LT1512

PRODUCTION

SEPIC Constant-Current/Constant-Voltage Battery Charger

Data Sheet Product Selection Table

Part Models: 10
1ku List Price: Starting From $4.43

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Part Details

Charger Input Voltage May Be Higher, Equal to or Lower Than Battery Voltage
Charges Any Number of Cells Up to 30V*
1% Voltage Accuracy for Rechargeable Lithium Batteries
500kHz Switching Frequency Minimizes Inductor Size
100mV Current Sense Voltage for High Efficiency
Battery Can Be Directly Grounded
Charging Current Easily Programmable or Shut Down

*Maximum Input Voltage = 40V – V_BAT

Part Models: 10
1ku List Price: Starting From $4.43

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
LT1512CGN#PBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1512CGN#TRPBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1512CN8#PBF	8-Lead PDIP (Narrow 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1512CS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1512CS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1512IGN#PBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1512IGN#TRPBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1512IN8#PBF	8-Lead PDIP (Narrow 0.3 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1512IS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1512IS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 3, 2024 - 24_0235 (QSOP/SSOP PKG) Migrating Bottom Trace Code Marking to Top Side Laser Marking
		PCN24_0235_Form Material_Report Other Delta Qualification Matrix
LT1512CGN#PBF	PRODUCTION
LT1512CGN#TRPBF	PRODUCTION
LT1512IGN#PBF	PRODUCTION
LT1512IGN#TRPBF	PRODUCTION
Oct 11, 2022 - 22_0235 Epoxy Change from Henkel 8290 to 8290A for GN Package
		PCN22_0235_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LT1512CGN#PBF	PRODUCTION
LT1512CGN#TRPBF	PRODUCTION
LT1512IGN#PBF	PRODUCTION
LT1512IGN#TRPBF	PRODUCTION
Apr 6, 2022 - 22_0066 Laser Top Mark for 16QSOP Assembled in ADPG [PNG]
		PCN22_0066_Form Material_Report Delta Qualification Matrix
LT1512CGN#PBF	PRODUCTION
LT1512CGN#TRPBF	PRODUCTION
LT1512IGN#PBF	PRODUCTION
LT1512IGN#TRPBF	PRODUCTION
Oct 8, 2024 - 24_0234 Migrating Bottom Trace Code Marking to Top Side Laser Marking for PDIP Package
		PCN24_0234_Form Material_Report Marking Comparison
LT1512CN8#PBF	PRODUCTION
LT1512IN8#PBF	PRODUCTION
Oct 11, 2022 - 22_0241 Epoxy Change from Henkel 8290 to 8290A for PDIP Package
		PCN22_0241_Form Material_Report Qualification Results Summary
LT1512CN8#PBF	PRODUCTION
LT1512IN8#PBF	PRODUCTION
Aug 6, 2022 - 22_0172 Laser Top Mark Conversion for PDIP Packages Assembled in ADPG [PNG]
		PCN22_0172_Form Material_Report Delta Qualification Matrix
LT1512CN8#PBF	PRODUCTION
LT1512IN8#PBF	PRODUCTION
Dec 14, 2023 - 22_0255 Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2)
		PCN22_0255_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LT1512CS8#PBF	PRODUCTION
LT1512CS8#TRPBF	PRODUCTION
LT1512IS8#PBF	PRODUCTION
LT1512IS8#TRPBF	PRODUCTION
Jun 11, 2021 - 21_0060 Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
		PCN21_0060_Form Material_Report Delta Qualification Matrix
LT1512CS8#PBF	PRODUCTION
LT1512CS8#TRPBF	PRODUCTION
LT1512IS8#PBF	PRODUCTION
LT1512IS8#TRPBF	PRODUCTION

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

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Hardware Ecosystem

Parts	Product Life Cycle	Description
µModule Battery Chargers 1
LTM8062	RECOMMENDED FOR NEW DESIGNS	32V_IN, 2A μModule (Power Module) Power Tracking Battery Charger
Pushbutton Controllers 1
LTC2956	RECOMMENDED FOR NEW DESIGNS	Wake-Up Timer with Pushbutton Control
Switching Battery Chargers 1
LTC4020	RECOMMENDED FOR NEW DESIGNS	55V Buck-Boost Multi-Chemistry Battery Charger

Parts	Product Life Cycle	Description
LTC4020	RECOMMENDED FOR NEW DESIGNS	55V Buck-Boost Multi-Chemistry Battery Charger

Tools & Simulations

LTspice 1

LT1512 Demo Circuit - SEPIC Charger with 0.5A Output Current (5-25V to 5.2V @ .5A)

Models for the following parts are available in LTspice:

LT1512

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Part Details

Documentation

Data Sheet 1

Reliability Data 1

Application Note 2

Design Note 1

Technical Articles 1

Spec Notice 1

Solutions Bulletin & Brochure 1