With WEBENCH® Tools
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
12.1
Tape and Reel Information
Package Options
Mechanical Data (Package|Pins)
MOL|59
MPQF484B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsdf3f_oa
slvsdf3f_pm
7.4
Device Functional Modes