Texas Instruments TLV9034QPWRQ1

Overview

TLV9034QPWRQ1 from Texas Instruments is a quad-channel automotive-grade precision comparator with push-pull output, 100 ns propagation delay, ±0.3 mV typical input offset voltage, and 16 µA per channel quiescent current. It operates from 1.65 V to 5.5 V and supports rail-to-rail inputs exceeding supply rails-used in HEV/EV powertrain voltage monitoring and body control module fault detection.

For engineers reviewing the TLV9034QPWRQ1 datasheet, TLV9034QPWRQ1 pinout, TLV9034QPWRQ1 application, or TLV9034QPWRQ1 equivalent, key selection criteria include AEC-Q100 Grade 1 qualification (–40°C to +125°C), fault-tolerant inputs up to 6 V, Power-On Reset (POR) for deterministic startup, and quad-channel push-pull drive capability for direct LED/MOSFET gate interfacing.

Technical Context

The TLV9034QPWRQ1 implements a high-speed, low-power comparator core with internal POR circuitry ensuring output remains in a known state until V_S ≥ 1.65 V, eliminating transients during power ramp-up/down. Its input stage features ESD-hardened, fault-tolerant architecture allowing IN+ and IN− to safely exceed V+ by up to 0.2 V or go as low as (V−) − 0.2 V without phase inversion or damage.

As a push-pull variant in the TLV903x-Q1 family, it delivers symmetrical sourcing/sinking capability (≥90 mA short-circuit current) and rail-aligned output swing (V_OL ≤ 175 mV at 4 mA sink, V_OH ≤ 175 mV at 4 mA source over temperature), enabling direct interface with 1.8 V/3.3 V logic and capacitive loads like MOSFET gates.

Key Specifications

Pinout & Package

Texas Instruments TLV9034QPWRQ1 is packaged in a 14-pin TSSOP (PW) with nominal body size 4.40 mm × 5.00 mm and exposed thermal pad connected to V−.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLV9034IPWR, TLV9034QPWRQ1 adds AEC-Q100 Grade 1 qualification and fault-tolerant inputs, making it suitable for powertrain and ADAS; versus LM339QDRQ1, it delivers 13× lower quiescent current, 13× faster propagation, and integrated POR-critical for modern low-power, high-reliability automotive electronics.

Availability

TLV9034QPWRQ1 is available at Aetrix Electronics and suitable for HEV/EV battery management, automotive body control modules, and infotainment power sequencing requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLV9034QPWRQ1 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 headquartered in Dallas, Texas, designing and manufacturing analog and embedded processing chips for industrial, automotive, and consumer markets.

The TLV903x-Q1 product line delivers precision, low-power comparators optimized for automotive applications demanding AEC-Q100 qualification, fault tolerance, and deterministic behavior across –40°C to +125°C ambient conditions.

FAQ

What is the maximum input voltage the TLV9034QPWRQ1 can tolerate without damage?

The TLV9034QPWRQ1 supports input voltages from (V−) − 0.2 V to 6 V, independent of supply voltage. This fault-tolerant capability allows direct connection to battery rails or noisy sensor outputs without external protection components. The 6 V absolute maximum applies to both IN+ and IN− pins, verified per AEC-Q100 stress testing protocols.

Does the TLV9034QPWRQ1 include Power-On Reset functionality?

Yes, the TLV9034QPWRQ1 integrates a dedicated Power-On Reset (POR) circuit that holds outputs in a known state until the supply voltage reaches the minimum operating threshold of 1.65 V. This prevents undefined output transitions during power ramp-up or brownout conditions-critical for automotive safety systems where spurious signals could trigger unintended actions.

What package type is used for the TLV9034QPWRQ1 and what are its thermal characteristics?

The TLV9034QPWRQ1 uses a 14-pin TSSOP (PW) package measuring 4.40 mm × 5.00 mm with an exposed thermal pad connected to V−. Its junction-to-ambient thermal resistance (R_θJA) is 155.0 °C/W, and junction-to-board (R_θJB) is 98.5 °C/W-enabling reliable operation at full spec in compact automotive PCB layouts with standard 2-layer copper pours.

Can the TLV9034QPWRQ1 drive MOSFET gates directly?

Yes, the TLV9034QPWRQ1's push-pull output can source and sink ≥90 mA, enabling direct drive of small- to medium-size MOSFET gates without external buffers. Its fast 100 ns propagation delay and rail-aligned output swing (V_OL/V_OH ≤ 175 mV at 4 mA) ensure precise timing control in power-switching applications such as LED drivers and solenoid controllers.

How does the TLV9034QPWRQ1 differ from the TLV9024QPWRQ1?

The TLV9034QPWRQ1 features push-pull outputs, while TLV9024QPWRQ1 uses open-drain outputs. This makes TLV9034QPWRQ1 suitable for driving loads without pull-up resistors and for bidirectional signaling, whereas TLV9024QPWRQ1 is preferred for wired-OR bus configurations or level translation across different voltage domains.