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Analog Devices Inc. LTC6101VHVCCS5#TRMPBF
- Part No.:
- LTC6101VHVCCS5#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
LTC6101VHVCCS5#TRMPBF.pdf
- Description:
- IC CURR SENSE 1 CIRCUIT TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:490
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Product details
Overview
LTC6101VHVCCS5#TRMPBF from Analog Devices is a high-voltage, high-side current sense amplifier in 5-lead TSOT-23 package, delivering 1 µs step response, ±300 µV max input offset voltage, and operation from 5 V to 100 V supply. It converts shunt voltage (up to 500 mV) into ground-referenced output current for precision monitoring in automotive battery management and industrial power supplies.
For engineers reviewing the LTC6101VHVCCS5#TRMPBF datasheet, LTC6101VHVCCS5#TRMPBF pinout, LTC6101VHVCCS5#TRMPBF application, or LTC6101VHVCCS5#TRMPBF equivalent, this device supports accurate high-common-mode-current sensing with configurable gain via external RIN/ROUT, low 230 µA supply current at 12 V, and –40°C to 85°C specified temperature range.
Technical Context
The LTC6101VHVCCS5#TRMPBF uses a feedback-controlled transconductance architecture: its internal amplifier forces –IN to match +IN potential, enabling precise current derivation IOUT = VSENSE/RIN. This eliminates common-mode rejection dependency on resistor matching and enables true high-side sensing without level-shifting circuitry.
It operates with 118 dB minimum PSRR across 5 V–100 V supply range and delivers 140 kHz signal bandwidth at 200 µA load. Its output is a current source (max 1 mA), requiring external ROUT to generate voltage output - supporting flexible interface to ADCs, comparators, or control logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 5 V to 100 V - supports direct connection to 48 V, 72 V, and 96 V industrial/automotive bus rails without external regulators. |
| Input Offset Voltage | ±300 µV max - enables use of small-value shunt resistors (e.g., 5 mΩ) while maintaining <1% error at 20 mA load current. |
| Step Response Time | 1 µs (to 2.5 V on 5 V output step) - suitable for real-time overcurrent detection and fast-acting protection circuits. |
| Power Supply Rejection | 118 dB min - ensures stable output despite ripple or noise on high-voltage supply lines up to 100 V. |
| Supply Current | 230 µA typical at 12 V - minimizes burden on auxiliary supplies in always-on monitoring systems. |
| Input Sense Range | 0–500 mV full scale - accommodates wide dynamic current ranges (e.g., 10 mA to 10 A with 50 mΩ shunt). |
| Operating Temp Range | –40°C to 85°C (specified) - qualified for under-hood automotive and industrial ambient environments. |
Pinout & Package
Package: 5-lead TSOT-23 (ThinSOT™), 0.65 mm pitch, 1 mm profile - optimized for space-constrained high-voltage PCB layouts with HV creepage compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| +IN | High-side sense input (non-inverting) | Connected to load side of shunt resistor; establishes reference for differential sense voltage measurement. |
| –IN | Feedback input (inverting) | Tied to V+ via RIN; internal amplifier drives –IN to match +IN, defining IOUT = VSENSE/RIN. |
| V+ | Positive supply input | Supplies operating current; also serves as high-side common-mode reference for shunt connection. |
| OUT | Current output terminal | Sources proportional current (IOUT) - requires external ROUT to ground/V– to generate analog voltage output. |
| V– | Negative supply / ground reference | Return path for supply current and output current; may be connected to system ground in single-supply configurations. |
Key Features
| Feature | Design Value |
|---|---|
| High-voltage operation | Rated for 100 V supply with 105 V absolute maximum - eliminates need for external voltage clamping in 48–96 V systems. |
| Configurable gain | Set by external RIN/ROUT - enables precise scaling (e.g., 20× to 100×) without trimming or calibration. |
| Kelvin-compatible inputs | Separate +IN/–IN pins support 4-wire shunt connections - rejects trace resistance errors up to 10 mΩ at 10 A load. |
| Low quiescent current | 230 µA at 12 V - extends battery life in portable test equipment and remote sensors. |
| Wide temperature specification | –40°C to 85°C guaranteed performance - meets AEC-Q200 stress requirements for automotive subsystems. |
Applications
| Battery Management System | Industrial Motor Drive |
|---|---|
Use Scenario: Real-time monitoring of 48 V Li-ion pack charge/discharge current with ±1% accuracy across –20°C to 60°C ambient. IC Role / Device Role / Timing Role: High-side current sense amplifier converting shunt voltage to ground-referenced current output for ADC sampling. Use Value: Enables SOC estimation and cell balancing control using only 50 mΩ shunt, minimizing thermal drift and power loss (<250 mW at 7 A). |
Use Scenario: Overcurrent protection for 3-phase IGBT gate driver stage in HVAC compressor drive operating at 72 V DC bus. IC Role / Device Role / Timing Role: Fast-response current monitor feeding comparator for sub-µs fault shutdown. Use Value: 1 µs step response allows detection of short-circuit events before IGBT destruction, reducing system MTBF risk. |
| Telecom Power Shelf | EV Onboard Charger |
Use Scenario: Input current supervision of 48 V–54 V rectifier module with hot-swap capability and remote sense compensation. IC Role / Device Role / Timing Role: High-common-mode amplifier rejecting bus ripple while delivering clean analog output to PMBus controller. Use Value: 118 dB PSRR suppresses 100 mVpp switching noise at 200 kHz, eliminating false trip in redundant power systems. |
Use Scenario: Bidirectional AC/DC converter current sensing during 6.6 kW charging cycle with 900 V DC link isolation. IC Role / Device Role / Timing Role: Isolated-side high-voltage sense amplifier interfacing to isolated ADC via optocoupler or digital isolator. Use Value: 500 mV full-scale input range supports 200 A peak current measurement with 100 µΩ shunt, meeting ISO 15118 leakage limits. |
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 |
|---|---|---|---|
| MAX40056ASA+T | Fixed 50 V/V gain; 2.7 V–5.5 V supply only; requires external level shift for >5.5 V buses. | Only suitable for low-voltage auxiliary rails (e.g., 3.3 V, 5 V MCU domains), not direct high-voltage bus sensing. | Select when fixed-gain simplicity and ultra-low 15 µA quiescent current outweigh high-voltage capability needs. |
| INA240A1DGNR | Zero-drift architecture; 2.7 V–5.5 V supply; integrated 20 V ESD protection; no HV pinout spacing. | Requires isolated DC/DC for >5.5 V systems; lacks 100 V rating and HV creepage-compliant package. | Prefer for cost-sensitive, low-voltage industrial PLC modules where precision offset drift matters more than HV operation. |
Compared with MAX40056ASA+T and INA240A1DGNR, the LTC6101VHVCCS5#TRMPBF uniquely supports direct 5–100 V bus sensing in a compact TSOT-23 package with user-configurable gain and Kelvin input capability - making it the only option among the three for unregulated high-voltage current monitoring without auxiliary power or isolation.
