Texas Instruments TLV9032QDDFRQ1

Overview

TLV9032QDDFRQ1 from Texas Instruments is an automotive-grade dual precision comparator with push-pull output, operating from 1.65V to 5.5V supply, featuring 300μV input offset voltage, 100ns propagation delay (high-to-low), and rail-to-rail input voltage range exceeding the rails. It delivers known-state startup via Power-On Reset and supports fault-tolerant inputs up to 6V without damage or phase inversion-used in HEV/EV powertrain voltage monitoring and body control module threshold detection.

For engineers reviewing the TLV9032QDDFRQ1 datasheet, TLV9032QDDFRQ1 pinout, TLV9032QDDFRQ1 application, or TLV9032QDDFRQ1 equivalent, key selection criteria include AEC-Q100 Grade 1 qualification (–40°C to +125°C), low 16μA per-channel quiescent current, open-loop gain of 50–200 V/mV (open-drain variant only), and compatibility with 15pF capacitive loads in automotive signal conditioning circuits.

Technical Context

The TLV9032QDDFRQ1 implements a dual-channel, push-pull output architecture with independent input stages supporting rail-to-rail common-mode range from (V−) − 0.2V to (V+) + 0.2V. Its internal Power-On Reset circuit ensures output remains in a defined state until supply reaches minimum operating voltage, eliminating transients during system power-up/down sequences.

Each channel features fault-tolerant inputs rated for 6V absolute maximum (beyond rails), 5pA typical input bias current, and 2–3pF input capacitance. The device achieves 75–95dB PSRR and 60–70dB CMRR across 1.8V–5V supplies and full temperature range, enabling stable operation in noisy automotive environments.

Key Specifications

Pinout & Package

TLV9032QDDFRQ1 is packaged in an 8-pin DDF (SOT-23-THN) package measuring 1.60mm × 2.90mm, with exposed thermal pad connected directly to V− for enhanced thermal performance in high-density automotive PCB layouts.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLV9032QDRQ1, TLV9032QDDFRQ1 offers superior board-space efficiency and lower thermal resistance in thermally dense modules; versus LM7322QDRQ1, it trades speed for guaranteed startup behavior, lower power, and stricter ambient temperature qualification essential for body electronics.

Availability

TLV9032QDDFRQ1 is available at Aetrix Electronics and suitable for HEV/EV battery management, infotainment power sequencing, and body control module designs requiring stable component supply across automotive production lifecycles.

Supply support for TLV9032QDDFRQ1 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 specializing in analog and embedded processing technologies, with deep expertise in automotive-grade IC design and manufacturing.

The TLV903x-Q1 product line was developed specifically for automotive signal conditioning applications demanding precision, low power, and robustness in harsh environments-including powertrain, chassis, and body electronics.

FAQ

What is the maximum input voltage the TLV9032QDDFRQ1 can tolerate without damage?

The TLV9032QDDFRQ1 features fault-tolerant inputs rated for –0.3V to 6V relative to V−, meaning either input (IN1± or IN2±) can safely accept voltages up to 6V above V−-even when V+ is as low as 1.65V. This allows direct interface with 5V sensors or LIN bus signals without external clamping or level-shifting circuitry, and is validated per AEC-Q100 stress testing protocols.

Does the TLV9032QDDFRQ1 have built-in Power-On Reset, and how does it affect system startup?

Yes, the TLV9032QDDFRQ1 integrates a dedicated Power-On Reset (POR) circuit that holds both outputs in a known state (low for push-pull configuration) until the supply voltage reaches the minimum operating level (1.65V). This prevents undefined output transitions during power ramp-up or brownout conditions-critical for avoiding false triggers in safety-related functions like airbag precharge monitoring or brake-by-wire enable logic.

Can the TLV9032QDDFRQ1 drive a MOSFET gate directly, and what is its output current capability?

Yes, the TLV9032QDDFRQ1's push-pull output can directly drive small- to medium-size MOSFET gates. Each output sources or sinks ≥4mA with ≤175mV saturation voltage across the full –40°C to +125°C temperature range, enabling fast turn-on/turn-off of logic-level N-channel MOSFETs used in load switching or LED dimming circuits without external buffers.

How does the TLV9032QDDFRQ1 differ from the TLV9022QDDFRQ1 in terms of output stage and application suitability?

The TLV9032QDDFRQ1 uses a push-pull output stage, while TLV9022QDDFRQ1 uses open-drain. This means TLV9032QDDFRQ1 can actively drive high and low states without external pull-up resistors-ideal for driving LEDs, logic inputs, or MOSFET gates. TLV9022QDDFRQ1 requires a pull-up and is preferred for wired-OR configurations or level translation across different voltage domains.

Is the TLV9032QDDFRQ1 compatible with 1.8V logic systems, and what is its performance at that supply?

Yes, the TLV9032QDDFRQ1 operates down to 1.65V supply and is fully specified at 1.8V. At 1.8V, it maintains 300μV typical input offset voltage, 16μA per-channel quiescent current, and 100ns propagation delay. Its rail-to-rail input range extends to (V−) − 0.2V, allowing accurate sensing of signals near ground-making it ideal for low-voltage battery monitoring in 1.8V microcontroller subsystems.