SLUSCB3
July
2015
PRODUCTION DATA.
-
1 Features
-
2 Applications
-
3 Description
-
4 Revision History
-
5 Description (continued)
-
6 Pin Configuration and Functions
-
7 Specifications
- 7.1
Absolute Maximum Ratings
- 7.2
ESD Ratings
- 7.3
Recommended Operating Conditions
- 7.4
Thermal Information
- 7.5
Electrical Characteristics: Supply Current
- 7.6
Electrical Characteristics: Power Supply Control
- 7.7
Electrical Characteristics: AFE Power-On Reset
- 7.8
Electrical Characteristics: AFE Watchdog Reset and Wake Timer
- 7.9
Electrical Characteristics: Current Wake Comparator
- 7.10
Electrical Characteristics: VC1, VC2, VC3, VC4, BAT, PACK
- 7.11
Electrical Characteristics: SMBD, SMBC
- 7.12
Electrical Characteristics: PRES, BTP_INT, DISP
- 7.13
Electrical Characteristics: LEDCNTLA, LEDCNTLB, LEDCNTLC
- 7.14
Electrical Characteristics: Coulomb Counter
- 7.15
Electrical Characteristics: CC Digital Filter
- 7.16
Electrical Characteristics: ADC
- 7.17
Electrical Characteristics: ADC Digital Filter
- 7.18
Electrical Characteristics: CHG, DSG FET Drive
- 7.19
Electrical Characteristics: PCHG FET Drive
- 7.20
Electrical Characteristics: FUSE Drive
- 7.21
Electrical Characteristics: Internal Temperature Sensor
- 7.22
Electrical Characteristics: TS1, TS2, TS3, TS4
- 7.23
Electrical Characteristics: PTC, PTCEN
- 7.24
Electrical Characteristics: Internal 1.8-V LDO
- 7.25
Electrical Characteristics: High-Frequency Oscillator
- 7.26
Electrical Characteristics: Low-Frequency Oscillator
- 7.27
Electrical Characteristics: Voltage Reference 1
- 7.28
Electrical Characteristics: Voltage Reference 2
- 7.29
Electrical Characteristics: Instruction Flash
- 7.30
Electrical Characteristics: Data Flash
- 7.31
Electrical Characteristics: OCD, SCC, SCD1, SCD2 Current Protection Thresholds
- 7.32
Timing Requirements: OCD, SCC, SCD1, SCD2 Current Protection Timing
- 7.33
Timing Requirements: SMBus
- 7.34
Timing Requirements: SMBus XL
- 7.35
Typical Characteristics
-
8 Detailed Description
- 8.1
Overview
- 8.2
Functional Block Diagram
- 8.3
Feature Description
- 8.3.1
Primary (1st Level) Safety Features
- 8.3.2
Secondary (2nd Level) Safety Features
- 8.3.3
Charge Control Features
- 8.3.4
Gas Gauging
- 8.3.5
Configuration
- 8.3.5.1
Oscillator Function
- 8.3.5.2
System Present Operation
- 8.3.5.3
Emergency Shutdown
- 8.3.5.4
1-Series, 2-Series, 3-Series, or 4-Series Cell Configuration
- 8.3.5.5
Cell Balancing
- 8.3.6
Battery Parameter Measurements
- 8.3.6.1
Charge and Discharge Counting
- 8.3.7
Battery Trip Point (BTP)
- 8.3.8
Lifetime Data Logging Features
- 8.3.9
Authentication
- 8.3.10
LED Display
- 8.3.11
Voltage
- 8.3.12
Current
- 8.3.13
Temperature
- 8.3.14
Communications
- 8.3.14.1
SMBus On and Off State
- 8.3.14.2
SBS Commands
- 8.4
Device Functional Modes
-
9 Applications and Implementation
- 9.1
Application Information
- 9.2
Typical Applications
- 9.2.1
Design Requirements
- 9.2.2
Detailed Design Procedure
- 9.2.2.1
High-Current Path
- 9.2.2.1.1
Protection FETs
- 9.2.2.1.2
Chemical Fuse
- 9.2.2.1.3
Lithium-Ion Cell Connections
- 9.2.2.1.4
Sense Resistor
- 9.2.2.1.5
ESD Mitigation
- 9.2.2.2
Gas Gauge Circuit
- 9.2.2.2.1
Coulomb-Counting Interface
- 9.2.2.2.2
Power Supply Decoupling and PBI
- 9.2.2.2.3
System Present
- 9.2.2.2.4
SMBus Communication
- 9.2.2.2.5
FUSE Circuitry
- 9.2.2.3
Secondary-Current Protection
- 9.2.2.3.1
Cell and Battery Inputs
- 9.2.2.3.2
External Cell Balancing
- 9.2.2.3.3
PACK and FET Control
- 9.2.2.3.4
Temperature Output
- 9.2.2.3.5
LEDs
- 9.2.2.3.6
Safety PTC Thermistor
- 9.2.3
Application Curves
-
10Power Supply Recommendations
-
11Layout
- 11.1
Layout Guidelines
- 11.1.1
Protector FET Bypass and Pack Terminal Bypass Capacitors
- 11.1.2
ESD Spark Gap
- 11.2
Layout Example
-
12Device and Documentation Support
- 12.1
Documentation Support
- 12.1.1
Related Documentation
- 12.2
Community Resources
- 12.3
Trademarks
- 12.4
Electrostatic Discharge Caution
- 12.5
Glossary
-
13Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information
4 Revision History
DATE |
REVISION |
NOTES |
July 2015 |
* |
Initial Release |