JAJSKQ7 October   2021 BQ25170J

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Device Power Up from Input Source
        1. 7.3.1.1 ISET Pin Detection
        2. 7.3.1.2 VSET Pin Detection
        3. 7.3.1.3 Charger Power Up
      2. 7.3.2 Battery Charging Features
        1. 7.3.2.1 Lithium-Ion Battery Charging Profile
        2. 7.3.2.2 Charge Termination and Battery Recharge
        3. 7.3.2.3 Charging Safety Timers
        4. 7.3.2.4 Battery Temperature Qualification (TS Pin)
      3. 7.3.3 Status Outputs ( PG, STAT)
        1. 7.3.3.1 Power Good Indicator (PG Pin)
        2. 7.3.3.2 Charging Status Indicator (STAT)
      4. 7.3.4 Protection Features
        1. 7.3.4.1 Input Overvoltage Protection (VIN OVP)
        2. 7.3.4.2 Output Overvoltage Protection (BAT OVP)
        3. 7.3.4.3 Output Overcurrent Protection (BAT OCP)
        4. 7.3.4.4 Thermal Regulation and Thermal Shutdown (TREG and TSHUT)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown or Undervoltage Lockout (UVLO)
      2. 7.4.2 Sleep Mode
      3. 7.4.3 Active Mode
        1. 7.4.3.1 Standby Mode
      4. 7.4.4 Fault Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Li-Ion Charger Design Example
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 サポート・リソース
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

