ZHCSFG4B July 2016 – November 2016 TPS546C23
PRODUCTION DATA.
- 1 特性
- 2 應用范圍
- 3 說明
- 4 修訂歷史記錄
- 5 Pin Configuration and Functions
- 6 Specifications
-
7 Detailed Description
- 7.1 Overview
- 7.2 Functional Block Diagram
- 7.3
Feature Description
- 7.3.1 2-Phase Application
- 7.3.2 Linear Regulators BP3 and BP6
- 7.3.3 Input Undervoltage Lockout (UVLO)
- 7.3.4 Turnon and Turnoff Delay and Sequencing
- 7.3.5 Voltage Reference
- 7.3.6 Differential Remote Sense and Compensation
- 7.3.7 Set Output Voltage and Adaptive Voltage Scaling (AVS)
- 7.3.8 Reset VOUT
- 7.3.9 Switching Frequency and Synchronization
- 7.3.10 Current Sharing
- 7.3.11 Soft-Start Time and TON_RISE Command
- 7.3.12 Prebiased Output Start-Up
- 7.3.13 Soft-Stop time and TOFF_FALL Command
- 7.3.14 Output Current Telemetry and Low-Side MOSFET Overcurrent Protection
- 7.3.15 High-Side MOSFET Short-Circuit Protection
- 7.3.16 Die Temperature Telemetry and Overtemperature Protection
- 7.3.17 Output Voltage Telemetry and Over-/Under-voltage Protection
- 7.3.18 TON_MAX Fault
- 7.3.19 Power Good (PGOOD) Indicator
- 7.3.20 Fault Protection Responses
- 7.3.21 Switching Node
- 7.3.22 PMBus General Description
- 7.3.23 PMBus Address
- 7.3.24 PMBus Connections
- 7.3.25 Auto ARA (Alert Response Address) Response
- 7.4 Device Functional Modes
- 7.5 Programming
- 7.6
Register Maps
- 7.6.1 OPERATION (01h)
- 7.6.2 ON_OFF_CONFIG (02h)
- 7.6.3 CLEAR_FAULTS (03h)
- 7.6.4 WRITE_PROTECT (10h)
- 7.6.5 STORE_DEFAULT_ALL (11h)
- 7.6.6 RESTORE_DEFAULT_ALL (12h)
- 7.6.7 STORE_USER_ALL (11h)
- 7.6.8 RESTORE_USER_ALL (12h)
- 7.6.9 CAPABILITY (19h)
- 7.6.10 SMBALERT_MASK (1Bh)
- 7.6.11 VOUT_MODE (20h)
- 7.6.12 VOUT_COMMAND (21h)
- 7.6.13 VOUT_MAX (24h)
- 7.6.14 VOUT_TRANSITION_RATE (27h)
- 7.6.15 VOUT_SCALE_LOOP (29h)
- 7.6.16 VOUT_MIN (2Bh)
- 7.6.17 VIN_ON (35h)
- 7.6.18 VIN_OFF (36h)
- 7.6.19 IOUT_CAL_OFFSET (39h)
- 7.6.20 VOUT_OV_FAULT_RESPONSE (41h)
- 7.6.21 VOUT_UV_FAULT_RESPONSE (45h)
- 7.6.22 IOUT_OC_FAULT_LIMIT (46h)
- 7.6.23 IOUT_OC_FAULT_RESPONSE (47h)
- 7.6.24 IOUT_OC_WARN_LIMIT (4Ah)
- 7.6.25 OT_FAULT_LIMIT (4Fh)
- 7.6.26 OT_FAULT_RESPONSE (50h)
- 7.6.27 OT_WARN_LIMIT (51h)
- 7.6.28 TON_DELAY (60h)
- 7.6.29 TON_RISE (61h)
- 7.6.30 TON_MAX_FAULT_LIMIT (62h)
- 7.6.31 TON_MAX_FAULT_RESPONSE (63h)
- 7.6.32 TOFF_DELAY (64h)
- 7.6.33 TOFF_FALL (65h)
- 7.6.34 STATUS_BYTE (78h)
- 7.6.35 STATUS_WORD (79h)
- 7.6.36 STATUS_VOUT (7Ah)
- 7.6.37 STATUS_IOUT (7Bh)
- 7.6.38 STATUS_INPUT (7Ch)
- 7.6.39 STATUS_TEMPERATURE (7Dh)
- 7.6.40 STATUS_CML (7Eh)
- 7.6.41 STATUS_MFR_SPECIFIC (80h)
- 7.6.42 READ_VOUT (8Bh)
- 7.6.43 READ_IOUT (8Ch)
- 7.6.44 READ_TEMPERATURE_1 (8Dh)
- 7.6.45 PMBUS_REVISION (98h)
- 7.6.46 IC_DEVICE_ID (ADh)
