SLVSFW7
September 2022
TPS544C26
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
Internal VCC LDO and Using an External Bias on VCC/VDRV Pin
7.3.2
Input Undervoltage Lockout (UVLO)
7.3.2.1
Fixed VCC_OK UVLO
7.3.2.2
Fixed VDRV UVLO
7.3.2.3
Programmable PVIN UVLO
7.3.2.4
Enable
7.3.3
Differential Remote Sense and Internal Feedback Divider
7.3.4
Set the Output Voltage and VID Table
7.3.5
Startup and Shutdown
7.3.6
Dynamic Voltage Slew Rate
7.3.7
Adaptive Voltage Positioning (Droop) and DC Load Line (DCLL)
7.3.8
Loop Compensation
7.3.9
Set Switching Frequency
7.3.10
Switching Node (SW)
7.3.11
Overcurrent Limit and Low-side Current Sense
7.3.12
Negative Overcurrent Limit
7.3.13
Zero-Crossing Detection
7.3.14
Input Overvoltage Protection
7.3.15
Output Overvoltage and Undervoltage Protection
7.3.16
Overtemperature Protection
7.3.17
VR Ready
7.3.18
Catastrophic Fault Alert: CAT_FAULT#
7.3.19
Telemetry
7.3.20
I2C Interface General Description
7.3.20.1
Setting the I2C Address
7.3.20.2
I2C Write Protection
7.3.20.3
I2C Registers With Special Handling
7.4
Device Functional Modes
7.4.1
Forced Continuous-Conduction Mode
7.4.2
Auto-Skip Eco-mode™ Light Load Operation
7.4.3
Powering the Device From a 12-V Bus
7.4.4
Powering the Device From a Split-rail Configuration
7.5
Programming
7.5.1
Supported I2C Registers
7.5.2
Support of Intel SVID Interface
7.6
Register Maps
7.6.1
(01h) OPERATION
7.6.2
(02h) ON_OFF_CONFIG
7.6.3
(03h) CLEAR_FAULTS
7.6.4
(15h) STORE_USER_ALL
7.6.5
(16h) RESTORE_USER_ALL
7.6.6
(33h) FREQUENCY_SWITCH
7.6.7
(35h) VIN_ON
7.6.8
(36h) VIN_OFF
7.6.9
(40h) VOUT_OV_FAULT_LIMIT
7.6.10
(41h) VOUT_OV_FAULT_RESPONSE
7.6.11
(42h) VOUT_OV_WARN_LIMIT
7.6.12
(43h) VOUT_UV_WARN_LIMIT
7.6.13
(44h) VOUT_UV_FAULT_LIMIT
7.6.14
(45h) VOUT_UV_FAULT_RESPONSE
7.6.15
(46h) IOUT_OC_FAULT_LIMIT
7.6.16
(4Fh) OT_FAULT_LIMIT
7.6.17
(50h) OT_FAULT_RESPONSE
7.6.18
(51h) OT_WARN_LIMIT
7.6.19
(55h) VIN_OV_FAULT_LIMIT
7.6.20
(60h) TON_DELAY
7.6.21
(61h) TON_RISE
7.6.22
(64h) TOFF_DELAY
7.6.23
(65h) TOFF_FALL
7.6.24
(6Bh) PIN_OP_WARN_LIMIT
7.6.25
(7Ah) STATUS_VOUT
7.6.26
(7Bh) STATUS_IOUT
7.6.27
(7Ch) STATUS_INPUT
7.6.28
(7Dh) STATUS_TEMPERATURE
7.6.29
(80h) STATUS_MFR_SPECIFIC
7.6.30
(88h) READ_VIN
7.6.31
(89h) READ_IIN
7.6.32
(8Bh) READ_VOUT
7.6.33
(8Ch) READ_IOUT
7.6.34
(8Dh) READ_TEMPERATURE_1
7.6.35
(97h) READ_PIN
7.6.36
(A0h) SYS_CFG_USER1
7.6.37
(A2h) I2C_ADDR
7.6.38
(A3h) SVID_ADDR
7.6.39
(A4h) IMON_CAL
7.6.40
(A5h) IIN_CAL
7.6.41
(A6h) VOUT_CMD
7.6.42
(A7h) VID_SETTING
7.6.43
(A8h) I2C_OFFSET
7.6.44
(A9h) COMP1_MAIN
7.6.45
(AAh) COMP2_MAIN
7.6.46
(ABh) COMP1_ALT
7.6.47
(ACh) COMP2_ALT
7.6.48
(ADh) COMP3
7.6.49
(AFh) DVS_CFG
7.6.50
(B0h) DVID_OFFSET
7.6.51
(B1h) REG_LOCK
7.6.52
(B3h) PIN_SENSE_RES
7.6.53
(B4h) IOUT_NOC_LIMIT
7.6.54
(B5h) USER_DATA_01
7.6.55
(B6h) USER_DATA_02
7.6.56
(BAh) STATUS1_SVID
7.6.57
(BBh) STATUS2_SVID
7.6.58
(BCh) CAPABILITY
7.6.59
(BDh) EXT_CAPABILITY_VIDOMAX_H
7.6.60
(BEh) VIDOMAX_L
7.6.61
(C0h) ICC_MAX
7.6.62
(C1h) TEMP_MAX
7.6.63
(C2h) PROTOCOL_ID_SVID
7.6.64
(C6h) VENDOR_ID
7.6.65
(C8h) PRODUCT_ID
7.6.66
(C9h) PRODUCT_REV_ID
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Application
8.2.2
Design Requirements
8.2.3
Detailed Design Procedure
8.2.3.1
Inductor Selection
8.2.3.2
Input Capacitor Selection
8.2.3.3
Output Capacitor Selection
8.2.3.4
VCC/VRDV Bypass Capacitor
8.2.3.5
BOOT Capacitor Selection
8.2.3.6
RSENSE Selection
8.2.3.7
VINSENP and VINSENN Capacitor Selection
8.2.3.8
VRRDY Pullup Resistor Selection
8.2.3.9
I2C Address Resistor Selection
8.2.4
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
8.4.2.1
Thermal Performance on TPS544C26EVM
9
Device and Documentation Support
9.1
Documentation Support
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RXX|37
MPQF618C
Thermal pad, mechanical data (Package|Pins)
RXX|37
QFND716D
Orderable Information
slvsfw7_oa
slvsfw7_pm
7.3
Feature Description