SLUSDJ8A April   2020  – April 2021 BQ25170

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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 Cold, Hot 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
          1. 8.2.1.2.1 TS Function
        3. 8.2.1.3 Application Curves
      2. 8.2.2 LiFePO4 Charger Design Example
        1. 8.2.2.1 Design Requirements
  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 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.7 Typical Characteristics

CIN = 1 µF, COUT = 1 µF, VIN = 5 V, VOUT = 3.8 V (unless otherwise specified)

GUID-20201012-CA0I-PM1M-VLC9-D2BWK32S9PWK-low.svg
IOUT = 10 mA VOUT = 4.2 V
Figure 6-1 Line Regulation
GUID-20201012-CA0I-5RPG-XS88-STKGMXF49M06-low.svg
VIN = 5 V Temp = 25ºC
Figure 6-3 ICHG Accuracy vs. VOUT
GUID-20201012-CA0I-PV6Z-3VNN-0WRF9WCVWFBX-low.svg
IOUT = 10 mA
Figure 6-5 VSET Accuracy vs. Temperature
GUID-20201012-CA0I-RSST-QTRS-QMD88HBS074S-low.svg
TS Pin = LOW VOUT = 0 V
Figure 6-7 Input Shutdown Current vs. Input Voltage
GUID-20210208-CA0I-PLP2-8QXK-XDJLCDKL9BTN-low.svg
VIN = 0 V
Figure 6-9 Output Quiescent Current vs. Output Voltage
GUID-20201012-CA0I-BLHT-NHB8-MXJGWCPC8FGX-low.svg
VIN = 5 V VOUT = 4.2 V
Figure 6-2 Load Regulation
GUID-20201012-CA0I-ZJFQ-LT9J-VLXBW8LMD9B7-low.svg
VIN = 5 V VOUT = 3.8 V
Figure 6-4 ICHG Accuracy vs. Temperature
GUID-20201012-CA0I-DQ0D-Q6XV-QQ7NDD8DD1WJ-low.svgFigure 6-6 Dropout Voltage vs. Output Current
GUID-20210208-CA0I-9H4X-VCLP-8J00R7QTMGCB-low.svg
ICHG = 0 A VOUT = 0 V
Figure 6-8 Input Quiescent Current vs. Input Voltage
GUID-20210409-CA0I-MCFC-W2LR-L2SST2CFX8RQ-low.svg
VOUT = 4.35 V
Figure 6-10 Termination Current Accuracy vs. Termination Current Setting