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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

MAXREFDES150#: Pocket IO PLC Development Platform

Pocket IO™ integrates 30 IO's consisting of Analog I/Os, Digital I/Os, RS485, Encoder / Motor Co...

MAXREFDES1263: True Wireless Stereo Cradle and Earbuds

This solution demonstrates a small size, low power, high effective, high accuracy power manageme...

MAXREFDES175#: Remote Phantom Supply BeagleBone Black Cape

A complete automotive, high-voltage, 8-channels remote supply BeagleBone Black cape reference de...

MAXREFDES1258: 1200W DC-DC Buck Converter Using the MAX15157B

The MAXREFDES1258 is a 1200W, 12V 4-phase DC-DC buck converter that can deliver up to 100A load ...

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.

MAXREFDES1089: Miniature, 12V/250mA, Synchronous, No-Opto Flyback DC-DC Converter with 91.7% Efficiency

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

MAXREFDES101#:ヘルスセンサープラットフォーム2.0

MAXREFDES101#は、腕時計型ウェアラブル形状の独自の評価/開発プラットフォームで、広範なマキシムのヘルスセンシングアプリケーション用製品の機能を実証します。

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.

MAXREFDES1168: 7V/200mA or 5V/100mA, Iso-Buck DC-DC Converter Using the MAX17681A

The MAX17681/MAX17681A is a high-voltage, highefficiency, iso-buck DC-DC converter designed to p...

MAXREFDES1150: Smart Pill Bottle

The MAXREFDES1150 is Maxim’s smart pill bottle design for medical and broad IoT applications.

MAXREFDES1171: Low-Power Fault Indicators

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

MAXREFDES1018: Boost, Single-Output, DC-DC Converter, 1V to 3.3V Input, 13.5V/6mA Output

The MAX1606 is a step-up DC-DC converter that contains a 0.5A internal power switch and a 0.5A o...

MAXREFDES1034: High-Efficiency Power Supply for TVs Using MAX17506

The MAXREFDES1034 is an auxiliary power supply for TV applications. This design provides a 5V ou...

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...

Minimum Component PSE Controller for Detecting IEEE 802.3af/at Devices Using MAX5971B

The MAX5971B is a single-port power controller designed for use in IEEE 802.3af/at-compliant pow...