General Description
This development kit features a universal control board and an
AL58263 driver board, both powered via USB Type-C.
The universal board is equipped with an automotive grade 32-bit Arm
M0 core MCU and integrates LIN, CAN, and UART communication
interfaces to provide display data to the AL58263 driver board. The
AL58263 board includes 16 RGB LEDs, controlled by three
integrated AL58263 ICs, enabling precise control of lighting effects.
This kit supports daisy chaining of up to two driver boards, making it
ideal for automotive applications such as instrument clusters, lighting,
and other LED-based displays in both automotive and commercial
environments.
Features
•
AEC-Q100 Grade1 Qualified
•
Input Voltage VDD: 3V to 5.5V
•
Output Current Range
2~55mA/5V, 2~35mA/3.3V
±0.1% output current regulation capability
6-bit global current control: from 12.5% to 200%
•
16 Constant-Current Sink Output Channel
16-bit grayscale resolution with Adaptive Pulse
Density Modulation (APDM) control
15V-rated output channels for long LED strings
Fast Transient Response—supports external grayscale
clocks with double edge up to 16MHz
±1.5% (typical) LED current accuracy between channels
±3% (typical) LED current accuracy between chips
Non-scramble waveform for high-power LED applications
Grayscale counter reset selection
Grayscale data synchronization selection
•
Diagnostics and Protections
Error detection includes LED open, LED short, output port
leakage, output short-to-GND, output short-to-power, and
REXT short-to-GND
Error detection LEDs at 0.1mA to avoid flickering
Short detection threshold voltage selection (2/3/4/4.5V)
Sleep and 0-data mode to lower down the supply current
Pre-overtemperature warning
•
4-Wire Serial Interface (LAT, DI, DO, DCK)
25MHz clock frequency for data transfer
EMI reduction grayscale clock
Cascaded capability (max 1,440 devices)
External GCK watchdog
Stagger outputs delay for EMI reduction
•
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
•
Halogen and Antimony Free. "Green" Device (Note 3)
•
The AL58263Q is suitable for automotive applications
requiring specific change control; this part is AEC-Q100
qualified, PPAP capable, and manufactured in IATF16949
certified facilities.
https://www.diodes.com/quality/product-definitions/
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated's definitions of Halogen- and Antimony-free,
"Green" and Lead-free.
3. Halogen- and Antimony-free "Green" products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br
+ Cl) and <1000ppm antimony compounds.
AL58263EV2
Rev. 2
AL58263EV2 User Guide
16-CHANNEL LED DRIVER WITH 16-BIT APDM CONTROL
Applications
Indoor and outdoor LED video displays
Variable message signs (VMS)
Traffic signs
Outdoor billboard signage
LCD display backlighting
Specifications
Input Voltage
Output Current
Output Voltage
Dimension
RoHS Compliance
Evaluation Board
Connection Instructions
•
1 of 15
www.diodes.com
Parameter
USB-C
6.725mA
5V
95mm*14mm*13mm
Yes
Figure 1: AL58263EV2 Top View
Figure 2: AL58263EV2 Bottom View
DC Input: USB-C
© 2025 Copyright Diodes Incorporated. All Rights Reserved.
Value
February 2025
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