MAX20050EVKIT#

Part: MAX20050 EV Kit — Maxim Integrated

Type: Synchronous Buck LED Driver Evaluation Kit

Description: Evaluation kit demonstrating the MAX20050 and MAX20052 1.5 A synchronous buck LED drivers with integrated MOSFETs over a 4.5 V to 65 V input supply range.

Operating Conditions:

• Supply voltage: 4.5 V to 65 V (MAX20050); less than 40 V for MAX20052
• Switching frequency: 400 kHz (MAX20050); 2.1 MHz (MAX20052)
• Output LED current: 0 A to 1.5 A

Key Specs:

• Input DC supply voltage: 4.5 V to 65 V
• LED string drive capacity: 1 to 16 LEDs
• Maximum continuous LED current: 1.5 A
• Switching frequency: 400 kHz (fixed, MAX20050); 2.1 MHz (MAX20052)
• LDO output capability: 5 V, 10 mA
• Analog dimming input range (REFI): 0.2 V (turn-off) to 1.2 V (linear dimming to max current)
• PWM logic thresholds: 2 V (max) rising threshold, 0.8 V (min) falling threshold

Features:

• Integrated high-side and low-side switching MOSFETs
• High-side average current-mode control architecture
• Internal error amplifier compensation
• Spread-spectrum mode (SSM) enabled for EMI improvement
• Analog and PWM dimming support
• Undervoltage-lockout, output short, open-LED, and thermal-shutdown protection
• Open-drain, active-low fault indicator output (FLT)

Applications:

• Automotive exterior and interior LED lighting
• High-brightness LED strings (up to 16 LEDs)

Package:

• 12-pin TDFN-EP (IC package)

• 4.5V to 65V Input Voltage
• Drives 1 to 16 LEDs
• 0A to 1.5A LED Current
• Demonstrates Undervoltage-Lockout and Output Short Protection
• Demonstrates Current-Limit and Thermal-Shutdown Feature
• Demonstrates 5V, 10mA LDO Output Capability
• Proven PCB Layout and Thermal Design
• Fully Assembled and Tested

Ordering Information appears at end of data sheet.