LTC2952

RECOMMENDED FOR NEW DESIGNS

Pushbutton PowerPath Controller with Supervisor

Data Sheet Product Selection Table

Part Models: 8
1ku List Price: Starting From $3.54

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Part Details

Pushbutton On/Off Control
Automatic Low Loss Switchover Between DC Sources
Wide Operating Voltage Range: 2.7V to 28V
Low 25μA Shutdown Current
Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature
Adjustable Pushbutton On/Off Timers
Simple Interface Allows Graceful μP Shutdown
Extendable Housekeeping Wait Time Prior to Shutdown
200ms Reset Delay and 1.6s Watchdog Timeout
±8kV HBM ESD on PB Input
20-pin TSSOP and QFN (4mm × 4mm) Packages

Part Models: 8
1ku List Price: Starting From $3.54

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC2952CF#PBF	20-Lead TSSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC2952CF#TRPBF	20-Lead TSSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC2952CUF#PBF	20-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC2952CUF#TRPBF	20-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC2952IF#PBF	20-Lead TSSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC2952IF#TRPBF	20-Lead TSSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC2952IUF#PBF	20-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC2952IUF#TRPBF	20-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Feb 14, 2025 - 25_0016 Bond Wire Change from Gold to Copper Wire (Notification Only)
		PCN25_0016_Form Material_Report Qualification Results Summary
LTC2952CF#PBF	PRODUCTION
LTC2952CF#TRPBF	PRODUCTION
LTC2952CUF#PBF	PRODUCTION
LTC2952CUF#TRPBF	PRODUCTION
LTC2952IF#PBF	PRODUCTION
LTC2952IF#TRPBF	PRODUCTION
Apr 6, 2022 - 22_0068 Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL
		PCN22_0068_Form Material_Report Delta Qualification Matrix
LTC2952CF#PBF	PRODUCTION
LTC2952CF#TRPBF	PRODUCTION
LTC2952IF#PBF	PRODUCTION
LTC2952IF#TRPBF	PRODUCTION
Jan 20, 2022 - 21_0269 Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products
		PCN21_0269_Form Material_Report Detailed Change Description Qualification Results Summary
LTC2952CUF#PBF	PRODUCTION
LTC2952CUF#TRPBF	PRODUCTION
LTC2952IUF#PBF	PRODUCTION
LTC2952IUF#TRPBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

Device Drivers 1

LTC2952 GitHub Linux Driver Source Code

Hardware Ecosystem

Parts	Product Life Cycle	Description
Dual-Supply Monitors 1
LTC2960	RECOMMENDED FOR NEW DESIGNS	36V Nano-Current Two-Input Voltage Monitor
TimerBlox 1
LTC6991	PRODUCTION	TimerBlox: Resettable, Low Frequency Oscillator

Tools & Simulations

LTspice 1

LTC2952 - Supervisory Circuits, LT3010 - LDO Linear Regulators

Models for the following parts are available in LTspice:

LTC2952

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

LTC2952 Demo Board | Push-Button Power Path Controller w/ Supervisor

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Product Details

Demonstration circuit 1033B features the LTC2952, a micropower, multipurpose, pushbutton On/Off PowerPath™ controller that provides voltage monitoring and supervisory features, as well as ideal diode power paths. Selectable PowerPath management modes allow a variety of power on and off configurations, including pushbutton on/off control and voltage detection on/off control.