42 Power Management ICs 47

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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	Terminal Form	Nominal Supply Voltage (Vsup)	Power Supplies (V)	Switcher Config	Package Style (Meter)	Package Equivalence Code	Sub-Category	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)	Qualification	Minimum Supply Voltage (Vsup)	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Nominal Threshold Voltage (V)	Length	Adjustable Threshold
NX20P3483UKAZ	NXP Semiconductors	POWER SUPPLY SUPPORT CIRCUIT		42	VFBGA	RECTANGULAR	YES	UNSPECIFIED		1	1		BALL				GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-XBGA-B42	1	20 V	.565 mm	2.51 mm		2.8 V		30	260		2.91 mm	NO
LTM9100IY#PBF	Analog Devices	POWER SUPPLY SUPPORT CIRCUIT	INDUSTRIAL	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY			1.27 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	5.41 mm	9 mm		4.5 V		NOT SPECIFIED	NOT SPECIFIED		22 mm	YES
LTC7051AV#PBF	Analog Devices	POWER SUPPLY SUPPORT CIRCUIT		42	QCCN	RECTANGULAR	YES	PLASTIC/EPOXY		1	1	CMOS	NO LEAD	5 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	125 Cel	-40 Cel		QUAD	R-PQCC-N42	3	5.5 V	1.05 mm	5 mm		4.5 V		30	260	+4.2V	8 mm	NO
BQ25872YFFR	Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT	INDUSTRIAL	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL				GRID ARRAY			.4 mm	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	6 V	.415 mm	2.4 mm		2.8 V	e1	30	260		2.8 mm	YES
BQ25898YFFT	Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT	AUTOMOTIVE	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY	3 mA	1	1		BALL			BUCK	GRID ARRAY			.4 mm	125 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	14 V	.415 mm	2.4 mm		3.9 V	e1	30	260		2.8 mm	YES
BQ25898CYFFT	Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT	AUTOMOTIVE	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY	3 mA	1	1		BALL			BUCK	GRID ARRAY, VERY THIN PROFILE, FINE PITCH			.4 mm	125 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	14 V	.625 mm	2.53 mm		3.9 V	e1	30	260		2.82 mm	NO
BQ25898CYFFR	Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT	AUTOMOTIVE	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY	3 mA	1	1		BALL			BUCK	GRID ARRAY, VERY THIN PROFILE, FINE PITCH			.4 mm	125 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	14 V	.625 mm	2.53 mm		3.9 V	e1	30	260		2.82 mm	NO
BQ25872YFFT	Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT	INDUSTRIAL	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL				GRID ARRAY			.4 mm	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	6 V	.415 mm	2.4 mm		2.8 V	e1	30	260		2.8 mm	YES
BQ25871YFFR	Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT	INDUSTRIAL	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	3.6 V			GRID ARRAY			.4 mm	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	6 V	.415 mm	2.4 mm		2.8 V	e1	30	260		2.8 mm	YES
BQ25898YFFR	Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT	AUTOMOTIVE	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY	3 mA	1	1		BALL			BUCK	GRID ARRAY			.4 mm	125 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	14 V	.415 mm	2.4 mm		3.9 V	e1	30	260		2.8 mm	YES
BQ25898DYFFT	Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT	AUTOMOTIVE	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY	3 mA	1	1		BALL			BUCK	GRID ARRAY			.4 mm	125 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	14 V	.625 mm	2.4 mm		3.9 V	e1	30	260		2.8 mm	YES
BQ25871YFFT	Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT	INDUSTRIAL	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	3.6 V			GRID ARRAY			.4 mm	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	6 V	.415 mm	2.4 mm		2.8 V	e1	30	260		2.8 mm	YES
