SLUSF69 May   2024 BQ25186

ADVANCE INFORMATION  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Description (continued)
  6. Pin Configuration and Functions
  7. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics
    5. 6.5 Timing Requirements
  8. Detailed Description
    1. 7.1 Overview
      1. 7.1.1 Battery Charging Process
        1. 7.1.1.1 Trickle Charge
        2. 7.1.1.2 Pre-Charge
        3. 7.1.1.3 Fast Charge
        4. 7.1.1.4 Termination
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Input Voltage Based Dynamic Power Management (VINDPM)
      2. 7.3.2  Dynamic Power Path Management Mode (DPPM)
      3. 7.3.3  Battery Supplement Mode
      4. 7.3.4  Sleep Mode
      5. 7.3.5  SYS Power Control (SYS_MODE bit control)
        1. 7.3.5.1 SYS Pulldown Control
      6. 7.3.6  SYS Regulation
      7. 7.3.7  Input Current Limit (ILIM)
      8. 7.3.8  Protection Mechanisms
        1. 7.3.8.1 Input Overvoltage Protection
        2. 7.3.8.2 Battery Undervoltage Lockout
        3. 7.3.8.3 Battery Overcurrent Protection
        4. 7.3.8.4 System Overvoltage Protection
        5. 7.3.8.5 System Short Protection
        6. 7.3.8.6 Thermal Protection and Thermal Regulation
        7. 7.3.8.7 Safety Timer and Watchdog Timer
      9. 7.3.9  Pushbutton Wake and Reset Input
        1. 7.3.9.1 Pushbutton Wake or Short Button Press Functions
        2. 7.3.9.2 Pushbutton Reset or Long Button Press Functions
      10. 7.3.10 Hardware Reset
      11. 7.3.11 Software Reset
      12. 7.3.12 Interrupt Indicator (/INT) Pin
        1. 7.3.12.1 Interrupt Indicator (/INT) Pin
      13. 7.3.13 Power Good (PG) / General Purpose Output Pin
      14. 7.3.14 External NTC Monitoring (TS)
        1. 7.3.14.1 TS Biasing and Function
      15. 7.3.15 I2C Interface
        1. 7.3.15.1 F/S Mode Protocol
    4. 7.4 Device Functional Modes
    5. 7.5 Register Maps
      1. 7.5.1 I2C Registers
  9. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input (IN/SYS) Capacitors
        2. 8.2.2.2 TS
        3. 8.2.2.3 Recommended Passive Components
  10. Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Third-Party Products Disclaimer
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DLH|10
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Electrical Characteristics

VIN = 5V, VBAT = 3.6V. -40°C < TJ < 125°C unless otherwise noted. Typical data at TJ = 25°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT CURRENTS
IQ_IN Input supply quiescent current VBAT = 3.6V, VIN = 5V, Charge enabled, ICHG = 0mA, SYSREG = 4.5V 0.75 mA
IQ_IN Input supply quiescent current VBAT = 3.6V, VIN = 5V, Charge enabled, ICHG = 0mA, SYSREG = Passthrough 0.660 mA
ISLEEP_IN SLEEP input current VIN = 3.6V, VBAT = 3.7V 30 µA
IQ_BAT Battery quiescent current VIN <VUVLO or floating, Watchdog disabled, Push button disabled, I2C functional. VBAT =3.6V TJ = 25°C 3 µA
