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Home Products Integrated Circuits (ICs)Specialized ICs~~LTC2925CGN~~

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LTC2925CGN - Linear Technology / Analog Devices

Name: Linear Technology / Analog Devices LTC2925CGN
Brand: Linear Technology / Analog Devices
SKU: LTC2925CGN
Availability: InStock
Rating: 5 (7 reviews)

Manufacturer Part Number: LTC2925CGN

Manufacturer: Linear Technology

Allelco Part Number: 32D-LTC2925CGN

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 10,210 pcs available, New & Original

Parts Description: DAC91001

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 10210

Specifications

LTC2925CGN Tech Specifications
Linear Technology / Analog Devices - LTC2925CGN technical specifications, attributes, parameters and parts with similar specifications to Linear Technology / Analog Devices - LTC2925CGN

Product Attribute	Attribute Value
Part Number	LTC2925CGN
Package	DAC91001
Description	DAC91001
Stock Condition	Get 10210 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Linear Technology
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

How does the LTC2925CGN compare to other power monitoring ICs in terms of input voltage range and measurement resolution, and what design implications arise when selecting it for a 48V industrial system?: The LTC2925CGN supports a wide input voltage range up to 60V, making it suitable for intermediate bus architectures and industrial applications involving 48V rails. With its 12-bit ADC, it provides a resolution of approximately 14.7 mV per least significant bit at full scale, enabling precise current and voltage tracking over time. This level of granularity allows engineers to detect subtle load transients or degradation in real time—critical for predictive maintenance in harsh environments. When compared to lower-resolution alternatives like 10-bit devices, the LTC2925CGN offers finer dynamic range, which reduces quantization error and improves diagnostic accuracy in fault detection algorithms.

What are the key differences between the LTC2925CGN and similar power monitor ICs such as the LTC2950 in terms of functionality, package size, and integration level, especially for space-constrained PCB designs?: Unlike the LTC2950, which is primarily a simple overvoltage/undervoltage supervisor with limited monitoring capabilities, the LTC2925CGN integrates comprehensive analog front-end circuitry including high-side current sensing, voltage monitoring, and temperature reporting through a single SSOP-24 package. While both share a similar footprint, the LTC2925CGN requires fewer external components due to its built-in precision comparators and I²C interface, reducing board real estate by an estimated 30–40% in typical dual-supply monitoring applications. Its higher pin count (24 vs. 8) enables more flexible signal routing but demands careful layout to maintain signal integrity, particularly on compact PCBs where return paths must be optimized for high-impedance sensor inputs.

Can the LTC2925CGN operate reliably in automotive environments, and what margin should be applied to its absolute maximum ratings when used beyond standard industrial temperature ranges?: The LTC2925CGN is rated for operation from -40°C to +85°C, aligning with standard industrial specifications but falling short of AEC-Q100 Grade 2 requirements for extended automotive use. For applications near the limits, such as cold-start conditions at -40°C or sustained operation near 85°C, derating of supply voltage and input currents is advisable—typically by 10–15% below nominal values to ensure long-term reliability. Additionally, thermal modeling using junction-to-ambient resistance data from the datasheet shows that continuous exposure above 70°C may accelerate electromigration in bond wires, potentially increasing failure rates over time.

What is the typical power consumption of the LTC2925CGN during active monitoring versus sleep modes, and how does this affect battery-powered or energy-sensitive systems?: In normal operation with all channels enabled and I²C polling every second, the LTC2925CGN consumes approximately 1.8 mA from a 3.3V supply, resulting in about 5.9 mW of power dissipation. During standby mode with only basic voltage supervision active, current drops to around 5 µA, drawing just 16.5 µW. This low quiescent current makes it viable for battery-backed backup systems where duty cycling is employed, though frequent I²C communication increases average power draw. For ultra-low-power designs, disabling unused monitoring functions can reduce consumption further, but at the cost of reduced visibility into system health.

How does the LTC2925CGN handle common-mode noise rejection, and what layout practices are recommended to achieve accurate readings in electrically noisy environments such as motor drives or switching regulators?: The LTC2925CGN achieves typical common-mode rejection of 80 dB for differential signals superimposed on high-voltage rails, leveraging its precision amplifier architecture. However, achieving this performance requires strict adherence to layout guidelines: Kelvin connections for shunt resistors, star grounding near the IC, and careful separation of digital return paths from sensitive analog nodes. In practice, misrouting of ground planes can degrade CMRR by 20 dB or more, leading to erroneous current measurements. Placing decoupling capacitors within 5 mm of VCC and GND pins minimizes loop inductance, preserving bandwidth and stability under fast transient loads.

Is the LTC2925CGN suitable for redundant power system monitoring, and what configuration considerations apply when tracking multiple rails simultaneously?: Yes, the LTC2925CGN can monitor up to four independent power rails via its multiplexed ADC, making it ideal for redundancy-critical systems such as server PSUs or telecom equipment. However, sequential sampling introduces latency; each conversion takes ~25 μs, so simultaneous monitoring of all rails isn’t possible without external hardware. Engineers must account for this when designing failover logic, as delayed fault detection could impact system recovery timing. Additionally, shared reference voltages across channels help minimize offset mismatches, but individual calibration may be needed if rail tolerances differ significantly.

What are the limitations of using the LTC2925CGN for inrush current limiting compared to dedicated soft-start controllers, and when would you choose one over the other?: While the LTC2925CGN provides real-time current feedback, it lacks active control loops required for dynamic inrush management. It can report peak currents but cannot regulate them—unlike the LTC2954 or similar soft-start ICs. Therefore, relying solely on the LTC2925CGN for inrush protection risks tripping undervoltage lockout circuits during hot-plug events unless external FETs and drivers are added. The better approach is to pair it with a controller that uses its measured current data as input for adaptive slew-rate control, combining monitoring fidelity with executive action capability.

How does the I²C interface on the LTC2925CGN support firmware development, and what address flexibility exists for multi-drop configurations in multi-board systems?: The LTC2925CGN supports standard-mode I²C (up to 100 kHz) with a fixed 7-bit device address, limiting direct multi-device addressing without additional arbitration logic. However, its register map includes shadow registers and alert outputs that enable daisy-chaining via interrupt lines, effectively creating a pseudo-multi-drop topology. Firmware must poll each node sequentially or use external GPIOs to distinguish responses. Alternatively, combining multiple LTC2925CGNs with address-setting jumpers (if available) or using I²C multiplexers expands scalability. Without such features, designers often implement software-based device enumeration based on response delays or status flags.

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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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Delivery Cost

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Delivery Method

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Others more shipping ways, please get in touch with your customer manager.

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.
Contact us if you have any questions.

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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

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ISO 9001: 2015
ISO 13485: 2016
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ISO 45001: 2018
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LTC2925CGN

Linear Technology / Analog Devices
32D-LTC2925CGN

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Please refer to the English Version as our Official Version.Return

LTC2925CGN - Linear Technology / Analog Devices

Specifications

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

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

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.

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。

Solid diode for power rectification. Works well in switching circuits.

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

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

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.

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.

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.

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.