Overview
The TPS4H000BQPWPRQ1 is a quad-channel smart high-side switch produced by Texas Instruments. This device is part of the TPS4H000-Q1 family and is designed for automotive and other high-reliability applications. It features integrated 1000-mΩ NMOS power FETs, full diagnostics, and high-accuracy current-sense capabilities. The switch is housed in a 20-pin thermally-enhanced HTSSOP package with an exposed thermal pad, ensuring efficient heat dissipation. The device is AEC-Q100 qualified, making it suitable for harsh automotive environments with an operating temperature range of -40°C to 125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Pins | 20 | - |
| Number of Outputs | 4 | - |
| Max Supply Voltage | 40 | V |
| Min Supply Voltage | 3 | V |
| Case/Package | HTSSOP | - |
| Max Operating Temperature | 125 | °C |
| Min Operating Temperature | -40 | °C |
| Nominal Input Voltage | 40 | V |
| Nominal Supply Current | 7 | mA |
| Number of Channels | 4 | - |
| Packaging | Tape & Reel | - |
| Height | 1.2 | mm |
| Length | 6.5 | mm |
| Width | 4.4 | mm |
| Lead Free | Yes | - |
| RoHS Compliant | Yes | - |
Key Features
- Qualified for automotive applications with AEC-Q100 qualification and a device temperature grade of 1: -40°C to 125°C.
- Quad-channel 1000-mΩ smart high-side switch with full diagnostics and high-accuracy current-sense features.
- Wide operating voltage range from 3.4 V to 40 V.
- Ultralow standby current of less than 500 nA.
- Adjustable current limit with external resistor for improved system reliability.
- Protection features include short-to-GND protection, thermal shutdown with latch-off option, inductive load negative voltage clamp, and loss of GND and battery protection.
- Diagnostics include overcurrent and short-to-ground detection, open-load and short-to-battery detection, and global fault reporting for fast interrupt.
- Available in two versions: Version A with open-drain digital output and Version B with current-sense analog output.
Applications
- Quad-channel LED drivers.
- Quad-channel high-side switches for sub-modules.
- Quad-channel high-side relay drivers.
- General resistive, capacitive, and inductive loads.
- Cameras and sensors.
- Relays and SEH (Smart Energy Harvesting) applications.
Q & A
- What is the TPS4H000BQPWPRQ1 used for?
The TPS4H000BQPWPRQ1 is a quad-channel smart high-side switch used in various applications such as LED drivers, high-side switches for sub-modules, and relay drivers, particularly in automotive and high-reliability environments.
- What is the operating voltage range of the TPS4H000BQPWPRQ1?
The device operates within a voltage range of 3.4 V to 40 V.
- What are the key protection features of the TPS4H000BQPWPRQ1?
The device includes protection features such as short-to-GND protection, thermal shutdown with latch-off option, inductive load negative voltage clamp, and loss of GND and battery protection.
- How does the TPS4H000BQPWPRQ1 handle diagnostics?
The device features full diagnostics, including overcurrent and short-to-ground detection, open-load and short-to-battery detection, and global fault reporting for fast interrupt.
- What are the different versions of the TPS4H000-Q1 family?
The TPS4H000-Q1 family is available in two versions: Version A with an open-drain digital output and Version B with a current-sense analog output.
- What is the package type and pin count of the TPS4H000BQPWPRQ1?
The device is packaged in a 20-pin thermally-enhanced HTSSOP with an exposed thermal pad.
- Is the TPS4H000BQPWPRQ1 RoHS compliant and lead-free?
Yes, the device is both RoHS compliant and lead-free.
- What is the maximum operating temperature of the TPS4H000BQPWPRQ1?
The maximum operating temperature is 125°C.
- What is the standby current of the TPS4H000BQPWPRQ1?
The device has an ultralow standby current of less than 500 nA.
- Can the current limit of the TPS4H000BQPWPRQ1 be adjusted?
Yes, the current limit can be adjusted using an external resistor.
