Overview
The TPS1HB16A-Q1 is a smart high-side switch designed by Texas Instruments for use in 12-V automotive systems. This device is part of the TPS1HB16-Q1 family and is specifically tailored for robust protection and diagnostic features. It integrates a reliable current limit, adjustable from 4.4 A to 22 A, making it suitable for loads requiring large transient currents as well as those needing improved protection against high peak currents. The device is packaged in a HTSSOP package, reducing the PCB footprint and enhancing system design flexibility.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Continuous Supply Voltage (VBB) | 36 | V |
| Load Dump Voltage (VLD) | 40 | V |
| Reverse Battery Voltage (VRev) | -18 | V |
| On-Resistance (RON) at TJ = 25°C, 6 V ≤ VBB ≤ 28 V | 16 | mΩ |
| On-Resistance (RON) at TJ = 150°C, 6 V ≤ VBB ≤ 28 V | 32 | mΩ |
| Current Limit Range (Version A) | 4.4 A to 22 A | A |
| Thermal Shutdown Temperature | 150 | °C |
| Junction-to-Ambient Thermal Resistance (RθJA) | 34.3 | °C/W |
| Package Type | HTSSOP (16-pin) | |
| Package Body Size | 5.00 mm × 4.40 mm |
Key Features
- Robust Protection: The device includes reliable current limit, short-circuit protection, and thermal shutdown to ensure output port protection.
- Adjustable Current Limit: The current limit is adjustable from 4.4 A to 22 A, depending on the device variant, allowing for flexibility in load management.
- High Accuracy Analog Current Sense: Provides accurate load current sensing, enabling predictive maintenance and load diagnostics.
- Diagnostics and Fault Handling: Offers features like open-load detection, short-to-battery detection, and fault indication, enhancing system reliability.
- Compact Packaging: Available in a HTSSOP package, reducing PCB footprint and enhancing design flexibility.
- Wide Operating Temperature Range: Operates from -40°C to 150°C, making it suitable for various automotive environments.
Applications
- ADAS Modules: Advanced Driver Assistance Systems.
- Seat Comfort Modules: Power management for seat heating, cooling, and adjustment systems.
- Transmission Control Units: Power and control for transmission systems.
- HVAC Control Modules: Heating, Ventilation, and Air Conditioning systems.
- Body Control Modules: General body electronics such as lighting, wipers, and mirrors.
- Incandescent and LED Lighting: Power management for various lighting systems.
- General Resistive, Capacitive, Inductive Loads: Suitable for a wide range of load types.
- Relays/Motors: Power and control for relays and motors in automotive systems.
Q & A
- What is the primary application of the TPS1HB16A-Q1?
The TPS1HB16A-Q1 is primarily used in 12-V automotive systems for robust protection and diagnostic features.
- What is the adjustable current limit range for the TPS1HB16A-Q1?
The current limit is adjustable from 4.4 A to 22 A.
- What type of package does the TPS1HB16A-Q1 come in?
The device is packaged in a HTSSOP (16-pin) package.
- What are the key diagnostic features of the TPS1HB16A-Q1?
The device provides high accuracy analog current sense, open-load detection, short-to-battery detection, and fault indication.
- What is the operating temperature range of the TPS1HB16A-Q1?
The device operates from -40°C to 150°C.
- How does the TPS1HB16A-Q1 protect against faults?
The device protects against faults through a reliable current limit and thermal shutdown.
- What is the on-resistance of the TPS1HB16A-Q1 at 25°C?
The on-resistance (RON) at TJ = 25°C is 16 mΩ.
- Can the TPS1HB16A-Q1 handle reverse battery conditions?
Yes, the device can handle reverse battery voltages up to -18 V for a short duration.
- What is the thermal shutdown temperature of the TPS1HB16A-Q1?
The thermal shutdown temperature is 150°C.
- How does the TPS1HB16A-Q1 enhance system reliability?
The device enhances system reliability through its robust protection features, accurate diagnostics, and fault handling capabilities.