BQ25898DYFFR	Texas Instruments	POWER SUPPLY SUPPORT CIRCUIT	AUTOMOTIVE	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY	3 mA	1	1		BALL			BUCK	GRID ARRAY			.4 mm	125 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	14 V	.415 mm	2.4 mm		3.9 V	e1	30	260		2.8 mm	YES
LTM9100HY#PBF	Analog Devices	POWER SUPPLY SUPPORT CIRCUIT	INDUSTRIAL	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY			1.27 mm	105 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	5.41 mm	9 mm		4.5 V		NOT SPECIFIED	NOT SPECIFIED		22 mm	YES
LTM9100CY#PBF	Analog Devices	POWER SUPPLY SUPPORT CIRCUIT	COMMERCIAL	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY			1.27 mm	70 Cel	0 Cel		BOTTOM	R-PBGA-B42		5.5 V	5.41 mm	9 mm		4.5 V		NOT SPECIFIED	NOT SPECIFIED		22 mm	YES
MAX14676AEWO+T	Analog Devices	POWER SUPPLY SUPPORT CIRCUIT		42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	8	BICMOS	BALL				GRID ARRAY, VERY THIN PROFILE, FINE PITCH			.5 mm			TIN SILVER COPPER NICKEL	BOTTOM	R-PBGA-B42	1		.69 mm	3.118 mm			e2	30	260		3.497 mm	YES
MAX14676EWO+T	Analog Devices	POWER SUPPLY SUPPORT CIRCUIT		42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	8	BICMOS	BALL				GRID ARRAY, VERY THIN PROFILE, FINE PITCH			.5 mm			TIN SILVER COPPER NICKEL	BOTTOM	R-PBGA-B42	1		.69 mm	3.118 mm			e2	30	260		3.497 mm	YES
MAX14676AEWO+	Analog Devices	POWER SUPPLY SUPPORT CIRCUIT		42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	8	BICMOS	BALL				GRID ARRAY, VERY THIN PROFILE, FINE PITCH			.5 mm			TIN SILVER COPPER NICKEL	BOTTOM	R-PBGA-B42	1		.69 mm	3.118 mm			e2	30	260		3.497 mm	YES
FAN54161UCX	Onsemi	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH			.4 mm	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	6.4 V	.65 mm	2.78 mm		2.66 V	e1	30	260		3.06 mm	YES
NX1A4WPZ	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL				GRID ARRAY, VERY THIN PROFILE, FINE PITCH			.5 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42	1	18 V	.61 mm	3.41 mm		6.1 V			260		3.56 mm	YES
NX1A4WP	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL				GRID ARRAY, VERY THIN PROFILE, FINE PITCH			.5 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		18 V	.61 mm	3.41 mm		6.1 V					3.56 mm	YES
NX2A4WPZ	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	3		BALL				GRID ARRAY, VERY THIN PROFILE, FINE PITCH			.5 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42	1	18 V	.61 mm	3.41 mm		6.1 V					3.56 mm	YES
NX2A4WP	NXP Semiconductors	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	BGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL				GRID ARRAY				85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		18 V				6.1 V						YES
PCA9460AUK	NXP Semiconductors	POWER SUPPLY SUPPORT CIRCUIT		42		RECTANGULAR	YES	PLASTIC/EPOXY		1	9		BALL					BGA42(UNSPEC)			85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V				2.7 V						NO
PCA9460BUK	NXP Semiconductors	POWER SUPPLY SUPPORT CIRCUIT		42		RECTANGULAR	YES	PLASTIC/EPOXY		1	9		BALL					BGA42(UNSPEC)			85 Cel	-40 Cel		BOTTOM	R-PBGA-B42	1	5.5 V				2.7 V			260			NO
PCA9460AUKZ	NXP Semiconductors	POWER SUPPLY SUPPORT CIRCUIT		42		RECTANGULAR	YES	PLASTIC/EPOXY		1	9		BALL					BGA42(UNSPEC)			85 Cel	-40 Cel		BOTTOM	R-PBGA-B42	1	5.5 V				2.7 V			260			NO
PCA9460BUKZ	NXP Semiconductors	POWER SUPPLY SUPPORT CIRCUIT		42		RECTANGULAR	YES	PLASTIC/EPOXY		1	9		BALL					BGA42(UNSPEC)			85 Cel	-40 Cel		BOTTOM	R-PBGA-B42	1	5.5 V				2.7 V			260			NO
MAX8982PEWO+T	Maxim Integrated	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	FBGA	RECTANGULAR	YES	PLASTIC/EPOXY				BICMOS	BALL	5 V	5		GRID ARRAY, FINE PITCH	BGA42,6X7,20	Power Management Circuits	.5 mm	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1				Not Qualified		e1	30	260
MAX8982XEWO+T	Maxim Integrated	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1	BICMOS	BALL	3.3 V	3.3		GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,20	Power Management Circuits	.5 mm	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	5.5 V	.69 mm	3.19 mm	Not Qualified	2.9 V	e1	30	260		3.75 mm	YES
