LTM4676A
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LTM4676A

Dual 13A or Single 26A μModule Regulator with Digital Power System Management

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 3
1ku List Price Starting From $39.96
Features
  • Dual, Fast, Analog Loops with Digital Interface for Control and Monitoring
  • Wide Input Voltage Range: 4.5V to 26.5V
  • Output Voltage Range: 0.5V to 5.5V
  • ±0.5% Maximum DC Output Error Over Temperature
  • ±2.5% Current Readback Accuracy at 10A Load
  • 400kHz PMBus-Compliant I2C Serial Interface
  • Integrated 16-Bit ΔΣ ADC
  • Supports Telemetry Polling Rates Up to 125Hz
  • Constant Frequency Current Mode Control
  • Parallel and Current Share Multiple Modules
  • All 7-Bit Slave Addresses Supported
  • Pin-Compatible to Dual 18A LTM4677
  • 16mm × 16mm × 5.01mm BGA Package
Readable Data:
  • Input and Output Voltages, Currents, and Temperatures
  • Running Peak Values, Uptime, Faults and Warnings
  • Onboard EEPROM Fault Log Record with ECC

Writable Data and Configurable Parameters:
  • Output Voltage, Voltage Sequencing and Margining
  • Digital Soft-Start/Stop Ramp
  • OV/UV/OT, UVLO, Frequency and Phasing
Additional Details
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The LTM4676A is a dual 13A or single 26A step-down µModule® (micromodule) DC/DC regulator with 40ms turn-on time. It features remote configurability and telemetry-monitoring of power management parameters over PMBus— an open standard I2C-based digital interface protocol . The LTM4676A is comprised of fast analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors and supporting components.

The LTM4676A’s 2-wire serial interface allows outputs to be margined, tuned and ramped up and down at programmable slew rates with sequencing delay times. Input and output currents and voltages, output power, temperatures, uptime and peak values are readable. At start-up, output voltages, switching frequency, and channel phase angle assignments can be set by pin-strapping resistors. The LTpowerPlay GUI and DC1613 USB-to-PMBus converter and demo kits are available.

The LTM4676A is pin-compatible and the improved performance version of the LTM4676.

Part Number Turn-on Start-up Time (MAX) (ms) VIN Range (V) VOUT Range (V) Pin-compatible
LTM4676 170 4.5 to 26.5 0.5V to 4 (CH0)
0.5 to 5.5 (Both CH)
Yes
LTM4676A 70 4.5 to 17 0.5 to 5.5 (Both CH)

Applications

  • System Optimization, Characterization and Data Mining in Prototype, Production and Field Environments

Part Models 3
1ku List Price Starting From $39.96

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

PCN

Jul 21, 2021

- 21_0159

Ink Mark to Laser Mark Conversion for µModule

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LTM4676AIY

PRODUCTION

LTM4676AIY#PBF

PRODUCTION

Feb 28, 2020

- 20_0123

Micro-Module, Test Site Transfer from Analog Devices Singapore to Analog Devices Penang, Malaysia

LTM4676AEY#PBF

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PRODUCTION

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PRODUCTION

Feb 5, 2020

- 20_0127

Supplier Material Change for µModule

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PRODUCTION

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PRODUCTION

LTM4676AIY#PBF

PRODUCTION

Sep 30, 2019

- 19_0217

LTM4676A - Notification of Qualification of New Mold Compound

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PRODUCTION

LTM4676AIY#PBF

PRODUCTION

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Jul 21, 2021

- 21_0159

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Ink Mark to Laser Mark Conversion for µModule

LTM4676AEY#PBF

PRODUCTION

LTM4676AIY

PRODUCTION

LTM4676AIY#PBF

PRODUCTION

Feb 28, 2020

- 20_0123

arrow down

Micro-Module, Test Site Transfer from Analog Devices Singapore to Analog Devices Penang, Malaysia

