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Overview
| Topology | Motor Drive |
| Input voltage | 12 V |
| Output 1 | 4 A |
| IC revision | A |
Description
The DRV8421 evaluation module (EVM) allows for easy evaluation of the DRV8421 device. The EVM has been programmed and configured to work out of the box and begin spinning motors right away. The device can be used to drive one or two DC motors, a bipolar stepper motor, or other loads up to a maximum of 2A from each output or 4A in parallel mode.
Features
- DRV8421 is a dual H-bridge motor driver
- Two device versions:
- DRV8421A (4-wire input): independent half bridge control
- DRV8421B (2-Wire Input): sleep mode, fault detection
- PWM control interface
- Onboard 3.3V LDO for digital voltage supply
- Main signal header with removable shunts to disconnect main signals going to the motor driver IC from the MCU
Typical applications
- Household appliances
- General brushed and stepper motors
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 | Q(%) | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | Fl(mm) | Packaging | Endurance(h) | IRIPPLE(mA) | Z(mΩ) | ILeak(µA) | Ø D(mm) | Center pin Ø (Value)(mm) | Plug OD(mm) | IR(A) | Working Voltage(V (AC)) | Mount | Color | Gender | H(mm) | Operation Force(g) | Electrical Life(Cycles) | Actuator Color | Washable | Vaporphase process | 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-PHD Pin Header - Single, 2, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins2 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | Length5.08 mm | – | – | PackagingBag | – | – | – | – | – | – | – | Rated Current3 A | Working Voltage250 V (AC) | MountTHT | – | GenderPin Header | – | – | – | – | – | – | |||
 | WR-TBL Series 101 - 5.00 mm Horizontal Entry Modular, 2, Wire Protector | Simulation– | 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 | – | – | PackagingBox | – | – | – | – | – | – | – | Rated Current16 A | Working Voltage250 V (AC) | MountTHT | – | – | Height12.6 mm | – | – | – | – | – | |||
 | 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 | – | – | – | – | – | – | – | Rated Current3 A | Working Voltage250 V (AC) | MountTHT | – | GenderPin Header | – | – | – | – | – | – | |||
 | WR-PHD Pin Header - Single, 4, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins4 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | Length10.16 mm | – | – | PackagingBag | – | – | – | – | – | – | – | Rated Current3 A | Working Voltage250 V (AC) | MountTHT | – | GenderPin Header | – | – | – | – | – | – | |||
 | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Dual | Pins8 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | Length10.16 mm | – | – | PackagingBag | – | – | – | – | – | – | – | Rated Current3 A | Working Voltage250 V (AC) | MountTHT | – | GenderPin Header | – | – | – | – | – | – | ||||
 | WL-SMCW SMT Mono-color Chip LED Waterclear, –, – | Downloads26 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 | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | MountSMT | – | – | Height0.7 mm | – | – | – | – | – | |||
| 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 | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | MountSMT | – | – | Height0.7 mm | – | – | – | – | – | ||||
 | WCAP-ASLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance47 µF | Capacitance±20% | Rated Voltage25 V (DC) | Size6.3 x 5.5 | Operating Temperature -55 °C up to +105 °C | – | Dissipation Factor14 % | Insulation Resistance2.12766 MΩ | – | Length5.5 mm | Width6.6 mm | – | Packaging15" Tape & Reel | Endurance 2000 | Ripple Current220 mA | Impedance560 mΩ | Leakage Current11.75 µA | Diameter6.3 mm | – | – | – | – | MountV-Chip SMT | – | – | – | – | – | – | – | – | ||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance1 nF | Capacitance±5% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Width0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | Height0.8 mm | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance100 nF | Capacitance±10% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3.5 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | Height0.8 mm | – | – | – | – | – | |||||
 | WR-DC Power Jacks, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-DC Power Jacks | – | – | – | TypeRight Angled | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +85 °C | – | – | Insulation Resistance100 MΩ | – | – | – | – | PackagingBag | – | – | – | – | – | Center pin Ø2 mm | Recommended Plug outer Ø5.5 mm | Rated Current5 A | Working Voltage30 V (AC) | MountTHT | ColorBlack | – | – | – | – | – | – | – | |||
 | WS-TASV SMT Washable Tact Switch 6x6 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-TASV SMT Washable Tact Switch 6x6 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage12 V (DC) | – | Operating Temperature -40 °C up to +85 °C | – | – | Insulation Resistance100 MΩ | – | – | – | – | PackagingTape and Reel | – | – | – | – | – | – | – | Rated Current0.05 A | – | – | – | – | Height2.5 mm | Operation Force160 g | Electrical Life1000000 Cycles | Actuator ColorBlack | WashableYes | Vaporphase processnot specified | |||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance10 µF | Capacitance±20% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +85 °C | – | Dissipation Factor20 % | Insulation Resistance0.01 GΩ | Ceramic TypeX5R Class II | Length1.6 mm | Width0.8 mm | Pad Dimension0.35 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | Height0.8 mm | – | – | – | – | – |