MAX8982AEWO+T	Maxim Integrated	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1	BICMOS	BALL	5 V	5		GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,20	Power Management Circuits	.5 mm	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	R-PBGA-B42	1	5.5 V	.69 mm	3.19 mm	Not Qualified	4.1 V	e1	30	260		3.75 mm	YES
ISL91301AIIZ-T	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT		42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY	.006 mA	1	4		BALL	3.7 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.55 mm	2.57 mm		2.5 V		NOT SPECIFIED	NOT SPECIFIED	2.86	2.919 mm	YES
ISL91301AIIZ-TR5947	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT		42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY	.006 mA	1	4		BALL	3.7 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.55 mm	2.57 mm		2.5 V				2.86	2.919 mm	YES
ISL91301BIIZ-T	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT		42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY	.006 mA	1	4		BALL	3.7 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.55 mm	2.57 mm		2.5 V		NOT SPECIFIED	NOT SPECIFIED	2.86	2.919 mm	YES
DA9211-XXUU6	Renesas Electronics	POWER SUPPLY SUPPORT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	3		BALL	3.7 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.551 mm	2.509 mm		2.8 V		NOT SPECIFIED	NOT SPECIFIED	+2V	2.85 mm	YES
DA9211-XXUU2	Renesas Electronics	POWER SUPPLY SUPPORT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	3		BALL	3.7 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.551 mm	2.509 mm		2.8 V		NOT SPECIFIED	NOT SPECIFIED	+2V	2.85 mm	YES
DA9212-XXUU2	Renesas Electronics	POWER SUPPLY SUPPORT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	3		BALL	3.7 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.551 mm	2.509 mm		2.8 V		NOT SPECIFIED	NOT SPECIFIED	+2V	2.85 mm	YES
DA9212-XXUU6	Renesas Electronics	POWER SUPPLY SUPPORT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	3		BALL	3.7 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.551 mm	2.509 mm		2.8 V		NOT SPECIFIED	NOT SPECIFIED	+2V	2.85 mm	YES
DA9072-XXV36	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT		42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.54 mm	2.66 mm		3.6 V				0.2	2.968 mm	YES
DA9072-XXV32	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT		42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.54 mm	2.66 mm		3.6 V				0.2	2.968 mm	YES
DA9073-XXOH6	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.534 mm	2.68 mm		3.6 V				0.2	2.968 mm	YES
DA9070-XXV32	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42	1	5.5 V	.54 mm	2.66 mm		3.6 V				+0.12V	2.968 mm	YES
DA9073-XXV32	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.534 mm	2.68 mm		3.6 V				0.2	2.968 mm	YES
DA9070-XXV36	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,20		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42	1	5.5 V	.54 mm	2.66 mm		3.6 V				+0.12V	2.968 mm	YES
DA9072-XXOH6	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT		42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.54 mm	2.66 mm		3.6 V				0.2	2.968 mm	YES
DA9073-XXOH2	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.534 mm	2.68 mm		3.6 V				0.2	2.968 mm	YES
DA9073-XXV36	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT	INDUSTRIAL	42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.534 mm	2.68 mm		3.6 V				0.2	2.968 mm	YES
DA9072-XXOH2	Renesas Electronics	POWER SUPPLY MANAGEMENT CIRCUIT		42	VFBGA	RECTANGULAR	YES	PLASTIC/EPOXY		1	1		BALL	5 V			GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA42,6X7,16		.4 mm	85 Cel	-40 Cel		BOTTOM	R-PBGA-B42		5.5 V	.54 mm	2.66 mm		3.6 V				0.2	2.968 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.