SLVSFH6C
January 2021 – December 2021
TPS61094
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.1.1
The Configuration of VCHG Pin, ICHG Pin, and OSEL Pin
7.1.1.1
OSEL: Output Voltage Selection
7.1.1.2
VCHG: Charging Termination Voltage Selection
7.1.1.3
ICHG: Charging Output Current Selection
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Undervoltage Lockout
7.3.2
Enable and Soft Start
7.3.3
Active Pulldown for the EN and MODE Pins
7.3.4
Current Limit Operation
7.3.5
Output Short-to-Ground Protection
7.3.6
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Operation Mode Setting
7.4.2
Forced Bypass Mode Operation
7.4.3
True Shutdown Mode Operation
7.4.4
Forced Buck Mode Operation
7.4.5
Auto Buck or Boost Mode Operation
7.4.5.1
Three States (Boost_on, Buck_on, and Supplement) Transition
7.4.5.2
Boost, Bypass, and Pass-Through
7.4.5.3
PWM, PFM, and Snooze Modes in Boost Operation
7.4.5.3.1
PWM Mode
7.4.5.3.2
PFM Mode
7.4.5.3.3
Snooze Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application – 3.6-V Output Boost Converter with Bypass
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Programming the Output Voltage
8.2.2.2
Maximum Output Current
8.2.2.3
Inductor Selection
8.2.2.4
Output Capacitor Selection
8.2.2.5
Input Capacitor Selection
8.2.3
Application Curves
8.2.4
Typical Application – 3.3-V Output Boost Converter with Automatic Buck or Boost Function
8.2.4.1
Design Requirements
8.2.4.2
Detailed Design Procedure
8.2.4.2.1
Programming the Voltage and Current
8.2.4.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
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
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DSS|12
MPDS336C
Thermal pad, mechanical data (Package|Pins)
DSS|12
QFND398B
Orderable Information
slvsfh6c_oa
slvsfh6c_pm
1
Features
Wide voltage range and current range
0.7-V to 5.5-V input voltage range
1.8-V minimum input voltage for start-up
Programmable boost output voltages, 2.7-V to 5.4-V setting range
Programmable buck charging termination voltages, 1.7-V to 5.4-V setting range
Programmable buck charging output currents, 2.5-mA to 600-mA setting range
Ultra-low quiescent current
60 nA in boost mode or buck charging mode
4 nA in forced bypass mode
High efficiency and power capability
Typical 2.0-A inductor valley current limit
Two 60-mΩ (LS) / 140-mΩ (HS) MOSFETs
100-mΩ bypass switch resistance
1-MHz switching frequency
Auto snooze mode operation at light load
Up to 92.3% efficiency at V
IN
= 3 V, V
OUT
= 3.6 V, and I
OUT
= 10 μA
Up to 96.3% efficiency at V
IN
= 3 V, V
OUT
= 3.6 V, and I
OUT
= 100 mA
Four operation modes controlled by the MODE and EN pins
Rich protection
Output short-circuit protection
Thermal shutdown protection
2-mm × 3-mm 12-pin WSON package