E-shifter actuator

Industry News 2024-02-22

Input protection

Reverse battery and overvoltage protection are the key functions to prevent the wrong polarity connection of the battery and over voltage events from the battery and external sources. Protection stage protects the downstream circuitry from being damaged due to these effects.


Ideal diode/ORing controllers

LM5050-1-Q1—Automotive, 5-V to 75-V 400-uA IQ ORing FET controller

LM74610-Q1—0.48-V to 42-V, zero IQ automotive ideal diode controller

System basis chip (SBC)

A system basis chip is a high performance power supply controller that integrates digital interfaces, watchdogs and other diagnostic features. Usually buck, four-switch buck-boost or boost topologies are used. It has fixed and variable LDOs to support variable MCUs and other peripherals on board.


Multi-channel ICs (PMICs)

TPS653851A-Q1—Functional safety-compliant multi-rail power supply for safety MCUs for Q100 grade-0 applications

TPS65381A-Q1—Multi-rail power supply (PMIC) for microcontrollers in safety applications

Supervisor & reset ICs

TPS36-Q1—Automotive, nano-quiescent-current, precision supervisor with window-watchdog timer

TLV803—3-pin voltage supervisor (reset IC) with active-low & open-drain reset

Linear & low-dropout (LDO) regulators

TPS7B81-Q1—Automotive 150-mA, off-battery (40-V), ultra-low-IQ, low-dropout voltage regulator with enable

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

TPS7B7702-Q1—Automotive 300-mA, off-battery (40-V), dual-channel adjustable antenna low-dropout voltage regulator

TPS7A16-Q1—Automotive, 100-mA, 60-V, ultra-low-IQ, low-dropout voltage regulator with power good and enable

TLV700XX-Q1—Automotive 200-mA, high-PSRR, low-IQ, low-dropout voltage regulator

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

Boost controllers (external switch)

LM5155-Q1—2.2-MHz wide VIN, 1.5-A MOSFET driver, non-synchronous boost controller, AEC-Q100 qualified

LM5156-Q1—2.2-MHz wide VIN nonsynchronous boost, flyback, & SEPIC controller with dual random spread spectrum

TPS40210-Q1—4.5-V to 52-V wide input range current mode boost controller with 700-mV reference voltage

Shunt voltage references

TL431-Q1—Automotive adjustable precision shunt regulator (pin layout: KRA)

TL431LI-Q1—Automotive, adjustable, precision shunt regulator with optimized reference current

TL431—Adjustable precision shunt regulator

TL432—Adjustable precision shunt regulator (reverse pinout)

LM4040—Fixed voltage, 45-µA, precision micropower shunt voltage reference

Buck converters (integrated switch)

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

LM53600-Q1—Automotive 3.5-V to 36-V, 650-mA synchronous 2.1-MHz step-down converter

Temperature sensor

The temperature sensor on the TCU board monitors the temperature of peripherals on board for compensation and control algorithms.


Analog temperature sensors

LMT87-Q1—Automotive ±2.7°C 2.7V to 5.5V analog output temperature sensor with -13.6 mV/°C gain

LMT86-Q1—Automotive Grade, 2.2V-Capable, 10 uA Analog Output Temperature Sensor

LED driver

A constant current regulator based LED driver is used to illuminate indications.


Automotive LED drivers

TPIC6C596—Automotive 8-bit shift register

Digital processing

Digital processing is a control system which takes inputs from different types of sensors. Based on the sensory information, it control several motors, solenoids and other peripherals.


Arm Cortex-M0+ MCUs

MSPM0G3107-Q1—Automotive, 80-Mhz Arm® Cortex®-M0+ MCU with 128-KB flash, 32-KB SRAM, 12-bit ADC, CAN-FD and LIN

Arm Cortex-R MCUs

TMS570LS0432—16/32 Bit RISC Flash MCU, Arm Cortex-R4, Auto Q-100

Wired interface

A CAN / LIN interface connects the control unit with other systems on board.


ESD protection diodes

ESD2CAN24-Q1—Automotive, dual, 3-pF, ±24-V, ±30-kV ESD protection diode for in-vehicle networks

TPD4E001-Q1—Automotive Quad 1.5-pF, 5.5-V, ±8-kV ESD protection diode with VCC pin for USB 2.0


Overvolatge protection is installed at the FET stages to account for the clamped levels.


High-side switches

TPS1H200A-Q1—40-V, 200-mΩ, 1-ch automotive smart high-side switch with adjustable current limit

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

TPS1HA08-Q1—40-V, 8-mΩ, 1-ch automotive smart high-side switch with selectable current Limit

Power stage

The 3-phase FET gate driver drives the external or internal FET stages offers advanced features like programmable gate drive current to lower EMI and advanced protection against short-circuit and build-in current sense amplifiers.


BLDC drivers

DRV3233-Q1—Automotive 12-V and 24-V battery 3-phase gate driver unit with accurate current sensing

DRV3245Q-Q1—Automotive grade 1 12-V battery 3-phase gate driver unit with accurate current sensing & enhanced pr

DRV3245E-Q1—Automotive grade 0 12-V battery 3-phase gate driver unit with accurate current sensing & enhanced pr

DRV8305-Q1—Automotive 12-V battery 3-phase smart gate driver (grade 0 & grade 1)

Brushed DC (BDC) motor drivers

DRV8242-Q1—Automotive, 40-V 6-A H-bridge driver with integrated current sensing and feedback

DRV8245-Q1—Automotive 40-V, 32-A H-Bridge driver with integrated current sensing and feedback

DRV8801A-Q1—Automotive 40-V, 2.8-A H-bridge motor driver with current feedback with wettable flank QFN packag

DRV8244-Q1—Automotive 40-V, 21-A H-Bridge driver with integrated current sensing and feedback

DRV8706-Q1—Automotive 40-V H-bridge smart gate driver with offline diagnostics & inline current sense am

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

Current sense

The current sense is used to monitor magnitude and direction of the current flow into the motor in order to control speed, torque and direction of the motor. The voltage sense circuitry is used to monitor the DC bus voltage seen by the motor windings.


General-purpose op amps

TLV9151-Q1—Automotive 16-V, 1-channel 4.5-MHz, rail-to-rail in/output, low offset voltage, low-noise op amp

TLV9351-Q1—Automotive single-channel 3.5-MHz, 40-V, RRO, MUX-friendly op amp

TLV9152-Q1—Automotive, dual, 16-V 4.5-MHz low-power operational amplifier

TLV9301—Single, 40-V, 1-MHz, low-power operational amplifier

OPA991—Single, 40-V 4.5-MHz low-power operational amplifier

High-speed op amps (GBW ≥ 50 MHz)

OPA365-Q1—Automotive 2.2V, 50MHz, Low-Noise, Single-Supply Rail-to-Rail Operational Amplifier

OPA2365-Q1—Automotive 2.2V, 50MHz, Low-Noise Single-Supply Rail-to-Rail Operational Amplifiers


LM2903B—Dual industrial grade standard comparator

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