| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.00 | $0.00 |
| 15+ | $0.00 | $0.00 |
| 25+ | $0.00 | $0.00 |
| 50+ | $0.00 | $0.00 |
| 100+ | $0.00 | $0.00 |
| N+ | $0.00 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | | |
| Part Status | Active |
| Logic Type | Peripheral Driver |
| Number of Elements | 2 |
| Number of Bits per Element | 2 |
| Input Type | - |
| Output Type | Open Collector |
| Current - Output High, Low | 300µA, 300mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 8-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 8-CDIP (0.300", 7.62mm) |
| ROHS |  |
The SN55454BJG is a dual peripheral driver from Texas Instruments, designed to interface low-level logic signals with high-current loads. Operating from a 4.5V to 5.5V supply, it features two open-collector outputs capable of sinking up to 300mA, making it ideal for driving relays, solenoids, lamps, and small motors. Housed in a robust 8-pin ceramic CDIP, this device is qualified for the -55°C to 125°C military temperature range, ensuring dependable performance in harsh environments. Its simple logic interface and high current capability make it a versatile building block for industrial, aerospace, and defense control systems.
- High Current Sink (300mA): Directly drives relays, solenoids, and lamps without external power transistors, simplifying design.
- Open-Collector Outputs: Allows flexible pull-up voltage selection, enabling interface with higher-voltage loads.
- Military Temperature Range (-55°C to 125°C): Ensures reliable operation in extreme environments, suitable for defense and aerospace.
- Dual-Channel Configuration: Provides two independent drivers in a compact 8-pin package, saving board space.
Driving Relays and Solenoids
In industrial control systems, the SN55454BJG can directly drive electromechanical relays and solenoids. The open-collector output can sink up to 300mA, sufficient for many medium-power relays, while an external flyback diode protects the driver from inductive voltage spikes.
LED and Lamp Indication
For panel indicators and status lamps, this driver can switch high-current incandescent bulbs or high-brightness LEDs. The 300mA sink capability allows series resistors to limit current precisely, ensuring consistent brightness across the military temperature range.
Motor and Actuator Control
In aerospace actuation systems, the device can control small DC motors or hydraulic valves through an external power transistor. The logic-level input from a microcontroller can switch the high-current load, providing isolation between control and power stages.
Logic-to-Power Interface
The SN55454BJG acts as a buffer between low-power TTL logic and high-power peripheral devices. Its open-collector output can be pulled up to a higher voltage (e.g., 12V or 24V) to interface with industrial loads, enabling level shifting and current amplification.
Peripheral Driver in Avionics
In avionics systems, this driver can control warning lights, heaters, or small fans. The ceramic package and wide temperature range ensure reliable operation in unpressurized or high-altitude environments where temperature extremes are common.
- Q: What is the logic family of the SN55454BJG?
- A: It is a standard peripheral driver, not part of a specific low-voltage logic family, designed for high-current switching applications.
- Q: What is the function of this IC?
- A: It is a dual-channel peripheral driver, capable of driving relays, solenoids, lamps, and other high-current loads.
- Q: What is the output type?
- A: It features open-collector outputs, allowing it to sink up to 300mA per channel when the output transistor is turned on.
- Q: What is the operating voltage range?
- A: The supply voltage range is 4.5V to 5.5V, compatible with standard TTL logic levels.
- Q: What is the package type?
- A: It is available in an 8-pin CDIP (Ceramic Dual In-line Package) with a 0.300-inch body width.
- Q: What is the operating temperature range?
- A: It is specified for the military temperature range of -55°C to 125°C.
SN55454BJG.pdf
- Q: What is the logic family of the SN55454BJG?
- A: It is a standard peripheral driver, not part of a specific low-voltage logic family, designed for high-current switching applications.
- Q: What is the function of this IC?
- A: It is a dual-channel peripheral driver, capable of driving relays, solenoids, lamps, and other high-current loads.
- Q: What is the output type?
- A: It features open-collector outputs, allowing it to sink up to 300mA per channel when the output transistor is turned on.
- Q: What is the operating voltage range?
- A: The supply voltage range is 4.5V to 5.5V, compatible with standard TTL logic levels.
- Q: What is the package type?
- A: It is available in an 8-pin CDIP (Ceramic Dual In-line Package) with a 0.300-inch body width.
- Q: What is the operating temperature range?
- A: It is specified for the military temperature range of -55°C to 125°C.