ZHCSN24A
August 2019 – May 2021
TPS53676
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Recommended Operating Conditions
6.3
ESD Ratings
6.4
Electrical Specifications
6.4.1
Thermal Information
6.4.2
Supply
6.4.3
DAC and Voltage Feedback
6.4.4
Control Loop Parameters
6.4.5
Dynamic VID (DVID) Tuning
6.4.6
Undershoot Reduction (USR) and Overshoot Reduciton (OSR)
6.4.7
Dynamic Phase Shedding (DPS)
6.4.8
Turbo Mode and Thermal Balance Management (TBM)
6.4.9
Overcurrent Limit (OCL)
6.4.10
Telemetry
6.4.11
Phase-Locked Loop and Closed-Loop Frequency Control
6.4.12
Logic Interface
6.4.13
Current Sensing and Current Sharing
6.4.14
Pin Detection Thresholds
6.4.15
ADDR Pinstrap Decoding
6.4.16
BOOT_CHA Pinstrap Decoding
6.4.17
Timing Specifications
6.4.18
Faults and Converter Protection
6.4.19
PMBus/AVS Interfaces
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Power-up and initialization
7.3.1
First power-up
7.3.2
Boot voltage configuration (BOOT_CHA)
7.3.3
Power Sequencing
7.4
Pin connections and bevahior
7.4.1
Supplies: VCC and VREF
7.4.2
Differential remote sensing and output voltage scaling: AVSP/AVSN, BVSP/BVSN
7.4.3
Input current sensing: VIN_CSNIN and CSPIN
7.4.4
Pin-strap detection and PIN_DETECT_OVERRIDE
7.4.5
Enable and disable: AVR_EN and BVR_EN
7.4.6
System feedback: AVR_RDY and BVR_RDY
7.4.7
Catastrophic fault alert: VR_FAULT#
7.4.8
Output voltage reset: RESET#
7.4.9
Synchronization: SYNC
7.4.10
Smart power stage connections: PWM, CSP and TSEN
7.4.11
PMBus pins: SMB_DIO, SMB_CLK, and SMB_ALERT#
7.4.12
AVSBus: AVS_CLK, AVS_MDATA, AVS_SDATA, and AVS_VDDIO
7.5
Advanced power management functions
7.5.1
Adaptive voltage scaling or dynamic VID (DVID)
7.5.2
Output voltage margining
7.5.3
Power supply telemetry and calibration
7.5.3.1
Output current calibration
7.5.3.2
Input current calibration (measured)
7.5.3.3
Input current calibration (calculated)
7.5.4
Flexible phase assignment
7.5.5
Thermal balance management (TBM)
7.5.6
Dynamic phase adding/shedding (DPA/DPS)
7.6
Control Loop Theory of Operation
7.6.1
Adaptive voltage positioning and DC load line (droop)
7.6.2
DCAP+ conceptual overview
7.6.3
Off-time control: loop compensation and transient tuning
7.6.4
On-time control: adaptive ton and autobalance current sharing
7.6.5
Load transient response
7.6.6
Forced minimum on-time, minimum off-time and leading-edge blanking time
7.6.7
Nonlinear: undershoot reduction (USR), overshoot reduction (OSR) and dynamic integration
7.7
Power supply fault protection
7.7.1
Host notification and status reporting
7.7.2
Fault type and response definitions
7.7.3
Fault behavior summary
7.7.4
Detailed fault descriptions
7.7.4.1
Overvoltage fault (OVF) and warning (OVW)
7.7.4.2
Undervoltage fault (UVF) and warning (UVW)
7.7.4.3
Maximum turn-on time exceeded (TON_MAX)
7.7.4.4
Output commanded out-of-bounds (VOUT_MIN_MAX)
7.7.4.5
Overcurrent fault (OCF), warning (OCW), and per-phase overcurrent limit (OCL)
7.7.4.6
Current share warning (ISHARE)
7.7.4.7
