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Texas Instruments DRV8251A | Demoboard DRV8251AEVM
DRV8251A 4.1-A Brushed DC Motor Driver with Integrated Current Sense and Regulation
Overview
| Topology | Motor Drive |
| Input voltage | 4.5-48 V |
| Switching frequency | 100-200 kHz |
| Output 1 | 48 V / 3.7 A |
Description
The DRV8251A evaluation module (EVM) allows for easy evaluation of the DRV8251A device. The EVM has been programmed and configured to work out of the box and begin spinning motors right away.The DRV8251A is a 4.5V to 48-V rated single H-bridge driver capable of driving up to 3.7 A. The EVM allows for easy control of the DRV8251A wihout the need of a GUI. The EVM comes equiped with two potentiometers which allow for adjustment of the control signal duty cycle. If desired, the on-board MCU can be disconnected so the DRV8251A can be controlled by an external controller.
Features
- N-channel H-bridge brushed DC motor driver
- 4.5-V to 48-V operating supply voltage range
- Pin-to-pin, RDS(on), voltage, and current sense/regulation variants (external shunt resistor and integrated current mirror)
- DRV8870: 6.5-V to 45-V, 565-mΩ, shunt
- DRV8251: 4.5-V to 48-V, 450-mΩ, shunt
- DRV8251A: 4.5-V to 48-V, 450-mΩ, mirror
- DRV8231: 4.5-V to 33-V, 600-mΩ, shunt
- DRV8231A: 4.5-V to 33-V, 600-mΩ, mirror
- High output current capability: 4.1-A Peak
- PWM control interface
- Supports 1.8-V, 3.3-V, and 5-V logic inputs
- Integrated IPROPI current sensing for stalldetection and current regulation
- Low-power sleep mode
- <1-μA at VVM = 24-V, TJ = 25°C
- Small package and footprint
- 8-Pin HSOP with PowerPAD™, 4.9 × 6.0 mm
- Integrated protection features
- VM undervoltage lockout (UVLO)
- Auto-retry overcurrent protection (OCP)
- Thermal shutdown (TSD)
Typical applications
- Vacuum robot, Electronic hospital bed and bed control
- Printers, POS printer
- Washer and dryer, Coffee machine, ATMs (Automated Teller Machines), Ventilators, Surgical equipment, Fitness machine
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | Mount | IR(A) | Working Voltage(V (AC)) | Color | Gender | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Jumper, 1, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | Pins1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +125 °C | – | Insulation Resistance1000 MΩ | – | Length2.44 mm | – | – | – | PackagingBag | – | Rated Current3 A | Working Voltage250 V (AC) | ColorBlack | GenderJumper | |||
 | WR-TBL Series 101 - 5.00 mm Horizontal Entry Modular, 2, Wire Protector | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 101 - 5.00 mm Horizontal Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 26 to 14 (AWG) 0.5 to 2.5 (mm²) | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | Length10 mm | – | Height12.6 mm | – | PackagingBox | MountTHT | Rated Current16 A | Working Voltage250 V (AC) | – | – | ||
 | WR-PHD Pin Header - Single, 3, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length7.62 mm | – | – | – | PackagingBag | MountTHT | Rated Current3 A | Working Voltage250 V (AC) | – | GenderPin Header | |||
 | WR-PHD Pin Header - Single, 6, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins6 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length15.24 mm | – | – | – | PackagingBag | MountTHT | Rated Current3 A | Working Voltage250 V (AC) | – | GenderPin Header | |||
 | WL-SMCW SMT Mono-color Chip LED Waterclear, –, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | – | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]250 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.7 mm | – | PackagingTape and Reel | MountSMT | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | – | Dominant Wavelength [typ.]570 nm | Emitting ColorBright Green | Peak Wavelength [typ.]572 nm | Luminous Intensity [typ.]40 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.7 mm | – | PackagingTape and Reel | MountSMT | – | – | – | – | ||||
| WCAP-CSGP MLCCs 10 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance1 µF | Capacitance±10% | Rated Voltage10 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.1 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 16 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance1 nF | Capacitance±10% | Rated Voltage16 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance1 µF | Capacitance±10% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.1 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height1.25 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – |