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Analog Devices Inc. LTC2960HTS8-3#TRPBF
- Part No.:
- LTC2960HTS8-3#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
LTC2960HTS8-3#TRPBF.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL TSOT23-8
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
LTC2960HTS8-3#TRPBF from Analog Devices (formerly Linear Technology) is a nano-power, high-voltage two-input voltage supervisor IC designed for battery and regulator monitoring in harsh environments. It features 850nA quiescent current, 2.5V–36V VCC operating range, ±2mV ADJ/IN+ threshold matching, fixed 200ms reset timeout, and active pull-up RST/OUT outputs referenced to DVCC. It is used in automotive battery management systems to detect low-voltage brownout and initiate controlled shutdown.
For engineers reviewing the LTC2960HTS8-3#TRPBF datasheet, LTC2960HTS8-3#TRPBF pinout, LTC2960HTS8-3#TRPBF application, or LTC2960HTS8-3#TRPBF equivalent, key selection criteria include its –40°C to 125°C extended temperature rating, TSOT-23-8 package, dual-threshold supervision with IN+ input, DVCC-referenced logic outputs, and 1.5% max threshold accuracy over temperature.
Technical Context
The LTC2960HTS8-3#TRPBF integrates a precision 400mV internal reference with two independent comparators: one monitors the ADJ input for reset generation, the other monitors IN+ for auxiliary voltage status. Its reset path includes built-in 2.5% hysteresis and a fixed 200ms timeout timer that delays RST release after threshold recovery.
Unlike variants with RT pin or open-drain outputs, this part replaces RT with DVCC to enable logic-level programmable output swing (1.6V–5.5V), allowing direct interfacing with low-voltage microcontrollers while maintaining 36V input tolerance on VCC. Input leakage is ≤±1nA at 125°C, enabling high-impedance resistor divider configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 2.5V to 36V - supports direct connection to multicell Li-ion, 12V/24V automotive, or industrial rails without external regulators. |
| Quiescent Current | 850nA max at 125°C - enables multi-year battery life in always-on monitoring applications like telematics or security sensors. |
| Reset Threshold Accuracy | ±1.5% over –40°C to 125°C - ensures reliable brownout detection across full automotive temperature range without calibration. |
| ADJ/IN+ Threshold Matching | ±2mV - allows precise differential monitoring (e.g., UVLO + low-battery warning) using same resistive divider network. |
| Reset Timeout | Fixed 200ms - guarantees sufficient system stabilization time before releasing processor reset, eliminating need for external timing components. |
| DVCC Range | 1.6V to 5.5V - sets RST/OUT logic-high level independently of VCC, enabling direct interface with 1.8V/3.3V MCUs without level shifters. |
| Input Leakage (ADJ/IN+) | ±1nA max at 125°C - permits use of >10MΩ resistor dividers with <0.1% error, reducing power loss and PCB space. |
Pinout & Package
Package: 8-lead TSOT-23 (ThinSOT™), 3.0mm × 1.7mm × 0.8mm, –40°C to 125°C operating range.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Main supply input | Accepts 2.5V–36V; powers internal circuitry and enables UVLO protection below 1.85V. |
| DVCC | Logic supply input | Sets RST/OUT high-level voltage (1.6V–5.5V); grounding enables open-drain mode. |
| RST | Reset output | Active-pull-up output; asserts low when ADJ falls below threshold, releases high after 200ms timeout and hysteresis margin. |
| OUT | Auxiliary status output | Active-pull-up output; asserts low when IN+ falls below threshold, releases after 5% hysteresis recovery. |
| IN+ | Non-inverting comparator input | Configures second monitoring threshold via external resistor divider; supports UVLO or low-battery detection. |
| ADJ | Reset threshold adjustment input | Primary supervision input; tied to resistor divider to set main reset falling threshold (e.g., 6.0V). |
| MR | Manual reset input | Pulled low to force immediate RST assertion; returns high after 200ms timeout upon release. |
