1 Features
• Dual-Channel smart high-side switch with full
diagnostics
– Control using GPIO pins
– Open-drain status output
– Current sense analog output, <±2.5% at ≥ 1A
• Wide operating voltage 3V to 28V
• Low RON: 9.4mΩ typical, 19mΩ max
• Ultra-low standby current, <1.5μA
• Adjustable current limit with and without thermal
regulation
– Current limit range: 7.5A to 30A
• Protection
– Overload and short-circuit protection
– Undervoltage lockout (UVLO)
– Thermal shutdown and swing with self recovery
– Integrated output clamp to demagnetize
inductive loads
– Loss-of-GND, loss-of-battery, and reverse
battery protection
• Diagnostics
– Global fault report for fast interrupt
– Overcurrent and short-to-ground detection
– Open-load and short-to-battery detection
• Qualified for automotive applications
– AEC-Q100 qualified with the following results:
• Temperature grade 1: –40°C to 125°C
ambient operating temperature range
– Electrical transient disturbance immunity
certification of ISO7637-2 and ISO16750-2
• Small footprint: 11-pin QFN 2.2mm × 3.6mm,
0.55mm pitch

2 Applications
• Incandescent and LED lighting
• Body control module
• Zone control module

3 Description
TPS2HC08-Q1 is a dual-channel, smart high-side
switch, with integrated NMOS power FETs and charge
pump, designed to meet the requirements of 12V
automotive battery systems. The low RON (9.4mΩ)
minimizes device power dissipation when driving a
wide range of output load current up to 7.5A DC when
both channels are enabled or 10A DC when only one
channel is enabled.
The device integrates protection features such as
thermal shutdown, output clamp, and current limit.
TPS2HC08-Q1 implements an adjustable current
limiting circuit that improves the reliability of the
system by reducing inrush current when driving large
capacitive loads and minimizing overload current. The
adjustable current limit can be adjusted from (7.5A to
30A) using an external resistor on the ILIM pin. The
devices offers current limit settings with and without
thermal regulation. The thermal regulated current limit
can be useful when charging large capacitors at startup.
The current limit setting without thermal regulation
is useful for loads such motor stall currents or bulb
loads.
The device also provides an accurate load current
sense that allows for improved load diagnostics such
as overload and open-load detection enabling better
predictive maintenance. TPS2HC08-Q1 is available in
a 11-pin, 2.2mm × 3.6mm QFN leaded package with
0.55mm pin pitch minimizing the PCB footprint.