Texas Instruments BQ77307 Protection Manuals

Manuals and User Guides for Texas Instruments BQ77307 Protection. We have 2 Texas Instruments BQ77307 Protection manuals available for free PDF download: Technical Reference Manual, Instruction Manual

Texas Instruments BQ77307 Technical Reference Manual (83 pages)

Brand: Texas Instruments | Category: Computer Hardware | Size: 0.96 MB

Table of Contents
3
Read this First

5
- About this Manual
  5
- Battery Notational Conventions
  5
- Trademarks
  5
- Glossary
  5
1 Introduction

7
2 Device Description

9
- Overview
  9
- Functional Block Diagram
  9
3 Device Configuration

11
- Direct Commands and Subcommands
  11
- Configuration Using OTP or Registers
  12
- Data Formats
  13
  - Unsigned Integer
    13
  - Integer
    13
  - Hex
    13
4 Device Security

15
5 Protection Subsystem

17
6 Device Status and Controls

33
- 0X00 Control Status() and 0X12 Battery Status() Commands
  33
- Unused VC Cell Input Pins
  34
- Ldos
  35
- ALERT Pin Operation
  36
- TS Pin Operation
  37
- Device Event Timing
  37
7 Operational Modes

39
- Overview of Operational Modes
  39
- NORMAL Mode
  39
- SHUTDOWN Mode
  40
- CONFIG_UPDATE Mode
  40
100 C Serial Communications

43
- I 2 C Serial Communications Interface
  43
9 Commands and Subcommands

45
- Direct Commands
  45
- Bit Field Definitions for Direct Commands
  45
  - Safety Alert a Register
    45
  - Safety Status a Register
    46
  - Safety Alert B Register
    47
  - Safety Status B Register
    47
  - Battery Status Register
    48
  - Alarm Status Register
    49
  - Alarm Raw Status Register
    51
  - Alarm Enable Register
    52
  - FET CONTROL Register
    53
  - REGOUT CONTROL Register
    53
- Command-Only Subcommands
  54
- Subcommands with Data
  54
- Bitfield Definitions for Subcommands
  55
  - DEVICE NUMBER Register
    55
  - FW VERSION Register
    55
  - HW VERSION Register
    56
  - SECURITY KEYS Register
    56
  - PROT RECOVERY Register
    57
10 Data Memory

59
- Settings
  59
  - Settings:configuration
    59
  - Settings:protection
    65
- Protections
  68
  - Protections:cell Voltage
    68
  - Protections:current
    70
  - Protections:temperature
    73
- Power
  76
  - Power:configuration
    76
  - Power:shutdown
    77
- Security
  77
  - Security:settings
    77
  - Data Memory Summary
    79
11 Revision History

81

Texas Instruments BQ77307 Instruction Manual (50 pages)

2-Series to 7-Series High Accuracy Battery Primary or Secondary Protector for Li-Ion, Li-Polymer, LiFePO4 (LFP), and LTO Battery Packs

Brand: Texas Instruments | Category: Computer Hardware | Size: 2.83 MB

1 Features

1
2 Applications

1
3 Description

1
- Table of Contents
  2
4 Device Comparison Table

3
5 Pin Configuration and Functions

3
6 Specifications

5
- Absolute Maximum Ratings
  5
- ESD Ratings
  5
- Recommended Operating Conditions
  6
- Thermal Information BQ77307
  6
- Supply Current
  7
- Digital I/O
  7
- Regout Ldo
  7
- Voltage References
  8
- Current Detector
  8
- Thermistor Pullup Resistor
  11
- Hardware Overtemperature Detector
  11
- Internal Oscillator
  11
- Charge and Discharge FET Drivers
  11
- Protection Subsystem
  12
- Timing Requirements - I
  14
  - Mode
    14
- Timing Requirements - I
  15
  - Mode
    15
- Timing Diagram
  15
- Typical Characteristics
  16
7 Detailed Description

18
- Overview
  18
- Functional Block Diagram
  18
- Device Configuration
  18
- Device Hardware Features
  19
  - Voltage Protection Subsystem
    19
  - Current Protection Subsystem
    19
  - Unused VC Pins
    19
  - Internal Temperature Protection
    20
  - Thermistor Temperature Protections
    20
  - Protection FET Drivers
    21
  - Voltage References
    21
  - Multiplexer
    21
  - Ldos
    21
  - Standalone Versus Host Interface
    22
  - ALERT Pin Operation
    22
  - Low Frequency Oscillator
    22
  - I 2 C Serial Communications Interface
    23
- Protection Subsystem
  24
  - Protections Overview
    24
  - Primary Protections
    24
  - Cell Open Wire Protection
    25
  - Diagnostic Checks
    25
- Device Power Modes
  26
  - Overview of Power Modes
    26
  - NORMAL Mode
    27
  - SHUTDOWN Mode
    27
  - CONFIG_UPDATE Mode
    27
8 Application and Implementation

28
- Application Information
  28
- Typical Application
  28
  - Design Requirements
    31
  - Detailed Design Procedure
    31
  - Application Performance Plot
    32
  - Random Cell Connection Support
    33
  - Startup Timing
    34
  - FET Driver Turn-Off
    34
  - Usage of Unused Pins
    37
9 Power Supply Recommendations

38
10 Layout

39
- Layout Guidelines
  39
- Layout Example
  39
11 Device and Documentation Support

41
- Documentation Support
  41
  - Related Documentation
    41
- Receiving Notification of Documentation Updates
  41
- Support Resources
  41
- Trademarks
  41
- Electrostatic Discharge Caution
  41
- Glossary
  41
12 Revision History

41
13 Mechanical, Packaging, and Orderable Information

42

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Texas Instruments BQ77307 Protection Manuals

Texas Instruments BQ77307 Technical Reference Manual (83 pages)

Table of Contents

Read this First

1 Introduction

2 Device Description

3 Device Configuration

4 Device Security

5 Protection Subsystem

6 Device Status and Controls

7 Operational Modes

100 C Serial Communications

9 Commands and Subcommands

10 Data Memory

11 Revision History

Texas Instruments BQ77307 Instruction Manual (50 pages)

Table of Contents

1 Features

2 Applications

3 Description

4 Device Comparison Table

5 Pin Configuration and Functions

6 Specifications

7 Detailed Description

8 Application and Implementation

9 Power Supply Recommendations

10 Layout

11 Device and Documentation Support

12 Revision History

13 Mechanical, Packaging, and Orderable Information

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Texas Instruments Categories