Texas Instruments SN75454BPSR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.70 | $0.70 |
| 15+ | $0.68 | $10.20 |
| 25+ | $0.67 | $16.75 |
| 50+ | $0.63 | $31.50 |
| 100+ | $0.56 | $56.00 |
| N+ | $0.11 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Marketplace | Cut Tape (CT) |
| 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 | 100µA, 300mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 8-SOIC (0.209", 5.30mm Width) |
| ROHS |
The SN75454BPSR from Texas Instruments is a dual-channel peripheral driver designed for high-current switching applications. Operating from a 4.75V to 5.25V supply, it features open-collector outputs capable of sinking up to 300mA per channel. This makes it an excellent choice for driving relays, solenoids, LEDs, and other inductive or resistive loads. The 8-pin SOIC package is compact and suitable for industrial control, automotive, and consumer electronics. Its robust design ensures reliable performance in demanding environments.
- High Current Sinking (300mA): Directly drives relays, solenoids, and high-power LEDs without additional transistors.
- Open-Collector Outputs: Provides design flexibility for level shifting and wired-OR bus connections.
- Dual-Channel Configuration: Saves board space by integrating two independent drivers in one package.
- Wide Operating Temperature (0°C to 70°C): Suitable for commercial and industrial environments.
Relay and Solenoid Driving
The open-collector outputs can sink up to 300mA, making the SN75454BPSR ideal for directly driving relays and solenoids in industrial control systems. An external flyback diode is recommended to protect the driver from inductive kickback.
LED Display and Indicator Control
With its high current-sinking capability, this driver can power multiple LEDs or high-brightness indicators. The open-collector output allows for easy current limiting with a single series resistor per channel.
Logic-to-Power Interface
This peripheral driver bridges the gap between low-power logic outputs and high-power loads. It translates 5V logic signals into high-current drive signals, ensuring reliable switching of external devices.
Motor Driver Front-End
In small DC motor applications, the SN75454BPSR can be used as a pre-driver stage, providing the necessary current to drive power transistors or motor driver ICs, enhancing the overall system robustness.
Lamp and Heater Control
For automotive and appliance applications, this driver can control incandescent lamps or small resistive heaters. The 300mA sink current is sufficient for many low-power heating elements.
Bus Line Driving
The open-collector configuration allows for wired-OR connections, making it suitable for driving shared bus lines in older digital systems, where multiple devices can pull the line low.
- Q: What is the logic family of the SN75454BPSR?
- A: The SN75454BPSR is a bipolar peripheral driver, not a standard CMOS logic family. It is designed for high-current driving applications.
- Q: What is the function of this device?
- A: It is a dual-channel peripheral driver with open-collector outputs, ideal for interfacing logic circuits to loads like relays, LEDs, and solenoids.
- Q: How many channels does the SN75454BPSR have?
- A: It features 2 independent driver channels, each capable of sinking up to 300mA.
- Q: What is the output type?
- A: The outputs are open-collector, allowing for external pull-up resistors and level shifting to higher voltages.
- Q: What is the supply voltage range?
- A: The recommended supply voltage is 4.75V to 5.25V, making it compatible with standard 5V logic systems.
- Q: What package is available?
- A: It comes in an 8-pin SOIC package (0.209" width), suitable for space-constrained designs.
- Q: What is the logic family of the SN75454BPSR?
- A: The SN75454BPSR is a bipolar peripheral driver, not a standard CMOS logic family. It is designed for high-current driving applications.
- Q: What is the function of this device?
- A: It is a dual-channel peripheral driver with open-collector outputs, ideal for interfacing logic circuits to loads like relays, LEDs, and solenoids.
- Q: How many channels does the SN75454BPSR have?
- A: It features 2 independent driver channels, each capable of sinking up to 300mA.
- Q: What is the output type?
- A: The outputs are open-collector, allowing for external pull-up resistors and level shifting to higher voltages.
- Q: What is the supply voltage range?
- A: The recommended supply voltage is 4.75V to 5.25V, making it compatible with standard 5V logic systems.
- Q: What package is available?
- A: It comes in an 8-pin SOIC package (0.209" width), suitable for space-constrained designs.

SN75454BPSR.pdf