Texas Instruments: Automotive Grade Chips Priced Below 1 Yuan

These automotive-grade chips cover a variety of types, each playing different roles in automotive electronic systems. Below is an overall summary of these chips categorized by type:

1. Shift Registers: Such as SN74LV164A-Q1 (automotive grade, 8-bit, parallel output serial shift register), SN74AC164-Q1 (automotive grade 1.5V to 6V 8-bit serial input parallel output shift register), etc. They are mainly used for serial and parallel data conversion, enabling effective data transmission and storage in automotive electronic systems, for example, in modules that require sequential processing or storage of data.
2. Voltage Regulators: Including ATL431LI-Q1 (automotive grade high bandwidth, low IQ programmable linear voltage regulator), ATL432LI-Q1 (automotive grade high bandwidth low IQ programmable linear voltage regulator), TL431-Q1 (automotive grade adjustable precision linear voltage regulator), etc. Their function is to provide stable voltage for automotive electronic devices, ensuring that components operate normally at appropriate voltages, widely used in various circuit systems of vehicles.
3. Comparators: Such as LMV331-Q1 (automotive grade general-purpose low voltage comparator), TL391B-Q1 (automotive grade 36V single-channel comparator with replacement pins), LM2903-Q1 (AEC-Q100 grade 0 and 1 automotive high voltage dual differential comparator), etc. They are used to compare the magnitude of two input signals, playing an important role in automotive sensor signal processing, motor control, etc., for example, by comparing sensor output signals with set thresholds to determine the operational status of the vehicle.
4. Temperature Sensors: For example, TMP236-Q1 (automotive grade, ±0.5°C analog output temperature sensor with 19.5mV/°C gain), TMP235-Q1 (automotive grade ±1.5°C 2.3V to 5.5V analog output temperature sensor with +10mV/°C gain). They are mainly used to monitor the temperature of various components inside the vehicle, such as engine temperature, battery temperature, etc., providing data support for the vehicle’s temperature control system to ensure safe operation.
5. Buffers: For instance, SN74ACT8541-Q1 (automotive grade 8-channel 4.5V to 5.5V buffer with Schmitt trigger inputs), SN74AC8541-Q1 (automotive grade 8-channel 1.5V to 6V buffer with Schmitt trigger inputs), etc. They can enhance the driving capability of signals, reduce attenuation and interference during signal transmission, and stabilize signals in automotive communication and data transmission lines.
6. Operational Amplifiers: Such as LM2902B-Q1 (automotive grade quad-channel 36V 1.2MHz operational amplifier), LM2904-Q1 (automotive grade dual-channel 26V 700kHz operational amplifier), TLV6001-Q1 (automotive grade single-channel 5.5V 1MHz RRIO operational amplifier), etc. They are used to amplify and process analog signals, widely applied in automotive audio processing, sensor signal conditioning, etc.
7. Analog Switches: For example, SN74LVC2G66-Q1 (automotive grade 5V 1:1 (SPST) 2-channel analog switch), TMUX4051-Q1 (automotive grade ±12V 8:1 single-channel multiplexer with 1.8V compatible logic levels), etc. They can switch signal channels, playing a role in audio and video signal switching as well as data acquisition channel selection in vehicles.
8. Logic Gates: Including SN74ALVC00-Q1 (automotive grade 4-channel 2-input 1.65V to 3.6V NAND gate), SN74HC08-Q1 (automotive 4-channel 2-input 2V to 6V 5.2 mA drive strength AND gate), SN74HCS86-Q1 (automotive grade 4-channel 2-input 2V to 6V low power XOR gate with Schmitt trigger inputs), etc. They are used to perform various logical operations and are fundamental components in automotive electronic control systems, participating in the implementation of various control logics in vehicles.
9. Hall Effect Switches / Latches: For example, DRV5023-Q1 (automotive grade 2.7V to 38V Hall effect unipolar switch), DRV5013-Q1 (automotive grade high voltage (up to 38V), high bandwidth (30kHz) Hall effect latch). They achieve switching functions by detecting changes in magnetic fields, commonly used for position detection, speed detection in vehicles, such as detecting the open/close status of doors and the rotation speed of wheels.
10. Current Sensing Amplifiers: Such as INA180-Q1 (AEC-Q100, 26V, 350kHz current sensing amplifier), used to detect the magnitude of current in automotive circuits, playing a key role in automotive battery management systems, motor drive systems, etc., enabling real-time current monitoring to ensure safe operation of the system.
11. Flip-Flops: For instance, SN74LV74A-Q1 (automotive grade dual-channel rising edge D flip-flop), SN74HC74-Q1 (automotive grade dual-channel D flip-flop with clear and preset functions). They are used to store and control signal states, applied in automotive timing control, data storage, etc., for example, in automotive electronic control systems to control the sequence and timing of certain operations.
12. Multiplexers / Demultiplexers: Such as SN74HC151-Q1 (automotive grade 5V 8:1 single-channel universal multiplexer), SN74HC139-Q1 (automotive grade dual 2-line to 4-line decoder/demultiplexer). They can select and allocate multiple signal channels, used in automotive communication and data processing systems to rationally allocate and manage signal resources.
13. ESD Protection Diodes: For example, TPD4E001-Q1 (automotive grade four-channel 1.5pF, 5.5V, ±8kV ESD protection diode suitable for USB 2.0 with VCC pin), ESD2CAN24-Q1 (automotive grade dual 3pF, ±24V, ±30kV ESD protection diode suitable for in-vehicle networks). They are used to protect automotive electronic devices from electrostatic discharge (ESD) damage, enhancing the reliability and stability of automotive electronic systems.
14. Load Switches: Such as TPS22995H-Q1 (automotive grade 5.5V 3A 19mΩ load switch with adjustable rise time), which can control the on/off of circuits, used in automotive power management systems to control the power supply of various components, achieving energy saving and circuit protection.
15. Other Special Function Chips

• LMV321A-Q1 (automotive grade single-channel 5.5V 1MHz 4mV offset voltage rail-to-rail output operational amplifier): A special operational amplifier with rail-to-rail output that can adapt to a wider voltage range.
• TMUX1308A-Q1 (automotive grade 5V bidirectional 8:1 single-channel multiplexer with injected current control and 1.8V logic levels): Equipped with special injected current control functions, suitable for specific signal processing needs.
• ULQ2003A-Q1 (50V, 7-channel automotive grade Darlington transistor array): Can be used to drive loads with larger currents, such as automotive relays, solenoids, etc.