Overview
The TPS2HB16A-Q1 is a dual-channel smart high-side switch designed by Texas Instruments for use in 12-V automotive systems. This device is part of the TPS2HB16-Q1 family and is known for its robust protection and diagnostic features. It integrates advanced protection mechanisms to ensure output port protection even during harmful events such as short circuits. The device is capable of driving various load profiles, including high-power applications like LED lighting and automotive modules.
Key Specifications
| Parameter | Test Conditions | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| Maximum continuous supply voltage, VBB | - | - | - | 36 | V |
| Load dump voltage, VLD | ISO16750-2:2010(E) | - | - | 40 | V |
| Reverse battery voltage, VRev, t ≤3 minutes | - | -18 | - | - | V |
| Enable pin voltage, VEN1 and VEN2 | - | -1 | - | 7 | V |
| LATCH pin voltage, VLATCH | - | -1 | - | 7 | V |
| On-resistance (RON) at TJ = 25°C | - | - | 16 | - | mΩ |
| Current limit range (Version A) | - | 4.1 A | - | 22 A | A |
| Thermal shutdown temperature | - | - | - | 150 | °C |
| Junction-to-ambient thermal resistance (RθJA) | - | - | - | 32.9 | °C/W |
Key Features
- Dual-channel smart high-side switch with 16-mΩ on-resistance (RON) at TJ = 25°C.
- Adjustable current limiting from 4.1 A to 22 A (Version A) and internally fixed at 60 A (Version F).
- Robust integrated output protection including thermal protection, short-to-ground/battery protection, reverse battery protection, and automatic shut off if loss of battery/ground occurs.
- Integrated output clamp to demagnetize inductive loads.
- Configurable fault handling with latched or auto-retry behavior.
- Analog sense output for accurate measurement of load current and device temperature.
- Fault indication through SNS pin for detection of open load and short-to-battery conditions.
- Available in HTSSOP package with a reduced PCB footprint (5.00 mm × 4.40 mm).
Applications
- Automotive display modules.
- Advanced Driver Assistance Systems (ADAS) modules.
- Seat comfort modules.
- Transmission control units.
- HVAC control modules.
- Body control modules.
- LED lighting, including 2x27W bulbs.
Q & A
- What is the maximum continuous supply voltage for the TPS2HB16A-Q1?
The maximum continuous supply voltage is 36 V.
- What is the on-resistance (RON) of the TPS2HB16A-Q1 at TJ = 25°C?
The on-resistance (RON) is 16 mΩ at TJ = 25°C.
- What are the current limit ranges for the TPS2HB16A-Q1?
The current limit range for Version A is adjustable from 4.1 A to 22 A.
- What types of protection does the TPS2HB16A-Q1 offer?
The device offers thermal protection, short-to-ground/battery protection, reverse battery protection, and automatic shut off if loss of battery/ground occurs.
- How does the TPS2HB16A-Q1 handle fault conditions?
The device can be configured for latched or auto-retry fault handling behavior.
- What diagnostic features are available on the TPS2HB16A-Q1?
The device provides analog sense output for measuring load current and device temperature, and fault indication through the SNS pin.
- In what package is the TPS2HB16A-Q1 available?
The device is available in a 16-pin HTSSOP package.
- What are some common applications for the TPS2HB16A-Q1?
Common applications include automotive display modules, ADAS modules, seat comfort modules, transmission control units, HVAC control modules, body control modules, and LED lighting.
- How does the TPS2HB16A-Q1 protect against reverse battery events?
The device includes protection against reverse battery events, including automatic switch on with reverse voltage.
- What is the thermal shutdown temperature for the TPS2HB16A-Q1?
The thermal shutdown temperature is 150°C.
