TLC5928数据手册集成电路（IC）的LED驱动器规格书PDF

描述 Description

The TLC5928 is a 16-channel, constant-current sink LED driver. Each channel can be turned on/off by writing serial data to an internal register. The constant-current value of all 16 channels is set by a single external resistor. The TLC5928 has two error detection circuits: one for LED open detection (LOD) and one for a pre-thermal warning (PTW). LOD detects a broken or disconnected LED and LEDs shorted to GND while the constant-current output is on. PTW indicates a high temperature condition.

特性 Features

• 16 Channels, Constant-Current Sink Output with On/Off Control
• 35-mA Capability (Constant-Current Sink)
• 10-ns High-Speed Constant-Current Switching Transient Time
• Low On-Time Error
• LED Power-Supply Voltage up to 17 V
• VCC = 3.0 V to 5.5 V
• Constant-Current Accuracy:
• Channel-to-Channel = ±1%
• Device-to-Device = ±1%

• CMOS Logic Level I/O
• 35-MHz Data Transfer Rate
• 20-ns BLANK Pulse Width
• Readable Error Information:
• LED Open Detection (LOD)
• Pre-Thermal Warning (PTW)

• Operating Temperature: –40°C to +85°C
• APPLICATIONS

• LED Video Displays
• Message Boards
• Illumination
PowerPAD is a trademark of Texas Instruments, Inc. All other trademarks are the property of their respective owners.