Overview
The TPS2044BD is a power distribution switch produced by Texas Instruments, designed for applications where heavy capacitive loads and short circuits are likely to occur. This device features four high-side MOSFET power switches in a single SOIC-16 package, making it suitable for power-distribution systems that require multiple switches. The TPS2044BD operates over a supply voltage range of 2.7V to 5.5V and is capable of handling continuous currents up to 500mA per channel. It includes various protection features such as thermal and short-circuit protection, accurate current limiting, and undervoltage lockout, ensuring reliable operation in demanding environments.
Key Specifications
| Specification | Value |
|---|---|
| Package | SOIC-16 (D) |
| Number of Outputs | 4 |
| Number of Pins | 16 |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 2.7V to 5.5V |
| Maximum Output Current | 500mA |
| On-State Resistance | 70mΩ |
| Maximum Power Dissipation | 898.47mW |
| Fault Protection | Over Temperature, Short-Circuit |
| Undervoltage Lockout | Yes |
| RoHS Compliant | Yes |
| Lead Free | Yes |
Key Features
- 70mΩ High-Side MOSFET power switches
- Continuous current capability of 500mA per channel
- Thermal and short-circuit protection
- Accurate current limiting (0.75A minimum, 1.25A maximum)
- Undervoltage lockout
- Deglitched fault report (OC)
- No OC glitch during power-up
- Maximum standby supply current: 1µA (single, dual) or 2µA (triple, quad)
- UL recognized, File Number E169910
Applications
The TPS2044BD is designed for use in various power-distribution systems, particularly where multiple power switches are required in a single package. It is suitable for applications involving heavy capacitive loads and short circuits, such as in USB power distribution, battery charging circuits, and other power management systems. Additionally, it can be used in industrial and consumer electronics where reliable power switching and protection are critical.
Q & A
- What is the operating temperature range of the TPS2044BD?
The operating temperature range is -40°C to 85°C. - How many output channels does the TPS2044BD have?
The TPS2044BD has 4 output channels. - What is the maximum output current per channel?
The maximum output current per channel is 500mA. - Does the TPS2044BD have thermal protection?
Yes, the TPS2044BD includes thermal protection to prevent damage from overheating. - What is the supply voltage range for the TPS2044BD?
The supply voltage range is 2.7V to 5.5V. - Is the TPS2044BD RoHS compliant?
Yes, the TPS2044BD is RoHS compliant. - What type of package does the TPS2044BD come in?
The TPS2044BD comes in a SOIC-16 (D) package. - Does the TPS2044BD have undervoltage lockout?
Yes, the TPS2044BD includes undervoltage lockout. - What is the on-state resistance of the TPS2044BD?
The on-state resistance is 70mΩ. - Is the TPS2044BD UL recognized?
Yes, the TPS2044BD is UL recognized with File Number E169910.
