Texas Instruments DRV8932PRGER

Overview

DRV8932PRGER from Texas Instruments is a quad half-bridge motor driver IC designed for industrial solenoid and DC motor control. It delivers 1.5-A peak per channel, operates from 4.5 V to 33 V, integrates current sensing and regulation via dual VREF pins, and features configurable 7/16/24/32-μs PWM off-time - enabling precise current control in refrigerator damper actuators and textile machine valves.

For engineers reviewing the DRV8932PRGER datasheet, DRV8932PRGER pinout, DRV8932PRGER application, or DRV8932PRGER equivalent, key selection considerations include its VQFN-24 package thermal performance (RθJA = 43.0°C/W), integrated charge pump for N-channel high-side drive, quad-level TOFF configuration, nFAULT open-drain fault reporting, and sleep-mode quiescent current of 2 µA.

Technical Context

The DRV8932PRGER implements four independent N-channel half-bridges with integrated gate drivers, charge pump (VCP output, CPH/CPL switching nodes), and analog current regulation using transimpedance gain (2.2 V/A) referenced to VREF12 and VREF34. Each channel supports cycle-by-cycle or fixed off-time current chopping without external controller intervention.

Its protection architecture includes VM undervoltage lockout (4.25 V threshold), charge pump undervoltage detection, per-FET overcurrent protection with 1.8-μs deglitch, and thermal shutdown at 150°C with 20°C hysteresis - all signaled via the open-drain nFAULT pin. Logic inputs accept 1.8-V/3.3-V/5.0-V levels with internal pulldowns.

Key Specifications

Pinout & Package

VQFN-24 package (4.0 mm × 4.0 mm, 0.5-mm pitch) with exposed thermal pad - optimized for compact industrial PCB layouts and enhanced thermal dissipation (RθJB = 19.9°C/W).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad half-bridge driver applications.

Compared with DRV8932PRGER, DRV8935RGER offers superior conduction efficiency but lacks spread spectrum EMI reduction, while DRV8955RGER extends voltage capability to 48 V at the cost of higher quiescent current (5 µA vs. 2 µA) - making DRV8932PRGER optimal for cost-sensitive, EMI-constrained 24-V industrial solenoid applications.

Availability

DRV8932PRGER is available at Aetrix Electronics and suitable for refrigerator damper control, textile machine valve actuation, and office automation print head drivers requiring stable component supply, long-term industrial lifecycle support, and RoHS-compliant packaging.

Supply support for DRV8932PRGER 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, embedded processing, and power management technologies with over 90 years of innovation in industrial and automotive electronics.

The DRV8932 product line delivers highly integrated, protected quad half-bridge drivers for industrial motion control - targeting appliance, factory automation, and robotics applications where reliability, small footprint, and integrated current regulation are essential.

FAQ

What is the maximum continuous output current per channel for the DRV8932PRGER?

The DRV8932PRGER supports 1.5-A peak output current per channel at 24 V and 25°C. Continuous RMS current is 1.05 A per channel, dependent on PCB thermal design - specifically requiring adequate copper area under the exposed thermal pad and proper PGND plane connection to achieve RθJB = 19.9°C/W and sustain full load without thermal shutdown.

How does the DRV8932PRGER implement current regulation without external sense resistors?

The DRV8932PRGER uses internal MOSFET RDS(ON) sensing combined with transimpedance amplification (2.2 V/A gain) referenced to VREF12 and VREF34 pins. By applying a voltage between 0.05 V and 3.3 V to these pins, users set ITRIP = VREF / 2.2, enabling accurate current limiting from 23 mA to 1.5 A per channel pair without external components.

Can the DRV8932PRGER drive a bipolar stepper motor?

Yes, the DRV8932PRGER can drive a bipolar stepper motor by configuring two half-bridges per phase (OUT1/OUT2 for Phase A, OUT3/OUT4 for Phase B). Its 1.5-A peak rating supports NEMA 17 and smaller steppers; current regulation via VREF pins allows microstepping-compatible current profiling when paired with an external indexer or MCU generating appropriate INx PWM sequences.

What is the purpose of the TOFF pin on the DRV8932PRGER, and how is it configured?

TOFF sets the PWM off-time duration (7/16/24/32 μs) during current chopping. It is a quad-level input: grounding selects 7 μs, connecting to 1.25 V selects 16 μs, leaving Hi-Z selects 24 μs, and pulling to GND via 330 kΩ selects 32 μs. This allows dynamic optimization of current ripple, EMI, and thermal performance without firmware changes.

Does the DRV8932PRGER require external capacitors, and which ones are mandatory?

Yes, the DRV8932PRGER requires five mandatory external capacitors: two 0.01-μF X7R ceramics from VM to PGND (one per VM pin), one 0.22-μF X7R from VCP to VM, one 0.022-μF X7R from CPH to CPL, and one 0.47–1-μF X7R from DVDD to GND. These ensure stable charge pump operation, low-noise logic supply, and robust VM decoupling per TI SLOSE58B layout guidelines.