LTM4676AEY#PBF

PRODUCTION

LTM4676AIY

PRODUCTION

LTM4676AIY#PBF

PRODUCTION

Feb 5, 2020

- 20_0127

arrow down

Supplier Material Change for µModule

LTM4676AEY#PBF

PRODUCTION

LTM4676AIY

PRODUCTION

LTM4676AIY#PBF

PRODUCTION

Sep 30, 2019

- 19_0217

arrow down

LTM4676A - Notification of Qualification of New Mold Compound

LTM4676AEY#PBF

PRODUCTION

LTM4676AIY

PRODUCTION

LTM4676AIY#PBF

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 6

reference details image

DC2204B

LTM4675 + LTM4676A + LTM4677 + LTM4620A Demo Board | PSM μModule Power Stick

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DC2204B

LTM4675 + LTM4676A + LTM4677 + LTM4620A Demo Board | PSM μModule Power Stick

LTM4675 + LTM4676A + LTM4677 + LTM4620A Demo Board | PSM μModule Power Stick

Product Detail

Demonstration circuit 2204B is a very compact demo board that showcases five different devices – LTM4675, LTM4676A, LTM4677, LTM4620A and LTC2974. These devices cover various product lines including DC/DC μModule® regulator with digital power system management (LTM4675, LTM4676A and LTM4677), high current analog DC/DC μModule regulator (LTM4620A) and I2C/SMBus/PMBus power system managers with EEPROM (LTC2974). Please see data sheets for more detailed information.


 


reference details image

DC1989B-A

LTM4676A Demo Board | LTM4676A(x2) Current Shared, PMBus Buck µModule, 4.5V ≤ VIN ≤ 17V, VOUT = 0.5V to 4V @ 50A

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DC1989B-A

LTM4676A Demo Board | LTM4676A(x2) Current Shared, PMBus Buck µModule, 4.5V ≤ VIN ≤ 17V, VOUT = 0.5V to 4V @ 50A

LTM4676A Demo Board | LTM4676A(x2) Current Shared, PMBus Buck µModule, 4.5V ≤ VIN ≤ 17V, VOUT = 0.5V to 4V @ 50A

Product Detail

Demonstration circuit 1989B-A is a high efficiency, high density, μModule regulator with 4.5V to 17V input range. The output voltage is adjustable from 0.5V to 4V, and it can supply 50A maximum load current. The demo board has two LTM4676A μModule regulators, and the LTM4676A is a dual 13A or single 26A step-down regulator with PMBus power system management. Please see LTM4676A data sheet for more detailed information.

reference details image

DC1989B-B

LTM4676A Demo Board | LTM4676A(x3) Current Shared, PMBus Buck µModule, 4.5V ≤ VIN ≤ 17V, VOUT = 0.5V to 4V @ 75A

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DC1989B-B

LTM4676A Demo Board | LTM4676A(x3) Current Shared, PMBus Buck µModule, 4.5V ≤ VIN ≤ 17V, VOUT = 0.5V to 4V @ 75A

LTM4676A Demo Board | LTM4676A(x3) Current Shared, PMBus Buck µModule, 4.5V ≤ VIN ≤ 17V, VOUT = 0.5V to 4V @ 75A

Product Detail

Demonstration circuit 1989B-B is a high efficiency, high density, μModule regulator with 4.5V to 17V input range. The output voltage is adjustable from 0.5V to 4V, and it can supply 75A maximum load current. The demo board has three LTM4676A μModule regulators, and the LTM4676A is a dual 13A or single 26A step-down regulator with PMBus power system management. Please see LTM4676A data sheet for more detailed information.

reference details image

DC1989B-C

LTM4676A Demo Board | LTM4676A(x4) Current Shared, PMBus Buck µModule, 4.5V ≤ VIN ≤ 17V, VOUT = 0.5V to 4V @ 100A

zoom

DC1989B-C

LTM4676A Demo Board | LTM4676A(x4) Current Shared, PMBus Buck µModule, 4.5V ≤ VIN ≤ 17V, VOUT = 0.5V to 4V @ 100A

LTM4676A Demo Board | LTM4676A(x4) Current Shared, PMBus Buck µModule, 4.5V ≤ VIN ≤ 17V, VOUT = 0.5V to 4V @ 100A

Product Detail

Demonstration circuit 1989B-C is a high efficiency, high density, μModule regulator with 4.5V to 17V input range. The output voltage is adjustable from 0.5V to 4V, and it can supply 100A maximum load current. The demo board has four LTM4676A μModule regulators. The LTM4676A is a dual 13A or single 26A step-down regulator with PMBus power system management. Please see LTM4676A data sheet for more detailed information.

