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Analog Devices Inc. LTC6101CHS5#TRMPBF
- Part No.:
- LTC6101CHS5#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
LTC6101CHS5#TRMPBF.pdf
- Description:
- IC CURR SENSE 1 CIRCUIT TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:500
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Product details
Overview
LTC6101CHS5#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 118 dB min PSRR. It operates from 4 V to 60 V supply and supports unidirectional current monitoring up to 500 mV sense voltage - ideal for automotive battery protection and industrial power rail supervision.
For engineers reviewing the LTC6101CHS5#TRMPBF datasheet, LTC6101CHS5#TRMPBF pinout, LTC6101CHS5#TRMPBF application, or LTC6101CHS5#TRMPBF equivalent, key selection criteria include its specified –40°C to 125°C operating temperature range, low 250 µA supply current at 12 V, and gain configuration via external RIN/ROUT resistors for precision shunt-based current measurement.
Technical Context
The LTC6101CHS5#TRMPBF uses a high-impedance current-output architecture where output current IOUT = VSENSE/RIN, enabling ground-referenced voltage translation of high-common-mode signals. Its internal sense amplifier forces –IN to match +IN potential, eliminating reliance on matched external resistors for gain accuracy.
It features a rail-to-rail compatible output stage with 1 mA max output current, 140 kHz signal bandwidth (IOUT = 200 µA), and 1 µs response time to 100 mV input transients. The device supports single-supply operation with V– tied to ground and maintains 375 µA typical supply current at 60 V, making it suitable for wide-input industrial supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4 V to 60 V - supports direct connection to 12 V, 24 V, and 48 V industrial rails without level-shifting. |
| Input Offset Voltage | ±300 µV max - enables use of small-value shunt resistors (e.g., 5 mΩ) while maintaining <1% error at 1 A load. |
| Step Response Time | 1 µs (to 2.5 V on 5 V output step) - provides fast overcurrent detection for load-shutdown circuits. |
| PSRR | 118 dB min - rejects supply ripple and noise, critical when sensing on noisy high-voltage buses. |
| Supply Current | 250 µA typical at 12 V - minimizes self-heating and system power overhead in always-on monitoring. |
| Operating Temperature | –40°C to 125°C - qualified for under-hood automotive and industrial control environments. |
| Input Sense Voltage | 500 mV max full-scale - sets upper bound for shunt voltage drop, balancing accuracy and power loss. |
Pinout & Package
Package: 5-lead plastic TSOT-23 (ThinSOT™), 1 mm profile, high-voltage spacing optimized for ≥60 V operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (+IN) | Non-inverting input | Connected to load side of sense resistor; Kelvin-sense point for accurate VSENSE capture. |
| 2 (–IN) | Inverting input | Driven to same potential as +IN; connects to high-side of sense resistor via RIN to V+. |
| 3 (V+) | Positive supply | Supplies internal circuitry; also serves as reference for RIN connection - determines whether device monitors load-only or total current. |
| 4 (V–) | Negative supply / ground | Tied to system ground; output voltage referenced to this node via ROUT. |
| 5 (OUT) | Current output | Sources IOUT = VSENSE/RIN; requires external ROUT to ground to generate VOUT = IOUT × ROUT. |
Key Features
| Feature | Design Value |
|---|---|
| High-side current sensing | Enables monitoring on positive rail without ground disruption - essential for battery disconnect and hot-swap controllers. |
| Configurable gain via RIN/ROUT | Eliminates need for fixed-gain ICs; allows optimization of dynamic range and resolution per application (e.g., 20× to 100×). |
| Low input bias current (170 nA max) | Reduces error from trace resistance and PCB leakage - critical for high-impedance RIN designs (>1 kΩ). |
| 1 µs transient response | Supports real-time overcurrent warning before thermal damage occurs in motor drives or DC-DC converters. |
| –40°C to 125°C operation | Validated performance across full automotive and industrial ambient ranges without derating. |
Applications
| Battery Management System (BMS) | Industrial Power Supply Monitoring |
|---|---|
|
Use Scenario: Real-time cell stack current monitoring in 48 V EV auxiliary battery packs with isolation requirements. IC Role / Device Role / Timing Role: High-side current sense amplifier translating shunt voltage to ground-referenced analog output for ADC sampling. Use Value: ±300 µV offset enables <5 mA resolution at 100 A full scale using 500 µΩ shunt, minimizing heat and voltage drop. |
Use Scenario: Input current supervision in programmable 24 V/10 A industrial power supplies with OCP and telemetry. IC Role / Device Role / Timing Role: High-common-mode current sensor interfacing to microcontroller ADC via configurable gain network. Use Value: 1 µs response ensures detection of short-circuit events within 2 switching cycles of a 500 kHz DC-DC controller. |
| Automotive Load Dump Protection | Server PSU Current Telemetry |
|
Use Scenario: Monitoring alternator output current during ISO 7637-2 load dump transients (up to 120 V peak). IC Role / Device Role / Timing Role: High-voltage tolerant current sense front-end feeding fault logic and analog telemetry path. Use Value: 70 V absolute maximum supply rating and 118 dB PSRR maintain accuracy despite 100 Vpp supply noise. |