IQ_BAT Battery quiescent current VIN <VUVLO or floating, Watchdog disabled, Push button disabled, I2C functional. VBAT =3.6V, 0°C < TJ < 85°C 3 µA
IQ_BAT Battery quiescent current VIN <VUVLO , VBAT =3.6V, Push-button function enabled, 0°C < TJ < 85°C 4 µA
IQ_BAT Battery quiescent current VIN <VUVLO or floating, Watchdog disabled, I2C functional. VBAT <3V, 0°C < TJ < 85°C 2.86 µA
IBAT_SHUTDOWN Battery discharge current in Shutdown Mode VIN = 0V, Shutdown Mode, VBAT = 3.6V, Adapter Sense wake enabled.  15 nA
POWER-PATH MANAGEMENT AND INPUT
VIN_OP Input voltage operating range 3.6 18 V
VIN_UVLOZ Exit IN undervoltage lock-out IN rising V
VIN_UVLO Enter IN undervoltage lock-out IN falling V
VIN_LOWV IN voltage to start charging IN rising 3 V
VIN_LOWVZ IN voltage to stop charging IN falling 2.95 V
VIN_PORZ IN voltage threshold to enter shipmode IN falling 1.3 V
VSLEEP Enter sleep mode threshold IN falling, VIN - VBAT, VBAT = 4V 82 mV
VSLEEPZ Exit sleep mode threshold IN rising, VIN - VBAT, VBAT = 4V 208 mV
IBAT_OCP BATOCP(Reverse OCP only) VBAT = 4V, IBAT_OCP= 00 0.491 A
VBAT = 4V, IBAT_OCP= 01 1.05 A
VBAT = 4V, IBAT_OCP= 10 1.65 A
VBAT = 4V, IBAT_OCP= 11 2.74 3.13 A
ILIM
Input Current Limit VIN = 5V, ILIM =50mA 50 mA
VIN = 5V, ILIM =100mA 90 mA
VIN = 5V, ILIM= 200mA 200 mA
VIN = 5V, ILIM= 300mA 300 mA
VIN = 5V, ILIM= 380mA 380 mA
VIN = 5V, ILIM= 500mA 475 mA
VIN = 5V, ILIM =665mA 665 mA
VIN = 5V, ILIM= 1050mA 1050 mA
VINDPM Input voltage threshold when input current is reduced VINDPM target = VBAT + VINDPM_TRACK VBAT + VINDPM_TRACK V
Input voltage threshold when input current is reduced VINDPM target =4.5V 4.5 V
Input voltage threshold when input current is reduced VINDPM target =4.7V 4.7 V
VSYS_TRACK Voltage regulation threshold for SYS when VBAT >3.6V in battery tracking mode VBAT = 4V, VSYS = VBAT + VSYS_TRACK 225 mV
VSYS_SHORT Voltage threshold for detecting SYS_SHORT condition has occured 200mV hysteresis 1.6 V
BATTERY CHARGER
VREG_RANGE Typical BAT charge voltage regulation range 10mV steps, programmabe through I2C 3.5 4.65 V
VISET ISET pin voltage when in regulation IBAT = ICHG 1 V
KISET Charge current setting factor, ICHG = KISET / RISET 10mA < ICHG < 1000mA, NVM_ICHG_1TO200MA = 1b0 300
VLOWV Pre-charge to fast-charge transition threshold VLOWVSEL = 3.0V, VBAT rising 3 V
VLOWV Pre-charge to fast-charge transition threshold VLOWVSEL = 2.8V, VBAT rising  2.8 V
VLOWV Pre-charge to fast-charge transition threshold VBAT rising, LiFEPO4 Spin 2.0 V
VLOWV_HYS Battery LOWV hysteresis All settings 100 mV
VBUVLO Battery UVLO, VBAT falling BUVLO setting = b000 3 V
Battery UVLO, VBAT falling BUVLO setting = b011 2.8 V
Battery UVLO, VBAT falling BUVLO setting = b100 2.6 V
Battery UVLO, VBAT falling BUVLO setting = b101 2.4 V
Battery UVLO, VBAT falling BUVLO setting = b110 2.2 V
Battery UVLO, VBAT falling BUVLO setting = b111 2.0 V
VBUVLO_HYS Battery UVLO hysteresis, VBAT rising Any BUVLO Setting, value above VBAT, VIN = 5V 150 mV
