Datenbogen (TPS65810EVM)InhaltsverzeichnisFEATURES1APPLICATIONS1DESCRIPTION2FUNCTIONAL BLOCK DIAGRAM3ABSOLUTE MAXIMUM RATINGS4DISSIPATION RATINGS4RECOMMENDED OPERATING CONDITIONS5ELECTRICAL CHARACTERISTICS – I2C INTERFACE6ELECTRICAL CHARACTERISTICS – SYSTEM SEQUENCING AND OPERATING MODES7ELECTRICAL CHARACTERISTICS – POWER PATH AND CHARGE MANAGEMENT8ELECTRICAL CHARACTERISTICS – POWER PATH AND CHARGE MANAGEMENT (Continued)9ELECTRICAL CHARACTERISTICS – POWER PATH AND CHARGE MANAGEMENT (Continued)10ELECTRICAL CHARACTERISTICS – LINEAR REGULATORS11ELECTRICAL CHARACTERISTICS – LINEAR REGULATORS (continued)11ELECTRICAL CHARACTERISTICS – SWITCHED-MODE SM1 STEP-DOWN CONVERTER13ELECTRICAL CHARACTERISTICS – SWITCHED MODE SM2 STEP DOWN CONVERTER14ELECTRICAL CHARACTERISTICS – GPIOs14ELECTRICAL CHARACTERISTICS – ADC15ELECTRICAL CHARACTERISTICS – LED AND PWM DRIVERS16PIN ASSIGNMENT18PIN DESCRIPTION, REQUIRED EXTERNAL COMPONENTS18APPLICATION DIAGRAM21TYPICAL CHARACTERISTICS – POWER PATH MANAGEMENT22TYPICAL CHARACTERISTICS – LINEAR REGULATORS 0, 1, 223TYPICAL CHARACTERISTICS – LINEAR REGULATORS 3, 4, 524TYPICAL CHARACTERISTICS – SM1 AND SM2 BUCK CONVERTERS25TYPICAL CHARACTERISTICS – DRIVERS26SERIAL INTERFACE27Overview27Register Default Values27I2C Address27Incremental Read27I2C Bus Release27Sleep Mode Operation27I2C Communication Protocol27I2C Read and Write Operations28Valid Write Sequences29One-Byte Write29Valid Read Sequences30Non-Valid Sequences30TPS65810 INTERNAL REGISTER MAP31FUNCTIONALITY REFERENCE GUIDE – HOST INTERFACE AND SYSTEM SEQUENCING32INTERRUPT CONTROLLER AND SYSTEM SEQUENCING33Overview33SYSTEM SEQUENCING AND TPS65810 OPERATING MODES34TPS65810 OPERATING MODE CONTROLS38SEQUENCING AND OPERATING MODES – I2C REGISTERS38INTERRUPT CONTROLLER39SYSTEM STATUS — I2C REGISTERS39INTERRUPT CONTROLLER – I2C REGISTERS40FUNCTIONALITY GUIDE — SYSTEM POWER AND CHARGE MANAGEMENT41POWER PATH AND CHARGE MANAGEMENT41Overview41POWER PATH MANAGEMENT FUNCTION43Detecting the System Status43Power Path Logic: Priority Algorithm44Input Current Limit44System Voltage Regulation45Input Overvoltage Detection45Output Short-Circuit Detection45Battery Short-Circuit Detection45Initial Power Path Operation45No-Battery Detection Circuit45Using the Input Power to Run the System and Charge the Battery Pack46BATTERY CHARGE MANAGEMENT FUNCTION46Operating Modes46Battery Preconditioning48CONSTANT CURRENT CHARGING48CHARGE TERMINATION AND RECHARGE49BATTERY VOLTAGE REGULATION, CHARGE VOLTAGE50TEMPERATURE QUALIFICATION50DYNAMIC POWER PATH MANAGEMENT50CHARGER OFF MODE50PRE-CHARGE SAFETY TIMER50CHARGE SAFETY TIMER51TIMER FAULT RECOVERY51DYNAMIC TIMER FUNCTION51CHARGE AND SYSTEM POWER MANAGEMENT — I2C REGISTERS52FUNCTIONALITY GUIDE — LINEAR REGULATORS54LINEAR REGULATORS — FUNCTIONAL DESCRIPTION55Simplified Block Diagram55Connecting the LDO Input Supply55ON/OFF Control55Output Discharge Switch55Special Functions55Output Voltage Monitoring56LINEAR REGULATORS — I2C REGISTERS56FUNCTIONALITY GUIDE — SWITCHED MODE STEP-DOWN CONVERTERS59STEP-DOWN SWITCHED MODE CONVERTERS: SM1 and SM259Output Voltage Slew Rate60Soft Start61Dropout Operation at 100% Duty Cycle61Output Voltage Monitoring61Standby Mode61PWM Operation61Phase Control in PWM Mode62PFM Mode Operation62SWITCHED-MODE STEP-DOWN CONVERTERS — I2C REGISTERS65FUNCTIONALITY GUIDE – ANALOG TO DIGITAL CONVERTER67ANALOG-TO-DIGITAL CONVERTER67Overview67Input Channels67FUNCTIONAL OVERVIEW68ADC Conversion Cycle69External Trigger Operation70Detecting an External Trigger Event70Executing Multiple-Sample Cycles With an External Trigger70Continuous Conversion Operation (Repeat Mode)71ADC Input Signal Range Setting72ADC State Machine73BATTERY DETECTION CIRCUIT73ADC – I2C REGISTERS74FUNCTIONALITY GUIDE — LED AND PERIPHERAL DRIVERS76WHITE LED CONSTANT CURRENT DRIVER77SM3 Control Logic Overview78Peak Current Control (Boost Converter)78Soft Start78Enabling the SM3 Converter79Overvoltage Protection79Under Voltage Lockout Operation79Thermal Shutdown Operation79PWM DRIVERS79PWM Pin Driver79LED_PWM Pin Driver79RGB Driver80White LED, PWM Drivers — I2C Registers81FUNCTIONALITY GUIDE – GENERAL PURPOSE INPUTS/OUTPUTS85General Purpose I/Os — GPIO 1, 2, 386GPIOs Input Level Configuration86Function Implementation: I2C Commands Versus GPIO Commands87GPIO Configuration Table88GPIOs — I2C Registers89APPLICATION INFORMATION90INDUCTOR AND CAPACITOR SELECTION — CONVERTERS SM1 AND SM290OUTPUT CAPACITOR SELECTION, SM1, SM2 CONVERTERS91INPUT CAPACITOR SELECTION, SM1, SM2 CONVERTERS92OUTPUT VOLTAGE SELECTION, SM1, SM2 CONVERTERS92DESIGN EXAMPLES92SM1, SM2 CONVERTER DESIGN EXAMPLE92CHARGER DESIGN EXAMPLE92Größe: 2,24 MBSeiten: 99Language: EnglishHandbuch öffnen