Use Scenario: Dual-rail (12 V & 5 V) current reporting in datacenter server power supplies with PMBus interface. IC Role / Device Role / Timing Role: Precision analog current sensor feeding isolated sigma-delta ADC for digital power management. Use Value: Low 250 µA supply current avoids adding measurable overhead to efficiency-critical 80 PLUS Titanium designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side current sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX40056ASA+T | Fixed 20 V/V gain, 2.5 µs response, 500 µV offset, SOT-23-6 package | Requires no external resistors but lacks gain flexibility; lower PSRR (105 dB) | Select when board space is constrained and fixed gain suffices; avoid if dynamic range optimization is needed. |
| INA240A1DGNR | Bi-directional sensing, 120 V common-mode, 100 µV offset, 8-pin VSSOP | Supports reverse-current detection and higher voltage rails; larger footprint and higher cost | Choose for bidirectional motor control or >60 V systems; not drop-in due to pinout and functionality differences. |
Compared with MAX40056ASA+T and INA240A1DGNR, the LTC6101CHS5#TRMPBF offers superior gain configurability and PSRR for unidirectional high-accuracy monitoring in space-constrained 4–60 V systems, while avoiding the complexity and cost of bidirectional capability where unnecessary.
Availability
LTC6101CHS5#TRMPBF is available at Aetrix Electronics and suitable for automotive battery protection, industrial power supply supervision, and server PSU current telemetry requiring stable component supply and long-term lifecycle support.
Supply support for LTC6101CHS5#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 is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC6101 family was designed specifically for precision high-side current sensing in harsh environments, emphasizing low offset, high PSRR, and wide supply range - targeting applications where shunt-based measurement must coexist with noisy, high-voltage rails.
FAQ
What is the maximum supply voltage rating for the LTC6101CHS5#TRMPBF?
The LTC6101CHS5#TRMPBF has an absolute maximum supply voltage of 70 V between V+ and V– pins. Its operational supply range is specified from 4 V to 60 V, making it suitable for 12 V, 24 V, and 48 V industrial and automotive systems without external regulation.
How does the LTC6101CHS5#TRMPBF achieve high-side current sensing without a dedicated reference pin?
The LTC6101CHS5#TRMPBF uses an internal feedback loop that forces the –IN pin to match the +IN pin potential. By connecting RIN between –IN and V+, it creates a current IOUT = VSENSE/RIN sourced from OUT - converting high-common-mode shunt voltage into a ground-referenced output without needing a separate reference.
Can the LTC6101CHS5#TRMPBF be used with a 3.3 V microcontroller ADC?
Yes - the LTC6101CHS5#TRMPBF outputs a current that is converted to voltage by ROUT. Selecting ROUT = 3.3 kΩ with RIN = 100 Ω yields VOUT = 3.3 V at 100 mV VSENSE, directly matching a 3.3 V ADC full scale while preserving linearity and accuracy across –40°C to 125°C.
What is the impact of input offset voltage on minimum detectable current with the LTC6101CHS5#TRMPBF?
With ±300 µV max offset and a 10 mΩ shunt, the LTC6101CHS5#TRMPBF introduces up to ±30 mA equivalent current error. For sub-10 mA resolution, reduce shunt value (e.g., 1 mΩ) and increase RIN/ROUT gain - leveraging its 500 mV full-scale input range to maintain SNR.
Does the LTC6101CHS5#TRMPBF require external compensation components?
No - the LTC6101CHS5#TRMPBF is internally compensated and stable with capacitive loads up to 2200 pF. Its current-output architecture eliminates phase-margin concerns associated with voltage-output amplifiers driving long traces or ADC inputs, simplifying layout and reducing BOM count.
LTC6101CHS5#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:
- 375µA
- Current - Output / Channel:
- 1 mA
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 60 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
LTC6101CHS5#TRMPBF FAQ
1.How can I place an order for LTC6101CHS5#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6101CHS5#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 LTC6101CHS5#TRMPBF reliable?
The price and inventory of LTC6101CHS5#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6101CHS5#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC6101CHS5#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6101CHS5#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6101CHS5#TRMPBF?
LTC6101CHS5#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6101CHS5#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 LTC6101CHS5#TRMPBF?
For technical support, including LTC6101CHS5#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6101CHS5#TRMPBF requirements.
6.How does Aetrix verify that LTC6101CHS5#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC6101CHS5#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 LTC6101CHS5#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC6101CHS5#TRMPBF?
All LTC6101CHS5#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6101CHS5#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 LTC6101CHS5#TRMPBF part is unused and in its original packaging.
Return procedure for LTC6101CHS5#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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