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Automotive qualified products (AEC-Q100/Q101)

NEX90515-Q100

150 mA, 40 V ultra-low Iq (5.3 µA) low-dropout voltage regulator

The NEX90x15-Q100 device is a low-dropout (LDO) linear regulator designed for applications with input voltages of up to 40 V. It features a typical quiescent current (IQ) of only 5.3 μA at light load and a typical shutdown current (ISHUT) of 300 nA when disabled. This makes the device ideal for powering always-on components, such as microcontrollers (MCUs) and Controller Area Network (CAN) or Local Interconnect Network (LIN) transceivers in standby or CAN-wake systems.

In battery-powered automotive applications, low IQ and ISHUT are critical for saving energy and extending battery life. Always-on systems require ultra-low IQ across an extended temperature range to ensure sustained operation when the vehicle ignition is off. In CAN-wake systems or certain sleep modes, maintaining an ultralow ISHUT is essential to minimize battery consumption even when the system is in sleep or disabled mode.

The device features integrated protections for short circuit, over-current, and thermal shutdown. It operates within an ambient temperature range of -40 °C to 125 °C and a junction temperature range of -40 °C to 150 °C. Additionally, this device is available in an enhanced thermal package, HTSSOP8, wettable flank HWSON6 (DFN-6), and SOT23-5, SOT223-4.

Table 1. Device information
Part number Package Body size (nom)

NEX90515-Q100

HTSSOP8

3.0 mm x 3.0 mm

NEX90215-Q100

HWSON6

2.0 mm x 2.0 mm

NEX90015-Q100

SOT23-5

2.93 mm x 1.63 mm

SOT223-4

6.5 mm x 3.5 mm

Features and benefits

  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1 (Tamb): -40 °C to 125 °C
    • Junction temperature (TJ): -40 °C to 150 °C
  • Input voltage range: 3 V to 40 V (45 V transient)
  • Output voltage range: 3.3 V and 5 V (fixed)
  • Output voltage accuracy: ±2% (max)
  • Maximum output current: 150 mA
  • Low dropout voltage:
    • 230 mV typical at 150 mA (VOUT = 5 V)
  • Low quiescent current (IQ):
    • 5.3 µA typical at light loads
    • 300 nA typical shutdown current
  • Stable with a wide range of ceramic output-stability cap:
    • ESR from 0.001 Ω to 2 Ω; output cap of 1 µF to 220 µF
  • Integrated various fault protections:
    • Thermal shutdown
    • Short-circuit and over-current protection
  • Package options:
    • HTSSOP8, RθJA= 62.3 °C/W
    • HWSON6, RθJA= 66.7 °C/W
    • SOT23-5, RθJA= 181 °C/W
    • SOT223-4, RθJA= 66.6 °C/W

Applications

  • Body control modules (BCM)

  • Automotive lighting

  • Automotive head units & cluster

  • Telematics control units

  • EV/HEV power train

Figure 1. Typical application

Documentation (2)

File name Title Type Date
NEX90X15_Q100 150 mA, 40 V ultra-low Iq (5.3 µA) low-dropout voltage regulator Data sheet 2025-04-29
leaflet_NEX90530_Q100_linear_voltage_regulator LDO leaflet Leaflet 2025-01-13

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