| GND | Ground reference | Common return for VCC, DVCC, and all signal inputs/outputs; exposed pad not present in TSOT-23. |
Key Features
| Feature | Design Value |
|---|---|
| Nano-power operation | 850nA max ICC at 125°C enables decades-long operation on coin cells in remote sensors. |
| Dual independent comparators | ADJ for primary reset + IN+ for secondary status (e.g., UVLO + low-battery flag) with matched thresholds. |
| DVCC-referenced outputs | RST/OUT logic-high level tracks DVCC (1.6V–5.5V), eliminating level-shifters for modern low-voltage MCUs. |
| High-temperature reliability | Specified and tested from –40°C to 125°C with 1.5% threshold accuracy, meeting AEC-Q100 Grade 1 requirements. |
| Robust input protection | ADJ/IN+/IN– rated to 3.5V absolute max; supports up to 150V input rails via external Zener/clamp networks. |
Applications
| Automotive Battery Monitoring | Industrial Power Sequencing |
|---|---|
Use Scenario: Monitoring 12V/24V vehicle battery during cold cranking and load dump events. IC Role / Device Role / Timing Role: Primary supervisor generating reset signal for engine control unit (ECU) and secondary OUT signal for low-battery warning. Use Value: 850nA quiescent current prevents parasitic drain; 36V VCC rating withstands ISO 7637-2 pulse 5a (75V/100ms); 125°C rating supports under-hood placement. |
Use Scenario: Controlling startup sequence of multi-rail FPGA or DSP power supplies in factory automation PLCs. IC Role / Device Role / Timing Role: Dual-threshold monitor ensuring 5V rail stabilizes before enabling 3.3V/1.2V rails via RST and OUT signals. Use Value: Fixed 200ms timeout provides deterministic delay; ±2mV ADJ/IN+ matching ensures precise sequencing margins without trimming. |
| Portable Medical Device Safety | Smart Energy Meter Backup |
Use Scenario: Supervising lithium primary battery in implantable or wearable diagnostic equipment. IC Role / Device Role / Timing Role: Detecting end-of-life voltage drop (<2.7V) and asserting OUT to trigger data save before shutdown. Use Value: Nano-current draw extends battery service life beyond 5 years; 1.5% accuracy ensures consistent low-voltage cutoff across temperature. |
Use Scenario: Maintaining SRAM integrity during AC mains failure in utility smart meters. IC Role / Device Role / Timing Role: Monitoring supercapacitor or backup battery voltage; asserting RST to halt meter operations and preserve last-read values. Use Value: 2.5% hysteresis prevents chatter during slow discharge; TSOT-23 footprint minimizes PCB area in space-constrained meter modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage supervisor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS3897A33DBVR | Single-input supervisor; 3.3V fixed reset threshold; 1.8µA IQ; SOT-23-5 package. | Lacks dual-threshold capability and adjustable thresholds; no IN+ input for auxiliary monitoring. | Select when only basic 3.3V rail supervision is needed and ultra-low cost is prioritized over flexibility. |
| MAX6373KA29+T | Single-input supervisor; 2.93V fixed threshold; 1.5µA IQ; SOT-23-5; no DVCC pin or active pull-up. | Open-drain outputs require external pull-ups; no provision for logic-level output swing control. | Choose for legacy designs requiring pin-compatible replacement of older Maxim supervisors with minimal layout change. |
Compared with TPS3897A33DBVR and MAX6373KA29+T, the LTC2960HTS8-3#TRPBF uniquely delivers dual adjustable thresholds, DVCC-programmable outputs, and sub-1µA quiescent current in an 8-pin TSOT-23-enabling compact, feature-rich supervision where space, power, and functional integration are critical.
Availability
LTC2960HTS8-3#TRPBF is available at Aetrix Electronics and suitable for automotive battery monitoring, industrial power sequencing, portable medical device safety, and smart energy meter backup requiring stable component supply across extended temperature ranges.
Supply support for LTC2960HTS8-3#TRPBF 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, acquired Linear Technology in 2017 to strengthen its precision power and interface portfolio.
