TLC5917 - 8 位恒流下沉式 LED 驱动器

TLC5917是TI德州仪器公司的一款标牌/线性产品，TLC5917是8 位恒流下沉式 LED 驱动器，本站介绍了TLC5917的封装应用图解、特点和优点、功能等，并给出了与TLC5917相关的TI元器件型号供参考。

TLC5917 - 8 位恒流下沉式 LED 驱动器 - 标牌/线性 - LED驱动器 - 德州仪器

产品特性

Eight Constant-Current Output Channels
Output Current Adjusted Through Single External Resistor
Constant Output Current Range: 3-mAto120-mA per Channel
Constant Output Current Invariant to Load Voltage Change
Open Load, Short Load and Overtemperature Detection
256-Step Programmable Global Current Gain
Excellent Output Current Accuracy:
- Between Channels: < ±3% (Maximum)
- Between ICs: < ±6% (Maximum)
Fast Response of Output Current
30-MHz Clock Frequency
Schmitt-Trigger Input
3.3-V or 5-V Supply Voltage
Maximum LED Voltage 20-V
Thermal Shutdown for Overtemperature Protection

产品应用

General LED Lighting Applications
LED Display Systems
LED Signage
Automotive LED Lighting
White Goods
Gaming Machines/Entertainment

产品说明

The TLC591x Constant-Current LED Sink Drivers are designed to work alone or cascaded. Since each output is independently controlled, they can be programmed to be on or off by the user. The high LED voltage (VLED) allows for the use of a single LED per output or multiple LEDs on a single string. With independently controlled outputs supplied with constant current, the LEDs can be combined in parallel to create higher currents on a single string. The constant sink current for all channels is set through a single external resistor. This allows different LED drivers in the same application to sink various currents which provides optional implementation of multi-color LEDs. An additional advantage of the independent outputs is the ability to leave unused channels floating. The flexibility of the TLC591x LED drivers is ideal for applications such as (but not limited to): 7-segment displays, scrolling single color displays, gaming machines, white goods, video billboards and video panels.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TLC5916	SOIC (16)	9.90 mm × 3.91 mm
	PDIP (16)	19.30 mm × 6.35 mm
	TSSOP (16)	5.00 mm × 4.40 mm
TLC5917	SOIC (16)	9.90 mm × 3.91 mm
	PDIP (16)	19.30 mm × 6.35 mm
	TSSOP (16)	5.00 mm × 4.40 mm

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