reference details image

DC1811B-B

LTM4676A Demo Board | Step-Down μModule Regulator with PMBus, 4.5V ≤ VIN ≤ 17V, VOUT0 = 1V @ 13A, VOUT1 = 1.8V @ 13A

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DC1811B-B

LTM4676A Demo Board | Step-Down μModule Regulator with PMBus, 4.5V ≤ VIN ≤ 17V, VOUT0 = 1V @ 13A, VOUT1 = 1.8V @ 13A

LTM4676A Demo Board | Step-Down μModule Regulator with PMBus, 4.5V ≤ VIN ≤ 17V, VOUT0 = 1V @ 13A, VOUT1 = 1.8V @ 13A

Product Detail

Demonstration circuit 1811B-B is a dual-output, high efficiency, high density, µModule® regulator with 4.5V to 26.5V input range. Each output can supply 13A maximum load current. The demo board has a LTM4676A µModule regulator, which is a dual 13A or single 26A step-down regulator with PMBus power system management. Please see LTM4676A data sheet for more detailed information.

The DC1811B-B powers up to default settings and produces power based on configuration resistors without the need for any serial bus communication. This allows easy evaluation of the DC/DC converter. To fully explore the extensive power system management features of the part, download the GUI software LTpowerPlay® onto your PC and use ADI’s I2C/SMBus/PMBus dongle DC1613A to connect to the board. LTpowerPlay allows the user to reconfigure the part on-the-fly and store the configuration in EEPROM, view telemetry of voltage, current, temperature and fault status.

reference details image

DC2106B-B

LTM4676AEY/LTM4630EV Demo Board | PMBus Buck µModule (LTM4676A) + LTM4630 (x3), 4.5V ≤ VIN ≤ 16V, VOUT = 0.5V to 1.8V @ 130A

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DC2106B-B

LTM4676AEY/LTM4630EV Demo Board | PMBus Buck µModule (LTM4676A) + LTM4630 (x3), 4.5V ≤ VIN ≤ 16V, VOUT = 0.5V to 1.8V @ 130A

LTM4676AEY/LTM4630EV Demo Board | PMBus Buck µModule (LTM4676A) + LTM4630 (x3), 4.5V ≤ VIN ≤ 16V, VOUT = 0.5V to 1.8V @ 130A

Product Detail

Demonstration circuit 2106B-B is a high efficiency, high density, paralleled, multi-chip μModule regulator solution with a 4.5V to 16V input range and 130A  of output current. The output voltage (1V default value) is adjustable from 0.5V to 1.8V. The demo board has 1× LTM4676A acting as the master controller, and 3× LTM4630 μModule slave controllers. All devices having their outputs paralleled to provide 130A of current. Please see the LTM4676A and LTM4630 data sheets for more detailed information.

Tools & Simulations

Tools & Simulations 2

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Reference Designs

Reference Designs 1

Monolithic Power Tree Solution for the ZU7 FPGA

Zynq UltraScale+ MPSoC ZCU104 Paper Reference Design

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ZCU104

Zynq UltraScale+ MPSoC ZCU104 Paper Reference Design

ZCU104

Circuits from the lab

tooltip Info:Circuits from the lab
Zynq UltraScale+ MPSoC ZCU104 Paper Reference Design

Features and Benefits

  • The ZCU104 Evaluation Kit enables designers to jumpstart designs for embedded vision applications such as surveillance, Advanced Driver Assisted Systems (ADAS), machine vision, Augmented Reality (AR), drones and medical imaging.

  • The ADI Power delivery solutions support multiple reference designs using DC/DC module and monolithic solutions. ADI offers several options for powering the Zu7 FPGA.

  • Our module-based solutions combine a small footprint, while maximizing efficiency and tight regulation. Our monolithic based solutions support a lower cost optimized power delivery solution for mass production.

  • ADI provides supporting documentation to enable you to validate the power solution for your application seamlessly.

  • For a complete list power designs and use cases, please contact your local FAE.

  • Please refer to the circuit descriptions below that best support your design.
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