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SWCS049I 数据表(PDF) 3 Page - Texas Instruments |
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SWCS049I 数据表(HTML) 3 Page - Texas Instruments |
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3 / 144 page  3 TPS65911 www.ti.com SWCS049S – JUNE 2010 – REVISED AUGUST 2018 Submit Documentation Feedback Product Folder Links: TPS65911 Revision History Copyright © 2010–2018, Texas Instruments Incorporated Table of Contents 1 Device Overview ......................................... 1 1.1 Features .............................................. 1 1.2 Applications ........................................... 1 1.3 Description ............................................ 1 1.4 Functional Block Diagram ............................ 2 2 Revision History ......................................... 3 3 Device Comparison Table .............................. 8 4 Pin Configuration and Functions ..................... 9 4.1 Pin Attributes ........................................ 10 5 Specifications ........................................... 12 5.1 Absolute Maximum Ratings ......................... 12 5.2 ESD Ratings ........................................ 12 5.3 Recommended Operating Conditions ............... 13 5.4 Thermal Information ................................. 13 5.5 Electrical Characteristics: I/O Pullup and Pulldown . 14 5.6 Electrical Characteristics: Digital I/O Voltage ....... 14 5.7 Electrical Characteristics: Power Consumption ..... 16 5.8 Electrical Characteristics: Power References and Thresholds .......................................... 17 5.9 Electrical Characteristics: Thermal Monitoring and Shutdown ............................................ 18 5.10 Electrical Characteristics: 32-kHz RTC Clock ....... 18 5.11 Electrical Characteristics: Backup Battery Charger . 19 5.12 Electrical Characteristics: VRTC LDO .............. 19 5.13 Electrical Characteristics: VIO SMPS ............... 20 5.14 Electrical Characteristics: VDD1 SMPS ............. 21 5.15 Electrical Characteristics: VDD2 SMPS ............. 23 5.16 Electrical Characteristics: VDDCtrl SMPS .......... 25 5.17 Electrical Characteristics: LDO1 and LDO2 ......... 27 5.18 Electrical Characteristics: LDO3 and LDO4 ......... 29 5.19 Electrical Characteristics: LDO5 .................... 31 5.20 Electrical Characteristics: LDO6, LDO7, and LDO8 32 5.21 Timing and Switching Characteristics ............... 35 6 Detailed Description ................................... 45 6.1 Overview ............................................ 45 6.2 Functional Block Diagram ........................... 46 6.3 Power Reference .................................... 47 6.4 Power Resources ................................... 47 6.5 Embedded Power Controller (EPC) ................. 47 6.6 PWM and LED Generators ......................... 58 6.7 Dynamic Voltage Frequency Scaling and Adaptive Voltage Scaling Operation .......................... 58 6.8 32-kHz RTC Clock .................................. 58 6.9 Real Time Clock (RTC) ............................. 59 6.10 Backup Battery Management ....................... 62 6.11 Backup Registers ................................... 62 6.12 I2C Interface ......................................... 62 6.13 Thermal Monitoring and Shutdown ................. 64 6.14 Interrupts ............................................ 64 6.15 Register Maps ....................................... 65 7 Applications, Implementation, and Layout ...... 120 7.1 Application Information ............................ 120 7.2 Typical Application ................................ 120 7.3 Power Supply Recommendations ................. 131 8 Device and Documentation Support .............. 132 8.1 Device Support ..................................... 132 8.2 Documentation Support ............................ 133 8.3 Receiving Notification of Documentation Updates . 133 8.4 Community Resources ............................. 133 8.5 Trademarks ........................................ 133 8.6 Electrostatic Discharge Caution ................... 133 8.7 Glossary ............................................ 134 9 Mechanical, Packaging, and Orderable Information ............................................. 134 9.1 Package Description ............................... 134 2 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision R (May 2018) to Revision S Page • Added TPS65911A to the device comparison table ............................................................................. 8 Changes from Revision Q (March 2016) to Revision R Page • Changed Device Information table to a single row reflecting all orderable devices ......................................... 2 • Changed the Functional Block Diagram ........................................................................................... 2 • Deleted lead temperature from the Recommended Operating Conditions table ........................................... 13 • Corrected VIO output voltage from 2.2 V to 2.5 V .............................................................................. 20 • Changed the VDDCtrl slew rate from 100 mV/20µs to 5 mV/µs for clarity ................................................. 25 • Added SEL options for VOUT < 1 V ............................................................................................... 30 • Added the Overview section ...................................................................................................... 45 • Corrected VIO voltage from 2.2 V to 2.5 V ...................................................................................... 47 • Corrected the SEL bits for 1 V selection for LDO1_REG and LDO2_REG ................................................. 87 • Corrected the SEL bits for 0.8 V to 0.9 V options. Added the SEL bits for 0.95 V. ........................................ 90 |
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