VBUVLO_HYS Battery UVLO hysteresis, VBAT rising Any BUVLO Setting, value above VBAT, VIN = 0V  150 mV
VRCH BAT falling, VRCH bit = 0  100 mV
BAT falling, VRCH bit = 1 200 mV
RISET_SHORT Resistor value considered short RISET below this range at startup, charger does not initiate charge, power cycle or /CE toggle to reset 264 Ω
TERMPERATURE REGULATION AND TEMPERATURE SHUTDOWN
TREG Typical junction temperature regulation THERM_REG = 00 100 °C
TREG Typical junction temperature regulation THERM_REG = 01 80 °C
TREG Typical junction temperature regulation THERM_REG = 10 60 °C
TREG Typical junction temperature regulation THERM_REG = 11 Disabled
BATTERY NTC MONITOR
VT1_Entry Cold - 00 @ Approx. 0°C, default VIN = 5V 1.0075 V
VT2_Entry Cold - 01 @ Approx. 3°C VIN = 5V 0.8900 V
VT3_Entry Cold - 10 @ Approx. 5°C VIN = 5V 0.8200 V
VT4_Entry Cold - 11 @ Approx. -3°C VIN = 5V 1.1425 V
VT5_Entry Cool - 00 @ Approx. 10°C, default VIN = 5V 0.6700 V
VT6_Entry Warm - 00 @ Approx. 45°C, default VIN = 5V 0.1850 V
VT7_Entry Hot - 00 @ Approx. 60°C, default VIN = 5V 0.1150 V
VT8_Entry Hot - 01 @ Approx. 65°C VIN = 5V 0.0975 V
VT9_Entry Hot - 10 @ Approx. 50°C VIN = 5V 0.1575 V
VT10_Entry Hot - 11 @ Approx. 45°C VIN = 5V 0.1850 V
VT1_Exit Cold - 00 @ Approx. 5°C, default VIN = 5V 0.8200 V
VT2_Exit Cold - 01 @ Approx. 8°C VIN = 5V 0.7250 V
VT3_Exit Cold - 10 @ Approx. 10°C VIN = 5V 0.6700 V
VT4_Exit Cold - 11 @ Approx. 2°C VIN = 5V 0.9275 V
VT5_Exit Cool - 00 @ Approx. 15°C, default VIN = 5V 0.5500 V
VT6_Exit Warm - 00 @ Approx. 41°C, default VIN = 5V 0.2200 V
VT7_Exit Hot - 00 @ Approx. 55°C, default VIN = 5V 0.1350 V
VT8_Exit Hot - 01 @ Approx. 60°C VIN = 5V 0.1150 V
VT9_Exit Hot - 10 @ Approx. 45°C VIN = 5V 0.1850 V
VT10_Exit Hot - 11 @ Approx. 40°C VIN = 5V 0.2200 V
PUSH BUTTON TIMERS AND THRESHOLDS
tWAKE1 WAKE1 Timer. Time from TSMR low detection MR_WAKE1_TIMER = 0 300 ms
MR_WAKE1_TIMER = 1 1 s
tWAKE2 WAKE2 Timer. Time from TSMR low detection MR_WAKE2_TIMER = 0 2 s
MR_WAKE2_TIMER = 1 3 s
tRESET_WARN RESET_WARN Timer. Time prior to HW RESET MR_RESET_WARN = 0 1 s
tLPRESS Long Press timer. Time from button press detection to long press action.  MR_LPRESS = 00 5 s
MR_LPRESS = 01 10 s
MR_LPRESS = 10 15 s
MR_LPRESS = 11 20 s
tRESTART(AUTOWAKE) RESTART Timer. Time from HW Reset to SYS power up AUTOWAKE = 00 0.5 s
AUTOWAKE = 01 1 s
AUTOWAKE = 10 2 s
AUTOWAKE = 11 4 s
BATTERY CHARGING TIMERS
tMAXCHG Charge safety timer Programmable range 180 720 min
I2C INTERFACE
Isink /PG pin current sink capability (QFN) VBAT = 4V 20 mA
VIL Input low threshold level VPULLUP = 1.8V, SDA and SCL 0.4 V
VIH Input high threshold level VPULLUP = 1.8V, SDA and SCL 1 V
VOL Output low threshold level IL = 5mA, sink current, VPULLUP =1.8V 0.4 V
ILKG High-Level leakage current VPULLUP = 1.8V 1 µA
LOGIC PINS
ILKG High-Level leakage current VPULLUP = 3.3V, STAT1, STAT2, /PG, /INT pins  1 µA