JAJSG04A
August 2018 – June 2021
TPSM831D31
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
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
References: DAC
6.7
Telemetry
6.8
Current Sense and Calibration
6.9
Logic Interface Pins: A_EN, A_PGOOD, B_EN, B_PGOOD,RESET
6.10
Protections: OVP and UVP
6.11
Typical Characteristics (VIN = 12 V)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
DCAP+ Control
7.3.2
Setting the Load-Line (DROOP)
7.3.3
Start-Up Timing
7.3.4
Load Transitions
7.3.5
Switching Frequency
7.3.6
RESET Function
7.3.7
VID Table
7.4
Device Functional Modes
7.4.1
Continuous Conduction Mode
7.4.2
Operation With EN Signal Control
7.4.3
Operation With OPERATION Control
7.4.4
Operation With EN and OPERATION Control
7.5
Programming
7.5.1
PMBus Connections
7.5.2
PMBus Address Selection
7.5.3
Supported Commands
7.5.4
Commonly Used PMBus Commands
7.5.5
Voltage, Current, Power, and Temperature Readings
7.5.5.1
(88h) READ_VIN
7.5.5.2
(89h) READ_IIN
7.5.5.3
(8Bh) READ_VOUT
7.5.5.4
(8Ch) READ_IOUT
7.5.5.5
(8Dh) READ_TEMPERATURE_1
7.5.5.6
(96h) READ_POUT
7.5.5.7
(97h) READ_PIN
7.5.5.8
(D4h) MFR_SPECIFIC_04
7.5.6
Output Current Sense and Calibration
7.5.6.1
Reading Individual Phase Currents
7.5.6.1.1
Reading Total Current
7.5.6.1.2
51
7.5.7
Output Voltage Margin Testing
7.5.7.1
(01h) OPERATION
7.5.7.2
(26h) VOUT_MARGIN_LOW
7.5.7.3
(25h) VOUT_MARGIN_HIGH
7.5.8
Loop Compensation
7.5.8.1
(D7h) MFR_SPECIFIC_07
7.5.8.2
(28h) VOUT_DROOP
7.5.9
Converter Protection and Response
7.5.10
Output Overvoltage Protection and Response
7.5.10.1
(40h) VOUT_OV_FAULT_LIMIT
7.5.10.2
(41h) VOUT_OV_FAULT_RESPONSE
7.5.11
Maximum Allowed Output Voltage Setting
7.5.11.1
(24h) VOUT_MAX
7.5.12
Output Undervoltage Protection and Response
7.5.12.1
(44h) VOUT_UV_FAULT_LIMIT
7.5.12.2
(45h) VOUT_UV_FAULT_RESPONSE
7.5.13
Minimum Allowed Output Voltage Setting
7.5.13.1
(2Bh) VOUT_MIN
7.5.14
Output Overcurrent Protection and Response
7.5.14.1
(46h) IOUT_OC_FAULT_LIMIT
7.5.14.2
(4Ah) IOUT_OC_WARN_LIMIT
7.5.14.3
(47h) IOUT_OC_FAULT_RESPONSE
7.5.14.4
Per Phase Overcurrent Limit Thresholds
7.5.15
Input Under-Voltage Lockout (UVLO)
7.5.15.1
(35h) VIN_ON
7.5.16
Input Over-Voltage Protection and Response
7.5.16.1
(55h) VIN_OV_FAULT_LIMIT
7.5.16.2
(56h) VIN_OV_FAULT_RESPONSE
7.5.17
Input Undervoltage Protection and Response
7.5.17.1
(59h) VIN_UV_FAULT_LIMIT
7.5.17.2
(5Ah) VIN_UV_FAULT_RESPONSE
7.5.18
Input Overcurrent Protection and Response
7.5.18.1
(5Bh) IIN_OC_FAULT_LIMIT
7.5.18.2
(5Dh) IIN_OC_WARN_LIMIT
7.5.18.3
(5Ch) IIN_OC_FAULT_RESPONSE
7.5.19
Overtemperature Protection and Response
7.5.19.1
(4Fh) OT_FAULT_LIMIT
7.5.19.2
(51h) OT_WARN_LIMIT
7.5.19.3
(50h) OT_FAULT_RESPONSE
7.5.20
Dynamic Phase Shedding (DPS)
7.5.20.1
(DEh) MFR_SPECIFIC_14
7.5.20.2
(DFh) MFR_SPECIFIC_15
7.5.21
NVM Programming
7.5.22
NVM Security
7.5.22.1
(FAh) MFR_SPECIFIC_42
7.5.23
Black Box Recording
7.5.23.1
(D8h) MFR_SPECIFIC_08
7.5.24
Board Identification and Inventory Tracking
7.5.25
Status Reporting
7.5.25.1
(78h) STATUS_BYTE
7.5.25.2
(79h) STATUS_WORD
7.5.25.3
(7Ah) STATUS_VOUT
7.5.25.4
(7Bh) STATUS_IOUT
7.5.25.5
(7Ch) STATUS_INPUT
7.5.25.6
(7Dh) STATUS_TEMPERATURE
7.5.25.7
(7Eh) STATUS_CML
7.5.25.8
(80h) STATUS_MFR_SPECIFIC
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
Input Capacitors
8.2.2.2
Output Capacitors
8.2.2.3
Switching Frequency
8.2.2.4
Set PMBus Address
8.2.2.5
PMBus GUI Default Values
8.2.3
Application Performance Plots
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
11
Device and Documentation Support
11.1
ドキュメントの更新通知を受け取る方法
11.2
サポート・リソース
11.3
Trademarks
11.4
静電気放電に関する注意事項
11.5
用語集
12
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
MOA|28
サーマルパッド・メカニカル・データ
発注情報
jajsg04a_oa
1
特長
入力電圧範囲:8V~14V
デュアル出力:120A (3 相) + 40A (1 相)
出力電圧範囲:0.25V~1.52V
5mV 刻みでプログラム可能
差動リモート・センス
±0.5% の Vref 精度、リモート・センス機能付き
PMBus インターフェイス
プログラム可能な V
OUT
、UVLO、フォルト制限
VIN、VOUT、IOUT、温度の遠隔操作
最高 1MHz のバス速度に対応
オンチップの不揮発性構成メモリ
超高速の過渡応答
スイッチング周波数範囲:350kHz~700kHz
15mm × 48mm のフットプリントと 12mm の高さ
最大 95% の効率
デュアルのパワー・グッド出力
過電流、過電圧、過熱保護
動作時の IC 接合部温度範囲:-40℃~125℃
動作時の周囲温度範囲:-40℃~105℃