ZHCS189E June 2011 – December 2015 TPS43335-Q1 , TPS43336-Q1
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
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7 Detailed Description
- 7.1 Overview
- 7.2 Functional Block Diagram
- 7.3
Feature Description
- 7.3.1
Buck Controllers: Normal Mode PWM Operation
- 7.3.1.1 Frequency Selection and External Synchronization
- 7.3.1.2 Enable Inputs
- 7.3.1.3 Feedback Inputs
- 7.3.1.4 Soft-Start Inputs
- 7.3.1.5 Current-Mode Operation
- 7.3.1.6 Current Sensing and Current Limit With Foldback
- 7.3.1.7 Slope Compensation
- 7.3.1.8 Power-Good Outputs and Filter Delays
- 7.3.1.9 Light-Load PFM Mode
- 7.3.2 Boost Controller
- 7.3.3 Frequency-Hopping Spread Spectrum (TPS43336-Q1 Only)
- 7.3.4 Gate-Driver Supply (VREG, EXTSUP)
- 7.3.5 External P-Channel Drive (GC2) and Reverse Battery Protection
- 7.3.6 Undervoltage Lockout and Overvoltage Protection
- 7.3.7 Thermal Protection
- 7.3.1
Buck Controllers: Normal Mode PWM Operation
- 7.4 Device Functional Modes
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8 Application and Implementation
- 8.1 Application Information
- 8.2
Typical Applications
- 8.2.1
Automotive Infotainment Supply
- 8.2.1.1 Design Requirements
- 8.2.1.2
Detailed Design Procedure
- 8.2.1.2.1 Boost Component Selection
- 8.2.1.2.2 Boost Maximum Input Current IIN_MAX
- 8.2.1.2.3 Boost Inductor Selection, L
- 8.2.1.2.4 Inductor Ripple Current, IRIPPLE
- 8.2.1.2.5 Peak Current in Low-Side FET, IPEAK
- 8.2.1.2.6 Right Half-Plane Zero RHP Frequency, fRHP
- 8.2.1.2.7 Output Capacitor, COUTx
- 8.2.1.2.8 Bandwidth of Boost Converter, fC
- 8.2.1.2.9 Output Ripple Voltage Due to Load Transients, ?VOUTx
- 8.2.1.2.10 Selection of Components for Type II Compensation
- 8.2.1.2.11 Input Capacitor, CIN
- 8.2.1.2.12 Output Schottky Diode D1 Selection
- 8.2.1.2.13 Low-Side MOSFET (BOT_SW3)
- 8.2.1.2.14 BuckA Component Selection
- 8.2.1.2.15 Inductor Selection L
- 8.2.1.2.16 Inductor Ripple Current IRIPPLE
- 8.2.1.2.17 Output Capacitor COUTA
- 8.2.1.2.18 Bandwidth of Buck Converter fC
- 8.2.1.2.19 Selection of Components for Type II Compensation
- 8.2.1.2.20 Resistor Divider Selection for Setting VOUTA Voltage
- 8.2.1.2.21 BuckB Component Selection
- 8.2.1.2.22 Resistor Divider Selection for Setting VOUT Voltage
- 8.2.1.2.23 BuckX High-Side and Low-Side N-Channel MOSFETs
- 8.2.1.3 Application Curves
- 8.2.2 Automotive ADAS Supply
- 8.2.1
Automotive Infotainment Supply
- 9 Power Supply Recommendations
- 10Layout
- 11器件和文檔支持
- 12機械、封裝和可訂購信息
11 器件和文檔支持
11.1 器件支持
11.1.1 Third-Party Products Disclaimer
TI'S PUBLICATION OF INFORMATION REGARDING THIRD-PARTY PRODUCTS OR SERVICES DOES NOT CONSTITUTE AN ENDORSEMENT REGARDING THE SUITABILITY OF SUCH PRODUCTS OR SERVICES OR A WARRANTY, REPRESENTATION OR ENDORSEMENT OF SUCH PRODUCTS OR SERVICES, EITHER ALONE OR IN COMBINATION WITH ANY TI PRODUCT OR SERVICE.
11.2 文檔支持
11.3 相關鏈接
下面的表格列出了快速訪問鏈接。范圍包括技術文檔、支持與社區資源、工具和軟件，以及樣片或購買的快速訪問。
11.4 社區資源
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.
11.5 商標
PowerPAD, E2E are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.
11.6 靜電放電警告
這些裝置包含有限的內置 ESD 保護。 存儲或裝卸時，應將導線一起截短或將裝置放置于導電泡棉中，以防止 MOS 門極遭受靜電損傷。
11.7 Glossary
SLYZ022 — TI Glossary.
This glossary lists and explains terms, acronyms, and definitions.