My Inquiry
My Account
Analog Devices Inc. LT6110HDC#TRMPBF
- Part No.:
- LT6110HDC#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Power Management - Specialized
- Package:
- 8-WFDFN Exposed Pad
- Datasheet:
-
LT6110HDC#TRMPBF.pdf
- Description:
- IC WIRE DROP COMPENSATOR
- Quantity:
- Payment:
- Shipping:
Inventory:996
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LT6110HDC#TRMPBF from Analog Devices (formerly Linear Technology) is a precision high-side current sense amplifier with dual current-mode outputs (sinking IOUT and sourcing IMON), designed to compensate for voltage drop across wires, traces, or cables in remote-load power delivery systems. It features an integrated 20mΩ sense resistor (rated for 3A continuous), ≤300µV input offset voltage, 1% output current accuracy, and operates from 2V to 50V supply over –40°C to 125°C. It enables 10× improvement in load voltage regulation for USB power adapters and DC/DC converters.
For engineers reviewing the LT6110HDC#TRMPBF datasheet, LT6110HDC#TRMPBF pinout, LT6110HDC#TRMPBF application, or LT6110HDC#TRMPBF equivalent, key selection criteria include its dual-output current-mode interface, internal vs. external sense resistor flexibility, gain configurability via RIN, low quiescent current (≤30µA), and automotive-grade temperature range - all critical for wire-drop compensation in industrial and automotive power distribution.
Technical Context
The LT6110HDC#TRMPBF implements a precision current-sense amplifier with forced +IN = –IN topology, generating two mirrored output currents proportional to VSENSE/RIN: IOUT = VSENSE/RIN (sinking) and IMON = 3 × VSENSE/RIN (sourcing). Its 180kHz signal bandwidth supports fast transient response in closed-loop regulator compensation.
It operates with supply voltages up to 50V (V+ to V–), tolerates differential input voltages up to V+, and maintains specified performance across –40°C to 125°C. The internal 20mΩ sense resistor (±7.5% typical tolerance) is thermally matched to copper, enabling stable IR-drop compensation without external Kelvin sensing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2V to 50V - supports wide-input industrial and automotive power rails without external level-shifting. |
| Input Offset Voltage (max) | 300µV at –40°C to 125°C - enables accurate sensing with small sense resistors (e.g., 10mΩ yields 30µV error at 3A). |
| IOUT Accuracy (max) | 2% over temperature - ensures predictable voltage boost in regulator feedback loops for stable remote-load regulation. |
| Supply Current (max) | 50µA at 5V - minimizes system power overhead in battery-powered or energy-sensitive applications. |
| Signal Bandwidth | 180kHz - provides sufficient loop speed to track load transients in DC/DC converters and PoE injectors. |
| Operating Temperature | –40°C to 125°C - qualified for under-hood automotive and industrial control environments. |
| Internal Sense Resistor | 20mΩ ±7.5% - eliminates external component count for ≤3A applications while matching copper TCR for thermal drift cancellation. |
Pinout & Package
LT6110HDC#TRMPBF is housed in an 8-lead (2mm × 2mm) plastic DFN package with exposed pad (Pin 9 = V–). The package supports high thermal efficiency (θJA = 80.6°C/W) and requires soldering of the exposed pad to PCB ground plane for optimal thermal and electrical performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (NC) | No Connect | Not internally bonded - must be left floating or tied to V– per layout guidelines. |
| Pin 2 (IOUT) | Sinking Current Output | Delivers IOUT = VSENSE/RIN to ground-referenced regulator feedback (e.g., LT3980), enabling voltage boost proportional to load current. |
| Pin 3 (IMON) | Sourcing Current Output | Delivers IMON = 3 × VSENSE/RIN to output-referenced regulators (e.g., LT3080), allowing direct injection into reference pins. |
| Pin 4 (V–) | Negative Supply Rail | System ground or negative rail - must be connected to PCB ground plane and tied to exposed pad (Pin 9). |
| Pin 5 (–IN) | Inverting Input | Connects to load side of sense resistor (internal or external) - forms Kelvin sense point for accurate VSENSE measurement. |
| Pin 6 (RS) | Internal Sense Resistor Terminal | Connects to load when using internal 20mΩ resistor; leave open for external sense resistor configurations. |