Availability
LTC6101VHVCCS5#TRMPBF is available at Aetrix Electronics and suitable for automotive battery management, industrial motor drives, and telecom power shelf designs requiring stable component supply with long-term lifecycle assurance.
Supply support for LTC6101VHVCCS5#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. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LTC6101 family was designed specifically for high-accuracy, high-voltage, high-side current sensing in space-constrained systems - emphasizing low offset, fast response, and robust operation across extended supply and temperature ranges.
FAQ
What is the maximum supply voltage the LTC6101VHVCCS5#TRMPBF can withstand?
The LTC6101VHVCCS5#TRMPBF has an absolute maximum supply voltage of 105 V between V+ and V– pins. Its operational range is specified from 5 V to 100 V, making it suitable for 48 V, 72 V, and 96 V industrial and automotive power systems without external regulation or clamping.
How does the LTC6101VHVCCS5#TRMPBF achieve high-side current sensing without a level shifter?
The LTC6101VHVCCS5#TRMPBF uses a transconductance architecture that references both inputs to the high-side rail: +IN connects to the load side of the shunt, while –IN is tied to V+ via RIN. The internal amplifier forces –IN to match +IN, generating IOUT = VSENSE/RIN - a ground-referenced current output independent of common-mode voltage.
Can the LTC6101VHVCCS5#TRMPBF be used with a 3.3 V microcontroller ADC?
Yes - the LTC6101VHVCCS5#TRMPBF outputs a current (IOUT) that is converted to voltage by an external ROUT. Selecting ROUT = 3.3 kΩ yields 0–3.3 V output for 0–1 mA IOUT, directly compatible with 3.3 V ADC inputs. Ensure ROUT is placed between OUT and V– (ground) for proper referencing.
What is the purpose of the "VHV" designation in LTC6101VHVCCS5#TRMPBF?
The "VHV" in LTC6101VHVCCS5#TRMPBF denotes the high-voltage pinout variant - specifically configured for enhanced creepage and clearance in the 5-lead TSOT-23 package (marked LTHHD). This version maintains safe spacing between V+ and –IN/+IN pins to support reliable operation at 100 V supply with reinforced insulation requirements.
Does the LTC6101VHVCCS5#TRMPBF require Kelvin connections for accurate measurement?
Kelvin connections are strongly recommended for all but lowest-current applications. The separate +IN and –IN pins enable 4-wire shunt routing, eliminating errors from PCB trace resistance (e.g., 10 mΩ at 10 A causes 100 mV error). For precision systems targeting <0.5% total error, Kelvin layout is essential - especially with shunts below 10 mΩ.
LTC6101VHVCCS5#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Current Sense
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- -
- Gain Bandwidth Product:
- 200 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 100 nA
- Voltage - Input Offset:
- 400 µV
- Current - Supply:
- 350µA
- Current - Output / Channel:
- 1 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 100 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
LTC6101VHVCCS5#TRMPBF FAQ
1.How can I place an order for LTC6101VHVCCS5#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6101VHVCCS5#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 LTC6101VHVCCS5#TRMPBF reliable?
The price and inventory of LTC6101VHVCCS5#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6101VHVCCS5#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC6101VHVCCS5#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6101VHVCCS5#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6101VHVCCS5#TRMPBF?
LTC6101VHVCCS5#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6101VHVCCS5#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 LTC6101VHVCCS5#TRMPBF?
For technical support, including LTC6101VHVCCS5#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6101VHVCCS5#TRMPBF requirements.
6.How does Aetrix verify that LTC6101VHVCCS5#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC6101VHVCCS5#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 LTC6101VHVCCS5#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC6101VHVCCS5#TRMPBF?
All LTC6101VHVCCS5#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6101VHVCCS5#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 LTC6101VHVCCS5#TRMPBF part is unused and in its original packaging.
Return procedure for LTC6101VHVCCS5#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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