- 7.6.47 IC_DEVICE_REV (AEh)
- 7.6.48 MFR_SPECIFIC_00 (D0h)
- 7.6.49 VREF_TRIM (MFR_SPECIFIC_04) (D4h)
- 7.6.50 STEP_VREF_MARGIN_HIGH (MFR_SPECIFIC_05) (D5h)
- 7.6.51 STEP_VREF_MARGIN_LOW (MFR_SPECIFIC_06) (D6h)
- 7.6.52 PCT_OV_UV_WRN_FLT_LIMITS (MFR_SPECIFIC_07) (D7h)
- 7.6.53 OPTIONS (MFR_SPECIFIC_21) (E5h)
- 7.6.54 MISC_CONFIG_OPTIONS (MFR_SPECIFIC_32) (F0h)
-
8 Applications and Implementation
- 8.1 Application Information
- 8.2
Typical Application
- 8.2.1
4.5-V to 18-V Input, 1-V Typical Output, 35-A Converter
- 8.2.1.1 Design Requirements
- 8.2.1.2
Detailed Design Procedure
- 8.2.1.2.1 Switching Frequency Selection
- 8.2.1.2.2 Inductor Selection
- 8.2.1.2.3 Output Capacitor Selection
- 8.2.1.2.4 Output Voltage Deviation During Load Transient
- 8.2.1.2.5 Output Voltage Ripple
- 8.2.1.2.6 Input Capacitor Selection
- 8.2.1.2.7 AVIN, BP6, BP3 Bypass Capacitor
- 8.2.1.2.8 Bootstrap Capacitor Selection
- 8.2.1.2.9 R-C Snubber
- 8.2.1.2.10 Output Voltage Setting and Frequency Compensation Selection
- 8.2.1.2.11 Key PMBus Parameter Selection
- 8.2.1.2.12 Enable, UVLO
- 8.2.1.2.13 Soft-Start Time
- 8.2.1.2.14 Overcurrent Threshold and Response
- 8.2.1.3 Application Curves
- 8.2.1
4.5-V to 18-V Input, 1-V Typical Output, 35-A Converter
- 9 Power Supply Recommendations
- 10Layout
- 11器件和文檔支持
- 12機械、封裝和可訂購信息
封裝選項
機械數(shù)據(jù) (封裝 | 引腳)
- RVF|40
散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)
- RVF|40
訂購信息
11 器件和文檔支持
11.1 開發(fā)支持
11.1.1 德州儀器 (TI) Fusion Digital Power Designer
德州儀器 (TI) Digital Power Designer 能夠為 器件提供全面支持。Fusion digital Power Designer 是一款圖形用戶界面 (GUI)，可使用德州儀器 (TI) USB-to-GPIO 適配器通過 PMBus 配置并監(jiān)控器件。
單擊此鏈接下載德州儀器 (TI) Fusion Digital Power Designer 軟件包。
11.1.2 WEBENCH® 工具
器件由德州儀器 (TI) WEBENCH® 工具 提供全面支持。這款在線工具可用于設計電路原理圖并計算頻率補償組件。
11.2 接收文檔更新通知
如需接收文檔更新通知，請訪問 www.apartmentvenezia.com 網(wǎng)站上的器件產(chǎn)品文件夾。點擊右上角的提醒我 (Alert me) 注冊后，即可每周定期收到已更改的產(chǎn)品信息。有關更改的詳細信息，請查閱已修訂文檔中包含的修訂歷史記錄。
11.3 社區(qū)資源
The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use.
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TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers.
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Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and contact information for technical support.
11.4 商標
NexFET, E2E are trademarks of Texas Instruments.
WEBENCH is a registered trademark of Texas Instruments.
符合 PMBus, SMBus are trademarks of System Management Interface Forum (SMIF), Inc..
All other trademarks are the property of their respective owners.
11.5 靜電放電警告
這些裝置包含有限的內(nèi)置 ESD 保護。 存儲或裝卸時，應將導線一起截短或?qū)⒀b置放置于導電泡棉中，以防止 MOS 門極遭受靜電損傷。
11.6 Glossary
SLYZ022 — TI Glossary.
This glossary lists and explains terms, acronyms, and definitions.