Texas Instruments DRV5053CAQDBZR

Overview

DRV5053CAQDBZR from Texas Instruments is a chopper-stabilized analog bipolar Hall effect sensor in SOT-23 (DBZ) package, delivering +23 mV/mT sensitivity, 0.2–1.8 V ratiometric output, and operation from 2.5 V to 38 V supply. It provides linear magnetic field response with polarity discrimination, 35 µs power-on time, and reverse supply protection up to –22 V - used in damper controls, docking adjustment, and industrial position sensing.

For engineers reviewing the DRV5053CAQDBZR datasheet, DRV5053CAQDBZR pinout, DRV5053CAQDBZR application, or DRV5053CAQDBZR equivalent, key selection criteria include its positive-sensitivity analog output, automotive-grade (–40°C to 125°C) temperature stability, integrated reverse-battery and load-dump protection, and compatibility with microcontroller ADC inputs requiring >10 kΩ load impedance.

Technical Context

The DRV5053CAQDBZR employs chopper stabilization to suppress offset drift and achieve ±10% sensitivity stability over temperature. Its analog output stage delivers 300 µA source / 2.3 mA sink capability with quiescent voltage of 0.9–1.15 V at B = 0 mT, enabling direct interface to low-power ADCs without external amplification.

It operates across 2.5–38 V supply with no external regulator required, supports magnetic field detection from –35 mT to +35 mT (BSAT), and features internal thermal shutdown, output short-circuit protection, and 20 kHz bandwidth - optimized for real-time analog position and motion feedback in harsh environments.

Key Specifications

Pinout & Package

DRV5053CAQDBZR uses a 3-pin surface-mount SOT-23 (DBZ) package measuring 2.92 mm × 2.37 mm × 1.30 mm, optimized for space-constrained PCB layouts and automated assembly.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DRV5053EAQDBZR and A1302LLHLT-T, the DRV5053CAQDBZR offers optimal balance of sensitivity (+23 mV/mT), wide supply (2.5–38 V), AEC-Q100 qualification, and integrated protection - making it preferred for industrial and automotive analog position sensing where reliability and design simplicity are critical.

Availability

DRV5053CAQDBZR is available at Aetrix Electronics and suitable for damper controls, docking adjustment, and vibration correction requiring stable component supply, automotive-grade temperature performance, and long-term production continuity.

Supply support for DRV5053CAQDBZR 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 precision sensing, power management, and industrial interface solutions.

The DRV5053 product line delivers chopper-stabilized analog Hall sensors for contactless position, speed, and current sensing in automotive, industrial, and consumer systems - designed for high accuracy, robustness, and ease of integration.

FAQ

What is the sensitivity polarity of DRV5053CAQDBZR and how does it affect magnetic field interpretation?

The DRV5053CAQDBZR has a positive sensitivity of +23 mV/mT, meaning its output voltage increases above the 1 V quiescent level when a south magnetic pole is applied to the marked side of the package. This polarity simplifies unidirectional field detection in applications like damper position sensing, where increasing output directly correlates with increasing field strength in one direction - eliminating sign inversion logic in firmware.

Does DRV5053CAQDBZR require an external voltage regulator or filtering components?

No, DRV5053CAQDBZR operates directly from 2.5 V to 38 V with no external regulator required. Only a minimum 0.01 µF ceramic bypass capacitor between VCC and GND is mandatory for stability. External RC filtering is optional and only needed if system-level noise reduction below 20 kHz bandwidth is required - the device functions fully with just the bypass cap.

What is the maximum magnetic field range measurable by DRV5053CAQDBZR before output saturation?

DRV5053CAQDBZR saturates at ±35 mT (±350 Gauss), with output clamping to 0.2 V (minimum) for B < –35 mT and 1.8 V (maximum) for B > +35 mT. This full-scale range is confirmed at VCC = 3.3 V and TA = –40°C to 125°C, and remains stable due to chopper stabilization - enabling reliable analog position tracking within this linear window.

How does the reverse supply protection of DRV5053CAQDBZR function in automotive applications?

DRV5053CAQDBZR withstands continuous reverse supply voltages up to –22 V on the VCC pin relative to GND, protecting against battery misconnection in 12 V and 24 V vehicle systems. During reverse bias, the device enters a disabled state but survives without damage; normal operation resumes immediately upon restoration of correct polarity - eliminating need for external blocking diodes and reducing power loss.

Can DRV5053CAQDBZR drive a standard microcontroller ADC input directly?

Yes, DRV5053CAQDBZR can drive most MCU ADC inputs directly: its 0.2–1.8 V output range fits within typical 3.3 V or 5 V reference spans, and its output stage supports ≥10 kΩ load impedance (per datasheet). For best accuracy, ensure the ADC input presents >10 kΩ resistance and <10 nF capacitance - no buffer amplifier is required in compliant designs.