| Pin 7 (V+) | Positive Supply Rail | Connects to high-side of sense resistor - requires ≥0.1µF ceramic bypass capacitor to V– for stability. |
| Pin 8 (+IN) | Non-inverting Input | Driven to match –IN potential; RIN from V+ sets gain - determines IOUT/IMON scaling factor and compensation sensitivity. |
Key Features
| Feature | Design Value |
|---|---|
| Dual current-mode outputs | IOUT (sink) and IMON (source) enable compatibility with both ground-referenced and output-referenced adjustable regulators without level-shifting circuitry. |
| Integrated 20mΩ sense resistor | Eliminates external sense resistor for ≤3A applications; copper-matched TCR reduces thermal drift-induced compensation error in varying ambient conditions. |
| Single-resistor gain configuration | RIN from V+ to +IN sets full-scale output current - simplifies design iteration and avoids trimming or calibration in production. |
| Low 30µA supply current | Minimizes power loss in always-on remote-sense paths, critical for energy-efficient USB PD adapters and IoT edge devices. |
| 180kHz bandwidth | Supports dynamic load regulation in switching supplies - maintains stability while correcting for rapid current changes in motor drives or LED arrays. |
Applications
| USB Power Adapters | DC/DC Converters |
|---|---|
Use Scenario: Compensating voltage drop across 1–2m USB-C cables delivering 5V/3A to portable devices. IC Role / Device Role / Timing Role: High-side current monitor generating IOUT current to adjust feedback node of buck converter IC (e.g., MP2315), boosting output voltage proportionally to cable IR loss. Use Value: Improves load regulation from ±10% to ±1.1% at full load, meeting USB PD specification tight tolerance requirements without Kelvin wiring. | Use Scenario: Maintaining precise 12V output at remote industrial sensor node powered via 50cm PCB traces with 50mΩ total resistance. IC Role / Device Role / Timing Role: Sourcing IMON current into reference pin of LT3080 linear regulator to counteract trace voltage drop during 0–2A load transients. Use Value: Enables 10× reduction in output voltage deviation (from 600mV to 60mV) across full load range, eliminating need for costly 4-layer board with dedicated sense traces. |
| Power over Ethernet (PoE) | Automotive Power Distribution |
Use Scenario: Regulating 48V/60W power delivery over Category 5e cabling (up to 100m) to IP cameras or wireless access points. IC Role / Device Role / Timing Role: Monitoring load current via external 5mΩ shunt and sinking IOUT into feedback divider of isolated flyback controller (e.g., LT3748) to dynamically raise primary-side reference. Use Value: Achieves <±0.5% load regulation at end-of-cable despite >2.5V IR drop, ensuring reliable operation of sensitive RF front-ends without oversized cabling. | Use Scenario: Stabilizing 5V rail for infotainment head unit supplied through 30cm harness with 80mΩ resistance in engine compartment (-40°C to 125°C). IC Role / Device Role / Timing Role: Using internal 20mΩ sense resistor and IMON output to drive ADJ pin of LM2678 buck regulator, compensating for harness resistance variation with temperature. Use Value: Maintains ±25mV output tolerance across full temperature range and load (0–3A), preventing brownouts during cold cranking or HVAC load surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side current sense amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4008AASA+ | Single sourcing output only; no sinking IOUT; 500µV max VOS; 2.7V–5.5V supply only | Limited to low-voltage, output-referenced regulators; cannot interface with ground-referenced FB pins | Select when only sourcing capability is needed and supply is <5.5V; not suitable for 12V+ automotive or PoE systems. |
| INA282AIDR | Voltage-output architecture (not current-mode); 120µV max VOS; 2.7V–18V supply; no integrated sense resistor | Requires external op-amp or DAC to convert to current for regulator feedback; adds complexity and error sources | Choose for ultra-low-offset precision where voltage-based feedback is acceptable and external components are permissible. |
Compared with MAX4008AASA+ and INA282AIDR, the LT6110HDC#TRMPBF uniquely delivers dual current-mode outputs, integrated sense resistor, and 2V–50V operation - enabling simpler, more robust wire-drop compensation in high-voltage, thermally demanding applications without external signal conditioning.
