ABLIC Inc. launched the 500mA/1000mA S-19213/4 Series of LDO regulators. The S-19213/4 Series of automotive LDO regulators combine ultra-low self-current consumption with high output current. The new series features a 36V (45V rating) input, 1.8V to 30V output, 5.0µA self-current consumption.
The LDO regulators operate at up to 125℃. S-19213 features 500mA output current, and S-19214 provides 1000mA output current. (See image above of chart describing CMOS voltage regulator for automotive use S-19213/4. The device is a 36V pressure-resistant voltage regulator that combines industries lowest current consumption–based on research as of June 2019–with high output current).
The LDO regulators can be used for constant-voltage power supplies for electrical applications for vehicle interior as well as for other automotive applications including engine, transmission, suspension, ABS, and other devices.
Ultra-low self-current consumption in standby mode helps reduce standby current.
Also, high-power dissipation during operation enables the supply of high output current.
The S-19213/4 Series is undergoing compliance testing for AEC-Q100 automotive IC quality standard, and the series complies with the Production Part Approval Process (PPAP).
ABLIC points out that the increased multi-functionality and electrification of the automobile has resulted in a steady increase in the number of ECUs in automobiles. Therefore, according to ABLIC, it is essential to lower not only the current consumption of microcontrollers but also the self-current consumption of the power-supply ICs to reduce the standby current.
Other factors including the multi-functionality of microcontrollers, mean the units demand an ever-increasing amount of current to operate.
ABLIC says that the S-19213/4 Series will serve to lower ECU standby current by balancing the conflicting needs of low self-current consumption and high output current.
The 36V input/45V rating of the regulators with ultra-low self-current consumption of 5.0µA enables direct connection to a battery. An external adjustment pin enables flexible output voltage settings between 1.8V to 30V.
The S-19213/4 Series has been subjected to the three-temperature test (low, normal and high temperature). The company says it will comply with the AEC-Q100 reliability and quality test defined by the Automotive Electronics Council (AEC).
- Output voltage (internally set): 1.8V, 3.0V, 3.3V, 5.0V, 8.0V, 12.0V
- Output voltage (externally set): 1.8V to 30.0V, settable via external resistor
- Input voltage: 2.8V to 36.0V
- Output voltage accuracy: ±1.5% (Tj = −40°C to +125°C)
- Current consumption: During operation: 5.0µA typ., 9.8µA max. (Tj = −40°C to +125°C)
- During power-off: 0.1µA typ., 2.0µA max. (Tj = −40°C to +125°C)
- Output current: Possible to output 500 mA (at VIN ≥ VOUT(S) + 1.0V)
- Input and output capacitors: A ceramic capacitor can be used. (1.0μF or more)
- Built-in overcurrent protection circuit: Limits overcurrent of output transistor.
- Built-in thermal shutdown circuit: Detection temperature 170°C typ.
- Built-in ON / OFF circuit: Ensures long battery life.
- Discharge shunt function is available.
- Pull-down function is available.
- Operation temperature range: Ta = −40°C to +125°C
- Lead-free (Sn 100%), halogen-free
- Withstand 45V load dump
- AEC-Q100 in process