SLUSE05
December 2019
BQ78350-R1A
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
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: I/O
7.7
Electrical Characteristics: ADC
7.8
Electrical Characteristics: Power-On Reset
7.9
Electrical Characteristics: Oscillator
7.10
Electrical Characteristics: Data Flash Memory
7.11
Electrical Characteristics: Register Backup
7.12
SMBus Timing Specifications
7.13
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
Fuel Gauging
8.3.5
Lifetime Data Logging
8.3.6
Authentication
8.3.7
Battery Parameter Measurements
8.3.7.1
Current and Coulomb Counting
8.3.7.2
Voltage
8.3.7.3
Temperature
8.4
Device Functional Modes
8.5
Programming
8.5.1
Physical Interface
8.5.2
SMBus Address
8.5.3
SMBus On and Off State
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Schematic
9.2.2
Design Requirements
9.2.3
Detailed Design Procedure
9.2.3.1
Measurement System
9.2.3.1.1
Cell Voltages
9.2.3.1.2
External Average Cell Voltage
9.2.3.1.3
Current
9.2.3.1.4
Temperature
9.2.3.2
Gas Gauging
9.2.3.3
Charging
9.2.3.3.1
Fast Charging Voltage
9.2.3.3.2
Fast Charging Current
9.2.3.3.3
Other Charging Modes
9.2.3.4
Protection
9.2.3.5
Peripheral Features
9.2.3.5.1
LED Display
9.2.3.5.2
SMBus Address
9.2.4
Application Performance Plots
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Power Supply Decoupling Capacitor
11.1.2
MRST Connection
11.1.3
Communication Line Protection Components
11.1.4
ESD Spark Gap
11.2
Layout Example
12
Device and Documentation Support
12.1
Related Documentation
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBT|30
MPDS019J
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sluse05_oa
sluse05_pm
7.2
ESD Ratings
VALUE
UNIT
V
(ESD)
Human Body Model (HBM) ESD stress voltage
(1)
±2000
V
Charged Device Model (CDM) ESD stress voltage
(2)
±500
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2)
JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.