NXP Semiconductors PCA9451A PMIC

The PCA9451A is a single chip power management IC designed to support i.MX 93x family processor in both 1 cell Li-Ion and Li-polymer battery portable application and 5 V adapter non-portable applications. The device provides six high efficiency step-down regulators, three LDOs, one 400 mA load switch, 2-channel level translator and 32.768 kHz crystal oscillator driver.

• 3 buck regulators support dynamic voltage scaling (DVS)1 along with programmable ramping up and down time.
• The buck regulators support remote sense to compensate IR drop.
• Op Temp range -40°C/105°C addressing industrial, extended industrial and consumer markets.

 
Key features

• 6x High-efficiency buck regulators
• 3x Lineal regulators (LDOs)
• Integrated I2C level translator
• Offered in HVQFN Package, 7 mm x 7 mm, 0.4 mm pitch, 56 pins

 
Additional features

• Six high-efficiency step down regulators
  • One 4 A dual phase buck regulator with DVS feature and remote sense
  • One 2 A buck regulator with DVS feature and remote sense
  • One 3 A buck regulator
  • One 2 A buck regulator
  • One 1.5 A buck regulator
     
• Three linear regulators
  • One low IQ 10 mA LDO
  • One 150 mA LDO
  • One 200 mA LDO
     
• Key features
  • 400 mA load switch with a built-in active discharge resistor
  • 32.768 kHz crystal oscillator driver and buffer output
     
• Product longevity program
  • This product is included in the NXP Product Longevity program, with assured supply for a minimum of 15 years after launch

 
Applications

• EV Charging station
• I/O control
• Industrial gateway
• Industrial HMI
• Machine vision and scanning
• Audio sound bar
• Energy grid equipment
• Energy meter
• Home security hub
• Smart doorbell
• Sensor hub
• Hue bridge

Available tools

• PCA9451A-EVK
  • https://www.nxp.com/webapp/Download?colCode=AN13698&appType=moderatedWithoutFAE