- Sierra IC Inc. will be closed for the holiday season from December 20, 2025 through January 4, 2026, and will resume normal business operations on January 5, 2026.    

 

Sierra IC Inc., a global independent distributor, specializes in integrated circuits, active and passive components, connectors, and discrete electromechanical parts.

Products UnCategorized Battery-Management Sierra IC Catalog Page 79

Part Number Manufacturer
Page 79 of 126
LP3970SQ-44-NOPB
PMU FORAPPLICATION PROCESSORS
National-Semiconductor
LP3970SQ-45
POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS
National-Semiconductor
LP3970SQ-45-NOPB
Power Management Unit for Advanced Application Processor
National-Semiconductor
LP3970SQX-31
Mgmt Sys 650mA 2.8V/1.8V 48-Pin LLP T/R
National-Semiconductor
LP3970SQX-31-NOPB
Power Management Unit for Advanced ApplicationProcessor
National-Semiconductor
LP3970SQX-35
PMU FOR APPLICATION PROCESSORS
National-Semiconductor
LP3970SQX-35-NOPB
Mgmt Sys 650mA 2.8V/3.3V 48-Pin LLP T/R
National-Semiconductor
LP3970SQX-44
PMU FOR APPLICATION PROCESSORS
National-Semiconductor
LP3970SQX-44-NOPB
Mgmt Sys 650mA 3V 48-Pin LLP T/R
National-Semiconductor
LP3970SQX-45
Mgmt Sys 650mA 3V/3.3V 48-Pin LLP T/R
National-Semiconductor
LP3970SQX-45-NOPB
PMU FOR APPLICATION PROCESSORS
National-Semiconductor
LP5550SQ
POWER WISE COMPLIANT EMU/PMU
National-Semiconductor
LP5550SQ-NOPB
PowerWiseâ„¢ Technology Compliant Energy Management Unit
National-Semiconductor
LP5550SQX
Mgmt Sys 100mA/250mA 1.2V/3.3V 16-Pin LLP T/R
National-Semiconductor
LP5550SQX-NOPB
POWER WISE COMPLIANT EMU/PMU
National-Semiconductor

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SIERRA IC, INC.
16151 Lancaster Hwy
Charlotte NC 28277

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