SLUSBB3E December   2013  – January 2016

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configurations 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  Supply Current
    6. 7.6  Digital Input and Output DC Characteristics
    7. 7.7  LDO Regulator, Wake-up, and Auto-Shutdown DC Characteristics
    8. 7.8  ADC (Temperature and Cell Measurement) Characteristics
    9. 7.9  I2C-Compatible Interface Communication Timing Characteristics
    10. 7.10 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
      1. 8.4.1 Data Commands
        1. 8.4.1.1 Standard Data Commands
        2. 8.4.1.2 Control(): 0x00 and 0x01
      2. 8.4.2 Alternate Chemistry Selection
      3. 8.4.3 Communications
        1. 8.4.3.1 I2C Interface
        2. 8.4.3.2 I2C Time Out
        3. 8.4.3.3 I2C Command Waiting Time
        4. 8.4.3.4 I2C Clock Stretching
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 BAT Voltage Sense Input
        2. 9.2.2.2 Integrated LDO Capacitor
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power Supply Decoupling
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Community Resources
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • YZF|9
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Device Comparison Table

PART NUMBER BATTERY
TYPE 		CHEM_ID
(1)		 FIRMWARE
VERSION (2)		 PACKAGE
(3)		 COMMUNICATION
FORMAT
bq27621YZFR-G1 LiCoO2
(4.2 V maximum charge)		 0x1202 1.05
(0x0105)		 CSP-9 I2C
LiCoO2
(4.3 V maximum charge)		 0x1210
LiCoO2
(4.35 V maximum charge)		 0x354
(1) See the CHEM_ID subcommand to confirm the battery chemistry type. See Alternate Chemistry Selection to select different chemistries.
(2) See the FW_VERSION subcommand to confirm the firmware version.
(3) For the most current package and ordering information see the Package Option Addendum at the end of this document; or, see the TI website at www.ti.com.