POWER SUPPLY MANAGEMENT CIRCUIT Power Management ICs 1,357

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Part	Manufacturer	Other IC type	Temperature Grade	No. of Terminals	Package Code	Package Shape	Surface Mount	Package Body Material	Maximum Supply Current (Isup)	No. of Functions	No. of Channels	Technology	Screening Level	Terminal Form	Nominal Supply Voltage (Vsup)	Package Style (Meter)	Package Equivalence Code	Terminal Pitch	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width (mm)	Minimum Supply Voltage (Vsup)	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Nominal Threshold Voltage (V)	Length	Adjustable Threshold
L5965SQ-V0Y	STMicroelectronics	POWER SUPPLY MANAGEMENT CIRCUIT	AUTOMOTIVE	48	HQCCN	SQUARE	YES	UNSPECIFIED		1	7		AEC-Q100	NO LEAD	14 V	CHIP CARRIER, HEAT SINK/SLUG	LCC48,.28SQ,20	.5 mm	125 Cel	-40 Cel		QUAD	S-XQCC-N48	3	32 V	1.05 mm	7 mm	4 V					+3.2,3.4V	7 mm	YES
MCP1318T-29LE/OTVAO	Microchip Technology	POWER SUPPLY MANAGEMENT CIRCUIT	AUTOMOTIVE	5	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	.01 mA	1	1		AEC-Q100	GULL WING	1.5 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	TSOP5/6,.11,37	.95 mm	125 Cel	-40 Cel		DUAL	R-PDSO-G5		5.5 V	1.45 mm	1.625 mm	1 V	RESET THRESHOLD VOLTAGE IS 2.9V				+2.9V	2.95 mm	NO
MCP1320T-29LE/OTVAO	Microchip Technology	POWER SUPPLY MANAGEMENT CIRCUIT	AUTOMOTIVE	5	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	.01 mA	1	1		AEC-Q100	GULL WING	1.5 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	TSOP5/6,.11,37	.95 mm	125 Cel	-40 Cel	MATTE TIN	DUAL	R-PDSO-G5		5.5 V	1.45 mm	1.625 mm	1 V	RESET THRESHOLD VOLTAGE IS 2.9V; MANUAL RESET INPUT	e3			+2.9V	2.95 mm	NO
MCP1321T-29LE/OTVAO	Microchip Technology	POWER SUPPLY MANAGEMENT CIRCUIT	AUTOMOTIVE	5	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	.01 mA	1	1		AEC-Q100	GULL WING	1.5 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	TSOP5/6,.11,37	.95 mm	125 Cel	-40 Cel		DUAL	R-PDSO-G5		5.5 V	1.45 mm	1.625 mm	1 V	RESET THRESHOLD VOLTAGE IS 2.9V				+2.9V	2.95 mm	NO
PT7M823LW5-7	Diodes Incorporated	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	5	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	.036 mA	1	1			GULL WING	5 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SOP5/6,.11,.37	.95 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G5		5.5 V	1.3 mm	1.6 mm	4.5 V			NOT SPECIFIED	NOT SPECIFIED	+4.63 V	3 mm	NO
MIC826RYMT-T5	Microchip Technology	POWER SUPPLY MANAGEMENT CIRCUIT	AUTOMOTIVE	6	VSON	SQUARE	YES	PLASTIC/EPOXY		1	1			NO LEAD	3 V	SMALL OUTLINE, VERY THIN PROFILE		.5 mm	125 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	S-PDSO-N6		3.6 V	.6 mm	1.6 mm	2.7 V	THRESHOLD VOLTAGE= 2.625 V	e4	40	260	+2.625V	1.6 mm	NO
MIC826YYMT-T5	Microchip Technology	POWER SUPPLY MANAGEMENT CIRCUIT	AUTOMOTIVE	6	VSON	SQUARE	YES	PLASTIC/EPOXY		1	1			NO LEAD		SMALL OUTLINE, VERY THIN PROFILE		.5 mm	125 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	S-PDSO-N6		2.75 V	.6 mm	1.6 mm	2.25 V	THRESHOLD VOLTAGE= 2.188 V	e4			+2.188V	1.6 mm	NO
ISL91211AIIZ-T	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT		54	VFBGA	RECTANGULAR	YES	UNSPECIFIED		1	3			BALL	3.7 V	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA54,6X9,16	.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B54		5.5 V	.55 mm	2.551 mm	2.5 V			NOT SPECIFIED	NOT SPECIFIED	+2.58V	3.67 mm	YES
ISL91211BIIZ-T	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT		54	VFBGA	RECTANGULAR	YES	UNSPECIFIED		1	4			BALL	3.7 V	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA54,6X9,16	.4 mm	85 Cel	-40 Cel		BOTTOM	R-XBGA-B54		5.5 V	.55 mm	2.551 mm	2.5 V			NOT SPECIFIED	NOT SPECIFIED	+2.58V	3.67 mm	YES
ISL91302BIIZ-T	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT		54	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY	.006 mA	1	1			BALL	3.7 V	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA54,6X9,16	.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B54		5.5 V	.55 mm	2.551 mm	2.5 V			NOT SPECIFIED	NOT SPECIFIED	2.6	3.67 mm	YES
MCP1316T-46FE/OT	Microchip Technology	POWER SUPPLY MANAGEMENT CIRCUIT	AUTOMOTIVE	5	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	.01 mA	1	1		TS 16949	GULL WING	3 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	TSOP5/6,.11,37	.95 mm	125 Cel	-40 Cel	MATTE TIN	DUAL	R-PDSO-G5	1	5.5 V	1.45 mm	1.55 mm	1 V		e3		260	+4.6V	2.9 mm	YES
LC051281XA-MH	Onsemi	POWER SUPPLY MANAGEMENT CIRCUIT	OTHER	8	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY	.01 mA	1	1	CMOS		BALL	7 V	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA8(UNSPEC)	.19 mm	85 Cel	-30 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B8	1	8 V	.55 mm	1.01 mm	6 V		e1	30	260	+3.5V	1.11 mm	NO
MC33FS5502Y0ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		56	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	4		AEC-Q100	NO LEAD		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC56,.31SQ,20	.5 mm	125 Cel	-40 Cel	TIN	QUAD	S-PQCC-N56	3	60 V	1 mm	8 mm			e3	40	260	+7.5V	8 mm	YES
