Texas Instruments 3 Series Manuals

Manuals and User Guides for Texas Instruments 3 Series. We have 2 Texas Instruments 3 Series manuals available for free PDF download: Manual

Texas Instruments 3 Series Manual

Texas Instruments 3 Series Manual (87 pages)

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

Brand: Texas Instruments | Category: Battery Pack | Size: 4 MB

Table of Contents

1 Features

1
2 Applications

1
3 Description

1
- Table of Contents
  2
4 Revision History

3
5 Device Comparison Table

4
6 Pin Configuration and Functions

4
7 Specifications

7
- Absolute Maximum Ratings
  7
- ESD Ratings
  8
- Recommended Operating Conditions
  9
- Thermal Information Bq76952
  10
- Supply Current
  10
- Digital I/O
  11
- LD Pin
  12
- Precharge (PCHG) and Predischarge (PDSG) FET Drive
  12
- FUSE Pin Functionality
  12
- Reg18 Ldo
  12
- REG0 Pre-Regulator
  13
- Reg1 Ldo
  13
- Reg2 Ldo
  14
- Voltage References
  14
- Coulomb Counter
  15
- Coulomb Counter Digital Filter (CC1)
  15
- Current Measurement Digital Filter (CC2)
  16
- Current Wake Detector
  16
- Analog-To-Digital Converter
  16
- Cell Balancing
  18
- Cell Open Wire Detector
  18
- Internal Temperature Sensor
  18
- Thermistor Measurement
  18
- Internal Oscillators
  19
- High-Side NFET Drivers
  20
- Comparator-Based Protection Subsystem
  21
- Timing Requirements - I
  22
- Interface, 100Khz
  22
- Mode
  22
- Timing Requirements - I C Interface, 400Khz Mode
  23
- Timing Requirements - HDQ Interface
  23
- Timing Requirements - SPI Interface
  24
- Interface Timing Diagrams
  25
- Typical Characteristics
  27
8 Device Description

33
- Overview
  33
- Functional Block Diagram
  34
- BQ76952 Device Versions
  34
- Diagnostics
  34
9 Device Configuration

35
- Commands and Subcommands
  35
- Configuration Using OTP or Registers
  35
- Device Security
  35
- Scratchpad Memory
  35
10 Measurement Subsystem

36
11 Primary and Secondary Protection Subsystems

42
- Protections Overview
  42
- Primary Protections
  42
- Secondary Protections
  43
- High-Side NFET Drivers
  44
- Protection Fets Configuration and Control
  45
- Load Detect Functionality
  45
12 Device Hardware Features

46
- Voltage References
  46
- ADC Multiplexer
  46
- Ldos
  46
- Standalone Versus Host Interface
  47
- Multifunction Pin Controls
  47
- RST_SHUT Pin Operation
  48
- CFETOFF, DFETOFF, and BOTHOFF Pin Functionality
  48
- ALERT Pin Operation
  48
- DDSG and DCHG Pin Operation
  49
- Fuse Drive
  49
- Cell Open Wire
  50
- Low Frequency Oscillator
  50
- High Frequency Oscillator
  50
13 Device Functional Modes

51
- Overview
  51
- NORMAL Mode
  51
- SLEEP Mode
  52
- DEEPSLEEP Mode
  52
- SHUTDOWN Mode
  53
- CONFIG_UPDATE Mode
  54
14 Serial Communications

54
- Serial Communications Overview
  54
- I 2 C Communications
  54
- Interface
  54
- SPI Communications
  56
- HDQ Communications
  62
15 Cell Balancing

63
- Cell Balancing Overview
  63
16 Application and Implementation

64
- Application Information
  64
- Typical Applications
  64
- Random Cell Connection Support
  70
- Startup Timing
  71
- FET Driver Turn-Off
  72
- Unused Pins
  74
17 Power Supply Requirements

75
18 Layout

75
- Layout Guidelines
  75
- Layout Example
  76
- Documentation Support
  79
- Support Resources
  79
- Trademarks
  79
- Electrostatic Discharge Caution
  79
19 Support

79

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Texas Instruments 3 Series Manual

Texas Instruments 3 Series Manual (88 pages)

3-Series to 16-Series High Accuracy Battery Monitor and Protector for Li-Ion, Li-Polymer, and LiFePO4 Battery Packs

Brand: Texas Instruments | Category: Monitor | Size: 3 MB

Table of Contents

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