SLUS900E December   2008  – August 2015

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 I2C 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 IRQ Function
      2. 7.3.2 VBACK Switchover
      3. 7.3.3 Trickle Charge
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 I2C Serial Interface
    6. 7.6 Register Maps
      1. 7.6.1 I2C Read After Backup Mode
      2. 7.6.2 Normal Register Descriptions
        1. 7.6.2.1  SECONDS Register (address = 0x00) [reset = 0XXXXXXb]
        2. 7.6.2.2  MINUTES Register (address = 0x01) [reset = 1XXXXXXb]
        3. 7.6.2.3  CENT_HOURS Register (address = 0x02) [reset = XXXXXXXXb]
        4. 7.6.2.4  DAY Register (address = 0x03) [reset = 00000XXXb]
        5. 7.6.2.5  DATE Register (address = 0x04) [reset = 00XXXXXXb]
        6. 7.6.2.6  MONTH Register (address = 0x05) [reset = 000XXXXXb]
        7. 7.6.2.7  YEARS Register (address = 0x06) [reset = XXXXXXXXb]
        8. 7.6.2.8  CAL_CFG1 Register (address = 0x07) [reset = 10000000b]
        9. 7.6.2.9  TCH2 Register (address = 0x08) [reset = 10010000b]
        10. 7.6.2.10 CFG2 Register (address = 0x09) [reset = 10101010b]
      3. 7.6.3 Special Function Registers
        1. 7.6.3.1 SF KEY 1 Register (address = 0x20) [reset = 00000000b]
        2. 7.6.3.2 SF KEY 2 Register (address = 0x21) [reset = 00000000b]
        3. 7.6.3.3 SFR Register (address = 0x22) [reset = 00000000b]
  8. 8 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 Reading From a Register
        2. 8.2.2.2 Leap Year Compensation
        3. 8.2.2.3 Utilizing the Backup Supply
      3. 8.2.3 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 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

5 Pin Configuration and Functions

D Package
8-Pin SOIC
Top View
bq32000 pinout_d8_lus900.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
POWER AND GROUND
GND 4 - Ground
VBACK 3 - Backup device power
VCC 8 - Main device power
SERIAL INTERFACE
SCL 6 I I2C serial interface clock
SDA 5 I/O I2C serial data
INTERRUPT
IRQ 7 O Configurable interrupt output. Open-drain output.
OSCILLATOR
OSCI 1 - Oscillator input
OSCO 2 - Oscillator output
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