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PCA9420/PCA9421 Power Management ICs (PMICs)

NXP Semiconductors PCA9420/PCA9421 Power Management ICs (PMICs) are targeted to provide a complete power management solution for low-power microcontrollers or similar applications. These devices integrate two step-down (buck) DC-DC converters with I²C programmable output voltage. Both buck regulators have integrated high-side and low-side switches and related control circuitry to minimize the external component counts; a Pulse-Frequency Modulation (PFM) approach is utilized to achieve better efficiency under light load conditions.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Series	Type	Mounting Style	Package/Case	Output Current	Input Voltage, Max	Input Voltage, Min	Maximum Output Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Input Current	Packaging
	Power Management Specialised - PMIC PCA9420BS PCA9420BSAZ NXP Semiconductors 1: £2.40 5,916In Stock	Mfr. Part No. PCA9420BSAZ Mouser Part No 771-PCA9420BSAZ	NXP Semiconductors	Power Management Specialised - PMIC PCA9420BS Learn More about NXP Semiconductors nxp pca9420 pmic	Datasheet	5,916In Stock	Cut Tape £2.40 £1.89 £1.77 £1.64 Reel £1.48 View £1.58 £1.57 £1.42 £1.39	Min.: 1 Mult.: 1 : 1,400			PCA9420	Processor PMIC	SMD/SMT	HVQFN-24	1 mA, 250 mA, 500 mA			3.3 V	- 40 C	+ 85 C		Reel, Cut Tape
	Power Management Specialised - PMIC Power Management IC for i.MX RT PCA9421BSZ NXP Semiconductors 1: £2.60 1,125In Stock	Mfr. Part No. PCA9421BSZ Mouser Part No 771-PCA9421BSZ	NXP Semiconductors	Power Management Specialised - PMIC Power Management IC for i.MX RT Learn More about NXP Semiconductors nxp pca9420 pmic	Datasheet	1,125In Stock	Cut Tape £2.60 £1.96 £1.80 £1.62 Reel £1.44 View £1.53 £1.52 £1.35 £1.34	Min.: 1 Mult.: 1 : 1,400			PCA9421	Processor PMIC	SMD/SMT	HVQFN-24	1 mA, 250 mA, 500 mA			3.3 V	- 40 C	+ 85 C		Reel, Cut Tape
	Power Management Specialised - PMIC Power Management IC for i.MX RT PCA9420UKZ NXP Semiconductors 1: £2.65 6,517In Stock	Mfr. Part No. PCA9420UKZ Mouser Part No 771-PCA9420UKZ	NXP Semiconductors	Power Management Specialised - PMIC Power Management IC for i.MX RT Learn More about NXP Semiconductors nxp pca9420 pmic	Datasheet	6,517In Stock	Cut Tape £2.65 £1.99 £1.82 £1.64 Reel £1.42 View £1.56 £1.55 £1.50 £1.39 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			PCA9420	Processor PMIC	SMD/SMT	WLCSP-25	1 mA, 250 mA, 500 mA			3.3 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
	Power Management Specialised - PMIC Power Management IC for i.MX RT/MCX PCA9421UKZ NXP Semiconductors 1: £2.57 500Expected 05/10/2026	Mfr. Part No. PCA9421UKZ Mouser Part No 771-PCA9421UKZ	NXP Semiconductors	Power Management Specialised - PMIC Power Management IC for i.MX RT/MCX Learn More about NXP Semiconductors nxp pca9420 pmic	Datasheet	500Expected 05/10/2026	Cut Tape £2.57 £1.92 £1.75 £1.58 View Reel £1.34 £1.49 £1.47 £1.39 £1.34	Min.: 1 Mult.: 1 : 3,000			PCA9421	Processor PMIC	SMD/SMT	WLCSP-25	1 mA, 250 mA, 500 mA			3.3 V	- 40 C	+ 85 C		Reel, Cut Tape
	Power Management Specialised - PMIC PCA9420AUK PCA9420AUKZ NXP Semiconductors 3,000: £1.43 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9420AUKZ Mouser Part No 771-PCA9420AUKZ	NXP Semiconductors	Power Management Specialised - PMIC PCA9420AUK Learn More about NXP Semiconductors nxp pca9420 pmic		Non-Stocked Lead-Time 26 Weeks	Reel £1.43	Min.: 3,000 Mult.: 3,000 : 3,000			PCA9420	Processor PMIC	SMD/SMT	WLCSP-25	1 mA, 250 mA, 500 mA			3.3 V	- 40 C	+ 85 C		Reel
	Power Management Specialised - PMIC PCA9420FUK PCA9420FUKZ NXP Semiconductors 3,000: £1.41 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9420FUKZ Mouser Part No 771-PCA9420FUKZ	NXP Semiconductors	Power Management Specialised - PMIC PCA9420FUK Learn More about NXP Semiconductors nxp pca9420 pmic		Non-Stocked Lead-Time 26 Weeks	Reel £1.41	Min.: 3,000 Mult.: 3,000 : 3,000			PCA9420	Processor PMIC	SMD/SMT	WLCSP-25	1 mA, 250 mA, 500 mA			3.3 V	- 40 C	+ 85 C		Reel
	Power Management Specialised - PMIC PCA9420HUK PCA9420HUKZ NXP Semiconductors 3,000: £1.49 Non-Stocked Lead-Time 26 Weeks New Product	Mfr. Part No. PCA9420HUKZ Mouser Part No 771-PCA9420HUKZ New Product	NXP Semiconductors	Power Management Specialised - PMIC PCA9420HUK		Non-Stocked Lead-Time 26 Weeks	Reel £1.49	Min.: 3,000 Mult.: 3,000 : 3,000			PCA9420											Reel
	Power Management Specialised - PMIC PCA9420KUK PCA9420KUKZ NXP Semiconductors 3,000: £1.42 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9420KUKZ Mouser Part No 771-PCA9420KUKZ	NXP Semiconductors	Power Management Specialised - PMIC PCA9420KUK	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel £1.42	Min.: 3,000 Mult.: 3,000 : 3,000			PCA9420		SMD/SMT	WLCSP-25					- 40 C	+ 85 C	85 mA	Reel