24-Channel, Constant-Current LED Driver With Global Brightness Control And LED Open-Short Detection

1 Features

24-Channel Constant-Current Sink Output With On-Off Control
Current Capability:
- 35 mA for 16 Channels
- 26.2 mA for 8 Channels
Global Brightness Control (BC) for Each Color Group: 7-Bit (128 Step), Three Groups
LED Power-Supply Voltage up to 15 V
V_CC = 3 V to 5.5 V
Constant-Current Accuracy:
- Channel-to-Channel = ±1%
- Device-to-Device = ±3%
CMOS Logic Level I/O
Data Transfer Rate: 35 MHz
BLANK Pulse Duration: 15 ns
Open-Load, Shorted-Load, and Overtemperature Detection
Thermal Shutdown (TSD) With Auto Restart
Delay Switching to Prevent Inrush Current
Operating Temperature: –40°C to 85°C
Packages: HTSSOP-32, QFN-32