SLUSAW5B January   2012  – December 2014

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (Continued)
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Device Power Up
        1. 9.3.1.1 Power-On-Reset (POR)
        2. 9.3.1.2 Power Up from Battery without DC Source
          1. 9.3.1.2.1 BATFET Turn Off
          2. 9.3.1.2.2 Shipping Mode
        3. 9.3.1.3 Power Up from DC Source
          1. 9.3.1.3.1 REGN LDO
          2. 9.3.1.3.2 Input Source Qualification
          3. 9.3.1.3.3 Input Current Limit Detection
          4. 9.3.1.3.4 D+/D- Detection Sets Input Current Limit in bq24190
          5. 9.3.1.3.5 PSEL/OTG Pins Set Input Current Limit in bq24192, bq24192I
          6. 9.3.1.3.6 HIZ State wth 100mA USB Host
          7. 9.3.1.3.7 Force Input Current Limit Detection
        4. 9.3.1.4 Converter Power-Up
        5. 9.3.1.5 Boost Mode Operation from Battery
      2. 9.3.2 Power Path Management
        1. 9.3.2.1 Narrow VDC Architecture
        2. 9.3.2.2 Dynamic Power Management
        3. 9.3.2.3 Supplement Mode
      3. 9.3.3 Battery Charging Management
        1. 9.3.3.1 Autonomous Charging Cycle
        2. 9.3.3.2 Battery Charging Profile
        3. 9.3.3.3 Battery Path Impedance IR Compensation
        4. 9.3.3.4 Thermistor Qualification
          1. 9.3.3.4.1 Cold/Hot Temperature Window
        5. 9.3.3.5 Charging Termination
          1. 9.3.3.5.1 Termination when REG02[0] = 1
          2. 9.3.3.5.2 Termination when REG05[6] = 1
        6. 9.3.3.6 Charging Safety Timer
        7. 9.3.3.7 USB Timer when Charging from USB100mA Source
      4. 9.3.4 Status Outputs (PG, STAT, and INT)
        1. 9.3.4.1 Power Good Indicator (PG)
        2. 9.3.4.2 Charging Status Indicator (STAT)
        3. 9.3.4.3 Interrupt to Host (INT)
      5. 9.3.5 Protections
        1. 9.3.5.1 Input Current Limit on ILIM
        2. 9.3.5.2 Thermal Regulation and Thermal Shutdown
        3. 9.3.5.3 Voltage and Current Monitoring in Buck Mode
          1. 9.3.5.3.1 Input Over-Voltage (ACOV)
          2. 9.3.5.3.2 System Over-Voltage Protection (SYSOVP)
        4. 9.3.5.4 Voltage and Current Monitoring in Boost Mode
          1. 9.3.5.4.1 VBUS Over-Voltage Protection
        5. 9.3.5.5 Battery Protection
          1. 9.3.5.5.1 Battery Over-Current Protection (BATOVP)
          2. 9.3.5.5.2 Charging During Battery Short Protection
          3. 9.3.5.5.3 System Over-Current Protection
      6. 9.3.6 Serial Interface
        1. 9.3.6.1 Data Validity
        2. 9.3.6.2 START and STOP Conditions
        3. 9.3.6.3 Byte Format
        4. 9.3.6.4 Acknowledge (ACK) and Not Acknowledge (NACK)
        5. 9.3.6.5 Slave Address and Data Direction Bit
          1. 9.3.6.5.1 Single Read and Write
          2. 9.3.6.5.2 Multi-Read and Multi-Write
    4. 9.4 Device Functional Modes
      1. 9.4.1 Host Mode and Default Mode
        1. 9.4.1.1 Plug in USB100mA Source with Good Battery
        2. 9.4.1.2 USB Timer when Charging from USB 100-mA Source
    5. 9.5 Register Map
      1. 9.5.1 I2C Registers
        1. 9.5.1.1  Input Source Control Register REG00 (bq24190, bq24192 reset = 00110000, or 30; bq24192I reset = 00111000, or 38)
        2. 9.5.1.2  Power-On Configuration Register REG01 (reset = 00011011, or 1B)
        3. 9.5.1.3  Charge Current Control Register REG02 (bq24190, bq24192 reset = 01100000, or 60; bq24192I reset = 00100000, or 20)
        4. 9.5.1.4  Pre-Charge/Termination Current Control Register REG03 (reset = 00010001, or 11)
        5. 9.5.1.5  Charge Voltage Control Register REG04 (bq24190, bq241192 reset = 10110010, or B2; bq24192I reset = 10011010, or 9A)
        6. 9.5.1.6  Charge Termination/Timer Control Register REG05 (reset = 10011010, or 9A)
        7. 9.5.1.7  IR Compensation / Thermal Regulation Control Register REG06 (reset = 00000011, or 03)
        8. 9.5.1.8  Misc Operation Control Register REG07 (reset = 01001011, or 4B)
        9. 9.5.1.9  System Status Register REG08
        10. 9.5.1.10 Fault Register REG09
        11. 9.5.1.11 Vender / Part / Revision Status Register REG0A (bq24190 reset = 00100011, or 23; bq24192 reset = 00101011, or 2B; bq24192I reset = 00001011, or 0B)
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Inductor Selection
        2. 10.2.2.2 Input Capacitor
        3. 10.2.2.3 Output Capacitor
      3. 10.2.3 Application Performance Plots
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Related Links
    3. 13.3 Trademarks
    4. 13.4 Electrostatic Discharge Caution
    5. 13.5 Glossary
  14. 14Mechanical, 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

