SY26663XBQ (SQ29663XBQ)

16V/70A Integrated Power Stage Dr. MOS

Part number	SY26663XBQ
Vin (min) (V)	5
Vin (max) (V)	16
Vcc (V)	5
VDRV voltage (V)	5
Iout (max) (A)	70
IMON accuracy (±%)	5
Switching frequency (max)(kHz)	250
Switching frequency (min)(kHz)	1000
Features	Cycle-by-cycle current limit
Package	QFN5×6-41
Operating temperature range(°C)	-40 to 125
Functional safety category

70A Output Current Capability
Integrated Driver and Power MOSFET
VDRV/VCC/VBST/VIN UVLO
Provide Pre-OVP protection via VOS Pin
Support Switching Frequency up to 1.0MHz
3.3V/5V PWM Input Compatible with Tri-state Logic
Integrated 5mV/A Current Sensing and Accurate Inductor Current Report
Integrated 8mV/°C Temperature Monitor and Report
Provide OTP with Fault Flag
Cycle by Cycle Peak Current Protection with Fault Flag and Negative Over Current Protection
Programmable Threshold for Peak Current and Valley Current Protection
Switching-node Short Circuit Protection with Fault Flag
Auto Refresh for VBST Power Supply in Tri-state
Package: QFN5×6-4

EVB_SY26663XBQ

The DB_SY26613QDQ+SY26663XBQ_1 is intended for evaluating 12V, 500kHz, 60A continuous synchronous Buck regulator.

Title	Date
Silergy_Catalog_Q2_2026	2026-06-12