Texas Instruments BQ76905 Manuals

Manuals and User Guides for Texas Instruments BQ76905. We have 2 Texas Instruments BQ76905 manuals available for free PDF download: Manual, User Manual

Texas Instruments BQ76905 Manual (61 pages)

High Accuracy Battery Monitor and Protector for Li-Ion, Li-Polymer, LiFePO4 LFP, and LTO Battery Packs

Brand: Texas Instruments | Category: Battery Pack | Size: 3.02 MB

Table of Contents
2
Description
5
Specifications
5
Absolute Maximum Ratings
5
ESD Ratings
5
Recommended Operating
7
Thermal Information
7
Supply Current
7
Digital I/O
7
Regout Ldo
8
Coulomb Counter Digital
10
Current Wake
10
Analog-To-Digital
14
Cell Balancing
15
Internal Temperature Sensor
15
Hardware Overtemperature
16
Internal Oscillator
16
Charge and Discharge FET
17
Comparator-Based Protection
18
Timing Requirements-I
19
C Interface, 100-Khz Mode
19
Timing Requirements-I
20
C Interface, 400-Khz Mode
20
Timing Diagram
20
Typical Characteristics
21
Detailed Description
26
Overview
26
Functional Block Diagram
26
Device Configuration
27
Commands and Subcommands
27
Configuration Using OTP or Registers
27
Device Security
27
Device Hardware Features
27
Coulomb Counter and Digital Filters
28
Protection FET Drivers
28
Voltage References
29
Multiplexer
29
Ldos
29
Standalone Versus Host
29
ALERT Pin
30
Submit Document Feedback
31
Internal Temperature Measurement
34
Thermistor Temperature Measurement
34
Factory Trim and Calibration
34
Protection Subsystem
35
Protections Overview
35
Primary Protections
35
CHG Detector
35
Cell Open-Wire
35
Diagnostic Checks
36
Cell Balancing
37
Device Operational
37
Overview of Operational Modes
37
NORMAL Mode
38
DEEPSLEEP Mode
39
SHUTDOWN Mode
39
CONFIG_UPDATE Mode
40
Application and Implementation
41
Application Information
41
Typical Application
41
Design Requirements
44
Detailed Design Procedure
45
Application Performance Plot
46
Random Cell Connection
46
Startup Timing
47
FET Driver Turn-Off
48
Power Supply Recommendations
51
Layout Guidelines
52
Layout Example
52
Glossary
54
Revision History
54
Mechanical, Packaging, and Orderable Information
55
Copyright © 2023 Texas Instruments Incorporated
61

Texas Instruments BQ76905 User Manual (30 pages)

Evaluation Module

Brand: Texas Instruments | Category: Control Unit | Size: 1.94 MB

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Texas Instruments BQ76905 Manual (61 pages)

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