Silicon Labs TS9001-1IJ5

Overview

TS9001-1IJ5 from Silicon Laboratories is a nanopower, rail-to-rail input analog comparator with integrated 1.252 V ±1% voltage reference and push-pull output stage, operating from 1.6 V to 5.5 V supply, consuming only 600 nA typical supply current, and supporting ultra-low-power battery monitoring in 2-cell systems.

For engineers reviewing the TS9001-1IJ5 datasheet, TS9001-1IJ5 pinout, TS9001-1IJ5 application, or TS9001-1IJ5 equivalent, this page delivers verified specifications, SC70-5 package layout, internal hysteresis behavior, reference accuracy (±1% at +25°C), and design-critical timing data including 25 µs low-to-high propagation delay at 1.6 V.

Technical Context

The TS9001-1IJ5 implements a robust input stage tolerant of inputs extending 200 mV beyond supply rails (VEE − 0.2 V to VCC + 0.2 V) and features 4 mV internal hysteresis to prevent oscillation near trip points. Its push-pull output drives ±5 mA loads with rail-to-rail swing - VOH ≤ 400 mV above VEE at 5 mA sink (VCC = 5 V), VOL ≤ 300 mV below VCC at 5 mA source.

It integrates a buffered 1.252 V reference with 10 ppm/°C max temperature coefficient, 0.1 mV/V line regulation, and 0.2 mV/nA load regulation. Input offset voltage is 10 mV max over −40°C to +85°C, and power-supply rejection ratio is 1 mV/V across 1.6–5.5 V.

Key Specifications

Pinout & Package

TS9001-1IJ5 is housed in a 5-pin SC70 package (JEDEC MO-203 AA), measuring 2.0 mm × 1.25 mm × 0.9 mm, with gull-wing leads and 0.65 mm pitch. The package supports reflow soldering and is lead-free compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar analog comparator applications.

Compared with MAX9117ASA+, TS9001-1IJ5 delivers 60% lower supply current and guaranteed 1.6 V start-up; versus TLV3691IDCKR, it integrates a trimmed reference and supports lower supply voltage - making TS9001-1IJ5 the sole option for self-contained, sub-1.8 V nanopower threshold detection.

Availability

TS9001-1IJ5 is available at Aetrix Electronics and suitable for 2-cell battery monitoring, medical instrument threshold detection, and ultra-low-power telemetry requiring stable component supply, long-lifecycle assurance, and consistent parametric performance across production batches.

Supply support for TS9001-1IJ5 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

Silicon Laboratories is a U.S.-based fabless semiconductor company specializing in energy-efficient mixed-signal ICs, with leadership in timing, IoT connectivity, and precision analog solutions.

The TS9001-1IJ5 belongs to Silicon Labs' "NanoWatt Analog" portfolio, designed specifically for battery-powered systems demanding sub-µA operation, rail-to-rail input integrity, and integrated voltage references - targeting medical, telemetry, and portable instrumentation markets.

FAQ

What is the minimum operating voltage for TS9001-1IJ5?

The TS9001-1IJ5 guarantees functional operation down to +1.6 V supply voltage across the full −40°C to +85°C temperature range, as confirmed in the Absolute Maximum Ratings and Electrical Characteristics tables. This enables direct interface with aging alkaline or lithium primary cells without voltage boosting, and is a key differentiator from comparators requiring ≥1.8 V.

Does TS9001-1IJ5 require external hysteresis components?

No - TS9001-1IJ5 includes 4 mV internal hysteresis, eliminating the need for external positive-feedback resistors in most threshold-detection applications. This simplifies design, saves PCB area, and improves reliability. External hysteresis can be added using three resistors if wider bands (e.g., 100 mV) are required, as detailed in the Applications Information section.

Can TS9001-1IJ5 sense voltages below ground?

Yes - the input stage supports common-mode voltage down to VEE − 0.2 V. With VEE tied to ground (0 V), TS9001-1IJ5 accepts inputs as low as −0.2 V, enabling safe detection of small negative transients on grounded signal lines without external level-shifting circuitry or clamping diodes.

What is the output drive capability of TS9001-1IJ5?

The TS9001-1IJ5 push-pull output drives ±5 mA loads with rail-to-rail swing: VOH ≤ 400 mV above VEE at 5 mA sink (VCC = 5 V), and VOL ≤ 300 mV below VCC at 5 mA source. This allows direct interfacing with standard CMOS logic inputs and eliminates need for external pull-up resistors in most digital interface scenarios.

How accurate is the internal reference voltage in TS9001-1IJ5?

The TS9001-1IJ5 integrates a 1.252 V ±1% reference at +25°C, with total variation of 1.233 V to 1.270 V over −40°C to +85°C. Its temperature coefficient is 10 ppm/°C max, line regulation is 0.1 mV/V, and load regulation is ±0.2 mV/nA - making it suitable for precision threshold generation without external trimming.