SLUSB48
July 2014
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Simplified Schematic
5
Revision History
6
Description (continued)
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
Handling Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics: Supply Current
8.6
Electrical Characteristics: I/O
8.7
Electrical Characteristics: ADC
8.8
Electrical Characteristics: Power-On Reset
8.9
Electrical Characteristics: Oscillator
8.10
Electrical Characteristics: Data Flash Memory
8.11
Electrical Characteristics: Register Backup
8.12
SMBus Timing Specifications
8.13
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Primary (1st Level) Safety Features
9.3.2
Secondary (2nd Level) Safety Features
9.3.3
Charge Control Features
9.3.4
Fuel Gauging
9.3.5
Lifetime Data Logging
9.3.6
Authentication
9.3.7
Battery Parameter Measurements
9.3.7.1
Current and Coulomb Counting
9.3.7.2
Voltage
9.3.7.3
Temperature
9.4
Device Functional Modes
9.5
Programming
9.5.1
Physical Interface
9.5.2
SMBus Address
9.5.3
SMBus On and Off State
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Schematic
10.2.2
Design Requirements
10.2.3
Detailed Design Procedure
10.2.3.1
Measurement System
10.2.3.1.1
Cell Voltages
10.2.3.1.2
External Average Cell Voltage
10.2.3.1.3
Current
10.2.3.1.4
Temperature
10.2.3.2
Gas Gauging
10.2.3.3
Charging
10.2.3.3.1
Fast Charging Voltage
10.2.3.3.2
Fast Charging Current
10.2.3.3.3
Other Charging Modes
10.2.3.4
Protection
10.2.3.5
Peripheral Features
10.2.3.5.1
LED Display
10.2.3.5.2
SMBus Address
10.2.4
Application Performance Plots
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.1.1
Power Supply Decoupling Capacitor
12.1.2
MRST Connection
12.1.3
Communication Line Protection Components
12.1.4
ESD Spark Gap
12.2
Layout Example
13
Device and Documentation Support
13.1
Related Documentation
13.2
Trademarks
13.3
Electrostatic Discharge Caution
13.4
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBT|30
MPDS019J
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusb48_oa
slusb48_pm
5 Revision History
DATE
REVISION
NOTES
July 2014
*
Initial Release