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PMBus Power System Managers

Analog Devices Inc. LTC2977, LTC2975, LTC2980, LTM2987 PMBus Power System Managers can be powered from 3.3V, or 4.5V to 15V. The PMBus managers are designed to margin, supervise, sequence, and trim 4, 8, and 16-channel power supplies. Supply disturbances are minimized for DACs using a proprietary soft-connect algorithm. Overvoltage and undervoltage threshold limits for power supply output and input channels are some of the supervisory functions included. When monitoring microprocessor activity for a stalled condition the watchdog timer resets the microprocessor if necessary. No additional software is needed with autonomous operation supported by configuration EEPROM.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Product	Sensing Method	Supply Voltage - Max	Supply Voltage - Min	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package/Case	Qualification	Packaging
	Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I LTC2975IUP#WPBF Analog Devices 1: $44.38 465In Stock	Mfr. Part No. LTC2975IUP#WPBF Mouser Part No 584-LTC2975IUPWPB	Analog Devices	Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I Learn More about Analog Devices adi pmbus managers	Datasheet	465In Stock	$44.38 $35.93 $33.82 $32.41 $30.38	Min.: 1 Mult.: 1 Max.: 372			Power Monitors	High or Low Side	15 V	3.13 V	10 mA	- 40 C	+ 105 C	SMD/SMT	QFN-64	AEC-Q100	Tube
	Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O LTC2977CUP#TRPBF Analog Devices 1: $46.88 1,977In Stock	Mfr. Part No. LTC2977CUP#TRPBF Mouser Part No 584-LTC2977CUP#TRPBF	Analog Devices	Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O Learn More about Analog Devices adi pmbus managers	Datasheet	1,977In Stock	Cut Tape $46.88 $37.94 $35.73 $34.24 $32.11 $32.11 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,581			Power Monitors	High or Low Side	15 V	3.13 V	10 mA	0 C	+ 70 C	SMD/SMT	QFN-64		Reel, Cut Tape, MouseReel
	Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O LTC2977IUP#TRPBF Analog Devices 1: $53.83 735In Stock 3,250Expected 22/10/2026	Mfr. Part No. LTC2977IUP#TRPBF Mouser Part No 584-LTC2977IUP#TRPBF	Analog Devices	Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O Learn More about Analog Devices adi pmbus managers	Datasheet	735In Stock 3,250Expected 22/10/2026	Cut Tape $53.83 $43.57 $41.02 $39.32 $36.86 $36.86 MouseReel Available	Min.: 1 Mult.: 1 Max.: 588			Power Monitors	High or Low Side	15 V	3.13 V	10 mA	- 40 C	+ 105 C	SMD/SMT	QFN-64		Reel, Cut Tape, MouseReel
	Current & Power Monitors & Regulators 16-Ch Module PMBus Pwr S Manager LTM2987IY#PBF Analog Devices 1: $100.07 185In Stock	Mfr. Part No. LTM2987IY#PBF Mouser Part No 584-LTM2987IY#PBF	Analog Devices	Current & Power Monitors & Regulators 16-Ch Module PMBus Pwr S Manager Learn More about Analog Devices adi pmbus managers	Datasheet	185In Stock	$100.07 $82.65 $78.30 $77.32	Min.: 1 Mult.: 1 Max.: 731			Power Monitors	High or Low Side	15 V	4.5 V	10 mA	- 40 C	+ 105 C	SMD/SMT	BGA-144		Tray
	Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I LTC2975CUP#PBF Analog Devices 1: $42.00 91In Stock	Mfr. Part No. LTC2975CUP#PBF Mouser Part No 584-LTC2975CUP#PBF	Analog Devices	Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I Learn More about Analog Devices adi pmbus managers	Datasheet	91In Stock	$42.00 $33.95 $31.09 $29.48 View $28.55 $28.26	Min.: 1 Mult.: 1			Power Monitors	High or Low Side	15 V	3.13 V	10 mA	- 40 C	+ 105 C	SMD/SMT	QFN-64		Tube
	Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I LTC2975IUP#TRPBF Analog Devices 1: $47.60 280In Stock	Mfr. Part No. LTC2975IUP#TRPBF Mouser Part No 584-LTC2975IUP#TRPBF	Analog Devices	Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I Learn More about Analog Devices adi pmbus managers	Datasheet	280In Stock	Cut Tape $47.60 $38.58 $36.33 $34.88 $34.88 MouseReel Available	Min.: 1 Mult.: 1 Max.: 244							10 mA			SMD/SMT	QFN-64		Reel, Cut Tape, MouseReel
	Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O LTC2977IUP#PBF Analog Devices 1: $53.84 338In Stock 800Expected 14/10/2026	Mfr. Part No. LTC2977IUP#PBF Mouser Part No 584-LTC2977IUP#PBF	Analog Devices	Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O Learn More about Analog Devices adi pmbus managers	Datasheet	338In Stock 800Expected 14/10/2026	$53.84 $43.59 $41.03 $39.32	Min.: 1 Mult.: 1 Max.: 270			Power Monitors	High or Low Side	15 V	3.13 V	10 mA	- 40 C	+ 105 C	SMD/SMT	QFN-64		Tube
	Current & Power Monitors & Regulators 16-Ch PMBus Pwr S Manager LTC2980IY#PBF Analog Devices 1: $80.48 134In Stock	Mfr. Part No. LTC2980IY#PBF Mouser Part No 584-LTC2980IY#PBF	Analog Devices	Current & Power Monitors & Regulators 16-Ch PMBus Pwr S Manager Learn More about Analog Devices adi pmbus managers	Datasheet	134In Stock	$80.48 $65.78 $62.10 $60.37	Min.: 1 Mult.: 1 Max.: 107			Power Monitors	High or Low Side	15 V	3.13 V	10 mA	- 40 C	+ 105 C	SMD/SMT	BGA-144		Tray
	Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O LTC2977IUP#WPBF Analog Devices 1: $57.51 26In Stock	Mfr. Part No. LTC2977IUP#WPBF Mouser Part No 584-LTC2977IUP#WPBF	Analog Devices	Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O	Datasheet	26In Stock	$57.51 $46.84 $43.06 $38.98 View $37.13 Quote	Min.: 1 Mult.: 1			Power Monitors	High or Low Side	15 V	3.13 V	10 mA	- 40 C	+ 105 C	SMD/SMT		AEC-Q100	Tube