Current & Power Monitors & Regulators

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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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Part #

Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I

LTC2975IUP#WPBF
Analog Devices
1: $40.58
457In 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

Datasheet

457In Stock

$40.58

$32.79

$30.02

$28.48

View

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

AEC-Q100

Tube

Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I

LTC2975CUP#PBF
Analog Devices
1: $38.46
172In 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

Datasheet

172In Stock

$38.46

$31.01

$28.36

$26.87

View

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#PBF
Analog Devices
1: $43.19
108In Stock
360Expected 15/10/2026

Mfr. Part No.
LTC2975IUP#PBF

Mouser Part No
584-LTC2975IUP#PBF

Analog Devices

Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I

Learn More

Datasheet

108In Stock

360Expected 15/10/2026

$43.19

$35.05

$31.43

$30.57

$29.62

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: $43.41
966In 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

Datasheet

966In Stock

Cut Tape

$43.41

$35.14

$33.09

$31.72

View

Reel

$28.10

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

10 mA

SMD/SMT

QFN-64

Reel, Cut Tape, MouseReel

Current & Power Monitors & Regulators 16-Ch PMBus Pwr S Manager

LTC2980IY#PBF
Analog Devices
1: $72.08
223In 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

Datasheet

223In Stock

$72.08

$59.23

$56.02

$51.49

$51.34

Min.: 1
Mult.: 1

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: $49.06
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

$49.06

$39.85

$36.57

$34.73

$33.67

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

Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O

LTC2977CUP#PBF
Analog Devices
1: $42.73
1,000In Stock

Mfr. Part No.
LTC2977CUP#PBF

Mouser Part No
584-LTC2977CUP#PBF

Analog Devices

Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O

Learn More

Datasheet

1,000In Stock

$42.73

$34.56

$31.66

$30.03

$29.09

Min.: 1
Mult.: 1

Power Monitors

High or Low Side

15 V

3.13 V

10 mA

0 C

+ 70 C

SMD/SMT

QFN-64

Tube

Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O

LTC2977CUP#TRPBF
Analog Devices
1: $42.73
2,000Expected 11/9/2026

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

Datasheet

2,000Expected 11/9/2026

Cut Tape

$42.73

$34.56

$32.52

$30.68

View

Reel

$27.58

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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#PBF
Analog Devices
1: $48.52
2,135On Order

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

Datasheet

2,135On Order

$48.52

$39.41

$36.16

$34.35

$33.29

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 8-Ch PMBus Pwr S Manager Featuring Acc O

LTC2977IUP#TRPBF
Analog Devices
1: $48.52
1,019In Stock
4,000Expected 2/10/2026

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

Datasheet

1,019In Stock

4,000Expected 2/10/2026

Cut Tape

$48.52

$39.41

$37.13

$35.75

$34.14

Reel

$34.14

MouseReel Available

Min.: 1
Mult.: 1
Max.: 250

: 2,000

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 24 Channel PMBus PSM

LTC2980AY-24#PBF
Analog Devices
1: $95.96
840On Order

Mfr. Part No.
LTC2980AY-24#PBF

Mouser Part No
584-LTC2980AY24PBF

Analog Devices

Current & Power Monitors & Regulators 24 Channel PMBus PSM

Learn More

Datasheet

840On Order

$95.96

$79.26

$75.09

$74.15

Min.: 1
Mult.: 1

Power Monitors

High or Low Side

15 V

3.13 V

10 mA

- 40 C

+ 105 C

SMD/SMT

BGA-210

Tray

Current & Power Monitors & Regulators 16-Ch Module PMBus Pwr S Manager

LTM2987IY#PBF
Analog Devices
1: $90.98
1,322On Order

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

Datasheet

1,322On Order

$90.98

$75.15

$71.18

$70.30

Min.: 1
Mult.: 1

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 8-Ch PMBus Pwr S Manager Featuring Acc O

LTC2977IUP#WTRPBF
Analog Devices
2,000: $31.97
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC2977IUP#WTRPBF

Mouser Part No
584-2977IUP#WTRPBF

Analog Devices

Current & Power Monitors & Regulators 8-Ch PMBus Pwr S Manager Featuring Acc O

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$31.97

Min.: 2,000
Mult.: 2,000

: 2,000

AEC-Q100

Reel

Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I

LTC2975CUP#TRPBF
Analog Devices
2,000: $24.64
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
LTC2975CUP#TRPBF

Mouser Part No
584-LTC2975CUP#TRPBF

Analog Devices

Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

Reel

$24.64

Min.: 2,000
Mult.: 2,000

: 2,000

10 mA

SMD/SMT

QFN-64

Reel

Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I

LTC2975IUP#WTRPBF
Analog Devices
2,000: $26.13
Non-Stocked Lead-Time 43 Weeks

Mfr. Part No.
LTC2975IUP#WTRPBF

Mouser Part No
584-LTC2975IUPWTRPB

Analog Devices

Current & Power Monitors & Regulators 4-Ch PMBus Pwr S Manager Featuring Acc I

Learn More

Datasheet

Non-Stocked Lead-Time 43 Weeks

Reel

$26.13

Min.: 2,000
Mult.: 2,000

: 2,000

Current Monitors

15 V

4.5 V

10 mA

- 40 C

+ 105 C

SMD/SMT

QFN-64

AEC-Q100

Reel

Current & Power Monitors & Regulators 16-Ch PMBus Pwr S Manager

LTC2980CY#PBF
Analog Devices
1: $63.38
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC2980CY#PBF

Mouser Part No
584-LTC2980CY#PBF

Analog Devices

Current & Power Monitors & Regulators 16-Ch PMBus Pwr S Manager

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

$63.38

$51.88

$49.01

$44.95

View

Min.: 1
Mult.: 1

10 mA

SMD/SMT

BGA-144

Tray

Current & Power Monitors & Regulators 16-Ch Module PMBus Pwr S Manager

LTM2987CY#PBF
Analog Devices
1: $87.23
Lead-Time 14 Weeks

Mfr. Part No.
LTM2987CY#PBF

Mouser Part No
584-LTM2987CY#PBF

Analog Devices

Current & Power Monitors & Regulators 16-Ch Module PMBus Pwr S Manager

Learn More

Datasheet

Lead-Time 14 Weeks

$87.23

$72.08

$68.29

$63.72

$63.70

Min.: 1
Mult.: 1

10 mA

BGA-144

Tray

PMBus Power System Managers

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