Overview
The TPS2H000-Q1, produced by Texas Instruments, is a fully protected dual-channel smart high-side switch. This device is designed with integrated 1000-mΩ NMOS power FETs, offering advanced diagnostic and high-accuracy current-sense features. It is particularly suited for applications requiring intelligent control of loads, such as LED drivers, high-side switches for sub-modules, and high-side relay drivers. The device features an external adjustable current limit, enhancing the reliability of the system by limiting inrush or overload currents.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage (VVS) | 4 to 40 | V |
| Undervoltage Turn-On (VVS rises up) | 3.5 to 3.7 | V |
| Undervoltage Shutdown (VVS falls down) | 3 to 3.2 | V |
| Undervoltage Shutdown Hysteresis | 0.5 | V |
| Channel Count | 2 | |
| Package Type | 16-Pin HTSSOP with Exposed Thermal Pad | |
| Junction-to-Ambient Thermal Resistance (RθJA) | 39.1 | °C/W |
| Junction-to-Case (Top) Thermal Resistance (RθJC(top)) | 29 | °C/W |
| Junction-to-Board Thermal Resistance (RθJB) | 22.9 | °C/W |
Key Features
- Integrated 1000-mΩ NMOS power FETs for each channel.
- Full diagnostics including overcurrent, short-to-ground, open-load, and short-to-battery detection.
- Global fault for fast interrupt.
- External adjustable current limit to improve system reliability.
- Inductive load negative voltage clamp with optimized slew rate.
- Loss of GND and loss of battery protection.
- 16-Pin Thermally-Enhanced PWP package.
Applications
- Dual-Channel LED drivers.
- Dual-Channel high-side switches for sub-modules.
- Dual-Channel high-side relay drivers.
Q & A
- What is the operating voltage range of the TPS2H000-Q1?
The operating voltage range is from 4 V to 40 V. - How many channels does the TPS2H000-Q1 have?
The device has two channels. - What type of package does the TPS2H000-Q1 come in?
The device comes in a 16-Pin HTSSOP package with an exposed thermal pad. - What are the key diagnostic features of the TPS2H000-Q1?
The device includes diagnostics for overcurrent, short-to-ground, open-load, and short-to-battery, along with a global fault for fast interrupt. - How does the TPS2H000-Q1 protect against inductive loads?
The device features an inductive load negative voltage clamp with optimized slew rate. - What is the purpose of the external adjustable current limit?
The external adjustable current limit improves system reliability by limiting inrush or overload currents. - What are some common applications for the TPS2H000-Q1?
Common applications include dual-channel LED drivers, high-side switches for sub-modules, and high-side relay drivers. - What is the junction-to-ambient thermal resistance of the TPS2H000-Q1?
The junction-to-ambient thermal resistance (RθJA) is 39.1 °C/W. - Does the TPS2H000-Q1 have protection against loss of GND and battery?
Yes, the device includes protection against loss of GND and loss of battery. - How does the thermal pad of the TPS2H000-Q1 contribute to its performance?
The thermal pad helps in heat dissipation, enhancing the device's thermal performance.
