Seat position, heating & cooling module

Power Supply

This subsystem supplies power to the MCU, communication interface (depends on the interface type), analog signal chain and sensors.

Products

Linear & low-dropout (LDO) regulators

TPS7B68-Q1—Automotive 500-mA, off-battery (40-V), high-PSRR, low-IQ, low-dropout voltage regulator with WD

TPS7B63-Q1—Automotive 300-mA, off-battery (40-V), high-PSRR, low-IQ, low-dropout voltage regulator

TPS7B82-Q1—Automotive 300-mA, off-battery (40-V), ultra-low-IQ LDO with enable in AEC-Q100 Grade-0 and Grade-1

Buck converters (integrated switch)

LMR50410-Q1—Automotive qualified SIMPLE SWITCHER 4-V to 36-V, 1-A synchronous step-down converter

Motor driver

A power seat can have a number of position adjustments. Each of these adjustments is enabled using a DC motor. In addition, the seat fan also uses DC motors.

Products

Brushed DC (BDC) motor drivers

DRV8718-Q1—Automotive 40-V, 8-channel half-bridge smart gate driver with inline current sense amplifier

DRV8714-Q1—Automotive 40-V, four-channel half-bridge smart gate driver with inline current sense amplifier

DRV8703-Q1—Automotive 47-V H-bridge smart gate driver with SPI control

DRV8873-Q1—Automotive 40-V, 10-A H-bridge motor driver with integrated current sensing & feedback

High-side switches

TPS1HB08-Q1—40-V, 8-mΩ, 1-ch automotive smart high-side switch with adjustable current limit

TPS2H160-Q1—40-V, 160-mΩ, 2-ch automotive smart high-side switch with adjustable current limit

General-purpose op amps

LM2904B-Q1—Automotive-grade, dual, 36-V, 1.2-MHz operational amplifier with -40°C to 125°C operation

LM2904LV-Q1—Automotive-grade, dual, 5.5-V, 1-MHz, 3-mV offset voltage operational amplifier

Analog switches & muxes

SN74LV4051A-Q1—Automotive 5-V, 8:1, 1-channel general-purpose analog multiplexer

Heater driver

A power seat may include the ability to heat the seat for passenger comfort.

Products

High-side switches

TPS1HB08-Q1—40-V, 8-mΩ, 1-ch automotive smart high-side switch with adjustable current limit

TPS2H160-Q1—40-V, 160-mΩ, 2-ch automotive smart high-side switch with adjustable current limit

Light driver

A power seat may include lights to illuminate the footwell. The light could be an incandescent bulb or an Light Emitting Diode (LED).

Products

High-side switches

TPS1HB08-Q1—40-V, 8-mΩ, 1-ch automotive smart high-side switch with adjustable current limit

TPS2H160-Q1—40-V, 160-mΩ, 2-ch automotive smart high-side switch with adjustable current limit

Position feedback

Position sensors provide feedback on the motion of the motor and mechanism.

Products

Hall-effect latches & switches

DRV5013-Q1—Automotive, high voltage (up to 38V), high bandwidth (30-kHz) Hall effect latch

Temperature feedback

Temperature feedback enables stable control of the heated seat.

Products

Analog temperature sensors

LMT84-Q1—Automotive Grade, 1.5V-Capable,10 uA Analog Output Temperature Sensor

Lansheng Technology Limited, which is a spot stock distributor of many well-known brands, we have price advantage of the first-hand spot channel, and have technical supports.

Our main brands: STMicroelectronics, Toshiba, Microchip, Vishay, Marvell, ON Semiconductor, AOS, DIODES, Murata, Samsung, Hyundai/Hynix, Xilinx, Micron, Infinone, Texas Instruments, ADI, Maxim Integrated, NXP, etc

To learn more about our products, services, and capabilities, please visit our website at https://www.lanshengic.com