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TPS61299x/xA 95nA Quiescent Current, 5.5V Boost Converter with Input Current Limit and Fast Transient Performance
SLVSGS9E
March 2023 – June 2024
TPS61299
PRODUCTION DATA
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TPS61299x/xA 95nA Quiescent Current, 5.5V Boost Converter with Input Current Limit and Fast Transient Performance
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and 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
System Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Boost Control Operation
7.3.2
Version Detection
7.3.3
Under-voltage Lockout
7.3.4
Switching Frequency
7.3.5
Input Current Limit
7.3.6
Enable and Disable
7.3.7
Soft-Start Timing
7.3.8
Down Mode
7.3.9
Pass-Through Operation
7.3.10
Output Short-to-Ground Protection
7.3.11
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Fast Load Transient Mode and Normal Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application-Li-ion Battery to 5V Boost Converter Under Fast Mode
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Maximum Output Current
8.2.2.2
Inductor Selection
8.2.2.3
Output Capacitor Selection
8.2.2.4
Input Capacitor Selection
8.2.3
Application Curves
8.3
Typical Application-Li-ion Battery to 5V Boost Converter Under Normal Mode
8.3.1
Design Requirements
8.3.2
Application Curves
8.4
TPS61299xA Typical Application-Li-ion Battery to 5V Boost Converter Under Normal Mode
8.4.1
Design Requirements
8.4.2
Application Curves
8.5
Power Supply Recommendations
8.6
Layout
8.6.1
Layout Guidelines
8.6.2
Layout Example
8.7
Thermal Information
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
YBH|6
MXBG426
DRL|6
MPDS159I
Thermal pad, mechanical data (Package|Pins)
Orderable Information
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Data Sheet
TPS61299
x/xA 95nA Quiescent Current, 5.5V Boost Converter with Input Current Limit and Fast Transient Performance
1
Features
Input voltage range: 0.5V to 5.5V
0.7V minimum start-up voltage for TPS61299x
0.9V minimum start-up voltage for TPS61299xA
Input operating voltage down to 150mV with signal V
IN
> 0.7V for TPS61299x
Input operating voltage down to 150mV with signal V
IN
> 0.9V for TPS61299xA
Output voltage range: 1.8V to 5.5V VSEL pin select output voltage
Average input current limit: 5mA; 25mA; 50mA; 100mA; 250mA, 500mA, 1.2A, 1.9A
(different versions)
95nA typical quiescent current from VOUT
60nA typical shutdown current from VIN to GND for TPS61299x
30nA typical force pass through current from VIN to GND for TPS61299xA
Up to 91% efficiency at V
IN
= 3.6V, V
OUT
= 5V, and I
OUT
=10μA
Up to 94% efficiency at V
IN
= 3.6V, V
OUT
= 5V, and I
OUT
=200mA
Fast transient performance: setting time ~8μs at V
IN
= 3.6V, V
OUT
= 5V, I
OUT
= 0A -> 200mA
True disconnection at EN low for TPS61299x
Force pass through at EN low for TPS61299xA
Automatic PFM/PWM mode transition
Auto pass-through at V
IN
> V
OUT
Output SCP and thermal shutdown protections
6-Pin WCSP (1.2mm x 0.8mm) / SOT563 package (1.6mm x 1.6mm)
2
Applications
Smart watch, Smart band
Portable medical equipment
TWS
