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Category: Automotive Reference Designs

120W Automotive Two-Switch Buck-Boost Converter

PMP7905 is a two-switch buck-boost converter capable of 120W output power. This design uses the LM5118 wide voltage range buck-boost controller. 100V Schottky rectifiers and MOSFET are used for input switching: while 30V Schottky rectifiers and MOSFET are used for output switching. The operating input voltage range is targeted for automotive applications as 8V to 16V with 75V transient capability.
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15-W System-Level Power Reference Design for Automotive Body Control Module

TIDA-00745 is a 14-W system-optimized (CISPR25 Class 4) SMPS design for an automotive body control module. All buck converters used in this design are switching at 2.1 MHz. The design is divided into four major blocks:EMI filter: Common mode and a differential filter for conducted EMI suppressionPreboost (TPS40210-Q1): Efficient low-cost nonsynchronous preboost design for 15-W application. The…
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16-Bit 1-MSPS Data Acquisition Reference Design: Isolated for High-Voltage Common-Mode Rejection

The circuit represents a high-performance data acquisition (DAQ) solution suitable for processing input signals (up to ±12 V) superimposed on large common-mode offsets (tested up to 155 Vp-p from dc to approximately 15 kHz) relative to the ground potential of the system's main power supply. Common-mode rejection is achieved by generating an isolated power supply to allow the analog signal chain…
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16-Channel Active Cell Balance Reference Design

16-Cell EV/HEV High Current Active Balance Solution: using the latest automotive battery management monitor and protector: the bq76PL455A-Q1. It provides high-performance battery management solution for large capacity battery packs: by combining the high integration and accuracy of the bq76PL455A-Q1 with a bi-directional DC-DC cell balancer. This allows any of 16 cell inputs to be charged or…
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17W System-Level Power Reference Design for Automotive Infotainment Processor Power

TIDA-00746 is a 17W system-optimized SMPS design for automotive infotainment processor power. The design has been tested for and passed CISPR25 Class 5 conducted EMI  limits.  All buck converters used in this design is switching above AM band (>1.85MHz).The design is divided into four major blocks:Front end protection:  Various protections have been implemented: such as those against positive…
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24W Boost and Boost-to-Battery Reference Design for Automotive LED Lighting

TIDA-01234 is a 24W: high-efficiency (94%): low cost: Asynchronous boost design for automotive LED application based on LM3481-Q1. This design applies to automotive high brightness lighting such as headlights and taillights and also interior LED lighting systems. It is designed to operate with an input range from 6Vin to 18Vin and can drive multiple strings of 6 to 7 LEDS (16V to 24V) in series at…
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5.0V @ 0.35A Buck Converter

This design is a buck converter for automotive as well as for non-automotive applications. It delivers an output voltage of 5.0V @ 0.35A at an input voltage range of 7.5-24V. It can operate up to 60V for a short time.
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50W Dual-stage LED Driver Reference Design with Adaptive Pre-boost Control for Automotive Headlights

The TIDA-01520 dual-stage reference design drives two strings of LEDs for automotive headlight applications while automatically adapting the pre-boost voltage without the need of a microcontroller (MCU) which saves space and cost. Additionally: the design’s adaptive: pre-boost control reduces switching losses: maximizing system efficiency in automotive headlights.
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5V@2.1A USB Charger Automotive Reference Design

This USB 3.0 charger provides 5V @ 2.1A over an automotive input range of 8V - 40V. It uses the integrated FET TPS54340 PWM Buck controller and implements cable voltage droop compensation. A TPS2546 charging port controller provides data line switching plus an integrated FET with dual current protection thresholds.
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672W Highly Integrated Reference Design for Automotive Bidirectional 48V-12V Converter

Today's automotive power consumtion is 3KW: which will increase to 10KW in next 5 years and 12V batttary is unable to provide that much power. 48-12V bi-directional convertor provides high power requirement solution with two phases each capable of running 28A.  This solution allows bidirectional current control of both phases using a C2000 control stick and firmware OCP & OVP. The 48-12V…
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6V-33V input to 16.7V output@1.75A: Buck Boost Converter