The LTC2960HTS8-3#TRPBF belongs to ADI's precision voltage supervisor product line, engineered for ultra-low-power, high-accuracy monitoring in automotive, industrial, and medical systems where reliability across extreme temperatures is non-negotiable.
FAQ
What is the maximum input voltage the LTC2960HTS8-3#TRPBF can safely monitor on the ADJ and IN+ pins?
The ADJ and IN+ pins of the LTC2960HTS8-3#TRPBF have an absolute maximum rating of –0.3V to 3.5V. To monitor higher voltages (e.g., 12V or 24V rails), external resistor dividers must scale the input down to ≤3.5V. For example, a 10:1 divider reduces a 35V input to 3.5V at the pin. Exceeding 3.5V risks permanent damage per Absolute Maximum Ratings.
Does the LTC2960HTS8-3#TRPBF support manual reset functionality, and how is it implemented?
Yes, the LTC2960HTS8-3#TRPBF supports manual reset via the MR pin. Pulling MR low forces the RST output low immediately. After MR returns high, RST remains low for the full 200ms reset timeout period before releasing high-ensuring deterministic behavior during firmware-triggered resets or push-button recovery sequences in the LTC2960HTS8-3#TRPBF.
How does the DVCC pin affect the output behavior of the LTC2960HTS8-3#TRPBF?
The DVCC pin on the LTC2960HTS8-3#TRPBF sets the logic-high voltage level for both RST and OUT outputs. When DVCC is tied to 1.8V or 3.3V, those outputs drive high to that voltage-enabling direct interface with low-voltage MCUs. If DVCC is grounded, RST and OUT become open-drain, requiring external pull-up resistors. This flexibility eliminates level shifters in the LTC2960HTS8-3#TRPBF design.
What is the guaranteed accuracy of the reset threshold for the LTC2960HTS8-3#TRPBF over its full operating temperature range?
The LTC2960HTS8-3#TRPBF guarantees ±1.5% maximum reset threshold accuracy over its full –40°C to 125°C operating temperature range. This specification applies to the ADJ input threshold (400mV nominal) and is confirmed in the Electrical Characteristics table under "VTH" with the "l" symbol denoting full-temperature-range validity-critical for automotive and industrial applications where thermal drift must be tightly bounded in the LTC2960HTS8-3#TRPBF.
Can the LTC2960HTS8-3#TRPBF be used to monitor both overvoltage and undervoltage conditions simultaneously?
No-the LTC2960HTS8-3#TRPBF variant uses the IN+ input, which triggers OUT low on *undervoltage* (falling threshold). To detect overvoltage, a different variant (e.g., LTC2960HTS8-2#TRPBF with IN– input) is required. The LTC2960HTS8-3#TRPBF supports only undervoltage detection on IN+, but its dual-comparator architecture allows coordinated UVLO and brownout monitoring when paired with external circuitry or used in systems with multiple LTC2960HTS8-3#TRPBF units.
LTC2960HTS8-3#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-8 Thin, TSOT-23-8
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 2
- Voltage - Threshold:
- Adjustable/Selectable
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active Low
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-8
LTC2960HTS8-3#TRPBF FAQ
1.How can I place an order for LTC2960HTS8-3#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2960HTS8-3#TRPBF 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 LTC2960HTS8-3#TRPBF reliable?
The price and inventory of LTC2960HTS8-3#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2960HTS8-3#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2960HTS8-3#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2960HTS8-3#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2960HTS8-3#TRPBF?
LTC2960HTS8-3#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2960HTS8-3#TRPBF 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 LTC2960HTS8-3#TRPBF?
For technical support, including LTC2960HTS8-3#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2960HTS8-3#TRPBF requirements.
6.How does Aetrix verify that LTC2960HTS8-3#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2960HTS8-3#TRPBF 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 LTC2960HTS8-3#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2960HTS8-3#TRPBF?
All LTC2960HTS8-3#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2960HTS8-3#TRPBF, 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 LTC2960HTS8-3#TRPBF part is unused and in its original packaging.
Return procedure for LTC2960HTS8-3#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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