SLUSEG7D December   2021  – May 2026 BQ77207

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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 DC Characteristics
    6. 6.6 Timing Requirements
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Voltage Fault Detection
      2. 7.3.2 Open Wire Fault Detection
      3. 7.3.3 Temperature Fault Detection
      4. 7.3.4 Oscillator Health Check
      5. 7.3.5 Sense Positive Input for Vx
      6. 7.3.6 Output Drive, COUT and DOUT
      7. 7.3.7 The LATCH Function
      8. 7.3.8 Supply Input, VDD
    4. 7.4 Device Functional Modes
      1. 7.4.1 NORMAL Mode
      2. 7.4.2 FAULT Mode
      3. 7.4.3 Customer Test Mode
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Design Requirements
      2. 8.1.2 Detailed Design Procedure
        1. 8.1.2.1 Cell Connection Sequence
    2. 8.2 Systems Example
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Third-Party Products Disclaimer
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

5 Pin Configuration and Functions

BQ77207 BQ77207 Pin Diagram Figure 5-1 BQ77207 Pin Diagram
12-Pin Functions
NO. NAME TYPE(1) DESCRIPTION
1 VDD P Power supply
2 V7 I Sense input for positive voltage of the seventh cell from the bottom of the stack
3 V6 I Sense input for positive voltage of the sixth cell from the bottom of the stack
4 V5 I Sense input for positive voltage of the fifth cell from the bottom of the stack
5 V4 I Sense input for positive voltage of the fourth cell from the bottom of the stack
6 V3 I Sense input for positive voltage of the third cell from the bottom of the stack
7 V2 I Sense input for positive voltage of the second cell from the bottom of the stack
8 V1 I Sense input for positive voltage of the first cell from the bottom of the stack
9 VSS P Electrically connected to IC ground and negative terminal of the lowest cell in the stack
10 COUT O Output drive for overvoltage, open wire, and overtemperature. It can be left floating if not used.
11 DOUT O Output drive for undervoltage, open wire, and overtemperature. It can be left floating if not used.
12 TS I Temperature sensor input. If not used, leave it NC.
(1) I = Input, O = Output, P = Power Connection