6.5 Electrical Characteristics

3.0V < VIN < VIN_OV and VIN > VOUT + VSLEEP, TJ = -40°C to +125°C, and TJ = 25°C for typical values (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
QUIESCENT CURRENTS
IQ_OUTQuiescent output current (OUT)OUT= 4.2V, IN floating or IN = 0V - 5V, Charge Disabled, TJ = 25 °C0.3500.6µA
OUT= 4.2V, IN floating or IN = 0V - 5V, Charge Disabled, TJ < 105 °C0.3500.8µA
ISD_IN_TSShutdown input current (IN) with charge disabled via TS pinIN = 5V, Charge Disabled (VTS < VTS_ENZ), no battery80110µA
ISTANDBY_INStandby input current (IN) with charge terminatedIN = 5V, Charge Enabled, charge terminated190µA
IQ_INQuiescent input current (IN)IN = 5V, OUT = 3.8V, Charge Enabled, ICHG = 0A0.450.6mA
INPUT
VIN_OPIN operating range3.06.6V
VIN_LOWVIN voltage to start chargingIN rising3.053.093.15V
VIN_LOWVIN voltage to stop chargingIN falling2.802.953.10V
VSLEEPZExit sleep mode thresholdIN rising, VIN - VOUT, OUT = 4V95135175mV
VSLEEPSleep mode threshold hysteresisIN falling, VIN - VOUT, OUT = 4V80mV
VIN_OVVIN overvoltage rising threshold IN rising6.606.756.90V
VIN_OVZVIN overvoltage falling thresholdIN falling6.63V
CONFIGURATION PINS SHORT/OPEN PROTECTION
RISET_SHORTHighest resistor value considered shortRISET below this at startup, charger does not initiate charge, power cycle or TS toggle to reset350Ω
RVSET_SHORTHighest resistor value considered shortRVSET below this at startup, charger does not initiate charge, power cycle or TS toggle to reset2.8kΩ
RVSET_OPENLowest resistor value considered openRVSET above this at startup, charger does not initiate charge, power cycle or TS toggle to reset120kΩ
BATTERY CHARGER
VDODropout voltage (VIN - VOUT)VIN falling, VOUT = 4.35V, IOUT = 500mA425mV
VREG_ACCOUT charge voltage regulation accuracyTj = 25℃, all VSET settings–0.50.5%
Tj = -40℃ to 125℃, all VSET settings–0.80.8%
ICHG_RANGETypical charge current regulation rangeVOUT > VBAT_LOWV10800mA
KISETCharge current setting factor, ICHG = KISET / RISET10mA < ICHG < 800mA270300330AΩ
ICHG_ACCCharge current accuracyRISET = 375Ω, OUT = 3.8V720800880mA
RISET = 600Ω, OUT = 3.8V450500550mA
RISET = 3.0kΩ, OUT = 3.8V90100110mA
RISET = 30kΩ, OUT = 3.8V91011mA
IPRECHGTypical pre-charge current, as percentage of ICHGVOUT < VBAT_LOWV20%
IPRECHG_ACCPrecharge current accuracyRISET = 375Ω, OUT = 2.5V144160176mA
RISET = 600Ω, OUT = 2.5V85100110mA
RISET = 3.0kΩ, OUT = 2.5V182022mA
RISET = 30kΩ, OUT = 2.5V1.422.6mA
ITERMTypical termination current, as percentage of ICHGVOUT = VREG10%
ITERM_ACCTermination current accuracyRISET = 600Ω, OUT = VREG = 4.2V455055mA
RISET = 3.0kΩ, OUT = VREG = 4.2V8.51011.5mA
RISET =30kΩ, OUT = VREG = 4.2V0.411.6mA
VBAT_SHORTOutput (OUT) short circuit voltage rising threshold, for Li-Ion chemistryOUT rising, VSET configured for Li-Ion2.12.22.3V
VBAT_SHORTOutput (OUT) short circuit voltage rising threshold, for LiFePO4 chemistryOUT rising, VSET configured for LiFePO41.11.21.3V
VBAT_SHORT_HYSOutput (OUT) short circuit voltage hysteresisOUT falling200mV
IBAT_SHORTOUT short circuit charging currentVOUT < VBAT_SHORT121620mA
VBAT_LOWVPre-charge to fast-charge transition threshold, for Li-Ion chemistryOUT rising, VSET configured for Li-Ion2.72.83.0V
VBAT_LOWVPre-charge to fast-charge transition threshold for Li-FePO4 chemistryOUT rising, VSET configured for LiFePO41.92.02.1V
VBAT_LOWV_HYSBattery LOWV hysteresisOUT falling100mV
VRECHGBattery recharge threshold for Li-Ion chemistryOUT falling, VSET configured for Li-IonVREG_ACC - VOUT75100125mV
VRECHGBattery recharge threshold for LiFePO4 chemistryOUT falling, VSET configured for LiFePO4, VREG_ACC - VOUT175200225mV
RONCharging path FET on-resistanceIOUT = 400mA, TJ = 25°C8451000mΩ
IOUT = 400mA, TJ = -40 - 125°C8451450mΩ
BATTERY CHARGER PROTECTION
VOUT_OVPOUT overvoltage rising thresholdVOUT rising, as percentage of VSET103104105%
VOUT_OVPOUT overvoltage falling thresholdVOUT falling, as percentage of VSET101102103%
IOUT_OCPOutput current limit thresholdIOUT rising0.911.1A
TEMPERATURE REGULATION AND TEMPERATURE SHUTDOWN
TREGTypical junction temperature regulation125°C
TSHUTThermal shutdown rising thresholdTemperature increasing150°C
Thermal shutdown falling thresholdTemperature decreasing135°C
BATTERY-PACK NTC MONITOR
ITS_BIASTS nominal bias current36.53839.5µA
VCOLDCool to cold temperature theshold; Charge disabledTS rising (approx. 0°C)0.991.041.09V
Cold to cool temperature threshold; Charge current target increased to 20% x ISETTS falling (approx. 4°C)0.830.880.93V
VCOOLNormal to cool temperature threshold; Charge current target reduced to 20% x ISETTS rising (approx. 10°C)650680710mV
Cool to normal temperature threshold; Charge current target increased to ISETTS falling (approx. 13°C)580610640mV
VWARMNormal to warm temperature threshold; Charge current target reduced to 50% x ISET; VREG reduced to 4.1V for VSET = 4.2 V, 4.35 V, 4.4 VTS falling (approx. 45°C)176188200mV
Warm to normal temperature threshold; Charge current target increased to ISET; VREG increased to VSET for VSET = 4.2 V, 4.35 V, 4.4 VTS rising (approx. 40°C)208220232mV
VHOTWarm to hot temperature threshold; charge disabledTS falling (approx. 55°C)125135145mV
Hot to warm temperature threshold; Charge current target increased to 50% x ISET; VREG set to 4.1V for VSET = 4.2 V, 4.35 V, 4.4 VTS rising (approx. 51°C)148158168mV
VTS_ENZCharger shutdown threshold; IC enters shutdown modeTS falling405060mV
VTS_ENCharge enable threshold; Crossing this threshold restarts IC operationTS rising657585mV
VTS_CLAMPTS maximum voltage clampTS open-circuit (float)2.32.62.9V
ITS_LEAKTS pin high-level leakagePull-up rail 1.8V1µA
LOGIC OUTPUT PIN (STAT, PG)
VOLOutput low threshold levelSink current = 5mA0.4V
IOUT_BIASHigh-level leakage currentPull up rail 3.3V1µA