SLUSE36L July   2021  – September 2025 BQ77216

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
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 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
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

Package Options

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

5 Pin Configuration and Functions

BQ77216
Table 5-1 24-Lead Pin Functions
NO. NAME TYPE DESCRIPTION (1)
1 NC — Not electrically connected and can be left floating
2 VDD P Power supply
3 V16 I Sense input for positive voltage of the sixteenth cell from the bottom of the stack
4 V15 I Sense input for positive voltage of the fifteenth cell from the bottom of the stack
5 V14 I Sense input for positive voltage of the fourteenth cell from the bottom of the stack
6 V13 I Sense input for positive voltage of the thirteenth cell from the bottom of the stack
7 V12 I Sense input for positive voltage of the twelfth cell from the bottom of the stack
8 V11 I Sense input for positive voltage of the eleventh cell from the bottom of the stack
9 V10 I Sense input for positive voltage of the tenth cell from the bottom of the stack
10 V9 I Sense input for positive voltage of the ninth cell from the bottom of the stack
11 V8 I Sense input for positive voltage of the eighth cell from the bottom of the stack
12 V7 I Sense input for positive voltage of the seventh cell from the bottom of the stack
13 V6 I Sense input for positive voltage of the sixth cell from the bottom of the stack
14 V5 I Sense input for positive voltage of the fifth cell from the bottom of the stack
15 NC — Not electrically connected and can be left floating
16 NC — Not electrically connected and can be left floating
17 V4 I Sense input for positive voltage of the fourth cell from the bottom of the stack
18 V3 I Sense input for positive voltage of the third cell from the bottom of the stack
19 V2 I Sense input for positive voltage of the second cell from the bottom of the stack
20 V1 I Sense input for positive voltage of the lowest cell in the stack
21 VSS P Electrically connected to IC ground and negative terminal of the lowest cell in the stack
22 COUT O Output drive for overvoltage, open wire, undertemperature, and overtemperature. It can be left floating if not used.
23 DOUT O Output drive for undervoltage, open wire, undertemperature, and overtemperature. It can be left floating if not used.
24 TS I Temperature sensor input. If not used, connect it with a 10kΩ resistor to VSS.
(1) I = Input, O = Output, P = Power Connection