MAX25608

RECOMMENDED FOR NEW DESIGNS

12-Switch, High Brightness LED Matrix Manager for Automotive Front Lights

Flexible and Fast—Enables Matrix/Pixel Automotive Lighting up to 1.6A

Data Sheet (Rev. 8) Product Selection Table

Part Models: 10
1ku List Price: Starting From $3.08

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Overview

Automotive Ready: AEC-Q100 Qualified
Flexible Configuration
- Up to 12 Switches in Series for Single String
- Two Sub Strings of Six Series Switches per String
Robust Serial Interface
- Multi-Drop UART Communication Interface
- Up to 16 Addressable Devices
- Compatible with CAN Transceiver (MAX25608B/F)
Optimal PWM Dimming Arrangement Provides Excellent Dimming Performance
- Programmable 12-Bit PWM Dimming
- Fade Transition Between PWM Dimming States
- Internal or External Clock for PWM Dimming
- Programmable Slew Rate for EMI Control

Protection Features and Package Improve Reliability
- Open-LED Protection
- NTC Temperature Monitor
- Programmable Open- and Short-LED Threshold
- Open and Shorted-LED Fault Reporting
- Open-Trace Fault Reporting (MAX25608E)
- MAX25608F for Optimized Diagnostics
- Thermally Enhanced 28-Pin TSSOP-EP

The MAX25608/MAX25608B/MAX25608C/MAX25608E/ MAX25608F 12-switch matrix manager ICs for automotive lighting applications include a 12-switch array for bypassing individual LEDs in a single- or dual-string application. They feature 12 individually controlled n-channel MOSFET switches rated for 14V with an on-resistance of 0.06Ω. A single current source can be used to power all of the LEDs connected in series. Individual LEDs can be dimmed by turning on and off the bypass switches across each LED. The devices can also be configured in dual string applications with six switches in series per string. Each switch can be connected across one, two, or three LEDs in series. These devices also allow for parallel connection of two switches to bypass high-current LEDs. The ICs also include an internal charge pump that provides power for the gate drive for the LED bypass switches.

The MAX25608/MAX25608B/MAX25608C/MAX25608E/ MAX25608F feature a serial interface (UART) for serial communication. The MAX25608/MAX25608C/ MAX25608E can be used in full-duplex applications, and the MAX25608B/MAX25608F can be used in half-duplex applications, such as with CAN transceivers. The MAX25608 has spread spectrum enabled on the charge pump clock, and the MAX25608B/MAX25608C/ MAX25608E/MAX25608F have spread spectrum disabled on the charge pump clock. Each switch can be turned fully on, fully off, or dimmed with or without fade transitions through the serial interface. The ICs feature open-LED protection as well as open- and short-LED fault reporting through the serial interface. The devices are available in a 28-pin TSSOP package with exposed pad.

Applications

Automotive Matrix LED Systems
Adaptive Drive Beam Lights

Part Models: 10
1ku List Price: Starting From $3.08

Documentation

Data Sheet 1

MAX25608: 12-Switch, High Brightness LED Matrix Manager for Automotive Front Lights Data Sheet (Rev.8) 09/24/2024

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX25608AUI/V+	28-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX25608AUI/V+T	28-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX25608BAUI/V+	28-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX25608BAUI/V+T	28-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX25608CAUI/V+	28-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX25608CAUI/V+T	28-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX25608EAUI/V+	28-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX25608EAUI/V+T	28-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX25608FAUI/V+	28-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX25608FAUI/V+T	28-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Sep 28, 2023 - 2388 ELECTRICAL DATASHEET
		pcn_2388
MAX25608AUI/V+	PRODUCTION
MAX25608AUI/V+T	PRODUCTION
MAX25608BAUI/V+	PRODUCTION
MAX25608BAUI/V+T	PRODUCTION
MAX25608CAUI/V+	PRODUCTION
MAX25608CAUI/V+T	PRODUCTION
MAX25608EAUI/V+	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
LED Drivers 2
MAX25606	RECOMMENDED FOR NEW DESIGNS	6-Switch Matrix Manager for Automotive Lighting
MAX20092	PRODUCTION	12-Switch Matrix Manager for Automotive Lighting

Tools & Simulations

Software Development 2

Evaluation Kits

Evaluation System for the MAX25608

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Features and Benefits

Two, 12 Channel Matrix Managers
24 On-Board White LEDs
MAX25601 Boost-Buck LED Driver
MAX32625PICO# Provides UART Communication to Control the Matrix Managers
GUI for Easy Evaluation

Product Details

The MAX25608 evaluation system (EV system) provides a proven design to evaluate the MAX25608 12 channel LED matrix manager. The EV system includes two instances of the MAX25608 each controlling 12 on-board LEDs connected in a series configuration. The MAX25601 boost-buck LED driver is included to drive the LEDs. The MAX3265PICO board and software GUI are included to communicate with the MAX25608 IC through the UART interface.