Overview
The TPS27S100APWPT, produced by Texas Instruments, is a single-channel, fully-protected high-side switch integrated with an NMOS and a charge pump. This device is designed to provide intelligent control of the load with full diagnostics and high-accuracy current-monitor features. It operates over a wide voltage range from 3.5 V to 40 V, making it versatile for various applications. The TPS27S100APWPT is available in thermally-enhanced 14-pin PWP or 16-pin QFN packages, ensuring efficient thermal management and compact design.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage | 3.5 V to 40 V |
| On-Resistance | 80 mΩ |
| Maximum Current | 4 A |
| Package Type | 14-Pin PWP, 16-Pin QFN |
| Operating Junction Temperature | -40°C to 150°C |
| Standby Current | < 0.5 µA |
| Input Control Logic | 3.3-V and 5-V compatible |
| Current Limit Range | 0.5 A to 6 A (adjustable with external resistor) |
| ESD Protection | ±16 kV IEC 61000-4-2 contact discharge, ±4 kV IEC 61000-4-4 electrical fast transient, ±1.0 kV/42 Ω IEC 61000-4-5 surge |
Key Features
- High-accuracy current monitor with ±30 mA at 1 A
- Adjustable current limit (0.5 A to 6 A) with external resistor
- Diagnostic enable function for multiplexing of MCU, analog or digital interface
- Open-drain status output (TPS27S100A) or current monitor analog output (TPS27S100B)
- Overload and short-circuit-to-GND protection
- Inductive load negative voltage clamp
- Undervoltage lockout (UVLO) protection
- Thermal shutdown and swing with self-recovery
- Loss of GND protection
- Excellent ESD protection on IN and OUT pins
Applications
- Programmable logic controllers
- Building automation
- Telecom and network systems
- Industrial control systems
- Power distribution and management
Q & A
- What is the operating voltage range of the TPS27S100APWPT?
The operating voltage range is from 3.5 V to 40 V. - What is the maximum current rating of the TPS27S100APWPT?
The maximum current rating is 4 A. - What types of packages are available for the TPS27S100APWPT?
The device is available in 14-pin PWP and 16-pin QFN packages. - What are the key diagnostic features of the TPS27S100APWPT?
The device features open-drain status output or current monitor analog output, overload and short-circuit detection, thermal shutdown detection, and loss of GND protection. - How does the adjustable current limit function work?
The current limit can be adjusted using an external resistor, allowing for a range of 0.5 A to 6 A. - What kind of ESD protection does the TPS27S100APWPT offer?
The device offers ±16 kV IEC 61000-4-2 contact discharge, ±4 kV IEC 61000-4-4 electrical fast transient, and ±1.0 kV/42 Ω IEC 61000-4-5 surge protection. - What are some common applications for the TPS27S100APWPT?
Common applications include programmable logic controllers, building automation, telecom and network systems, and industrial control systems. - How does the inductive load negative voltage clamp work?
The device includes an active drain to source voltage clamp to address switching off the energy of inductive loads, such as relays, solenoids, and motors. - What is the standby current of the TPS27S100APWPT?
The standby current is less than 0.5 µA. - Is the TPS27S100APWPT compatible with 3.3-V and 5-V logic?
Yes, the device is compatible with both 3.3-V and 5-V logic.
