LTM4681EY#PBF PMIC - Voltage Regulators - DC DC Switching Regulators by Analog Devices Inc
LTM4681EY#PBF is a PMIC - Voltage Regulators - DC DC Switching Regulators from Analog Devices Inc in BGA module, 15 mm x 22 mm x 8.17 mm packaging. It is commonly reviewed for Quad 31.25 A or single 125 A uModule regulator with digital power system management. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.
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Key specifications
- Part Number
LTM4681EY#PBF
- Internal code
TCE000120404
- Package
BGA module, 15 mm x 22 mm x 8.17 mm
- Manufacturer
- Analog Devices Inc
Key specifications
- Series
LTM4681
- Min Quantity
1
- Category
- Integrated Circuits (ICs)
- Description
Quad 31.25 A or single 125 A uModule regulator with digital power system management.
- key Attributes
-
- Datasheet
- View LTM4681EY#PBF Datasheet
Trust signals
Quality and trust signals
Review TrustCompo quality credentials, traceability support, anti-counterfeit handling, and inspection controls before sending an RFQ.
4 certifications
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
RFQ checklist
Order process
Confirm the core buying details for LTM4681EY#PBF before RFQ, PO release, and shipment planning.
- 1
Confirm MPN
Use the exact part number, manufacturer, package, and approval constraints in the RFQ.
- 2
Check stock and price
Verify live availability, MOQ, lead time, final unit price, and tax terms before PO release.
- 3
Align documents
Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.
- 4
Arrange shipment
Release the PO and align DHL, FedEx, UPS, or buyer forwarder shipment from Hong Kong.
Before PO release
Part confirmation
- Exact MPN confirmed: LTM4681EY#PBF
- Package to verify: BGA module, 15 mm x 22 mm x 8.17 mm
Commercial confirmation
- Live stock and lead time confirmed by RFQ
- Final price and tax terms confirmed before PO release
Fulfillment & documents
- Ship-from location: Hong Kong warehouse
- Shipping method: DHL, FedEx, UPS, or buyer forwarder account
Product overview
Product overview
Review the sourcing context for LTM4681EY#PBF from Analog Devices Inc, including product identity, application fit, package notes, and purchasing considerations.
LTM4681EY#PBF is a very high-current multiphase uModule regulator for GPU/AI accelerator support rails, FPGA/ASIC boards, switch motherboards, and dense distributed power systems. It combines four high-current output channels, PMBus digital control, telemetry, and fault management for power designs that need fast margining and remote monitoring.
Technical parameters
Parameters
Compare grouped LTM4681EY#PBF parameters from Analog Devices Inc, including package, series, key attributes, and technical values used for engineering and sourcing review.
Product Parameter
Function
Step-down uModule regulator with digital power system management
Product Parameter
Output Configuration
Quad 31.25 A or single 125 A
Product Parameter
Part Number
LTM4681EY#PBF
Parameter
Input Voltage
4.5 V to 16 V
Core Parameters
Voltage Accuracy
+/-0.5% DC output error
Core Parameters
Control / Telemetry
PMBus/I2C, 400 kHz interface, 16-bit ADC telemetry
| Parameter | Value |
|---|---|
Function Specifies the logical or operational function of the component, such as switching, amplification, or regulation. This attribute helps identify the device's role in a circuit. Verify the function against the datasheet to ensure it matches your application requirements. | Step-down uModule regulator with digital power system management |
Output Configuration Specifies the topology of the output stage, such as push-pull, open collector, or half-bridge. This determines how the device drives loads and interfaces with external circuitry. Verify against the datasheet to ensure compatibility with your application's requirements. | Quad 31.25 A or single 125 A |
Part Number Manufacturer-assigned identifier for the component. Use it to locate datasheets, verify specifications, and ensure compatibility with your design. Always cross-check the part number against the manufacturer's official documentation to avoid counterfeit or obsolete parts. | LTM4681EY#PBF |
| Parameter | Value |
|---|---|
Input Voltage Specifies the voltage range that can be safely applied to the input terminal of the component. This is essential for power supplies, regulators, and signal conditioning circuits. Ensure your input voltage stays within the specified limits to avoid damage. Check the datasheet for absolute maximum ratings and recommended operating conditions. | 4.5 V to 16 V |
| Parameter | Value |
|---|---|
Voltage Accuracy Voltage accuracy indicates how closely the output voltage matches the nominal value under specified conditions. It is critical for precision circuits and power supply design. Check the datasheet for tolerance over line, load, and temperature variations. | +/-0.5% DC output error |
Control / Telemetry This attribute describes the control and telemetry features available on the component, such as remote on/off, voltage programming, or monitoring outputs. It helps engineers integrate the part into a system. Verify supported protocols and signal levels in the datasheet. | PMBus/I2C, 400 kHz interface, 16-bit ADC telemetry |
Current Readback Accuracy Current readback accuracy specifies how precisely the component reports its output current. This is essential for monitoring and control loops in power management. Verify the accuracy over the full current range and temperature in the datasheet. | +/-4% typical family capability |
| Parameter | Value |
|---|---|
Manufacturer Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts. | Analog Devices Inc |
Lifecycle Status Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime. | Recommended for new designs / Production |
Package / Case Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility. | BGA module, 15 mm x 22 mm x 8.17 mm |
Output Voltage Specifies the regulated voltage level available at the output pin under specified load and input conditions. Compare this value with your circuit requirements and verify against the datasheet's tolerance and temperature derating. | 0.5 V to 3.3 V |
Datasheet preview
Datasheet PDF viewer
Preview the LTM4681EY#PBF datasheet from Analog Devices Inc to check package, electrical characteristics, application notes, and document evidence before RFQ.
Analog Devices Inc
LTM4681EY#PBF
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Notice documents
PCN / product notice documents
0 documents
No public PCN / PDN records currently displayed
No public product notice document is currently displayed for LTM4681EY#PBF. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.
Related sourcing options
Recommended products
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LTM4650EY-1#PBF128 purchasedBGA module, 16 mm x 16 mm x 5.01 mmDual 25 A or single 50 A step-down uModule regulator for high-current low-voltage rails.
Reference priceNeeds inquiry
Common questions
Product FAQ
Targeted answers for buyers verifying the exact LTM4681EY#PBF ordering code, packaging, stock, datasheet, and replacement path.
What does LTM4681EY#PBF mean?
LTM4681EY#PBF is the exact ordering code listed for a PMIC - Voltage Regulators - DC DC Switching Regulators component from Analog Devices Inc. The current package reference is BGA module, 15 mm x 22 mm x 8.17 mm, with listed context including Quad 31.25 A or single 125 A uModule regulator with digital power system management.. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.
How should buyers verify the LTM4681EY#PBF ordering code?
Treat LTM4681EY#PBF as the full ordering code during RFQ and engineering review. Confirm the listed BGA module, 15 mm x 22 mm x 8.17 mm package, manufacturer documentation from Analog Devices Inc, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.
What package is LTM4681EY#PBF supplied in?
LTM4681EY#PBF is currently listed with package reference BGA module, 15 mm x 22 mm x 8.17 mm from Analog Devices Inc. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.
Is LTM4681EY#PBF currently available?
LTM4681EY#PBF is currently marked with stock availability on this page. Before ordering, confirm the package (BGA module, 15 mm x 22 mm x 8.17 mm), listed stock (58000), available quantity (39000), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.
Where can I compare LTM4681EY#PBF alternatives?
A mapped alternative list is not currently published for LTM4681EY#PBF. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.