SLUSC67B
March 2016 – October 2017
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics: Supply Current
6.6
Electrical Characteristics: Power Supply Control
6.7
Electrical Characteristics: AFE Power-On Reset
6.8
Electrical Characteristics: AFE Watchdog Reset and Wake Timer
6.9
Electrical Characteristics: Current Wake Comparator
6.10
Electrical Characteristics: VC1, VC2, VC3, VC4, BAT, PACK
6.11
Electrical Characteristics: SMBD, SMBC
6.12
Electrical Characteristics: PRES, BTP_INT, DISP
6.13
Electrical Characteristics: LEDCNTLA, LEDCNTLB, LEDCNTLC
6.14
Electrical Characteristics: Coulomb Counter
6.15
Electrical Characteristics: CC Digital Filter
6.16
Electrical Characteristics: ADC
6.17
Electrical Characteristics: ADC Digital Filter
6.18
Electrical Characteristics: CHG, DSG FET Drive
6.19
Electrical Characteristics: PCHG FET Drive
6.20
Electrical Characteristics: FUSE Drive
6.21
Electrical Characteristics: Internal Temperature Sensor
6.22
Electrical Characteristics: TS1, TS2, TS3, TS4
6.23
Electrical Characteristics: PTC, PTCEN
6.24
Electrical Characteristics: Internal 1.8-V LDO
6.25
Electrical Characteristics: High-Frequency Oscillator
6.26
Electrical Characteristics: Low-Frequency Oscillator
6.27
Electrical Characteristics: Voltage Reference 1
6.28
Electrical Characteristics: Voltage Reference 2
6.29
Electrical Characteristics: Instruction Flash
6.30
Electrical Characteristics: Data Flash
6.31
Electrical Characteristics: OCD, SCC, SCD1, SCD2 Current Protection Thresholds
6.32
Timing Requirements: OCD, SCC, SCD1, SCD2 Current Protection Timing
6.33
Timing Requirements: SMBus
6.34
Timing Requirements: SMBus XL
6.35
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Primary (1st Level) Safety Features
7.3.2
Secondary (2nd Level) Safety Features
7.3.3
Charge Control Features
7.3.4
Gas Gauging
7.3.5
Configuration
7.3.5.1
Oscillator Function
7.3.5.2
System Present Operation
7.3.5.3
Emergency Shutdown
7.3.5.4
1-Series, 2-Series, 3-Series, or 4-Series Cell Configuration
7.3.5.5
Cell Balancing
7.3.6
Battery Parameter Measurements
7.3.6.1
Charge and Discharge Counting
7.3.7
Battery Trip Point (BTP)
7.3.8
Lifetime Data Logging Features
7.3.9
Authentication
7.3.10
LED Display
7.3.11
Voltage
7.3.12
Current
7.3.13
Temperature
7.3.14
Communications
7.3.14.1
SMBus On and Off State
7.3.14.2
SBS Commands
7.4
Device Functional Modes
8
Applications and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
High-Current Path
8.2.2.1.1
Protection FETs
8.2.2.1.2
Chemical Fuse
8.2.2.1.3
Lithium-Ion Cell Connections
8.2.2.1.4
Sense Resistor
8.2.2.1.5
ESD Mitigation
8.2.2.2
Gas Gauge Circuit
8.2.2.2.1
Coulomb-Counting Interface
8.2.2.2.2
Power Supply Decoupling and PBI
8.2.2.2.3
System Present
8.2.2.2.4
SMBus Communication
8.2.2.2.5
FUSE Circuitry
8.2.2.3
Secondary-Current Protection
8.2.2.3.1
Cell and Battery Inputs
8.2.2.3.2
External Cell Balancing
8.2.2.3.3
PACK and FET Control
8.2.2.3.4
Temperature Output
8.2.2.3.5
LEDs
8.2.2.3.6
Safety PTC Thermistor
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Protector FET Bypass and Pack Terminal Bypass Capacitors
10.1.2
ESD Spark Gap
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Community Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RSM|32
MPQF195B
Thermal pad, mechanical data (Package|Pins)
RSM|32
QFND239E
Orderable Information
slusc67b_oa
slusc67b_pm