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Texas Instruments LM5018 | Demoboard TIDA-00365
75V/10A Protected Full-Bridge Power Stage Reference Design for Brushed DC Drives
Overview
| Topology | Buck Converter |
| Input voltage | 20-75 V |
| Switching frequency | 16-25 kHz |
| Output 1 | 12 V / 0.05 A |
Description
Low voltage brushed DC drives are used in many applications. TI offers a rich family of brushed DC motor driver solutions with flexible control interface options for one or more brushed DC motors up to 60V. For applications which require higher torque and power, often voltages above 60VDC are used. The TIDA-00365 protected full-bridge operates at nominal 75VDC input and 10A output current and features bipolar high-side current sensing leveraging a 100V full-bridge gate driver SM72295 with integrated amplifiers and four 100V NexFET power MOSFETs with ultra-low gate charge and small SON5x6 package with low thermal resistance. The power stage is protected against over-temperature, over-current and short-circuit between the motor terminals and motor terminals to ground. Onboard power supplies provide a 12V and a 3.3V rail for the gate driver and signal chain. The host processor interface is 3.3V I/O to connect a host MCU like C2000 Piccolo MCU for brushed DC motor current control.
Features
Protected full-bridge power stage with input voltage up to 100VDC (75VDC nominal) and 10A output currentBOM reduction through SM72295 100-V full-bridge gate driver with integrated amplifiers used for high-side bipolar phase current sensingCalibrated current sense accuracy ±1% (over full range ±10A and ±0.2% (within ±1A range)Full-bridge optimized for low EMI with 25ns rise/fall time on switch-node voltages with no over- and under-shootFull-bridge protected against over-temperature, under-voltage, over- and short-circuit current between motor terminals and motor terminals to GND95% efficiency at 16 kHz PWM. No heatsink required at 25C ambient and nominal load thanks to TI NexFET power MOSFETHost processor interface with dual complementary PWM inputs (3.3V CMOS) and analog outputs (0-3.3V) for bipolar high-side current sense and motor terminal voltage
Typical applications
- Isolated Bias Supply
- Smart Power Meters
- Telecommunication Systems
- Automotive Electronics
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | 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) | L (µH) | IR (mA) | IR 2 (mA) | ISAT (mA) | RDC (mΩ) | fres (MHz) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Application | PCB/Cable/Panel | Modularity | Wire Section | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150060GS75000 | SPEC | 25 files RAY files
| Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 525 | Green | 515 | 430 | 3.2 | InGaN | 140 | – | – | – | 0603 | -40 °C up to +85 °C | – | – | – | – | 1.6 | 0.8 | – | – | – | – | – | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | – | 0.7 | – | – | – | Tape and Reel | – | – | – | – | ||
| 150060RS75000 | SPEC | 25 files RAY files
| Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 625 | Red | 630 | 250 | 2 | AlInGaP | 140 | – | – | – | 0603 | -40 °C up to +85 °C | – | – | – | – | 1.6 | 0.8 | – | – | – | – | – | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | – | 0.7 | – | – | – | Tape and Reel | – | – | – | – | ||
 | 74479887310A | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PMI Power Multilayer Inductor | – | – | – | – | – | – | – | – | – | – | 1008 | -40 °C up to +125 °C | 27 | – | – | – | 2.5 | 2 | – | 10 | 600 | 850 | 125 | 300 | 20 | – | -40 °C up to +125 °C | – | – | – | – | 2 | – | 0.8 | – | High Saturation Current | – | – | – | – | – | – | ||
 | 74404041101 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LQS SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | 4012 | -40 °C up to +125 °C | – | – | – | – | 4 | 4 | – | 100 | – | – | 300 | 1697 | 10 | – | -40 °C up to +125 °C | – | – | – | – | – | – | 1.2 | – | – | 0.43 | – | – | – | – | – | ||
 | 860040875005 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATUL Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | 100 µF | ±20% | 100 | – | – | – | 9 | – | – | 25 | – | – | – | – | – | – | – | – | 7000 | -40 °C up to +105 °C | 800 | 100 | 5 | 10 | – | – | – | – | – | – | Ammopack | – | – | – | – | ||
 | 885012205031 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | 10 nF | ±10% | 16 | 0402 | -55 °C up to +125 °C | – | 3.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | – | – | – | – | ||
| 885012205044 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | 1 nF | ±10% | 25 | 0402 | -55 °C up to +125 °C | – | 3.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | – | – | – | – | ||
| 885012205055 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | 100 pF | ±10% | 50 | 0402 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | – | – | – | – | ||
| 885012106017 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | 1 µF | ±20% | 16 | 0603 | -55 °C up to +85 °C | – | 10 | 0.1 GΩ | X5R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | – | – | – | – | ||
 | 61030421121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm SMT Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 1000 MΩ | – | 5.08 | – | – | – | – | – | – | – | – | – | – | – | – | 2.54 | – | 4 | Dual | – | Pin Header | Straight | 3 | Tape and Reel with Cap | – | – | – | – | |
 | 61031221121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm SMT Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 1000 MΩ | – | 15.24 | – | – | – | – | – | – | – | – | – | – | – | – | 2.54 | – | 12 | Dual | – | Pin Header | Straight | 3 | Tape and Reel with Cap | – | – | – | – | |
 | 691311500002 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 311 - 5.08 mm Open Vertical PCB Header | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | – | – | 10.16 | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 5.08 | – | 2 | – | – | – | Vertical | 20 | Box | Pluggable | PCB | No | – | |
 | 691311500103 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 311 - 5.08 mm Close Vertical PCB Header | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | – | – | 17.24 | – | – | – | – | – | – | – | – | – | – | – | – | 5.08 | – | 3 | – | – | – | Vertical | 20 | Box | Pluggable | PCB | No | – | |
 | 691351500003 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 351 - 5.08 mm Vertical | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | – | – | 15.24 | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 5.08 | – | 3 | – | – | – | Vertical | 20 | Box | Pluggable | Cable | No | 12 to 24 (AWG) 3.31 to 0.205 (mm²) | |
 | 691352510002 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 352 - 5.08 mm Horizontal with Hook on Wire Side | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | – | – | 10.16 | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 5.08 | – | 2 | – | – | – | Horizontal | 17 | Box | Pluggable | Cable | No | 12 to 24 (AWG) 3.31 to 0.205 (mm²) |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | 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) | L (µH) | IR (mA) | IR 2 (mA) | ISAT (mA) | RDC (mΩ) | fres (MHz) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Application | PCB/Cable/Panel | Modularity | Wire Section | Samples |
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