Overtemperature fault protection (OTF) and warning (OTW)
7.7.4.8
Powerstage fault (TAO_HIGH) and powerstage not ready (TAO_LOW)
7.7.4.9
Input overvoltage fault (VIN_OVF) and warning (VIN_OVW)
7.7.4.10
Input undervoltage fault (VIN_UVF), warning (VIN_UVW) and turn-on voltage (VIN_ON)
7.7.4.11
Input overcurrent fault (IIN_OCF) and warning (IIN_OCW)
7.7.4.12
Input overpower warning (PIN_OPW)
7.7.4.13
PMBus command, memory and logic errors (CML)
7.8
Programming
7.8.1
PMBus Interface
7.8.1.1
PMBus transaction types
7.8.1.2
PMBus data formats
7.8.1.2.1
Example PMBus number format conversions
7.8.1.2.2
Example system code for PMBus format conversion
7.8.1.3
Raw non-volatile memory programming
93
7.8.1.4
PMBus Command Descriptions
7.8.1.4.1
(00h) PAGE
7.8.1.4.2
(01h) OPERATION
7.8.1.4.3
(02h) ON_OFF_CONFIG
7.8.1.4.4
(03h) CLEAR_FAULTS
7.8.1.4.5
(04h) PHASE
7.8.1.4.6
(05h) PAGE_PLUS_WRITE
7.8.1.4.7
(06h) PAGE_PLUS_READ
7.8.1.4.8
(10h) WRITE_PROTECT
7.8.1.4.9
(15h) STORE_USER_ALL
7.8.1.4.10
(16h) RESTORE_USER_ALL
7.8.1.4.11
(19h) CAPABILITY
7.8.1.4.12
(1Bh) SMBALERT_MASK_WORD
7.8.1.4.13
(1Bh) SMBALERT_MASK_VOUT
7.8.1.4.14
(1Bh) SMBALERT_MASK_IOUT
7.8.1.4.15
(1Bh) SMBALERT_MASK_INPUT
7.8.1.4.16
(1Bh) SMBALERT_MASK_TEMPERATURE
7.8.1.4.17
(1Bh) SMBALERT_MASK_CML
7.8.1.4.18
(1Bh) SMBALERT_MASK_MFR
7.8.1.4.19
(20h) VOUT_MODE
7.8.1.4.20
(21h) VOUT_COMMAND
7.8.1.4.21
(22h) VOUT_TRIM
7.8.1.4.22
(24h) VOUT_MAX
7.8.1.4.23
(25h) VOUT_MARGIN_HIGH
7.8.1.4.24
(26h) VOUT_MARGIN_LOW
7.8.1.4.25
(27h) VOUT_TRANSITION_RATE
7.8.1.4.26
(28h) VOUT_DROOP
7.8.1.4.27
(29h) VOUT_SCALE_LOOP
7.8.1.4.28
(2Bh) VOUT_MIN
7.8.1.4.29
(33h) FREQUENCY_SWITCH
7.8.1.4.30
(34h) POWER_MODE
7.8.1.4.31
(35h) VIN_ON
7.8.1.4.32
(38h) IOUT_CAL_GAIN
7.8.1.4.33
(39h) IOUT_CAL_OFFSET
7.8.1.4.34
(40h) VOUT_OV_FAULT_LIMIT
7.8.1.4.35
(41h) VOUT_OV_FAULT_RESPONSE
7.8.1.4.36
(42h) VOUT_OV_WARN_LIMIT
7.8.1.4.37
(43h) VOUT_UV_WARN_LIMIT
7.8.1.4.38
(44h) VOUT_UV_FAULT_LIMIT
7.8.1.4.39
(45h) VOUT_UV_FAULT_RESPONSE
7.8.1.4.40
(46h) IOUT_OC_FAULT_LIMIT
7.8.1.4.41
(47h) IOUT_OC_FAULT_RESPONSE
7.8.1.4.42
(4Ah) IOUT_OC_WARN_LIMIT
7.8.1.4.43
(4Fh) OT_FAULT_LIMIT
7.8.1.4.44
(50h) OT_FAULT_RESPONSE
7.8.1.4.45
(51h) OT_WARN_LIMIT
7.8.1.4.46
(55h) VIN_OV_FAULT_LIMIT
7.8.1.4.47
(56h) VIN_OV_FAULT_RESPONSE
7.8.1.4.48
(57h) VIN_OV_WARN_LIMIT
7.8.1.4.49
(58h) VIN_UV_WARN_LIMIT
7.8.1.4.50
(59h) VIN_UV_FAULT_LIMIT
7.8.1.4.51
(5Ah) VIN_UV_FAULT_RESPONSE
7.8.1.4.52
(5Bh) IIN_OC_FAULT_LIMIT
7.8.1.4.53
(5Ch) IIN_OC_FAULT_RESPONSE
7.8.1.4.54
(5Dh) IIN_OC_WARN_LIMIT
7.8.1.4.55
(60h) TON_DELAY
7.8.1.4.56
(61h) TON_RISE
7.8.1.4.57
(62h) TON_MAX_FAULT_LIMIT
7.8.1.4.58
(63h) TON_MAX_FAULT_RESPONSE
7.8.1.4.59
(64h) TOFF_DELAY
7.8.1.4.60
(65h) TOFF_FALL
7.8.1.4.61
(6Bh) PIN_OP_WARN_LIMIT
7.8.1.4.62
(78h) STATUS_BYTE
7.8.1.4.63
(79h) STATUS_WORD
7.8.1.4.64
(7Ah) STATUS_VOUT
7.8.1.4.65
(7Bh) STATUS_IOUT
7.8.1.4.66
(7Ch) STATUS_INPUT
7.8.1.4.67
(7Dh) STATUS_TEMPERATURE
7.8.1.4.68
(7Eh) STATUS_CML
7.8.1.4.69
(80h) STATUS_MFR_SPECIFIC