1 Features

  • High Efficiency 4.5-A Switch Mode Charger
    • 92% Charge Efficiency at 2 A, 90% at 4 A
    • Accelerate Charge Time by Battery Path Impedance Compensation
  • Compatible with MaxLife Technology for Faster Charging When Used in Conjunction With bq27531
  • Highest Battery Discharge Efficiency with 12-mΩ Battery Discharge MOSFET up to 9-A Discharge Current
  • Single Input USB-compliant/Adapter Charger
    • USB Host or Charging Port D+/D- Detection Compatible to USB Battery Charger Spec 1.2
    • Input Voltage and Current Limit Supports USB2.0 and USB3.0
    • Input Current Limit: 100 mA, 150 mA, 500 mA, 900 mA, 1.2 A, 1.5 A, 2 A and 3 A
  • 3.9-V to 17-V Input Operating Voltage Range
    • Support All Kinds of Adapter with Input Voltage DPM Regulation
  • USB OTG 5 V at 1.3-A Synchronous Boost Converter Operation
    • 93% 5-V Boost Efficiency at 1 A
  • Narrow VDC (NVDC) Power Path Management
    • Instant-on Works with No Battery or Deeply Discharged Battery
    • Ideal Diode Operation in Battery Supplement Mode
  • 1.5-MHz Switching Frequency for Low Profile Inductor
  • Autonomous Battery Charging with or without Host Management
    • Battery Charge Enable
    • Battery Charge Preconditioning
    • Charge Termination and Recharge
  • High Accuracy (0°C to 125°C)
    • ±0.5% Charge Voltage Regulation
    • ±7% Charge Current Regulation
    • ±7.5% Input Current Regulation
    • ±2% Output Regulation in Boost Mode
  • High Integration
    • Power Path Management
    • Synchronous Switching MOSFETs
    • Integrated Current Sensing
    • Bootstrap Diode
    • Internal Loop Compensation
  • Safety
    • Battery Temperature Sensing and Charging Safety Timer
    • Thermal Regulation and Thermal Shutdown
    • Input System Over-Voltage Protection
    • MOSFET Over-Current Protection
  • Charge Status Outputs for LED or Host Processor
  • Low Battery Leakage Current and Support Shipping Mode
  • 4.00 mm x 4.00 mm VQFN-24 Package

2 Applications

  • Tablet PC and Smart Phone
  • Portable Audio Speaker
  • Portable Media Players
  • Internet Devices

3 Description

The bq24190, bq24192, and bq24192I are highly-integrated switch-mode battery charge management and system power path management devices for single cell Li-Ion and Li-polymer battery in a wide range of tablet and other portable devices.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
bq24190 VQFN (24) 4.00 mm x 4.00 mm
bq24192
bq24192I
  1. For all available packages, see the orderable addendum at the end of the datasheet.
Bq24190_with_D_D_Detection_charging_from_USB_SDP_DCP_SLUSAW5A.gif

4 Revision History

Changes from A Revision (October 2012) to B Revision

  • Aligned package description throughout datasheetGo
  • Added ESD Ratings, Feature Description, Device Functional Modes, Application and Implementation, Power Supply Recommendations, Layout, Device and Documentation Support, Mechanical, Packaging, Orderable Information. Go
  • Added Feature: Compatible with MaxLife Technology for Faster Charging When Used in Conjunction With bq27531Go
  • Changed VSLEEPZ, VBAT_DPL_HY, VBATGD , ICHG_20pct, VSHORT, IADPT_DPM, KILIM, VBTST_REFRESH in Electrical CharacteristicsGo
  • Added –40°C to 85° to IBAT Test ConditionGo
  • Added REG00[6:3] = 0110 (4.36 V) or 1011 (4.76 V) to VINDPM_REG_ACC Test ConditionsGo
  • Added Typical input current of 1.5 A based on KLIM to IADPT_DPM Test ConditionsGo
  • Added a MIN value of 435 to KILIMGo
  • Deleted TJunction_REG MIN and MAXGo
  • Added rising to VHTF parameter Go
  • Deleted VREGN, VVBUS = 5 V, IREGN = 20 mA MAX valueGo
  • Changed Functional Block DiagramGo
  • Changed Charging Current in Table 4Go
  • Changed REG09[5:4] to REG08[5:4] in Charging Termination sectionGo
  • Added or when FORCE_20PCT (REG02[0]) bit is set, to Charging Safety Timer descriptionGo
  • Added last paragraph to Charging Safety Timer descriptionGo
  • Added twice to Host Mode and Default Mode descriptionGo
  • Changed REG05[5:4]=11 to REG05[5:4]=00 in Host Mode and Default Mode descriptionGo
  • Changed Charge Current Control Register REG02 Bit 0 descriptionGo
  • Changed Charge Current Control Register REG02 Bit 0 noteGo
  • Changed REG05 Bit 0 from JEITA ISET (0°C-10°C) to ReservedGo
  • Changed REG07 Bit 4 from JEITA_VSET (45°C to 60°C) to ReservedGo
  • Changed BOOT to BTST in Figure 38Go
  • Changed BOOT to BTST in Figure 39Go
  • Changed bq24193 to bq24192 in Figure 42Go
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