Overview
The HEF4794BT,112 is a linear LED driver integrated circuit (IC) manufactured by Nexperia USA Inc. This component is part of the power management IC category and is specifically designed as an 8-stage shift-and-store register LED driver. It is widely used in various applications requiring controlled LED outputs, such as display panels, signage, and other lighting systems. The HEF4794BT,112 is known for its reliability and efficiency, making it a popular choice in both industrial and consumer electronics.
Key Specifications
| Part Number | HEF4794BT,112 |
|---|---|
| Manufacturer | Nexperia USA Inc. |
| Category | Power Management ICs |
| Subcategory | LED Drivers |
| Type | Linear |
| Topology | Shift Register |
| Internal Switch(s) | Yes |
| Number of Outputs | 8 |
| Voltage - Supply (Min) | 3V |
| Voltage - Supply (Max) | 15V |
| Current - Output / Channel | 40mA |
| Frequency | 28MHz |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
Key Features
- Linear LED Driver: The HEF4794BT,112 is designed to drive LEDs with a linear current output, ensuring consistent and reliable performance.
- 8-Stage Shift-and-Store Register: This feature allows for sequential control of LED outputs, making it suitable for display panels and other sequential lighting applications.
- Wide Supply Voltage Range: The IC can operate with supply voltages ranging from 3V to 15V, providing flexibility in various application scenarios.
- High Output Current: Each output channel can handle up to 40mA, making it suitable for driving multiple LEDs or high-current LED applications.
- Compact Package: The 16-SOIC package is compact and suitable for surface mount technology, making it ideal for space-constrained designs.
Applications
- Display Panels: The HEF4794BT,112 is commonly used in display panels where sequential control of LEDs is necessary.
- Signage and Advertising Displays: Its ability to drive multiple LEDs sequentially makes it a popular choice for signage and advertising displays.
- Industrial Lighting Systems: The IC is used in various industrial lighting systems where controlled LED outputs are required.
- Consumer Electronics: It is also used in consumer electronics such as LED displays, LED strips, and other lighting applications.
Q & A
- What is the primary function of the HEF4794BT,112 IC?
The primary function of the HEF4794BT,112 is to act as an 8-stage shift-and-store register LED driver, controlling the sequential output of LEDs.
- What is the supply voltage range for the HEF4794BT,112?
The supply voltage range for the HEF4794BT,112 is from 3V to 15V.
- How many output channels does the HEF4794BT,112 have?
The HEF4794BT,112 has 8 output channels.
- What is the maximum output current per channel for the HEF4794BT,112?
The maximum output current per channel for the HEF4794BT,112 is 40mA.
- What is the operating temperature range for the HEF4794BT,112?
The operating temperature range for the HEF4794BT,112 is -40°C to 125°C (TA).
- What type of package does the HEF4794BT,112 come in?
The HEF4794BT,112 comes in a 16-SOIC package.
- Is the HEF4794BT,112 suitable for surface mount technology?
Yes, the HEF4794BT,112 is suitable for surface mount technology.
- What are some common applications of the HEF4794BT,112?
Common applications include display panels, signage and advertising displays, industrial lighting systems, and consumer electronics.
- Is the HEF4794BT,112 RoHS compliant?
No RoHS information is available for the HEF4794BT,112.
- Where can I find the datasheet for the HEF4794BT,112?
The datasheet for the HEF4794BT,112 can be found on the Nexperia website or through authorized distributors.
