Step-down controller solution delivers exceptionally high speed and low switching loss

The Texas Instruments’ TPS53626 device is a driverless, VR13 SVID compliant, synchronous buck controller. Advanced control features such as D-CAP+ architecture with overlapping pulse support undershoot reduction (USR) and overshoot reduction (OSR) provide fast transient response, lowest output capacitance and high efficiency. The device also supports single-phase operation in CCM or DCM for light-load efficiency boost. The device integrates a full set of VR13 I/O features including VR_READY (PGOOD), ALERT and VR_HOT. The SVID interface address allows programming from 00h to 07h. Adjustable control of VOUT slew rate can be programmed as high as 20mV/uS. Paired with the TI NexFET Power Stage, this total solution delivers exceptionally high speed and low switching loss. The also offers four default modes that configure VCCIO and VMCP settings with one single external resistor to save component count and board space. The device package is a space saving, thermally enhanced 32-pin VQFN package that operates from –40C to 105C.