SLUS968H
January 2010 – April 2021
BQ24090
,
BQ24091
,
BQ24092
,
BQ24093
,
BQ24095
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Device Options
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings (1)
8.2
ESD Ratings
8.3
Recommended Operating Conditions (1)
8.4
Thermal Information
8.5
Dissipation Ratings (1) (1)
8.6
Electrical Characteristics
8.7
Typical Characteristics
8.7.1
Power Up, Power Down, OVP, Disable and Enable Waveforms
8.7.2
Protection Circuits Waveforms
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Power Down or Undervoltage Lockout (UVLO)
9.3.2
UVLO
9.3.3
Power Up
9.3.4
Sleep Mode
9.3.5
New Charge Cycle
9.3.6
Overvoltage Protection (OVP) – Continuously Monitored
9.3.7
Power Good Indication ( PG)
9.3.8
CHG Pin Indication
9.3.9
CHG and PG LED Pullup Source
9.3.10
IN-DPM (VIN-DPM or IN–DPM)
9.3.11
OUT
9.3.12
ISET
9.3.13
PRE_TERM – Precharge and Termination Programmable Threshold
9.3.14
ISET2
9.3.15
TS
9.4
Device Functional Modes
9.4.1
Termination and Timer Disable Mode (TTDM) - TS Pin High
9.4.2
Timers
9.4.3
Termination
9.4.4
Battery Detect Routine
9.4.5
Refresh Threshold
9.4.6
Starting a Charge on a Full Battery
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Calculations
10.2.2.1.1
Program the Fast Charge Current, ISET:
10.2.2.1.2
Program the Termination Current Threshold, ITERM:
10.2.2.1.3
TS Function
10.2.2.1.4
CHG and PG
10.2.2.2
Selecting IN and OUT Pin Capacitors
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
12.3
Thermal Considerations
12.3.1
Leakage Current Effects on Battery Capacity
13
Device and Documentation Support
13.1
Device Support
13.1.1
Third-Party Products Disclaimer
13.2
Receiving Notification of Documentation Updates
13.3
Support Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
Package Options
Mechanical Data (Package|Pins)
DGQ|10
MPDS043F
Thermal pad, mechanical data (Package|Pins)
DGQ|10
PPTD325B
Orderable Information
slus968h_oa
slus968h_pm