Texas Instruments TLV3601QDBVRQ1

Overview

TLV3601QDBVRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified high-speed comparator with 2.5 ns propagation delay, 325 MHz toggle frequency, and 1.25 ns minimum pulse width detection capability. It features rail-to-rail inputs extending 200 mV beyond both supply rails, ±5 mV input offset voltage, and push-pull output for direct CMOS interfacing - used in battery management systems and mechanically scanning LIDAR timing circuits.

For engineers reviewing the TLV3601QDBVRQ1 datasheet, TLV3601QDBVRQ1 pinout, TLV3601QDBVRQ1 application, or TLV3601QDBVRQ1 equivalent, key selection criteria include propagation delay stability over temperature, overdrive dispersion (600 ps), input common-mode range, supply voltage flexibility (2.4 V to 5.5 V), and functional safety documentation support for ISO 26262-compliant designs.

Technical Context

The TLV3601QDBVRQ1 implements a single-channel, rail-to-rail input comparator architecture with a fast bipolar-CMOS-DMOS (BCD) process, enabling sub-3 ns propagation delay across –40°C to +125°C. Its push-pull output stage eliminates external pull-up resistors and supports direct connection to downstream digital controllers without level-shifting.

Unlike the TLV3603-Q1, it lacks latch/hysteresis control pins and operates in a single functional mode with known startup via integrated Power-On Reset (VPOR = 2.1 V). Input bias current remains ≤5 µA across temperature, and common-mode rejection exceeds 80 dB under full supply and temperature range.

Key Specifications

Pinout & Package

TLV3601QDBVRQ1 is packaged in a 5-pin SOT-23 (DBV) package with 2.90 mm × 1.60 mm body size and standard lead pitch. The package supports reflow soldering per JEDEC J-STD-020 and is rated for automotive temperature operation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed comparator applications.

Compared with TLV3601QDCKRQ1, the TLV3601QDBVRQ1 offers superior thermal dissipation (RθJB = 43.4°C/W vs. 58.9°C/W) and mechanical robustness in vibration-prone automotive environments; compared with LMH7322MQX/NOPB, it provides guaranteed automotive qualification, lower offset, and tighter timing specs essential for ASIL-B systems.

Availability

TLV3601QDBVRQ1 is available at Aetrix Electronics and suitable for battery management systems, mechanically scanning LIDAR, and fuel cell control units requiring stable component supply across extended automotive temperature ranges and long production lifecycles.

Supply support for TLV3601QDBVRQ1 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

Texas Instruments is a global semiconductor company specializing in analog and embedded processing technologies, with leadership in automotive-grade precision analog solutions.

The TLV360x-Q1 product line was designed specifically for high-reliability automotive timing-critical applications including time-of-flight sensing, motor control feedback, and functional safety subsystems compliant with ISO 26262.

FAQ

What is the maximum operating temperature range for TLV3601QDBVRQ1?

The TLV3601QDBVRQ1 is qualified for AEC-Q100 Grade 1 operation with an ambient temperature range of –40°C to +125°C. This rating is validated across all electrical parameters including propagation delay, input offset voltage, and supply current, ensuring reliable performance in engine bay and powertrain control modules where thermal stress is extreme.

Does TLV3601QDBVRQ1 support rail-to-rail input operation?

Yes, TLV3601QDBVRQ1 supports rail-to-rail input operation with common-mode voltage range extending 200 mV beyond both VEE and VCC rails (VEE – 0.2 V to VCC + 0.2 V). This allows direct interface with sensors and transducers that swing below ground or above supply, eliminating need for external level-shifting circuitry in DC/DC converter feedback paths.

What is the purpose of the Power-On Reset (POR) circuit in TLV3601QDBVRQ1?

The POR circuit in TLV3601QDBVRQ1 holds the output low at VEE until VCC reaches 2.1 V, providing a known startup state during power ramp-up. This prevents undefined or metastable output transitions in safety-critical applications such as battery management fault detection, where spurious signals could trigger false shutdowns.

Can TLV3601QDBVRQ1 be used in place of TLV3603QDBVRQ1?

No, TLV3601QDBVRQ1 cannot replace TLV3603QDBVRQ1 because it lacks the LE/HYST pin required for adjustable hysteresis and latch functionality. TLV3603QDBVRQ1 uses a 6-pin SC70 package and supports noise-immune latching modes; TLV3601QDBVRQ1 is a 5-pin fixed-function comparator with identical speed but no programmable features.

What load capacitance is specified for TLV3601QDBVRQ1 timing parameters?

TLV3601QDBVRQ1 propagation delay, rise time, and fall time are characterized with a 5 pF capacitive load - matching standard CMOS input loading. Performance degrades linearly with higher capacitance; Figure 6-45 shows tPD increases to ~4 ns at 50 pF load. For optimal timing, keep output trace capacitance ≤10 pF using short, controlled-impedance routing.