SLVS658C March   2006  – January 2016 TPS65810 , TPS65811

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics - System Sequencing and Operating Modes
    6. 7.6  Electrical Characteristics - Power Path and Charge Management
    7. 7.7  Electrical Characteristics - Power Path and Charge Management (Continued)
    8. 7.8  Electrical Characteristics - Power Path and Charge Management (Continued)
    9. 7.9  Electrical Characteristics - Linear Regulators
    10. 7.10 Electrical Characteristics - Switched-Mode SM1 Step-Down Converter
    11. 7.11 Electrical Characteristics - Switched-Mode SM2 Step-Down Converter
    12. 7.12 Electrical Characteristics - GPIOs
    13. 7.13 Electrical Characteristics - ADC
    14. 7.14 Electrical Characteristics - LED and PWM Drivers
    15. 7.15 Electrical Characteristics - I2C Interface
    16. 7.16 Timing Requirements - I2C Interface
    17. 7.17 Trigger Timing Characteristics
    18. 7.18 Dissipation Ratings
    19. 7.19 Typical Characteristics
      1. 7.19.1 Power Path Management
      2. 7.19.2 Linear Regulators 0, 1, 2
      3. 7.19.3 Linear Regulators 3, 4, 5
      4. 7.19.4 SM1 and SM2 Buck Converters
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Interrupt Controller and System Sequencing
        1. 8.3.1.1 Overview
        2. 8.3.1.2 Interrupt Controller
        3. 8.3.1.3 System Sequencing and TPS65810 Operating Modes
          1. 8.3.1.3.1 Power Up
          2. 8.3.1.3.2 Enable
          3. 8.3.1.3.3 Sequencing
          4. 8.3.1.3.4 Reset
          5. 8.3.1.3.5 Power-Good Check
          6. 8.3.1.3.6 Sleep Mode
          7. 8.3.1.3.7 Normal Mode
          8. 8.3.1.3.8 Processor Standby State
        4. 8.3.1.4 TPS65810 Operating Mode Controls
        5. 8.3.1.5 Functionality Reference Guide - Host Interface and System Sequencing
      2. 8.3.2 Power Path and Charge Management
        1. 8.3.2.1 Overview
        2. 8.3.2.2 Power Path Management Function
          1. 8.3.2.2.1  Detecting the System Status
          2. 8.3.2.2.2  Power Path Logic: Priority Algorithm
          3. 8.3.2.2.3  Input Current Limit
          4. 8.3.2.2.4  System Voltage Regulation
          5. 8.3.2.2.5  Input Overvoltage Detection
          6. 8.3.2.2.6  Output Short-Circuit Detection
          7. 8.3.2.2.7  Battery Short-Circuit Detection
          8. 8.3.2.2.8  Initial Power Path Operation
          9. 8.3.2.2.9  No-Battery Detection Circuit
          10. 8.3.2.2.10 Using the Input Power to Run the System and Charge the Battery Pack
        3. 8.3.2.3 Battery Charge Management Function
          1. 8.3.2.3.1  Operating Modes
          2. 8.3.2.3.2  Battery Preconditioning
          3. 8.3.2.3.3  Constant Current Charging
          4. 8.3.2.3.4  Charge Termination and Recharge
          5. 8.3.2.3.5  Battery Voltage Regulation, Charge Voltage
          6. 8.3.2.3.6  Temperature Qualification
          7. 8.3.2.3.7  Dynamic Power Path Management
          8. 8.3.2.3.8  Charger Off Mode
          9. 8.3.2.3.9  Precharge Safety Timer
          10. 8.3.2.3.10 Charge Safety Timer
          11. 8.3.2.3.11 Timer Fault Recovery
          12. 8.3.2.3.12 Dynamic Timer Function
        4. 8.3.2.4 Functionality Guide — System Power and Charge Management
      3. 8.3.3 Linear Regulators
        1. 8.3.3.1 Simplified Block Diagram
        2. 8.3.3.2 Connecting the LDO Input Supply
        3. 8.3.3.3 ON/OFF Control
        4. 8.3.3.4 Output Discharge Switch
        5. 8.3.3.5 Special Functions
        6. 8.3.3.6 Output Voltage Monitoring
        7. 8.3.3.7 Functionality Guide — Linear Regulators
      4. 8.3.4 Step-Down Switched-Mode Converters: SM1 and SM2
        1. 8.3.4.1 Output Voltage Slew Rate
        2. 8.3.4.2 Soft-Start
        3. 8.3.4.3 Dropout Operation at 100% Duty Cycle
        4. 8.3.4.4 Output Voltage Monitoring
        5. 8.3.4.5 Stand-by Mode
        6. 8.3.4.6 PWM Operation
        7. 8.3.4.7 Phase Control in PWM Mode
        8. 8.3.4.8 PFM Mode Operation
