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Automotive

Automotive environments present a challenge for IC voltage regulators. The environment faces a very wide temperature range and also produces high levels of input transients and interference. In addition, a power supply must be able to survive load-dump transients, though this battery-related phenomenon is usually handled by separate circuitry (suppressors, clamps, overvoltage protectors). All of the switching regulators and LED display drivers presented below are either AEC-Q100 qualified or currently in the qualification process.

Note: Even though these products are designed for automotive applications, they can also be used in other designs. Automotive products generally offer very high input voltages and thus are good choices for industrial applications.

Infotainment, Instrumentation, General Purpose

While most automotive applications run from a 12V battery, most regulators that are directly attached to the battery power mains are rated for 28VDC to 40VDC to handle transients that get through the surge and overvoltage protectors. Downstream regulators that are not directly attached to the battery do not need the high voltage input specification. There are numerous applications for LDO regulators within an automotive environment, as they are fed by the output of a switching regulator for cleaner power in a transient-infested environment.
Step-Down Switching Regulators, Automotive Applications 
Step-Up Switching Regulators, Automotive Applications 

LED Lighting: Exterior, Interior, Display

Exterior automotive lighting applications include headlights, taillights, rear combination lights (RCL), and daytime running lights (DRL). In addition, many interior lighting applications exist, including general purpose interior lighting, dashboard lighting, and display backlighting. Maxim supplies industry-leading AEC-Q100 qualified switching regulators (SEPIC, buck/boost, step-up/step-down) specifically for these lighting designs.
AEC-Q100 LED Driver ICs, Exterior Applications (headlight, RCL, DRL) 
AEC-Q100 LED drivers ICs, Interior Applications (interior lighting, display backlighting) 

Also see:
Low-Dropout Linear Regulators

Technical Documentaion

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Technical Documentaion

技術資料

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型番 タイトル ドキュメントの種類 日付

MAXREFDES9004: C-source Reference for Operating the DS2485 Combined with a DS28E18 from a Cortex-M4 Microcontroller

The MAXREFDES9004 is a reference design showcasing the DS2485 features integrated with an Arm® C...

MAXREFDES1284: Himalaya Power Evaluation Platform

Himalaya Power Evaluation Platform provides a proven design to evaluate 12 different high-effici...

MAXREFDES9002: C-source Reference for Operating the DS28E18 from Cortex-M4 GPIO Pins

Extend an I2C and SPI interface using the DS28E18 with included M4 compatible 1-Wire API and C-d...

MAXREFDES1275: 1A,3-Channel LED Driver in Buck Configuration using MAX20050 and its dimming control using MAX32630FTHR

The MAX20050 is a high-brightness LED driver for automotive exterior lighting applications.

MAXREFDES1260: Li Battery Charger and Monitor System with 3A USB-C Input

The purpose of MAXREFDES1260 is to solve the problem of high-voltage fast charging of 2S battery...

MAXREFDES1253: Miniature 17V, 0.75A No Opto Flyback DC to DC Converter Using the MAX17690

The MAXREFDES1253 illustrates techniques using the No Opto Flyback converter to generate isolate...

MAXREFDES1264: Digitally Controlled Sine-Wave Generator Using the MAX32630FTHR and MAX7400

The MAXREFDES1264 is a reference design for the MAX32630FTHR and MAX7404 produces an accurate va...

MAXREFDES1263:完全ワイヤレスステレオクレードルおよびイヤホン

このリファレンスデザインは、TWSクレードルおよびイヤホン(左および右)用のパワーマネージメントプラットフォームです。
MAXREFDES1256: 49W DC-DC Flyback Converter Using MAX17597

MAXREFDES1256: 49W DC-DC Flyback Converter Using MAX17597

The MAXREFDES1256 is an isolated power supply capable of delivering 7V at up to 7A load current.

MAXREFDES1257: 24W/48V DC-DC Boost Converter Using the MAX17597 Peak-Current-Mode Controller

The MAXREFDES1257 is a DC-DC boost power supply that delivers up to 500mA at 48V from an 8V to 1...

MAXREFDES1238: Scalable, Single Input, 6 Output, Power Solution for the Versal ACAP Platform

In this design a single 12V input supplies a circuit which outputs 6 separate rails ranging from...

MAXREFDES1233: 1.8V/10A Core Power Supply for CPUs, Microcontrollers, FPGAs, or DDR2 Interfaces Using the MAX20710

The MAXREFDES1233 provides the internal core voltage (VCCINT) for CPUs, microcontrollers, FPGAs,...

MAXREFDES1141: 2.4W DC-DC Flyback Converter Using the MAX17596

The MAX17596 is a peak-current-mode controller for designing wide input-voltage flyback regulato...

MAXREFDES1171: Low-Power Fault Indicators

The MAXREFDES1171 uses Maxim® low-power chips for power grid fault indicators based on the low-p...

MAXREFDES1155: Dual Channel RTD/TC Measurement Based on MAX11410

MAXREFDES1155 is a configurable two-channel resistance temperature detector (RTD)/thermocouple (...

MAXREFDES1173: Miniature, 12V/1A, No-Opto Flyback DC-DC Converter with 91.3% Efficiency Using the MAX17690

Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...

MAXREFDES1099: Miniature, 24V/500mA, No-Opto Flyback DC-DC Converter with 93% Efficiency Using the MAX17690

Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...

MAXREFDES1104: Miniature, 5V/2A, Synchronous, No-Opto Flyback DC-DC Converter with 90% Efficiency Using MAX17690 and MAX17606

Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...