Functional Safety PMICs

Automotive Multi-Output Regulator with Buck/Buck-Boost Pre-Regulator, LDOs, Gate Drivers, and SPI

A81407

Markets Served

The A81407 integrates a buck/buck-boost pre-regulator, multiple LDO regulators, gate drivers, and SPI control for comprehensive power management and control of external switched loads in automotive and industrial applications.

Product Details

Top Features

  • A2-SIL™ pending—device features for safety-critical systems
  • Automotive AEC-Q100 qualified
  • Wide input voltage range, 3.8 to 36 VIN operating range,40 VIN maximum
  • 2.2 MHz buck or buck/boost pre-regulator (VREG: 5.35 V) with low EMI frequency dithering
  • Four internal linear regulators with foldback short-circuit protection
  • OV and UV protection for all output rails provide the ability to monitor health of outputs
  • Pulse Width Watchdog (PWWD), Window Watchdog (WWD), and Q&A Watchdog (QAWD)
  • Floating gate drivers (with charge pumps) for external switched load control

Part Number Specifications and Availability

View Full Specification Details

A81407KLVATR

operating_input_voltage_min_v
3.8
operating_input_voltage_max_v
36
topology
Buck-Boost, LDO
temperature
-40°C to 150°C
package
38-Pin eTSSOP

A81407KLVATR-1

operating_input_voltage_min_v
3.8
operating_input_voltage_max_v
36
topology
Buck-Boost, LDO
temperature
-40°C to 150°C
package
38-Pin eTSSOP

Design Tools

Technical Documentation