MAX16838ATP+

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MAX16838ATP+

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IC LED DRV RGLTR PWM 20TQFN

  • HerstellerAnalog Devices Inc./Maxim Integrated

  • Herstellerteil #MAX16838ATP+

  • Auf Lager7655

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Spezifikationen

Attribut Wert
Part Status Active
Type DC DC Regulator
Topology SEPIC, Step-Down (Buck), Step-Up (Boost)
Internal Switch(s) Yes
Number of Outputs 2
Voltage - Supply (Min) 4.55V
Voltage - Supply (Max) 40V
Voltage - Output 4.75V ~ 5.25V
Current - Output / Channel 150mA
Frequency 200kHz ~ 2MHz
Dimming PWM
Applications Backlight
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 20-WFQFN Exposed Pad
Supplier Device Package 20-TQFN (4x4)
Base Product Number MAX16838
Grade Automotive

Übersicht

Description

The MAX16838ATP+ is a high-performance, integrated LED driver designed by Maxim Integrated, now part of Analog Devices. It is tailored for automotive and general lighting applications, offering a compact and efficient solution for managing LED brightness and power. The device combines a switching power supply controller and a four-channel linear current sink, providing precise control over multiple LED strings.
Key features include:
1. Wide Input Voltage Range: The MAX16838ATP+ supports a broad input voltage range, making it versatile for various applications.

2. Current Regulation: It provides accurate current regulation across its multiple channels, ensuring consistent LED brightness and efficiency.
3. PWM Dimming: The device supports both analog and PWM dimming, enabling flexible brightness control.
4. Protection Features: It includes built-in protection such as overvoltage, overcurrent, and thermal shutdown, enhancing reliability and safety.
5. Compact Package: Housed in a thermally enhanced package, the MAX16838ATP+ optimizes space and heat dissipation.
This chip is ideal for designers looking for a reliable, efficient, and flexible LED driver solution in automotive and industrial lighting systems.

Equivalent

The MAX16838ATP+ is a high-efficiency, step-down LED driver with integrated high-side MOSFET and PWM dimming capabilities. Equivalent products include:
1. LT3744 - by Analog Devices, for high current LED applications.
2. TPS92691 - by Texas Instruments, offering similar features for LED drivers.
3. LM3409 - also by Texas Instruments, another buck LED driver IC with external switching components.
Ensure compatibility with your specific application by checking datasheets and specifications.

Features

The MAX16838ATP+ is a high-performance LED driver IC designed for automotive and general lighting applications. It features a wide input voltage range from 4.5V to 65V, making it suitable for various power supply conditions. The device integrates a high-side current sense amplifier and provides a programmable current limit, ensuring precise LED current control. It supports both analog and PWM dimming, offering flexibility in brightness adjustment. The IC includes a fault protection mechanism with features like overvoltage, overcurrent, and thermal shutdown to enhance reliability. Additionally, it offers a spread-spectrum frequency modulation option to reduce EMI. The MAX16838ATP+ is packaged in a TQFN, which is suitable for space-constrained designs, and its robust design makes it a versatile solution for driving high-brightness LEDs efficiently.

Pinout

The MAX16838ATP+ is a LED driver IC designed for automotive applications. It features a 20-pin TQFN package. The main functions of the MAX16838ATP+ include:
1. Boost or SEPIC Controller: It operates in boost or SEPIC configurations to drive high-current LEDs efficiently.
2. Current Regulation: It provides precise current regulation for LED strings, ensuring consistent brightness across varying voltages.
3. Fault Protection: It includes protection features against overcurrent, overvoltage, overtemperature, and LED string open/short conditions.
4. Dimming Control: The IC supports both analog and PWM dimming for flexible brightness control.
5. Diagnostics: Built-in diagnostic capabilities help monitor the LED driver's status and detect potential issues.
These features make the MAX16838ATP+ suitable for automotive lighting applications, including headlights, tail lights, and interior lighting systems.

Manufacturer

The MAX16838ATP+ is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was known for designing and manufacturing a wide range of analog and mixed-signal integrated circuits. After merging with Analog Devices, the combined entity focuses on developing high-performance semiconductors for various industries, including automotive, communications, consumer electronics, industrial, and healthcare. The company is recognized for its innovative solutions in analog and digital signal processing, power management, and data conversion.

Application

The MAX16838ATP+ is a LED driver IC primarily used in automotive and industrial lighting applications. It is designed for high-brightness LED control and is suitable for use in automotive exterior and interior lighting systems, such as headlights, tail lights, and dashboard displays. Additionally, it can be used in general industrial lighting applications where efficient and reliable LED operation is required. The device offers features such as high-voltage operation, PWM dimming, and fault protection, making it versatile for various lighting applications that demand precision and safety.

Package

The MAX16838ATP+ is a boost controller with an integrated high-side LED driver. It is typically available in a TQFN (Thin Quad Flat No-lead) package, specifically a 16-pin TQFN package.

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