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Analog Devices Inc. LTC2960HTS8-2
- Part No.:
- LTC2960HTS8-2
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
LTC2960HTS8-2.pdf
- Description:
- IC SUPERVISOR 2 CHANNEL TSOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:3,209
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Product details
Overview
LTC2960HTS8-2 from Analog Devices (formerly Linear Technology) is a nano-current, high-voltage two-input voltage supervisor IC designed for battery and regulator monitoring in harsh environments. It features 850nA quiescent current, ±1.5% threshold accuracy over –40°C to 125°C, adjustable ADJ/IN– reset thresholds, 200ms fixed reset timeout, and 36V open-drain RST/OUT outputs in an 8-lead TSOT-23 package - ideal for automotive battery disconnect and deep-discharge protection circuits.
For engineers reviewing the LTC2960HTS8-2 datasheet, LTC2960HTS8-2 pinout, LTC2960HTS8-2 application, or LTC2960HTS8-2 equivalent, key selection considerations include its IN– input configuration for overvoltage detection, 36V open-drain output capability, –40°C to 125°C extended temperature rating, and compatibility with high-side sensing in multicell Li-ion systems up to 8.4V.
Technical Context
The LTC2960HTS8-2 implements dual comparators: one monitors the ADJ input for reset generation (falling threshold), while the second uses the IN– input to detect rising voltage conditions - enabling overvoltage supervision. Its internal 400mV reference and precision hysteresis (±20mV on IN–) ensure stable triggering despite supply noise or load transients.
It operates from 2.5V to 36V VCC, draws only 850nA typical supply current at 36V, and supports manual reset (MR) with 20µs minimum pulse width detection. The 200ms reset timeout is fixed (no RT pin), and outputs remain valid down to VCC = 1.2V before guaranteed low assertion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Operating Range | 2.5V to 36V - enables direct connection to multicell battery stacks without external regulation. |
| Quiescent Current | 850nA max at 36V and –40°C to 125°C - preserves battery life in always-on monitoring applications. |
| Reset Threshold Accuracy | ±1.5% over full temperature range - ensures reliable brown-out detection across automotive thermal cycles. |
| IN– Input Hysteresis | 20mV (5% of 400mV reference) - prevents chatter during slow-rising overvoltage events like alternator surges. |
| Reset Timeout Period | Fixed 200ms - provides sufficient system initialization time after power recovery without external timing components. |
| Output Type | 36V open-drain RST and OUT - allows pull-up to any logic rail ≤36V, supporting mixed-voltage system interfacing. |
| Operating Temperature | –40°C to 125°C (H-grade) - qualified for under-hood automotive and industrial embedded use. |
Pinout & Package
Package: 8-lead TSOT-23 (ThinSOT™), 3.0mm × 1.7mm footprint, exposed pad optional, RoHS-compliant lead-free finish (LTGBB marking).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Main power supply input | Accepts 2.5V–36V; UVLO asserts outputs below 1.85V; bypass with 0.1µF ceramic capacitor. |
| RT/DVCC | Not connected (NC) - pin repurposed as DVCC in -3/-4 variants only | Unused in LTC2960HTS8-2; must be left floating or tied to GND per datasheet guidance for -1/-2 variants. |
| RST | Reset output | Open-drain, 36V-rated; pulls low when ADJ falls below threshold; released after 200ms timeout and hysteresis margin. |
| OUT | Spare comparator output | Open-drain, 36V-rated; pulls low when IN– rises above threshold - used for overvoltage flag or battery disconnect control. |
| IN– | Inverting threshold input | Configures rising-voltage trip point via resistive divider; 400mV internal reference; ±20mV hysteresis. |
| ADJ | Reset threshold adjustment input | Configures falling-voltage reset point via resistive divider; 400mV reference; ±10mV hysteresis. |
| MR | Manual reset input | Active-low; 0.4V logic threshold; 20µs minimum pulse width; internal 1µA pull-up enables push-button interface. |
| GND | Device ground reference | Return path for all analog and digital functions; connect directly to PCB ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Nano-power operation | 850nA max ICC enables >10-year battery life in coin-cell–powered security sensors. |
| Dual independent comparators | ADJ for reset (falling edge) + IN– for overvoltage (rising edge) - eliminates need for external comparators in battery disconnect designs. |
| 36V open-drain outputs | RST and OUT tolerate up to 40V absolute max - supports direct interface with 24V/36V industrial buses and automotive loads. |
| Extended temperature grade | H-grade (–40°C to 125°C) with 150°C junction limit - meets AEC-Q100 stress requirements for under-hood deployment. |
| Adjustable thresholds with <1% error | Resistive dividers set custom trip points; input leakage ≤0.1nA ensures <0.1% divider error with ≤10MΩ total resistance. |
Applications
| Battery Disconnect Protection | Automotive Voltage Supervision |
|---|---|
|
Use Scenario: Preventing Li-ion battery deep discharge by disconnecting load when cell voltage drops below safe threshold. IC Role / Device Role / Timing Role: LTC2960HTS8-2 monitors battery stack via ADJ input and triggers MOSFET gate driver (e.g., Si4435) through OUT to open circuit. Use Value: Eliminates external hysteresis network and timing RC; 200ms fixed timeout ensures clean disconnection without oscillation during voltage sag. |
Use Scenario: Monitoring 12V vehicle battery and alternator output for cold-crank detection and overvoltage shutdown. IC Role / Device Role / Timing Role: LTC2960HTS8-2 uses IN– input to detect alternator surge (>16V) and assert OUT to disable ECU power stage. Use Value: 36V-rated outputs interface directly with 24V truck systems; 125°C rating survives engine bay thermal cycling. |
| Portable Equipment Low-Battery Alert | Industrial Regulator UVLO |
|
Use Scenario: Generating early low-battery warning in handheld medical devices before critical shutdown. IC Role / Device Role / Timing Role: LTC2960HTS8-2 ADJ input senses regulated 3.3V rail; RST drives LED driver or microcontroller NMI pin. Use Value: 850nA supply current extends runtime; ±1.5% accuracy avoids premature alerts during transient load dips. |
Use Scenario: Enabling/disabling DC/DC converter based on input bus voltage to prevent operation outside safe range. IC Role / Device Role / Timing Role: LTC2960HTS8-2 OUT output controls EN pin of buck regulator (e.g., LT3991) using IN–-configured rising-threshold UVLO. Use Value: Fixed 200ms delay prevents false turn-off during brief line sags; 36V tolerance accommodates 24V industrial rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage supervisor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6326US29D3+T | Fixed 2.93V reset threshold; no adjustable IN– input; 1.6µA quiescent current; SOT23-5 package | Lacks dual-threshold flexibility and overvoltage detection; suited only for single-rail reset, not battery disconnect | Select only if fixed threshold suffices and nano-power is not required. |
| TPS3808G33DBVR | Fixed 3.3V reset; 1.8µA ICC; includes watchdog timer; 6-pin SOT23 | No secondary comparator; no 36V output rating; requires external circuitry for overvoltage flagging | Choose when watchdog functionality is needed and system voltage is stable 3.3V rail. |
Compared with MAX6326US29D3+T and TPS3808G33DBVR, the LTC2960HTS8-2 uniquely delivers adjustable dual-threshold supervision, 36V open-drain outputs, and 850nA quiescent current - making it the only option capable of standalone battery disconnect and automotive overvoltage protection without auxiliary components.
