SLUSCC5A
September 2016 – May 2018
BQ25890H
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Simplified Schematic
4
Revision History
5
Description (continued)
6
Pin Configuration and Functions
Pin 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
Timing Requirements
7.7
Typical Characteristics
8
Detailed Description
8.1
Functional Block Diagram
8.2
Feature Description
8.2.1
Device Power-On-Reset (POR)
8.2.2
Device Power Up from Battery without Input Source
8.2.3
Device Power Up from Input Source
8.2.3.1
Power Up REGN Regulation (LDO)
8.2.3.2
Poor Source Qualification
8.2.3.3
Input Source Type Detection
8.2.3.3.1
D+/D– Detection Sets Input Current Limit
8.2.3.3.2
Force Input Current Limit Detection
8.2.3.4
Input Voltage Limit Threshold Setting (VINDPM Threshold)
8.2.3.5
Converter Power-Up
8.2.4
Input Current Optimizer (ICO)
8.2.5
Boost Mode Operation from Battery
8.2.6
Power Path Management
8.2.6.1
Narrow VDC Architecture
8.2.6.2
Dynamic Power Management
8.2.6.3
Supplement Mode
8.2.7
Battery Charging Management
8.2.7.1
Autonomous Charging Cycle
8.2.7.2
Battery Charging Profile
8.2.7.3
Charging Termination
8.2.7.4
Resistance Compensation (IRCOMP)
8.2.7.5
Thermistor Qualification
8.2.7.5.1
JEITA Guideline Compliance in Charge Mode
8.2.7.5.2
Cold/Hot Temperature Window in Boost Mode
8.2.7.6
Charging Safety Timer
8.2.8
Battery Monitor
8.2.9
Status/Control Outputs (STAT, INT and DSEL)
8.2.9.1
Charging Status Indicator (STAT)
8.2.9.2
Interrupt to Host (INT)
8.2.9.3
D+/D- Multiplexer Selection Control
8.2.10
BATET (Q4) Control
8.2.10.1
BATFET Disable Mode (Shipping Mode)
8.2.10.2
BATFET Enable (Exit Shipping Mode)
8.2.10.3
BATFET Full System Reset
8.2.11
Current Pulse Control Protocol
8.2.12
D+/D- Output Driver
8.2.13
Input Current Limit on ILIM
8.2.14
Thermal Regulation and Thermal Shutdown
8.2.14.1
Thermal Protection in Buck Mode
8.2.14.2
Thermal Protection in Boost Mode
8.2.15
Voltage and Current Monitoring in Buck and Boost Mode
8.2.15.1
Voltage and Current Monitoring in Buck Mode
8.2.15.1.1
Input Overvoltage (ACOV)
8.2.15.1.2
System Overvoltage Protection (SYSOVP)
8.2.15.2
Voltage and Current Monitoring in Boost Mode
8.2.15.2.1
VBUS Overcurrent Protection
8.2.15.2.2
Boost Mode Overvoltage Protection
8.2.16
Battery Protection
8.2.16.1
Battery Overvoltage Protection (BATOVP)
8.2.16.2
Battery Over-Discharge Protection
8.2.16.3
System Overcurrent Protection
8.2.17
Serial Interface
8.2.17.1
Data Validity
8.2.17.2
START and STOP Conditions
8.2.17.3
Byte Format
8.2.17.4
Acknowledge (ACK) and Not Acknowledge (NACK)
8.2.17.5
Slave Address and Data Direction Bit
8.2.17.6
Single Read and Write
8.2.17.7
Multi-Read and Multi-Write
8.3
Device Functional Modes
8.3.1
Host Mode and Default Mode
8.4
Register Maps
8.4.1
REG00
Table 8.
REG00
8.4.2
REG01
Table 9.
REG01
8.4.3
REG02
Table 10.
REG02
8.4.4
REG03
Table 11.
REG03
8.4.5
REG04
Table 12.
REG04
8.4.6
REG05
Table 13.
REG05
8.4.7
REG06
Table 14.
REG06
8.4.8
REG07
Table 15.
REG07
8.4.9
REG08
Table 16.
REG08
8.4.10
REG09
Table 17.
REG09
8.4.11
REG0A
Table 18.
REG0A
8.4.12
REG0B
Table 19.
REG0B
8.4.13
REG0C
Table 20.
REG0C
8.4.14
REG0D
Table 21.
REG0D
8.4.15
REG0E
Table 22.
REG0E
8.4.16
REG0F
Table 23.
REG0F
8.4.17
REG10
Table 24.
REG10
8.4.18
REG11
Table 25.
REG11
8.4.19
REG12
Table 26.
REG12
8.4.20
REG13
Table 27.
REG13
8.4.21
REG14
Table 28.
REG14
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Inductor Selection
9.2.2.2
Buck Input Capacitor
9.2.2.3
System Output Capacitor
9.2.3
Application Curves
9.3
System Examples
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTW|24
MPQF167C
Thermal pad, mechanical data (Package|Pins)
RTW|24
QFND125K
Orderable Information
sluscc5a_oa
sluscc5a_pm
8.2.14
Thermal Regulation and Thermal Shutdown