Texas Instruments TLV9020QDBVRQ1

Overview

TLV9020QDBVRQ1 from Texas Instruments is a single-channel, open-drain precision comparator with rail-to-rail fault-tolerant inputs, 300 µV input offset voltage, 100 ns propagation delay, and 16 µA quiescent current per channel-designed for low-voltage logic translation and precision voltage monitoring in automotive motor drives and infotainment systems.

For engineers reviewing the TLV9020QDBVRQ1 datasheet, TLV9020QDBVRQ1 pinout, TLV9020QDBVRQ1 application, or TLV9020QDBVRQ1 equivalent, key selection criteria include its AEC-Q100 Grade 1 qualification, 1.65 V to 5.5 V supply range, -40°C to +125°C operating temperature, SC-70 (DCK) package compatibility, and open-drain output supporting level-shifting across supply domains.

Technical Context

The TLV9020QDBVRQ1 implements a high-speed, low-power comparator core with ESD-hardened, fault-tolerant inputs capable of withstanding up to 6 V independent of supply rails-enabling direct interface with higher-voltage sensors or legacy buses without external clamping. Its open-drain output supports flexible pull-up configurations below, at, or above V+, making it suitable for bidirectional logic translation between disparate voltage domains.

Internally, the device features a precision input stage with 5 pA input bias current and 2–3 pF input capacitance, optimized for stability with minimal external compensation. The 100 ns propagation delay is maintained across the full 1.65 V–5.5 V supply range and over the entire -40°C to +125°C temperature span, with guaranteed performance under worst-case process, voltage, and temperature (PVT) corners.

Key Specifications

Pinout & Package

TLV9020QDBVRQ1 is packaged in a 5-pin SC-70 (DCK) package measuring 1.25 mm × 2.00 mm, with thermal pad connected internally to V−. This compact, surface-mount package supports high-density automotive PCB layouts and automated assembly.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLV9020QDCKRQ1, TLV9020QDBVRQ1 offers identical performance in a marginally larger SOT-23-5 package that eases manufacturability and improves thermal margin; versus LMV7219QMF/NOPB, TLV9020QDBVRQ1 delivers superior speed, lower power, and integrated fault tolerance-reducing BOM count and layout complexity in automotive designs.

Availability

TLV9020QDBVRQ1 is available at Aetrix Electronics and suitable for automotive motor drives, infotainment power sequencing, and battery management systems requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.

Supply support for TLV9020QDBVRQ1 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 leader delivering analog and embedded processing solutions, with deep expertise in precision analog, automotive ICs, and high-reliability manufacturing.

The TLV902x family was designed specifically for automotive-grade precision voltage monitoring and fast-response fault detection-targeting harsh, electrically noisy environments where reliability, low power, and input robustness are non-negotiable.

FAQ

What is the maximum input voltage allowed on IN+ or IN− pins of TLV9020QDBVRQ1?

The TLV9020QDBVRQ1 features fault-tolerant inputs rated for −0.3 V to +6 V relative to V−, regardless of the V+ supply voltage. This means IN+ or IN− can safely accept signals up to 6 V above V−-even if V+ is only 1.8 V-without damage or output phase inversion, enabling direct connection to higher-voltage sensors or legacy buses.

Does TLV9020QDBVRQ1 support operation from a 1.8 V supply?

Yes, TLV9020QDBVRQ1 is fully specified for operation from 1.65 V to 5.5 V. At 1.8 V supply, it maintains 100 ns typical propagation delay, ±0.3 mV input offset voltage, and 16 µA quiescent current-making it ideal for low-voltage microcontroller interfaces and energy-harvesting subsystems in automotive body electronics.

Is TLV9020QDBVRQ1 pin-compatible with other comparators in the TLV902x family?

TLV9020QDBVRQ1 uses the TLV90x0 pinout (IN−, V−, IN+, OUT, V+) in the 5-pin SOT-23 (DBV) package. It is pin-compatible with TLV9021QDBVRQ1 (TLV90x1 pinout) only if board layout accommodates the swapped IN+ and OUT positions; mechanical compatibility exists, but electrical routing must match the intended pin function mapping.

What is the output behavior of TLV9020QDBVRQ1 when the output is not pulled up?

TLV9020QDBVRQ1 has an open-drain output that remains in a high-impedance (Hi-Z) state when not externally pulled up. No valid logic level is present at the output without a pull-up resistor; the device cannot source current. A pull-up resistor to any voltage ≤ 6 V is mandatory to establish defined HIGH/LOW states for interfacing with downstream logic or microcontrollers.

How does TLV9020QDBVRQ1 handle input overvoltage during power-down conditions?

During power-down (V+ = 0 V), TLV9020QDBVRQ1's fault-tolerant inputs remain protected up to 6 V above V− (typically ground). Input clamp diodes steer excess current safely to V−, and the output stays Hi-Z. This allows "hot insertion" of sensor signals before power is applied-critical for automotive modules that must survive battery disconnect/reconnect events.