        9. 8.3.4.9 Functionality Guide — Switched-Mode Step-Down Converters
      5. 8.3.5 Analog-to-Digital Converter
        1. 8.3.5.1 Overview
        2. 8.3.5.2 Input Channels
        3. 8.3.5.3 Functional Overview
          1. 8.3.5.3.1 ADC Conversion Cycle
          2. 8.3.5.3.2 External Trigger Operation
          3. 8.3.5.3.3 Detecting an External Trigger Event
          4. 8.3.5.3.4 Executing Multiple-Sample Cycles With an External Trigger
          5. 8.3.5.3.5 Continuous Conversion Operation (Repeat Mode)
          6. 8.3.5.3.6 ADC Input Signal Range Setting
          7. 8.3.5.3.7 ADC State Machine
        4. 8.3.5.4 Battery Detection Circuit
        5. 8.3.5.5 Functionality Guide - Analog to Digital Converter
      6. 8.3.6 LED and Peripheral Drivers
        1. 8.3.6.1 White LED Constant Current Driver
          1. 8.3.6.1.1 SM3 Control Logic Overview
          2. 8.3.6.1.2 Peak Current Control (Boost Converter)
          3. 8.3.6.1.3 Soft-Start
          4. 8.3.6.1.4 Enabling the SM3 Converter
          5. 8.3.6.1.5 Overvoltage Protection
          6. 8.3.6.1.6 Under Voltage Lockout Operation
          7. 8.3.6.1.7 Thermal Shutdown Operation
        2. 8.3.6.2 PWM Drivers
          1. 8.3.6.2.1 PWM Pin Driver
          2. 8.3.6.2.2 LED_PWM Pin Driver
          3. 8.3.6.2.3 RGB Driver
        3. 8.3.6.3 Functionality Guide — LED And Peripheral Drivers
      7. 8.3.7 General-Purpose I/Os — GPIO 1, 2, 3
        1. 8.3.7.1 GPIOs Input Level Configuration
        2. 8.3.7.2 Function Implementation: I2C Commands Versus GPIO Commands
          1. 8.3.7.2.1 GPIO Configuration Table
        3. 8.3.7.3 Functionality Guide - General-Purpose Inputs and Outputs
    4. 8.4 Device Functional Modes
      1. 8.4.1 Sleep Mode
      2. 8.4.2 Normal Mode
    5. 8.5 Programming
      1. 8.5.1 Serial Interface
        1. 8.5.1.1  Overview
        2. 8.5.1.2  Register Default Values
        3. 8.5.1.3  I2C Address
        4. 8.5.1.4  Incremental Read
        5. 8.5.1.5  I2C Bus Release
        6. 8.5.1.6  Sleep Mode Operation
        7. 8.5.1.7  I2C Communication Protocol
        8. 8.5.1.8  I2C Read and Write Operations
        9. 8.5.1.9  Valid Write Sequences
        10. 8.5.1.10 One-Byte Write
        11. 8.5.1.11 Valid Read Sequences
        12. 8.5.1.12 Non-Valid Sequences
    6. 8.6 Register Maps
      1. 8.6.1 Sequencing and Operating Modes - I2C Registers
      2. 8.6.2 System Status — I2C Registers
      3. 8.6.3 Interrupt Controller - I2C Registers
      4. 8.6.4 Charge and System Power Management — I2C Registers
      5. 8.6.5 Linear Regulators — I2C Registers
      6. 8.6.6 Switched-Mode Step-Down Converters — I2C Registers
      7. 8.6.7 ADC - I2C Registers
      8. 8.6.8 White LED, PWM Drivers — I2C Registers
      9. 8.6.9 GPIOs — I2C Registers
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 SM1, SM2 Converter Design Example
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Inductor and Capacitor Selection — Converters SM1 and SM2
          2. 9.2.1.2.2 Output Capacitor Selection, SM1, SM2 Converters
          3. 9.2.1.2.3 Input Capacitor Selection, SM1, SM2 Converters
          4. 9.2.1.2.4 Output Voltage Selection, SM1, SM2 Converters
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Charger Design Example
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
          1. 9.2.2.2.1 Program the Fast Charge Current Level:
          2. 9.2.2.2.2 Program the DPPM_OUT Voltage Level
          3. 9.2.2.2.3 Program the BAT Short Circuit Delay
          4. 9.2.2.2.4 Program the 5-Hour Safety Timer
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Related Documentation
    3. 12.3 Related Links
    4. 12.4 Community Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6 Pin Configuration and Functions

RTQ Package
56-Pin QFN With Exposed Thermal Pad
Top View

Pin Functions

PIN I/O DESCRIPTION EXTERNAL REQUIRED COMPONENTS
(See Figure 51)
NAME NO.
