SLUSAH0G
october 2011 – august 2023
BQ25504
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
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
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Maximum Power Point Tracking
8.3.2
Battery Undervoltage Protection
8.3.3
Battery Overvoltage Protection
8.3.4
Battery Voltage in Operating Range (VBAT_OK Output)
8.3.5
Nano-Power Management and Efficiency
8.4
Device Functional Modes
8.4.1
Cold-Start Operation (VSTOR < VSTOR_CHGEN, VIN_DC > VIN(CS) and PIN > PIN(CS))
8.4.2
Main Boost Charger Enabled (VSTOR > VSTOR_CHGEN, VIN_DC > VIN(DC) and EN = LOW )
8.4.3
Thermal Shutdown
9
Application and Implementation
9.1
Application Information
9.1.1
Storage Element Selection
9.1.2
Inductor Selection
9.1.3
Capacitor Selection
9.1.3.1
VREF_SAMP Capacitance
9.1.3.2
VIN_DC Capacitance
9.1.3.3
VSTOR Capacitance
9.1.3.4
Additional Capacitance on VSTOR or VBAT
9.2
Typical Applications
9.2.1
Solar Application Circuit
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
TEG Application Circuit
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curves
9.2.3
MPPT Disabled, Low Impedance Source Application Circuit
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.3.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Considerations
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.1.2
Zip Files
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
Support Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGT|16
MPQF119H
Thermal pad, mechanical data (Package|Pins)
RGT|16
QFND098S
Orderable Information
slusah0g_oa
slusah0g_pm
2
Applications
Energy harvesting
Solar chargers
Thermal electric generator (TEG) harvesting
Wireless sensor networks (WSNs)
Industrial monitoring
Environmental monitoring
Bridge and structural health monitoring (SHM)
Smart building controls
Portable and wearable health devices
Entertainment system remote controls