Overview
The TPS2H160-Q1, produced by Texas Instruments, is a fully-protected dual-channel smart high-side switch. This device is integrated with 160-mΩ NMOS power FETs and features full diagnostics and high-accuracy current-sense capabilities. It is designed to provide intelligent control of the load and enhances system reliability through an external adjustable current limit, which helps in limiting inrush or overload currents. The TPS2H160-Q1 is AEC-Q100 qualified, making it suitable for automotive applications, and it operates within a wide temperature range of –40°C to 125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Package | 16-HTSSOP (0.173", 4.40mm Width) Exposed Pad | |
| Operating Temperature Range | –40°C to 125°C | °C |
| Voltage - Load | 3.4 V to 40 V | V |
| Current - Output (Max) | 2.5 A | A |
| Rds On (Typ) | 155 mΩ | mΩ |
| Number of Outputs | 2 | |
| Output Configuration | High Side | |
| Output Type | N-Channel | |
| Fault Protection | Current Limiting (Adjustable), Over Temperature | |
| Standby Current | < 500 nA | nA |
Key Features
- AEC-Q100 Qualified: Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range, HBM ESD Classification Level H2, and CDM ESD Classification Level C4B.
- Full Diagnostics: Versions A and B with open-drain status output and current-sense analog output, respectively.
- High-Accuracy Current Sense: ±17% under >25-mA load and adjustable current limit with external resistor ±15% under >500-mA load.
- Protection Features: Short-to-GND protection by current limit, thermal shutdown with latch-off option and thermal swing, inductive load negative voltage clamp with optimized slew rate, and loss of GND and loss of battery protection.
- Diagnostic Capabilities: Overcurrent and short to ground detection, open-load and short-to-battery detection, and global fault for fast interrupt.
- Ultralow Standby Current: Less than 500 nA.
- Thermally-Enhanced Package: 16-Pin HTSSOP with exposed thermal pad.
Applications
- Dual-Channel LED Drivers and Bulb Drivers: Suitable for driving multiple LED or bulb loads with high accuracy and protection.
- Dual-Channel High-Side Switches for Sub-Modules: Ideal for controlling power to various sub-modules in automotive and industrial systems.
- Dual-Channel High-Side Relay and Solenoid Drivers: Used for controlling relays, solenoids, and other inductive loads with optimized protection features.
Q & A
- What is the operating temperature range of the TPS2H160-Q1?
The operating temperature range is –40°C to 125°C.
- What is the maximum output current of the TPS2H160-Q1?
The maximum output current is 2.5 A.
- What types of diagnostic outputs are available for the TPS2H160-Q1?
Version A provides an open-drain status output, while Version B offers a current-sense analog output.
- What is the typical on-resistance (Rds On) of the TPS2H160-Q1?
The typical on-resistance is 155 mΩ.
- What protection features does the TPS2H160-Q1 include?
The device includes short-to-GND protection, thermal shutdown, inductive load negative voltage clamp, and loss of GND and loss of battery protection.
- Is the TPS2H160-Q1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified and designed for automotive applications.
- What is the standby current of the TPS2H160-Q1?
The standby current is less than 500 nA.
- How does the TPS2H160-Q1 handle inductive loads?
The device implements an active clamp between drain and source to protect itself during inductive switching-off cycles, and it optimizes the switching-off slew rate to minimize transient power and EMI effects.
- What package type is the TPS2H160-Q1 available in?
The device is available in a 16-Pin HTSSOP package with an exposed thermal pad.
- Can the current limit of the TPS2H160-Q1 be adjusted externally?
Yes, the current limit can be adjusted using an external resistor.
