• Bidirectional buck, boost, and buck-boost operation
• Configurable for 4-switch buck-boost or 2-switch
buck operation
• Input voltage range: 3.8V to 23V (no dead zone)
• Output voltage: up to 21V
• Up to 1MHz switching frequency
• Pin programmable soft-start time
• LDO output for VDD and VDDP
• System FAULT status ALERT function
• Input/output internal discharge function
• Active switching for negative voltage transitions
• Pass Through mode in both directions
• Forward and Reverse mode enable pins
• OCP, OVP, UVP, and OTP protection
• Absolute overvoltage protection
• SMBus and auto-increment I2C compatible
• Pb-free (RoHS compliant)
• 32 Ld 4x4 TQFN package
• UL 2367, IEC 62368-1: File No. E520109