Products
Three product lines cover smart sensors, smart motor control SOCs and automotive power/driver devices — a complete sensing and control architecture qualified to AEC-Q100 Grade 0. Every device is labelled production, sampling, design or concept so you can judge the right time to design it in.
RJSENSE · Smart Sensors
Current sensing, position and angle, speed measurement and Hall switches — built to meet the accuracy, bandwidth and temperature demands of automotive powertrain and chassis systems.
Automotive-grade Linear Hall Current Sensor
Programmable sensitivity from 0.5 mV/G to 11.5 mV/G, 240 kHz bandwidth, 2.2 µs response and ±1% sensitivity error over the full temperature range — built for three-phase traction inverter current sensing.
Differential Hall Current Sensor
Differential Hall architecture with strong common-mode stray-field immunity. Pin-to-pin compatible with ACS724 / MLX91220 for traction inverter and power-supply current sensing.
TMR 3D Position / Angle Sensor
TMR tunnel-magnetoresistance analog output with highly sensitive 3D magnetic field detection for angle and position measurement. Pin-to-pin compatible with TDK TAS2143.
IMC / 3D Hall Position Sensor
IMC integrated magnetic concentrator plus vertical Hall technology, heterogeneously integrated for high-sensitivity measurement with on-chip algorithms delivering high-accuracy angle output.
Automotive-grade Vertical / Planar Hall Latch
3.3 V–24 V wide supply, 40 V load-dump and reverse-polarity protection, symmetric switching points producing a near-50% duty square wave — an ideal choice for motor commutation.
Programmable TPO Camshaft Position Sensor
Chopper-stabilized Hall with True Power-On (TPO) capability, supporting 5 kHz camshaft magnetic field detection. A single-chip integrated capacitor reduces BOM cost and PCB area.
Crankshaft / Transmission Speed Sensor
For crankshaft and transmission speed measurement, pin-to-pin compatible with TLE4929 / A19520, delivering highly reliable speed signals to the powertrain.
RJCONTROL · Smart Motor Control
For 500 W class motors such as electronic water pumps, oil pumps and cooling fans, integrating a 32-bit RISC32 MCU with a hardware algorithm accelerator.
Automotive-grade Smart Motor Control SoC (150 °C)
MCU + LDO + Pre-Driver + LIN PHY in one chip with a 32-bit RISC32 MCU at 48 MHz, matched to 500 W automotive water pumps and cooling fans.
Automotive-grade Smart Motor Control SoC (175 °C)
175 °C junction temperature version with 128 KB Flash with ECC, suited to 500 W automotive water and oil pumps mounted close to heat sources.
RJPOWER · Automotive Power & Driver
40 V / 60 V wide-input automotive LDOs and LIN RGB ambient-light driver SoCs with direct battery connection and ultra-low quiescent current for always-on systems.
150 mA, 40 V Ultra-low Quiescent Current Automotive LDO
3 V–40 V wide input with fixed 3.3 V / 5 V output, 5.5 µA typical quiescent current and 800 nA shutdown current — ideal for always-on systems connected directly to the battery.
150 / 300 / 450 mA, 60 V Ultra-low Quiescent Current Automotive LDO
3 V–60 V wide input with up to 45 V transient tolerance; fixed 1.8/2.5/3.3/5 V and adjustable 1.8 V–15 V outputs covering the current range of 12 V / 48 V systems.
LIN RGB Smart Ambient Light Driver SoC
MCU + high-voltage LDO + LIN transceiver + three 60 mA LED drivers in a single chip, with built-in color calibration and temperature compensation for ambient lighting.
Can’t find the right device?
RJMICRO can develop custom variants, optimizing chip performance and feature configuration for your specific scenario.