Availability
LTC2960HTS8-2 is available at Aetrix Electronics and suitable for automotive battery management, industrial regulator enable/disable, and portable equipment low-battery alerting requiring stable component supply across extended temperature ranges.
Supply support for LTC2960HTS8-2 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 acquired Linear Technology in 2017 and maintains its high-reliability analog IC portfolio, emphasizing precision, low-power, and ruggedized performance for mission-critical systems.
The LTC2960HTS8-2 belongs to Linear's voltage supervisor family, engineered specifically for ultra-low-power, high-voltage monitoring in battery-powered and automotive applications where accuracy, temperature stability, and output drive capability are essential.
FAQ
What is the function of the IN– input on the LTC2960HTS8-2?
The IN– input on the LTC2960HTS8-2 serves as an inverting threshold comparator that triggers the OUT output when the monitored voltage rises above the programmed threshold. This enables overvoltage detection - for example, disconnecting a load when a 12V automotive rail exceeds 16V due to alternator surge. The LTC2960HTS8-2 uses this pin instead of IN+, distinguishing it from the -1 and -3 variants.
Does the LTC2960HTS8-2 support adjustable reset timeout periods?
No, the LTC2960HTS8-2 has a fixed 200ms reset timeout period. Unlike the -1 and -2 variants which use the RT pin to select between 15ms and 200ms, the LTC2960HTS8-2 omits RT functionality - consistent with its -2 variant lineage and H-grade TSOT-23 packaging. This simplifies design by removing external timing component dependencies.
Can the LTC2960HTS8-2 outputs drive a 5V logic input directly?
Yes, the RST and OUT outputs of the LTC2960HTS8-2 are 36V open-drain and can interface directly with 5V logic inputs when pulled up to 5V via an external resistor. The device itself does not source current on these pins; the pull-up defines the high-level voltage, allowing seamless integration with mixed-voltage systems without level shifters.
What is the maximum input voltage allowed on the ADJ and IN– pins of the LTC2960HTS8-2?
The ADJ and IN– pins of the LTC2960HTS8-2 have an absolute maximum rating of –0.3V to 3.5V. To avoid damage, resistive dividers must scale higher-voltage sources (e.g., 8.4V battery stack) so that the voltage presented to ADJ or IN– never exceeds 3.5V - typically limiting measurable input to ≤8.75× the configured threshold (e.g., 3.5V / 0.4V = 8.75×).
How does the manual reset (MR) input behave during power-up of the LTC2960HTS8-2?
The MR input of the LTC2960HTS8-2 features an internal 1µA pull-up current source, ensuring a defined logic-high state at power-up. When MR is pulled low externally, RST immediately goes low and remains low for the full 200ms timeout after MR returns high - providing deterministic reset sequencing even during brown-out recovery. This behavior is fully specified across –40°C to 125°C.
LTC2960HTS8-2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-8 Thin, TSOT-23-8
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 2
- Voltage - Threshold:
- Adjustable/Selectable
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- Adjustable/Selectable
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-8
LTC2960HTS8-2 FAQ
1.How can I place an order for LTC2960HTS8-2 through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2960HTS8-2 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 LTC2960HTS8-2 reliable?
The price and inventory of LTC2960HTS8-2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2960HTS8-2 is usually 5 days.
3.What payment methods are accepted for LTC2960HTS8-2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2960HTS8-2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2960HTS8-2?
LTC2960HTS8-2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2960HTS8-2 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 LTC2960HTS8-2?
For technical support, including LTC2960HTS8-2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2960HTS8-2 requirements.
6.How does Aetrix verify that LTC2960HTS8-2 is sourced from the original manufacturer or authorized distributors?
All LTC2960HTS8-2 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 LTC2960HTS8-2 meets industry standards.
7.What is the process for return or replacement of LTC2960HTS8-2?
All LTC2960HTS8-2 units undergo pre-shipment inspection (PSI). If there is an issue with LTC2960HTS8-2, 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 LTC2960HTS8-2 part is unused and in its original packaging.
Return procedure for LTC2960HTS8-2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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