MAX16833EAUE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High Efficiency, Dimmable, Automotive Grade
• Package: 16-TSSOP (Thin Shrink Small Outline Package)
• Essence: Power Management IC for LED Lighting Applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: Up to 40V
• Maximum Output Current: 1.5A
• Switching Frequency: 200kHz to 2MHz
• Dimming Control: Analog/PWM (Pulse Width Modulation)
• Operating Temperature Range: -40°C to +125°C
• Automotive Grade: AEC-Q100 Qualified

Detailed Pin Configuration

The MAX16833EAUE+T has a total of 16 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the device on/off
5. DIM: Dimming control input pin
6. VCC: Supply voltage pin for internal circuitry
7. LX: Switch node pin for connecting the inductor
8. SW: Switch node pin for connecting the power switch
9. PGND: Power ground pin
10. AGND: Analog ground pin
11. SS/TR: Soft-start/Tracking pin
12. CS: Current sense pin
13. RT: External resistor connection for setting switching frequency
14. COMP: Compensation pin for stability control
15. BST: Bootstrap capacitor connection pin
16. VOUT: Output voltage pin

Functional Features

• High Efficiency: The MAX16833EAUE+T utilizes a high-efficiency step-up (boost) topology, ensuring minimal power loss during LED driving.
• Dimmable: The device supports both analog and PWM dimming control, allowing for flexible brightness adjustment of the LEDs.
• Automotive Grade: With AEC-Q100 qualification, the MAX16833EAUE+T is suitable for automotive lighting applications, meeting the stringent requirements of the automotive industry.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption and longer battery life. - Dimming control enables precise brightness adjustment. - Automotive grade qualification ensures reliability in harsh automotive environments.

Disadvantages: - Limited maximum output current of 1.5A may not be sufficient for high-power LED applications. - The 16-TSSOP package may require careful PCB layout design to minimize thermal issues.

Working Principles

The MAX16833EAUE+T is a boost LED driver IC that converts a low input voltage to a higher output voltage required for driving LEDs. It employs a high-frequency switching regulator to efficiently step up the input voltage. The device incorporates a feedback loop to regulate the output voltage and maintain constant current through the LEDs. The dimming control input allows for adjusting the LED brightness by varying the duty cycle of the PWM signal or the voltage level of the analog control signal.

Detailed Application Field Plans

The MAX16833EAUE+T is widely used in various LED lighting applications, including but not limited to:

1. Automotive Lighting: Used for driving LEDs in automotive headlights, taillights, and interior lighting.
2. General Lighting: Suitable for LED-based bulbs, downlights, and strip lights used in residential and commercial lighting.
3. Display Backlighting: Enables efficient driving of LEDs in LCD displays, signage, and backlight modules.
4. Industrial Lighting: Used in high-bay lighting, street lighting, and other industrial applications requiring high-efficiency LED drivers.

Detailed and Complete Alternative Models

1. MAX16833AATE+: Similar to MAX16833EAUE+T, but available in a 16-TSSOP package with an extended temperature range of -40°C to +125°C.
2. MAX16833BATE+: A pin-compatible alternative with improved EMI performance and higher switching frequency capability.
3. MAX16833CATE+: Offers additional fault protection features such as overvoltage protection (OVP) and thermal shutdown.

These alternative models provide options for different temperature ranges, enhanced EMI performance, and additional protection features based on specific application requirements.

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