AC 7 I Adapter charge input voltage, connect to AC_DC adapter positive output terminal (DC voltage) 1-μF (minimum) capacitor to AGND1 pin to minimize overvoltage transients during AC power hot-plug events.
ADC_REF 22 I/O ADC internal reference filter or ADC external reference input 4.7-μF (minimum) to 10-μF (maximum) capacitor connected to AGND2 pin
AGND0 16 — Analog ground connection Connect to analog ground plane
AGND1 48 — Analog ground pin Connect to analog ground plane
AGND2 25 — Analog ground pin Connect to analog ground plane
ANLG1 24 I Analog input to ADC, programmable current source output Can be used to monitor additional system or pack parameters
ANLG2 23 I Analog input to ADC, programmable current source output Can be used to monitor additional system or pack parameters
BAT 17 I/O Battery power Connect to battery positive terminal. Connect a 10-μF capacitor (minimum) from BAT pin to AGND1 pin.
18
BLUE 1 O Programmable blue driver, open-drain output, current sink output when active. Connect to BLUE input of RGB LED
DPPM 14 I Dynamic power path management
set-point		 External resistor from DPPM pin to AGND1 pin sets the DPPM regulation threshold. 1-nF (minimum) capacitor to from DPPM to AGND1 sets BAT to OUT short circuit blanking delay when battery is hot-plugged into system
Exposed thermal pad 57 — An internal electrical connection exists between the exposed thermal pad and AGNDn pins of the device. The exposed thermal pad must be connected to the same potential as the AGND1 pin on the printed-circuit-board. Do not use the thermal pad as the primary ground input for the device. AGNDn pins must be connected to a clean ground plane at all times.
FB3 41 I/O White LED duty cycle switch output, LED current setting External resistor from FB3 pin to PGND3 pin sets LED peak current. Connect a 100-pF (minimum) filter capacitor to PGND3 pin.
GPIO1 43 I/O General-purpose programmable I/O Power-up default: SM1 enable control, SM1 ON at GPIO1 = HI.
GPIO2 53 I/O General-purpose programmable I/O Power-up default: SM2 enable control, SM2 ON at GPIO2 = HI.
GPIO3 54 I/O General-purpose programmable I/O. Example: ADC conversion start trigger.
GREEN 56 O Programmable LED driver, open-drain output, current sink output when active. Connect to GREEN input of RGB LED
HOT_RST 15 I/O Hardware reset input, reset generated when connected to ground Connect to an external push-button switch. Connect to external pullup resistor.
INT 19 O Interruption pin, open-drain output Connect 100-kΩ external pullup resistor between INT and OUT INT pin is LO when interrupt is requested by the TPS65810 device.