MC33FS5502Y0ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		56	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	4		AEC-Q100	NO LEAD		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC56,.31SQ,20	.5 mm	125 Cel	-40 Cel	TIN	QUAD	S-PQCC-N56	3	60 V	1 mm	8 mm			e3	40	260	+7.5V	8 mm	YES
MC33FS5502Y3ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		56	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	4		AEC-Q100	NO LEAD		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC56,.31SQ,20	.5 mm	125 Cel	-40 Cel	TIN	QUAD	S-PQCC-N56	3	60 V	1 mm	8 mm			e3	40	260	+7.5V	8 mm	YES
MPF5023AMBA0ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT																			TIN			3						e3	40	260
MPF5023AMMA0ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT																			TIN			3						e3	40	260
MPF5023AMMA0ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT																			TIN			3						e3	40	260
MPF5023AMBA0ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT																			TIN			3						e3	40	260
MPF5024AVNA0ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT																			TIN			3						e3	40	260
MPF5024AMBA0ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT																			TIN			3						e3	40	260
MPF5024AMMA0ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT																			TIN			3						e3	40	260
BQ21062YFPT	Texas Instruments	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	20	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY	1.6 mA	1	1			BALL	5 V	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA20,4X5,16	.4 mm	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B20	1	5.25 V	.5 mm	1.615 mm	3.15 V		e1	30	260	+2.54V	2.015 mm	YES
MPF7100BVBA0ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVMA0ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVMA1ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVMA1ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVMA3ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVBA0ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVBA1ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVBA4ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVMA0ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVMA2ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVMA4ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BMBA0ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	125 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVBA1ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVBA2ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVBA3ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVBA3ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVMA2ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BMBA0ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	125 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BMMA0ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	125 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVBA2ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVBA4ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVMA3ES	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MPF7100BVMA4ESR2	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1	7		AEC-Q100	NO LEAD	5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		.5 mm	105 Cel	-40 Cel		QUAD	S-PQCC-N48	3	5.5 V	1 mm	7 mm	2.5 V			40	260	+2.8V	7 mm	YES
MWCT1011A3VLH	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT																			TIN			3						e3	40	260
MWCT1001A3VLH	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT		64	LQFP	SQUARE	YES	PLASTIC/EPOXY		1	54		AEC-Q100	GULL WING	3.3 V	FLATPACK, LOW PROFILE	QFP64,.47SQ,20	.5 mm	105 Cel	-40 Cel	TIN	DUAL	S-PQFP-G64	3	3.6 V	1.6 mm	10 mm	2.7 V		e3	40	260	+2.73V	10 mm	YES

Power Management ICs

Power Management ICs (PMICs) are electronic components that are used to regulate and manage the power supply in electronic systems. They are used to optimize power usage, reduce power consumption, and increase battery life in portable devices.

PMICs typically include a range of components such as voltage regulators, power switches, and battery management circuits. Voltage regulators are used to maintain a stable voltage output despite fluctuations in the input voltage or load. Power switches are used to control the flow of power in a circuit, and battery management circuits are used to monitor and manage the charging and discharging of batteries.

PMICs are used in a wide range of applications, including mobile phones, laptops, tablets, and other portable devices. They are also used in automotive electronics, power supplies, and industrial automation systems. PMICs play a critical role in managing power consumption in electronic systems, reducing energy waste and extending battery life.

One of the key advantages of PMICs is their ability to provide multiple functions in a single package, reducing the number of components needed in a system and simplifying design. They also help to improve system reliability by protecting against overvoltage, overcurrent, and overtemperature conditions.