7.8.1.4.70
(88h) READ_VIN
7.8.1.4.71
(89h) READ_IIN
7.8.1.4.72
(8Bh) READ_VOUT
7.8.1.4.73
(8Ch) READ_IOUT
7.8.1.4.74
(8Dh) READ_TEMPERATURE_1
7.8.1.4.75
(96h) READ_POUT
7.8.1.4.76
(97h) READ_PIN
7.8.1.4.77
(98h) PMBUS_REVISION
7.8.1.4.78
(99h) MFR_ID
7.8.1.4.79
(9Ah) MFR_MODEL
7.8.1.4.80
(9Bh) MFR_REVISION
7.8.1.4.81
(9Dh) MFR_DATE
7.8.1.4.82
(ADh) IC_DEVICE_ID
7.8.1.4.83
(AEh) IC_DEVICE_REV
7.8.1.4.84
(B1h) USER_DATA_01 (COMPENSATION_CONFIG)
7.8.1.4.85
(B2h) USER_DATA_02 (NONLINEAR_CONFIG)
7.8.1.4.86
(B3h) USER_DATA_03 (PHASE_CONFIG)
7.8.1.4.87
(B4h) USER_DATA_04 (DVID_CONFIG)
7.8.1.4.88
(B7h) USER_DATA_07 (PHASE_SHED_CONFIG)
7.8.1.4.89
(B8h) USER_DATA_08 (AVSBUS_CONFIG)
7.8.1.4.90
(BAh) USER_DATA_10 (ISHARE_CONFIG)
7.8.1.4.91
(BBh) USER_DATA_11 (MFR_PROTECTION_CONFIG)
7.8.1.4.92
(BDh) USER_DATA_13 (MFR_CALIBRATION_CONFIG)
7.8.1.4.93
(CDh) MFR_SPECIFIC_CD (MULTIFUNCTION_PIN_CONFIG_1)
7.8.1.4.94
(CEh) MFR_SPECIFIC_CD (MULTIFUNCTION_PIN_CONFIG_2)
7.8.1.4.95
(CFh) SMBALERT_MASK_EXTENDED
7.8.1.4.96
(D1h) READ_VOUT_MIN_MAX
7.8.1.4.97
(D2h) READ_IOUT_MIN_MAX
7.8.1.4.98
(D3h) READ_TEMPERATURE_MIN_MAX)
7.8.1.4.99
(D4h) READ_MFR_VOUT
7.8.1.4.100
(D5h) READ_VIN_MIN_MAX
7.8.1.4.101
(D6h) READ_IIN_MIN_MAX
7.8.1.4.102
(D7h) READ_PIN_MIN_MAX
7.8.1.4.103
(D8h) READ_POUT_MIN_MAX
7.8.1.4.104
(DAh) READ_ALL
7.8.1.4.105
(DBh) STATUS_ALL
7.8.1.4.106
(DCh) STATUS_PHASES
7.8.1.4.107
(DDh) STATUS_EXTENDED
7.8.1.4.108
(E0h) AVSBUS_LOG
7.8.1.4.109
(E3h) MFR_SPECIFIC_E3 (VR_FAULT_CONFIG)
7.8.1.4.110
(E4h) SYNC_CONFIG
7.8.1.4.111
(EDh) MFR_SPECIFIC_ED (MISC_OPTIONS)
7.8.1.4.112
(EEh) MFR_SPECIFIC_EE (PIN_DETECT_OVERRIDE)
7.8.1.4.113
(EFh) MFR_SPECIFIC_EF (SLAVE_ADDRESS)
7.8.1.4.114
(F0h) MFR_SPECIFIC_F0 (NVM_CHECKSUM)
7.8.1.4.115
(F5h) MFR_SPECIFIC_F5 (USER_NVM_INDEX)
7.8.1.4.116
(F6h) MFR_SPECIFIC_F6 (USER_NVM_EXECUTE)
7.8.1.4.117
(FAh) NVM_LOCK
7.8.1.4.118
(FBh) MFR_SPECIFIC_WRITE_PROTECT
7.8.2
AVSBus Interface
7.8.2.1
AVSBus transaction types
7.8.2.2
Example AVSBus Frames
7.8.2.3
Example AVSBus number format conversions
7.8.2.4
AVSBus fault and warning behavior
7.8.2.5
AVSBus Command Descriptions
7.8.2.5.1
(0h) AVSBus Output Voltage
7.8.2.5.2
(1h) AVSBus Transition Rate
7.8.2.5.3
(2h) AVSBus Output Current
7.8.2.5.4
(3h) AVSBus Temperature
7.8.2.5.5
(4h) AVSBus Reset Voltage
7.8.2.5.6
(5h) AVSBus Power Mode
7.8.2.5.7
(Eh) AVSBus Status
7.8.2.5.8
(Fh) AVSBus Version
8
Applications and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Schematic
8.2.2
Design Requirements
8.2.3
Detailed Design Procedure
8.2.4
Application Performance Plots
9
Power Supply Recommendations
10
Layout
11
Device and Documentation Support
11.1
接收文档更新通知
11.2
支持资源
11.3
Trademarks
11.4
静电放电警告
11.5
术语表
12
Mechanical, Packaging, and Orderable Information
12.1
Package Option Addendum
12.1.1
Packaging Information
12.1.2
Tape and Reel Information
封装选项
机械数据 (封装 | 引脚)
RSL|48
MPQF193A
散热焊盘机械数据 (封装 | 引脚)
RSL|48
QFND155N
订购信息
zhcsn24a_oa
6
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