NXP HB2001 Evaluation Driver
NXP Semiconductors has introduced the HB and HB includes the Kinetis KLZ Freedom microprocessor evaluation board with a. This evaluation board features the following NXP product: .. To access the HB/HB tab in the SPIGen window, expand the HB/. NXP USA Inc. FRDM-HBEVM. MC33HB Evaluation Kit. Category: Semiconductors, Development Tools-Programmers, Development.
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NXP HB2001 Evaluation Driver
Motor improvements have been involved in solving many of these automotive control issues for decades. Also, X-by-Wire terminology covers a broad range of applications for motors used in throttle, brake, steer, shift, suspension, park and other by-wire controls. Building on these automotive successes, new emission control systems and advanced driver assistance systems ADAS that phase in over the next two to ten years promise NXP HB2001 Evaluation increase the NXP HB2001 Evaluation, growth and regulatory compliance of motors even further.
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- H-Bridge Motor Drivers Address Automotive Emissions and ADAS Challenges
- Brushed DC motor drivers for functionally safe vehicle electrification
In the United States, in addition to tighter regulations for from second phase levels, the government is increasing greenhouse gas GHG emissions and fuel economy regulations for medium and NXP HB2001 Evaluation vehicles. China regulations focus on Phase IV fuel consumption reduction over requirements.
Power Management NXP
Table 1 shows a comparison summary of today s versus future requirements. Today, over motors are in a loaded high-end vehicle.
The motors address control applications in body electronics, safety, suspension, engine and emissions control systems. Future automotive systems will increasingly rely on these motors to meet more stringent emissions and fuel economy regulations. Motor Driver Background Automotive motors are typically either brushed or brushless DC motors NXP HB2001 Evaluation on the application.
Unlike brushless motors that require six power devices to control the three motor phases, a brushed DC motor only needs four power drivers for speed control, motor direction and braking. Figure 1 shows the basics of an H-bridge controlling a brushed motor. H-bridge Basics As shown, the two upper left hand and lower right hand power MOSFETs control the current in one direction NXP HB2001 Evaluation the amount NXP HB2001 Evaluation current flowing through the motor.
In addition to motor driver circuitry, an H-bridge driver IC can provide charge pump circuitry to control the N-channel MOSFETs and other system features, such as system-level diagnostics and closed loop control. Existing and emerging H-bridge applications focused on emission controls include: Throttle control Electronic gas recirculation EGR Fuel injection swirl flaps Turbo NXP HB2001 Evaluation In addition to dealing with the reverse battery problem that would provide a direct short from battery positive to ground through the unprotected H-bridge, successful automotive applications for H-bridge controls must also address avalanche of the power MOSFETs, ripple of the supply voltage and switching noise issues from the power transistors.
Today s capabilities include: In addition, since the HB and HB are drop-in replacements, there is no need to change pin-out or software when changing motor drive power requirements. Eight programmable slew rate settings allow switching the NXP HB2001 Evaluation at better than 35 khz frequency to extremely low PWM NXP HB2001 Evaluation to trade-off between smoother motor control and enhanced EMC performance.
Thermal management includes best-in-class package thermal resistance, lowest R DS and a temperaturedependent current limit for continuous operation. Four programmable current limit settings allow configuring the part for a wide range of NXP HB2001 Evaluation requirements using simple SPI commands.
Diagnostic reporting via SPI: List of diagnostics The ICs have normal operation down to 4 V during crank and up to 32 V after which the overvoltage protection NXP HB2001 Evaluation enabled and up to 36 V when overvoltage protection is disabled. Table 3 shows the differences.
Packaging differences for the newest motor driver ICs 6 7 Target automotive applications include those in emission systems identified earlier as well as brushed DC motor requirements in body electronics and other vehicle systems as shown in Table 4. With this enablement support, the motor drivers appear as any other integrated peripheral within the MCU software development tools for NXP HB2001 Evaluation embedded system designers to quickly implement them in their software projects.
As part of vehicle electrification, automotive makers are addressing emissions and ADAS challenges by replacing belt-driven NXP HB2001 Evaluation and hydraulic controls with small, reliable electric motors.
As the number of motors and motor drivers in the car continues to grow, space considerations become increasingly important. The automotive industry is actively cautious about functional safety.
They require complete safety manuals and supporting documentation that outline system behavior for preventing malfunction.