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Texas Instruments TPS1HC30-Q1 Automotive High-Side Power Switch

Texas Instruments TPS1HC30-Q1 Automotive High-Side Power Switch is a single-channel, fully-protected, power switch with an integrated NMOS power FET and charge pump. This device offers accurate, current sense, and programmable current limit features that differentiate the device from other products. The TPS1HC30-Q1 switch offers a wide operating voltage range of 3V to 28V and an operating temperature range of -40°C to 150°C. This high-side switch features fault sense voltage scaling for ADC protection and ±6% at 1A high-accuracy current sense. The TPS1HC30-Q1 switch is applicable for various resistive, inductive, and capacitive loads, including low-wattage bulbs, LEDs, relays, solenoids, and heaters. The TPS1HC30-Q1 device is AEC-Q100 qualified for automotive applications.

Features

Single-channel, smart automotive, high-side power switch with full diagnostics:
- Open-drain status output
- Current sense analog output
3V to 28V wide operating voltage range
2.5µA low standby current at 85°C
Programmable current limit and accuracy ±15% at 3.5A
High-accuracy current sense, ±6% at 1A
Protections:
- Overload and short-circuit protection
- Inductive load negative voltage clamp
- Undervoltage Lockout (UVLO) protection
- Thermal shutdown and swing with self-recovery
- Loss of GND and loss of supply protection
- Reverse battery protection

-40°C to 150°C operating junction temperature
1.8V, 3.3V, and 5V logic compatible
Fault sense voltage scaling for ADC protection
Diagnostic:
- On-state and off-state output open-load and short-to-battery detection
- Overload and short-to-ground detection
- Thermal shutdown and swing detection
Qualifications:
- AEC-Q100 qualified for automotive applications:
  - Temperature grade 1: -40°C to +125°C, T_A
- Electrical transient disturbance immunity certification of ISO7637-2 and ISO16750-2
14-pin, thermally-enhanced PWP package

Applications

Automotive display module
ADAS modules
Seat comfort module

HVAC control module
Body control module

Texas Instruments TPS1HC30-Q1 Automotive High-Side Power Switch

Features

Applications

Block Diagram

Application Diagram

Current Limit Application

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