Availability
LT6110HDC#TRMPBF is available at Aetrix Electronics and suitable for USB power adapters, DC/DC converters, Power over Ethernet injectors, automotive body control modules, and industrial remote-sensor power supplies requiring stable component supply across extended temperature ranges.
Supply support for LT6110HDC#TRMPBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, formed through the acquisition of Linear Technology in 2017.
The LT6110HDC#TRMPBF belongs to ADI's precision current-sense amplifier product line, engineered specifically for high-accuracy, high-voltage remote-load voltage regulation in power distribution systems where wire resistance degrades output stability.
FAQ
What is the maximum continuous current supported by the internal sense resistor in LT6110HDC#TRMPBF?
The LT6110HDC#TRMPBF integrates a 20mΩ sense resistor rated for 3A continuous current and 5A transient current (<0.1 second). Exceeding 3A continuous risks thermal overload and parametric shift; for higher currents, an external sense resistor must be used with the RS pin left open.
Can LT6110HDC#TRMPBF operate with a 50V supply voltage while maintaining full specifications?
Yes, the LT6110HDC#TRMPBF is fully specified from 2V to 50V supply (V+ to V–), including input offset voltage, output accuracy, and bandwidth - but V+ to IOUT voltage must remain ≤36V to prevent internal transistor breakdown, requiring careful feedback network design in high-voltage applications.
How does the LT6110HDC#TRMPBF achieve 10× improvement in load regulation?
The LT6110HDC#TRMPBF measures load current and generates a proportional current (IOUT or IMON) that adjusts the regulator's feedback node, actively boosting output voltage to cancel wire/trace IR drop. In a 5V/2A system with 0.5V drop, it reduces regulation error from ±10% to ±1.1%, achieving ~10× improvement as documented in the datasheet.
What is the purpose of the NC pin (Pin 1) on the LT6110HDC#TRMPBF DFN package?
Pin 1 of the LT6110HDC#TRMPBF is a No-Connect (NC) terminal - not internally bonded. It must be left floating or connected to V– (ground) per Analog Devices' layout recommendations to avoid parasitic coupling; it serves no functional role in circuit operation.
Does LT6110HDC#TRMPBF require external components for basic wire-drop compensation?
Yes - at minimum, an external resistor RIN from V+ to +IN sets gain, and a feedback resistor (e.g., from IOUT to FB) completes the compensation loop. The internal 20mΩ sense resistor eliminates the need for an external shunt in ≤3A designs, but external RIN and feedback components remain essential for functionality.
LT6110HDC#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-WFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- General Purpose
- Current - Supply:
- 30µA
- Voltage - Supply:
- 2V ~ 50V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-DFN (2x2)
LT6110HDC#TRMPBF FAQ
1.How can I place an order for LT6110HDC#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6110HDC#TRMPBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LT6110HDC#TRMPBF reliable?
The price and inventory of LT6110HDC#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6110HDC#TRMPBF is usually 5 days.
3.What payment methods are accepted for LT6110HDC#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6110HDC#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6110HDC#TRMPBF?
LT6110HDC#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6110HDC#TRMPBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LT6110HDC#TRMPBF?
For technical support, including LT6110HDC#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6110HDC#TRMPBF requirements.
6.How does Aetrix verify that LT6110HDC#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LT6110HDC#TRMPBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LT6110HDC#TRMPBF meets industry standards.
7.What is the process for return or replacement of LT6110HDC#TRMPBF?
All LT6110HDC#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6110HDC#TRMPBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LT6110HDC#TRMPBF part is unused and in its original packaging.
Return procedure for LT6110HDC#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LT6110HDC#TRMPBF Tags
-
TPS2511DGNR
Texas Instruments
-
UTC2000/MG
Microchip Technology
-
TUSB320HAIRWBR
Texas Instruments
-
TPS61252DSGR
Texas Instruments
-
PI5USB30216CXUAEX
Diodes Incorporated
-
SN6501DBVR
Texas Instruments
-
CYPD3177-24LQXQT
Infineon Technologies
-
SN6501QDBVRQ1
Texas Instruments
-
STUSB1600AQTR
STMicroelectronics
-
SN6505BDBVR
Texas Instruments
-
SN6501DBVT
Texas Instruments
-
TPS65150PWPR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
