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Home Products Integrated Circuits (ICs)PMIC - Power Supply Controllers, Monitors~~LTC2923CMS#TRPBF~~

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LTC2923CMS#TRPBF - Analog Devices Inc.

Name: Analog Devices Inc. LTC2923CMS#TRPBF
Brand: Analog Devices Inc.
SKU: LTC2923CMS#TRPBF
Availability: InStock
Rating: 5 (1 reviews)

Manufacturer Part Number: LTC2923CMS#TRPBF

Manufacturer: Analog Devices, Inc.

Allelco Part Number: 32D-LTC2923CMS#TRPBF

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 8,191 pcs available, New & Original

Parts Description: IC PWR SUPPLY CONTROLLER 10MSOP

Package: 10-MSOP

Data sheet: LTC2923CMS#TRPB.pdf

Datasheets
Cylindrical Battery Holders.pdf

Environmental Information
Material Declaration LTC2923CMS#TRPBF.pdf

PCN Design/Specification
Cylindrical Battery Holders.pdf

Other Related Documents
Tape and Reel Packaging.pdf

RoHs Status: ROHS3 Compliant

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In stock: 8191

Specifications

LTC2923CMS#TRPBF Tech Specifications
Analog Devices Inc. - LTC2923CMS#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC2923CMS#TRPBF

Product Attribute	Attribute Value
Manufacturer	Analog Devices, Inc.
Voltage - Supply	2.9V ~ 5.5V
Voltage - Input	-
Supplier Device Package	10-MSOP
Series	-
Package / Case	10-TFSOP, 10-MSOP (0.118', 3.00mm Width)

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Base Product Number	LTC2923
Applications	Power Supply Controller, Sequencer

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

LTC2923CMS#TRPBF (1)

Manufacturer Part Number

LTC2923CMS#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC2923 Power Supply Sequencer for managing power-up and power-down sequences across multiple power domains.

Product Features and Performance

Integrated sequencing control

Adjustable timer and sequence steps

Monitors up to four supplies

Power-up and power-down control

Product Advantages

Helps prevent system damage due to incorrect power sequencing

Reduces design complexity

Saves board space with 10-MSOP packaging

Key Technical Parameters

Voltage - Supply: 2.9V ~ 5.5V

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 10-TFSOP, 10-MSOP

Quality and Safety Features

Built-in overvoltage protection

Undervoltage lockout

Thermal shutdown feature

Compatibility

Compatible with a wide range of voltage supplies and integrated circuits

Application Areas

Computing systems

Networking equipment

Industrial applications

Consumer electronics

Product Lifecycle

Status: Active

No indication of discontinuation

Replacement or upgrades might be offered in the future

Key Reasons to Choose This Product

Effective power management for complex systems

Scalable to various electronics platforms

Longevity and active status ensure supply continuity

High reliability and safety features reduce risk of failure

Easy integration into system design due to surface mount form factor

Frequently Asked Questions(FAQ)

How does the LTC2923CMS#TRPBF handle sequencing for multiple power rails in a high-reliability system, and what are the key timing parameters to consider when designing with this controller?: The LTC2923CMS#TRPBF is designed as a precision power supply sequencer that manages the turn-on and turn-off order of multiple voltage rails to protect downstream components during power-up and brownout conditions. It supports up to eight configurable sequencing channels, allowing engineers to define custom delay sequences between rail activations using external resistors. For instance, typical sequencing delays range from 10ms to several seconds, depending on resistor values chosen. The device ensures monotonic ramp control by monitoring internal reference thresholds and enabling outputs only after previous rails reach a stable state. When integrating into a system requiring strict sequencing—such as FPGAs or microprocessors—designers must account for propagation delays through the feedback networks and ensure compatibility with the 2.9V to 5.5V operating range. Proper layout and decoupling are critical due to its surface-mount 10-MSOP package and sensitivity to noise at higher input voltages.

What are the differences in performance and application suitability between the LTC2923CMS#TRPBF and the LTC2924CMS#TRPBF, particularly regarding fault detection and response time?: While both devices belong to the same family and share similar packaging (10-MSOP) and supply voltage ranges (2.9V–5.5V), the LTC2923CMS#TRPBF focuses primarily on sequencing control without built-in overvoltage protection, whereas the LTC2924 includes integrated overvoltage detection circuitry. This makes the LTC2924 more suitable for applications where undervoltage and overvoltage conditions require immediate shutdown. In terms of response time, the LTC2923 typically exhibits a propagation delay of around 50μs from threshold crossing to output change, which is sufficient for most digital logic sequencing but may be too slow for fast-protecting analog loads. The absence of overvoltage monitoring in the LTC2923 means designers must implement additional protection circuits externally if required, increasing board complexity but offering greater flexibility in threshold configuration via external components.

Can the LTC2923CMS#TRPBF be used in automotive-grade applications, or are there environmental limitations due to its operating temperature range?: The LTC2923CMS#TRPBF is rated for industrial temperatures from 0°C to 70°C, which limits its use in harsh environments such as automotive under-hood systems or outdoor industrial equipment that may experience extended exposure below freezing or above 70°C. Automotive-qualified versions often require AEC-Q100 certification and broader temperature ranges (e.g., -40°C to +125°C). Since the part lacks such qualification and operates only within 0°C to 70°C, it is generally unsuitable for direct deployment in automotive applications unless additional thermal management or environmental controls are implemented. However, it remains viable for office or commercial electronics where ambient conditions remain stable within specification.

