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SY21196ARAC (SY8106ARAC)

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High Efficiency, Fast Response, 6A, 18V Input Synchronous Buck with I2C Interface
Datasheet
SY21196ARAC High Efficiency, Fast Response, 6A, 18V Input Synchronous Buck with I2C Interface Datasheet
Part number SY21196ARAC
Channel(#)
Vin (min) (V) 4.5
Vin (max) (V) 18
Switching frequency (min)(kHz)
Switching frequency (max)(kHz)
Vout (min) (V) 0.6
Vout (max) (V)
Iout (max) (A) 6
Vout2 (min)(V)
Vout2 (max )(V)
Iout2 (max)(A)
Vref accuracy (±%) ±1%
Vout accuracy(±%)
Control mode
Duty cycle (max)(%)
Operation mode
Iq (typ) (uA)
Features Power Good Indicator, DAC: 10mV lsb, default 0.68Vout
Package QFN3x3-20
Operating temperature range(°C)
Functional safety category

  •              4.5V to 18V Input Voltage Range
  •              6A Synchronous Buck Regulator:

               o   Low RDS(ON) for Internal Switches (Top FET/Bottom FET): 50/15 MΩ

               o   6.0A Output Current Capability

               o   Instant PWM Architecture to Achieve Fast Transient Responses

               o   200kHz to 1MHz Programmable Switching Frequency

               o   I2C Programmable Output Voltage with Initial Voltage Setting By Resistor Divider

               o   0.6V+/-1% Feedback Reference Voltage

               o   Enable Control

               o   Power Good Indicator

               o   Adjustable Soft-Start Time

               o   PSM Mode at Light Load For High Efficiency

               o   Cycle-By-Cycle Current Limit Protection

               o   Hic-Cup Mode Output Short Circuit Protection

               o   Hic-Cup Mode Output Over Voltage Protection

  •          I2C Compatible Interface:

              o   Supports 100khz Standard Mode and 400khz Fast Mode

              o   7-Bits VID Programmable Output Voltage From 0.68V To 1.95V With 10mv/Step

              o   VID Voltage Transition Slew Rate Control

              o   Power Good Status Read Back

              o   Over Temperature Warning Read Back

              o   ON/OFF Control

  •             Thermal Shutdown with Auto Recovery
  •              Input UVLO
  •              RoHS Compliant and Halogen Free
  •              Compact Package: QFN3x3-20

Evaluation Board

  • 21196A-1

    Photo of evaluation board

  • 21196A-2

    Photo of evaluation board

  • 21196A-3

    Photo of evaluation board

  • 21196A-4

    Photo of evaluation board

  • 21196A-5

    Photo of evaluation board

EVB_SY21196ARAC

The EVB_SY21196ARAC is intended for evaluating 18V input, 6A synchronous step down regulator with I2C Interface.

Technical Documentation

Title Date
Silergy_Catalog_Q3_2026 2026-11-04