SWCS049S
June 2010 – August 2018
TPS65911
PRODUCTION DATA.
1
Device Overview
1.1
Features
1.2
Applications
1.3
Description
1.4
Functional Block Diagram
2
Revision History
3
Device Comparison Table
4
Pin Configuration and Functions
4.1
Pin Attributes
Pin Attributes
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics: I/O Pullup and Pulldown
5.6
Electrical Characteristics: Digital I/O Voltage
5.7
Electrical Characteristics: Power Consumption
5.8
Electrical Characteristics: Power References and Thresholds
5.9
Electrical Characteristics: Thermal Monitoring and Shutdown
5.10
Electrical Characteristics: 32-kHz RTC Clock
5.11
Electrical Characteristics: Backup Battery Charger
5.12
Electrical Characteristics: VRTC LDO
5.13
Electrical Characteristics: VIO SMPS
5.14
Electrical Characteristics: VDD1 SMPS
5.15
Electrical Characteristics: VDD2 SMPS
5.16
Electrical Characteristics: VDDCtrl SMPS
5.17
Electrical Characteristics: LDO1 and LDO2
5.18
Electrical Characteristics: LDO3 and LDO4
5.19
Electrical Characteristics: LDO5
5.20
Electrical Characteristics: LDO6, LDO7, and LDO8
5.21
Timing and Switching Characteristics
5.21.1
I2C Timing and Switching
5.21.2
Switch-ON and Switch-OFF Sequences and Timing
5.21.3
Power Control Timing
5.21.3.1
Device State Control Through PWRON Signal
5.21.3.2
Device SLEEP State Control
5.21.3.3
Device Turnon and Turnoff With Rising and Falling Input Voltage
5.21.3.4
Power Supplies State Control Through EN1 and EN2 Signals
5.21.3.5
VDD1, VDD2 Voltage Control Through EN1 and EN2 Signals
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Power Reference
6.4
Power Resources
6.5
Embedded Power Controller (EPC)
6.5.1
State Machine
6.5.1.1
Device POWER ON Enable Conditions
6.5.1.2
Device POWER ON Disable Conditions
6.5.1.3
Device SLEEP Enable Conditions
6.5.1.4
Device Reset Scenarios
6.5.2
BOOT Configuration, Switch-ON, and Switch-OFF Sequences
6.5.3
Control Signals
6.5.3.1
SLEEP
6.5.3.2
PWRHOLD
6.5.3.3
BOOT1
6.5.3.4
NRESPWRON, NRESPWRON2
6.5.3.5
CLK32KOUT
6.5.3.6
PWRON
6.5.3.7
INT1
6.5.3.8
EN2 and EN1
6.5.3.9
GPIO0 to GPIO8
6.5.3.10
HDRST Input
6.5.3.11
PWRDN
6.5.3.12
Comparators: COMP1 and COMP2
6.5.3.13
Watchdog
6.5.3.14
Tracking LDO
6.6
PWM and LED Generators
6.7
Dynamic Voltage Frequency Scaling and Adaptive Voltage Scaling Operation
6.8
32-kHz RTC Clock
6.9
Real Time Clock (RTC)
6.9.1
Time Calendar Registers
6.9.2
General Registers
6.9.3
Compensation Registers
6.10
Backup Battery Management
6.11
Backup Registers
6.12
I2C Interface
6.12.1
Access Protocols
6.12.1.1
Single Byte Access
6.12.1.2
Multiple Byte Access to Several Adjacent Registers
6.13
Thermal Monitoring and Shutdown
6.14
Interrupts
6.15
Register Maps
6.15.1
Functional Registers
6.15.1.1
TPS65911_FUNC_REG Registers Mapping Summary
6.15.1.2
TPS65911_FUNC_REG Register Descriptions
7
Applications, Implementation, and Layout
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
External Component Recommendation
7.2.2.2
Controller Design Procedure
7.2.2.2.1
Inductor Selection
7.2.2.2.2
Selecting the RTRIP Resistor
7.2.2.2.3
Selecting the Output Capacitors
7.2.2.2.4
Selecting FETs
7.2.2.2.5
Bootstrap Capacitor
7.2.2.2.6
Selecting Input Capacitors
7.2.2.3
Converter Design Procedure
7.2.2.3.1
Selecting the Inductor
7.2.2.3.2
Selecting Output Capacitors
7.2.2.3.3
Selecting Input Capacitors
7.2.3
Application Curves
7.2.4
Layout Guidelines
7.2.4.1
PCB Layout
7.2.5
Layout Example
7.3
Power Supply Recommendations
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.2
Device Nomenclature
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Receiving Notification of Documentation Updates
8.4
Community Resources
8.4.1
Community Resources
8.5
Trademarks
8.6
Electrostatic Discharge Caution
8.7
Glossary
9
Mechanical, Packaging, and Orderable Information
9.1
Package Description
Package Options
Mechanical Data (Package|Pins)
ZRC|98
MPBG381
NMA|98
MPBGAT4A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
swcs049s_oa
swcs049s_pm
1.1
Features
Embedded Power Controller (EPC) With EEPROM Programmability
Two Efficient Step-Down DC-DC Converters for Processor Cores (VDD1, VDD2)
One Efficient Step-Down DC-DC Converter for I/O Power (VIO)
One Controller for External FETs (VDDCtrl)
Dynamic Voltage Scaling (DVS) for Processor Cores
Eight LDO Voltage Regulators and One RTC LDO (Supply for Internal RTC)
One High-Speed I
2
C Interface for General-Purpose Control Commands (CTL-I
2
C)
Two Independent Enable Signals for Controlling Power Resources (EN1, EN2)
Alternatively, the EN1 and EN2 Pins can be Used as a High-Speed I
2
C Interface Dedicated for Voltage Scaling for VDD1 and VDD2
Thermal Shutdown Protection and Hot-Die Detection
A Real-Time Clock (RTC) Resource With:
Oscillator for 32.768-kHz Crystal or 32-kHz Built-in RC Oscillator
Date, Time, and Calendar
Alarm Capability
Nine Configurable GPIOs With Multiplexed Feature Support:
Four can be Used as Enable for External Resources, Included in Power-Up Sequence and Controlled by State Machine
As GPI, GPIOs Support Logic-Level Detection and can Generate Maskable Interrupt for Wakeup
Two of the GPIOs Have 10-mA Current Sink Capability for Driving LEDs
DC-DC Converters Switching Synchronization Through an External 3-MHz Clock
Two Reset Inputs:
Cold Reset (HDRST)
Power Initialization Reset (PWRDN) for Thermal Reset Input
32-kHz Clock and Reset (NRESPWRON) for System and an Additional Output for Reset Signal
Watchdog
Two ON and OFF LED Pulse Generators and One PWM Generator
Two Comparators for System Control, Connected to VCCS Pin
A JTAG and Boundary Scan (Not Accessible in Functional Mode [Test Purpose])