What is the significance of the Moisture Sensitivity Level (MSL) rating of 1 for the LTC2923CMS#TRPBF, and how should it affect manufacturing handling procedures?: With an MSL rating of 1, the LTC2923CMS#TRPBF is considered non-critical in terms of moisture absorption, meaning it can withstand unlimited storage time at standard reflow conditions without special pre-drying requirements. This simplifies manufacturing logistics and reduces costs associated with humidity-controlled packaging or bake-out cycles before soldering. As a result, assemblers can process tape-and-reel shipments directly upon receipt, provided they adhere to standard JEDEC guidelines for handling Class 3B moisture-sensitive devices. This characteristic supports efficient high-volume production runs typical in consumer or industrial electronics manufacturing.

How does the supply voltage range of 2.9V to 5.5V influence the choice of downstream regulators when using the LTC2923CMS#TRPBF as a sequencer?: The LTC2923CMS#TRPBF operates from a wide supply window spanning 2.9V to 5.5V, which allows it to interface cleanly with both low-voltage digital systems (e.g., 3.3V FPGAs) and legacy 5V logic families. However, this flexibility imposes constraints on regulator selection: downstream LDOs or buck converters must accept inputs within this range and provide stable outputs even as the sequencer’s supply fluctuates. For example, if the sequencer powers up at 3.0V, any connected regulator must still deliver accurate output despite marginal input headroom. Additionally, noise coupling from switching regulators operating near the upper end of the supply range could interfere with the LTC2923’s internal comparators, necessitating careful PCB layout and filtering.

Are there known design considerations when interfacing the LTC2923CMS#TRPBF with optocouplers or isolated power supplies in galvanically separated domains?: Yes, when using the LTC2923CMS#TRPBF across isolated domains (e.g., primary-to-secondary isolation in SMPS designs), special attention must be paid to signal integrity and common-mode transient immunity. The sequencer’s enable/disable signals may need level-shifting or isolation barriers to prevent ground loops or latch-up. While the part itself does not integrate isolation, its low quiescent current (~10µA typical) minimizes loading on isolated feedback paths. However, long traces or parasitic capacitance in isolated planes can introduce delays that disrupt precise sequencing timing, requiring simulation or empirical validation during prototyping.

How does the RoHS3 compliance status of the LTC2923CMS#TRPBF impact material selection and regulatory documentation in global markets?: RoHS3 compliance confirms that the LTC2923CMS#TRPBF adheres to European Union regulations restricting hazardous substances including lead, mercury, cadmium, hexavalent chromium, PBB, PBDE, and four phthalates (DEHP, BBP, DBP, DIBP). This ensures the component is suitable for sale in EU markets without additional testing or exemptions. For OEMs exporting products worldwide, this status simplifies compliance dossiers and reduces risk of customs rejection. Documentation typically requires only a declaration of conformity referencing IEC 62321 test results, avoiding the need for full batch-level analysis unless requested by auditors.

What role does the base product number LTC2923 play in selecting compatible evaluation boards and development tools for prototyping with the CMS#TRPBF variant?: The base product number LTC2923 identifies all variants of this power sequencing controller, including different packages (e.g., MSOP, TSSOP) and temperature grades. Evaluation boards like the DC2386 often target the base model regardless of specific suffixes, providing a consistent platform for testing sequencing algorithms. Engineers can leverage these resources to validate timing configurations before committing to PCB layout, reducing redesign iterations. Compatibility extends to software tools for configuring delay times and monitoring status flags, though some features may vary slightly between package types due to pin count or thermal characteristics.

Given its surface-mount 10-MSOP package, what are the recommended land pattern dimensions and thermal relief strategies when placing the LTC2923CMS#TRPBF on a high-density PCB?: The 10-MSOP package measures 3.00mm width with a 0.5mm pitch, demanding precise pad geometry to ensure reliable solder joints. IPC-7351 standards suggest rectangular pads slightly shorter than the lead length (typically 0.6–0.8mm) with 0.25mm spacing. Thermal relief spokes should connect each pad to the plane with narrow traces to balance heat dissipation during reflow while preventing tombstoning. Due to the part’s relatively low power dissipation (<1mW), excessive copper area isn’t necessary, but adequate grounding beneath the package aids in stabilizing internal references sensitive to noise.

In what scenarios would one choose the LTC2923CMS#TRPBF over discrete sequencing solutions involving comparators and RC timers?: The LTC2923CMS#TRPBF offers significant advantages over discrete approaches in systems requiring tight timing accuracy, low drift over temperature, or multiple synchronized rails. Integrated hysteresis and reference stability reduce calibration needs compared to resistor-capacitor networks vulnerable to tolerance stack-up. Its programmable delays via single resistor per channel simplify configuration versus multi-stage RC chains prone to skew. Additionally, the IC consumes less board space and power, making it preferable for compact designs where reliability and reproducibility outweigh cost savings from discrete components.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC2923CMS#TRPBF

Product Attribute
Part Number	LTC2923IMS#TRPBF	LTC2923CMS#PBF	LTC2923CDE#TRPBF	LTC2924CGN#TRPBF
Manufacturer	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Applications	-	-	-	-
Voltage - Input	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Series	-	-	-	-
Voltage - Supply	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Mounting Type	-	Surface Mount	Through Hole	Surface Mount

LTC2923CMS#TRPBF Datasheet PDF

Download LTC2923CMS#TRPBF pdf datasheets and Analog Devices Inc. documentation for LTC2923CMS#TRPBF - Analog Devices Inc..

Datasheets: Cylindrical Battery Holders.pdf
Environmental Information: Material Declaration LTC2923CMS#TRPBF.pdf
PCN Design/Specification: Cylindrical Battery Holders.pdf
Other Related Documents: Tape and Reel Packaging.pdf

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Customer Reviews

Evaluation: 10 Articles

Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
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