ISET1 11 I Current set point when charging in auto mode with AC selected. Precharge and charge termination set point for all charge modes External resistor from ISET1 pin to AGND1 pin sets charge current value
L1 46 O SM1 synchronous buck converter
power-stage output		 3.3-μH inductor to SM1 pin
L2 51 O SM2 synchronous buck converter
power-stage output		 3.3-μH inductor to SM2 pin
L3 39 O Drain of the integrated boost power-stage switch 4.7-μH inductor to OUT pin, external Schottky diode to SM3 pin
LDO0 32 O LDO0 output, fixed voltage 1-μF (minimum) capacitor to AGND1
LDO1 37 O LDO1 output 1-μF (minimum) capacitor to AGND1
LDO2 33 O LDO2 output 1-μF (minimum) capacitor to AGND1
LDO3 28 O LDO3 output 2.2-μF (minimum) capacitor to AGND2
LDO35_REF 30 I Linear regulators LDO3-5 reference filter 100-nF capacitor to AGND2
LDO4 27 O LDO4 output 2.2-μF (minimum) capacitor to AGND2
LDO5 26 O LDO5 output 2.2-μF (minimum) capacitor to AGND2
LDO_PM 10 O General-purpose LDO output 1-μF (minimum) capacitor to AGND1 pin
LED_PWM 36 O PWM driver output, open-drain Can be used to drive a keyboard backlight LED
OUT 8 O Power-path output. Connect to system main power rail (system power bus) 10-μF capacitor to AGND1 pin
9
PGND1 45 — SM1 synchronous buck converter power ground Connect to power ground plane
PGND2 52
PGND3 38 — White LED driver power ground input. Connect to a power ground plane
PWM 34 O PWM driver output, open-drain Can be used to drive a vibrator or other external functions
RED 55 O Programmable LED driver, open-drain output, current sink output when active Connect to RED input of RGB LED
RESPWRON 21 O System reset, open-drain output 100-kΩ external pullup resistor to OUT. RESPWRON pin is LO when the TPS65810 device is resetting the system.
RTC_OUT 4 O Low leakage LDO output. Can be connected to a super-capacitor or secondary cell, if used as a RTC backup output. 1-μF (minimum) capacitor to AGND1 pin or supercapacitor
SCLK 2 I I2C interface clock line 2-kΩ pullup resistor to OUT pin
SDAT 3 I/O I2C interface data line 2-kΩ pullup resistor to OUT pin
SIM 5 O General-purpose LDO output 1-μF (minimum) capacitor to AGND1 pin
SM1 44 I SM1 synchronous buck converter output voltage sense LC filter: 10-μF capacitor to PGND1 pin
SM2 49 I SM2 synchronous buck converter output voltage sense LC filter: 10-μF capacitor to PGND2 pin
SM3 42 I White LED driver output overvoltage detection Connect 1-μF capacitor to PGND3 pin. Connect SM3 pin to the positive side of white LED ladder.
SM3SW 40 I Integrated white LED duty cycle switch input Connect to negative side of external LED ladder
SYS_IN 31 I System power bus low-voltage detection External resistive divider sets minimum system operational voltage. The TPS65810 device enters sleep mode when voltage below minimum system voltage threshold is detected. 1-nF filter capacitor to AGND1 recommended.
TMR 13 I Charge safety timer program input External resistor from TMR pin to AGND1 pin sets the charge safety timer time-out value
TRSTPWON 20 I System reset pulse-duration setting 100-nF (minimum) capacitor to AGND. External capacitor from TRSTPWON pin to AGND1 pin sets RESPWRON pulse duration.
TS 12 I/O Temperature sense input, current source output Connect to battery pack thermistor to sense battery pack temperature. Connect to external pullup resistor.
USB 6 I USB charge input voltage, connect to USB port positive power output 1-μF (minimum) capacitor to AGND1 pin, to minimize overvoltage transients during USB power hot-plug events.
VIN_LDO35 29 — Input to LDOs 3 to 5 1-μF (minimum) decoupling capacitor to AGND2
VIN_LDO02 35 — Positive supply input for LDO0, LDO1, LDO2 1-μF (minimum) decoupling capacitor to AGND1
VIN_SM1 47 — SM1 synchronous buck converter positive supply input 10-μF capacitor to PGND1 pin
VIN_SM2 50 — SM2 synchronous buck converter positive supply input 10-μF capacitor to PGND2 pin