SLUSBH2G
March 2013 – March 2019
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application Schematic
Charger Efficiency vs Input Voltage
4
Revision History
5
Pin Configuration and Functions
Pin 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
6.6
Electrical Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Maximum Power Point Tracking
7.3.2
Battery Undervoltage Protection
7.3.3
Battery Overvoltage Protection
7.3.4
Battery Voltage within Operating Range (VBAT_OK Output)
7.3.5
Storage Element / Battery Management
7.3.6
Programming OUT Regulation Voltage
7.3.7
Step Down (Buck) Converter
7.3.8
Nano-Power Management and Efficiency
7.4
Device Functional Modes
7.4.1
Main Boost Charger Disabled (Ship Mode) - (VSTOR > VSTOR_CHGEN and EN = HIGH)
7.4.2
Cold-Start Operation (VSTOR < VSTOR_CHGEN, VIN_DC > VIN(CS) and PIN > PIN(CS), EN = don't care)
7.4.3
Main Boost Charger Enabled (VSTOR > VSTOR_CHGEN and EN = LOW )
7.4.3.1
Buck Converter Enabled (VSTOR > VBAT_UV, EN = LOW and VOUT_EN = HIGH )
7.4.4
Thermal Shutdown
8
Application and Implementation
8.1
Application Information
8.1.1
Energy Harvester Selection
8.1.2
Storage Element Selection
8.1.3
Inductor Selection
8.1.3.1
Boost Charger Inductor Selection
8.1.3.2
Buck Converter Inductor Selection
8.1.4
Capacitor Selection
8.1.4.1
VREF_SAMP Capacitance
8.1.4.2
VIN_DC Capacitance
8.1.4.3
VSTOR Capacitance
8.1.4.4
VOUT Capacitance
8.1.4.5
Additional Capacitance on VSTOR or VBAT
8.2
Typical Applications
8.2.1
Solar Application Circuit
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
TEG Application Circuit
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curves
8.2.3
Piezoelectric Application Circuit
8.2.3.1
Design Requirements
8.2.3.2
Detailed Design Procedure
8.2.3.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGR|20
MPQF239A
Thermal pad, mechanical data (Package|Pins)
RGR|20
QFND242E
Orderable Information
slusbh2g_oa
slusbh2g_pm
7.2
Functional Block Diagram