| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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7,386 pcs
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7386 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Accuracy | |
| Applications | |
| Automotive Grade | |
| Mounting Type | |
| Operating Temperature | |
| Supplier Device Package | |
| Voltage |
The Texas Instruments O3854AQDCARQ1 is a specialized multi-rail power supply IC designed for safety-relevant automotive and industrial applications. It supports microcontrollers and provides multiple regulated voltage rails from a wide input voltage range of 2.3V to 36V.
Key features include a 6-V synchronous buck-boost preregulator, multiple LDOs for MCU and peripherals, and dedicated sensor supply outputs. The device is AEC-Q100 qualified, ensuring reliability in demanding automotive environments. It also incorporates extensive monitoring and protection features, including undervoltage and overvoltage monitoring on all outputs, current limiting, and overtemperature shutdown.
Designed for functional safety applications, it supports ISO 26262 system design up to ASIL D. The IC includes a microcontroller interface with watchdog functions, diagnostic capabilities, and a SAFE state for system protection. It is available in a 48-HTSSOP package with an exposed pad for enhanced thermal performance.
This power supply IC is suitable for applications requiring robust power management and functional safety compliance, such as advanced driver-assistance systems (ADAS), powertrain control, and industrial automation systems.
| Qty | Low | High |
|---|---|---|
| 1+ | $3.61 | $3.61 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is 2.3V to 36V, with full functionality after initial battery power-up requiring 4V to 36V, and initial battery power-up requiring 7V to 36V.
The device provides a 6V synchronous buck-boost output, a 5V LDO at 285mA for CAN/peripherals, a configurable 3.3V/350mA or 5V/500mA LDO for MCU, a 5V LDO with 1% accuracy at 20-120mA for ADC reference, and two sensor supply LDOs at 120mA and 20mA.
The typical switching frequency is 2MHz, with a maximum of 2.1MHz.
The operating temperature range is -40°C to 125°C (Grade 1).
The O3854AQDCARQ1 is available in a 48-HTSSOP package or a 48-TFSOP (0.240", 6.10mm Width) exposed pad package, both surface mount.
The MCU LDO can supply 350mA at 3.3V or 500mA at 5V, depending on the variant (TPS653853A-Q1 or TPS653854A-Q1).