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
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DBT|30
MPDS019J
サーマルパッド・メカニカル・データ
発注情報
sluse05_oa
sluse05_pm
7.8
Electrical Characteristics: Power-On Reset
V
CC
= 2.4 V to 2.6 V, T
A
= –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
IT
–
Negative-going voltage input
1.7
1.8
1.9
V
V
HYS
Power-on reset hysteresis
50
125
200
mV