Analog Devices Inc. LTC2960ITS8-1#TRPBF

Overview

LTC2960ITS8-1#TRPBF from Analog Devices (formerly Linear Technology) is a nano-power, high-voltage two-input voltage supervisor IC designed for battery monitoring and system reset control in multicell Li-ion, automotive, and industrial power rails. It features 850nA quiescent current, ±1.5% threshold accuracy over –40°C to +85°C, adjustable ADJ/IN+ reset thresholds via external resistive dividers, 15ms/200ms selectable reset timeout, and 36V open-drain RST/OUT outputs. It is used in portable equipment to detect low-battery conditions and initiate controlled shutdown before deep discharge.

For engineers reviewing the LTC2960ITS8-1#TRPBF datasheet, LTC2960ITS8-1#TRPBF pinout, LTC2960ITS8-1#TRPBF application, or LTC2960ITS8-1#TRPBF equivalent, key selection criteria include its 36V operating range, dual-comparator architecture with IN+ input, RT-selectable reset timeout, TSOT-23-8 package compatibility, and suitability for battery-powered systems requiring ultra-low ICC and wide temperature operation.

Technical Context

The LTC2960ITS8-1#TRPBF implements a precision 400mV internal reference with two independent comparators: one monitors the ADJ input for reset assertion (RST low), while the second monitors IN+ for auxiliary status signaling (OUT low). Its reset logic includes built-in 2.5% hysteresis on ADJ and 5% hysteresis on IN+, plus a programmable timeout delay (15ms or 200ms via RT pin) before RST releases after threshold recovery.

This variant uses an open-drain output architecture compatible with pull-up voltages up to 36V, supports manual reset (MR) with 20µs minimum pulse width, and operates across VCC = 2.5V–36V with guaranteed functionality down to VCC = 1.2V. The TSOT-23-8 package enables compact placement in space-constrained battery management circuits.

Key Specifications

Pinout & Package

Package: 8-lead TSOT-23 (ThinSOT™), 2.9mm × 1.6mm × 0.9mm, exposed pad optional. Compatible with standard SMT reflow profiles.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar voltage supervisor applications.

Compared with MAX6326–31D2T+ and TPS3808G33DBVR, the LTC2960ITS8-1#TRPBF delivers unique dual-comparator supervision, 36V-tolerant open-drain outputs, and sub-1µA quiescent current - making it the only option suitable for long-life, high-voltage, multi-threshold battery management where space and power are constrained.

Availability

LTC2960ITS8-1#TRPBF is available at Aetrix Electronics and suitable for portable medical monitors, battery-powered security sensors, automotive telematics units, and industrial data loggers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for LTC2960ITS8-1#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. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and power management semiconductors, serving industrial, automotive, communications, and healthcare markets.

The LTC2960ITS8-1#TRPBF belongs to Linear's nano-power supervisor product line, engineered specifically for battery-critical applications demanding ultra-low ICC, wide input voltage range, and configurable dual-threshold monitoring in minimal footprint packages.

FAQ

What is the maximum input voltage the LTC2960ITS8-1#TRPBF can withstand on its VCC pin?

The LTC2960ITS8-1#TRPBF has an absolute maximum VCC rating of 40V. It operates continuously from 2.5V to 36V, and remains functional down to 1.2V. For transient protection above 36V, external Zener clamping (e.g., BZX84C30) and series current-limiting resistors are recommended per Linear Application Note 2960 F07a.

How does the RT pin configure the reset timeout period in the LTC2960ITS8-1#TRPBF?

In the LTC2960ITS8-1#TRPBF, the RT pin selects between two factory-trimmed reset timeout periods: connecting RT to GND configures 15ms, while connecting RT to VCC selects 200ms. This selection occurs at power-up and remains active until the next VCC cycle. No external capacitor or resistor is required - the timing is fully internal and temperature-compensated.

Can the LTC2960ITS8-1#TRPBF monitor both overvoltage and undervoltage conditions simultaneously?

No - the LTC2960ITS8-1#TRPBF (as a -1 variant) uses IN+ for undervoltage detection only: OUT goes low when IN+ falls below threshold and releases when IN+ rises above threshold +5% hysteresis. For overvoltage detection, the LTC2960-2 or LTC2960-4 variants (with IN– input) are required. Dual-direction monitoring requires external circuitry or a different device family.

What is the purpose of the DVCC pin on the LTC2960ITS8-1#TRPBF?

The LTC2960ITS8-1#TRPBF does not use DVCC functionality - its pin 2 is labeled RT/DVCC but operates solely as the RT (reset timeout select) input. DVCC is only active on LTC2960-3 and LTC2960-4 variants, where it serves as a logic supply for active-pull-up outputs. On the LTC2960ITS8-1#TRPBF, DVCC is unused and may be left floating or tied to GND without impact.

How accurate is the reset threshold of the LTC2960ITS8-1#TRPBF over temperature?

The LTC2960ITS8-1#TRPBF guarantees ±1.5% reset threshold accuracy over its full operating temperature range of –40°C to +85°C. This specification applies to the internal 400mV reference driving the ADJ comparator and is confirmed in the Electrical Characteristics table (VTH parameter, "l" column). External resistor tolerances and temperature coefficients will add to total system error.