• 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