SLUSCS3J
October 2017 – December 2022
BQ2980
,
BQ2982
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
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
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.1.1
Device Configurability
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Overvoltage (OV) Status
8.3.2
Undervoltage (UV) Status
8.3.3
Overcurrent in Charge (OCC) Status
8.3.4
Overcurrent in Discharge (OCD) and Short Circuit in Discharge (SCD) Status
8.3.5
Overtemperature (OT) Status
8.3.6
Charge and Discharge Driver
8.3.7
CTR for FET Override and Device Shutdown
8.3.8
CTR for PTC Connection
8.3.9
ZVCHG (0-V Charging)
8.4
Device Functional Modes
8.4.1
Power Modes
8.4.1.1
Power-On-Reset (POR)
8.4.1.2
NORMAL Mode
8.4.1.3
FAULT Mode
8.4.1.4
SHUTDOWN Mode
9
Application and Implementation
9.1
Application Information
9.1.1
Test Circuits for Device Evaluation
9.1.2
Test Circuit Diagrams
9.1.3
Using CTR as FET Driver On/Off Control
9.2
Typical Applications
9.2.1
BQ298x Configuration 1: System-Controlled Reset/Shutdown Function
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Selection of Power FET
9.2.1.4
Application Curves
9.2.2
BQ298x Configuration 2: CTR Function Disabled
9.2.3
BQ298x Configuration 3: PTC Thermistor Protection
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Third-Party Products Disclaimer
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RUG|8
MPQF215A
Thermal pad, mechanical data (Package|Pins)
RUG|8
QFND220
Orderable Information
sluscs3j_oa
sluscs3j_pm
1
Features
Voltage protection:
Overvoltage (OV): ±10 mV
Undervoltage (UV): ±20 mV
Current protection:
Overcurrent in charge (OCC): ±1 mV
Overcurrent in discharge (OCD): ±1 mV
Short circuit in discharge (SCD): ±5 mV
Temperature protection:
Overtemperature (OT)
Additional features:
Supports as low as a 1-mΩ sense resistor (R
SNS
)
High-side protection
High Vgs FET drive
0-V charging (only BQ2980)
CTR pin for FET override control for system reset/shutdown
Configure CTR for second OT protection through an external PTC thermistor
Current consumption:
NORMAL mode: 4 µA
SHUTDOWN mode: 0.1-µA maximum
Package:
8-pin X2QFN: 1.50 × 1.50 × 0.37 mm