It is a Buck Boost configuration where input ranges from 6V to 33V DC. The output has5 LEDs in the string producing 16.7V in the output. It uses NTC for thermal shutdownthereby protecting the circuit in case of high temperature issues. It can be used in Indoorand Outdoor area SSL: Automotive: General illumination etc.
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Aptina™ Automotive Camera Module Reference Design

The reference design is an automotive camera module solution with Aptina image sensor and processor: and TI FPD-Link III serializer. The module features the AR0132AT 1.2Mp image sensor: the AP0101AT image signal processor (ISP) from Aptina: and the LM34919C: TPS62231 buck regulator and DS90UB913A-Q1 FPD-Link III serializer from Texas Instruments. The combination offers a compact two-board…
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Automotive 1.3M Camera Module Reference Design with OV10640: DS90UB913A and Power over Coax

This camera design demonstrates a very small solution size for 1.3 Megapixel automotive cameras. Only a single coax connection is required to provide digital video: power: camera control and diagnostics. Output video format is 10-bit up to 100MHz or 12-bit up to 75MHz.
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Automotive 12V 200W (20A) BLDC Motor Drive Reference Design

The TIDA-00901 TI Design is a three-phase brushless DC motor drive designed to operate in 12-V automotive applications such as HVAC blowers. The board is designed to drive motors in the 200-W range and can handle currents up to 20A. Utilizing either sensorless operation or external Hall Effect sensors: the design provides the flexibility to adapt to many motors.
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Automotive 12V/24V Battery Input Protection Reference Design

Automotive battery power supply lines are prone to transients while running the system. Typical protections required are overvoltage: overload: reversepolarity: and jump start. During the life of a car: the alternator may be replaced with a non-OEM part. The after-market alternator may have different or no load dump protection: which could lead to damaging the electronic control unit (ECU). This…
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Automotive 2-Axis Power Seat Brushed DC Motor Drive Reference Design

The TIDA-01330 reference design implements the drive circuits for two independent brushed DC motors. It provides a solution for automotive power seats with a highly integrated 2-axis driver: reducing the overall bill of materials. The interface to a simple microcontroller Illustrates how the design reduces the processing burden on the control software.  In addition to the drive circuit for two…
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Automotive 2-MHz Class-D: 4-Channel: 21-W Audio Amplifier in Class AB Form-Factor Reference Design

The TIDA-00743 reference design is a small module designed for evaluation of a digital-input class-D audio amplifier in a system which has been designed for a typical class AB audio power amplifier module. This design demonstrates the reduction in power dissipation that a class D amplifier provides. This design demonstrates how 2.1 MHz operation of a TAS6424-Q1 enables a compact power amplifier…
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Automotive 2-MP Camera Module Reference Design with MIPI CSI-2 Video Interface: FPD-Link III and POC

The TIDA-01130 reference design demonstrates a very small solution size for 2-MP automotive cameras with the capability of much faster forward channel data rate speeds by using MIPI CSI-2 interface and TI's 4Gbps FPD-Link III serializer. The higher throughput capability of this camera enables CMS and Rear Camera applications to use higher resolution and faster frame rate imagers which are critical…
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Automotive 4-Channel Class D Amplifier Reference Design for Head Unit

The TIDA-00573 reference design provides a Class D based amplifier solution that allows it to be evaluated in the form factor of a typical Class AB amplifier.  The design is optimized to mitigate thermals associated with audio amplifiers and to minimize switching noises associated with Class D amplifiers.  This design is comprised of two parts.  The 1st highlights the audio amplifier module…
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Automotive 40V to 1kV Input Flyback Reference Design Supporting Regenerative Braking Safety Test

This power supply reference design for automotive auxiliary circuits generates a 15-V: 4-A output from a wide input range of 40 V to 1 kV and up to a 1.2-kV transient. The design fits ideally into an 800-V batterydriven hybrid-electric vehicle (HEV) or electric vehicle(EV) traction inverter system. The 40-V minimum input voltage supports the functional safety test for the regenerative braking from…
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