STNRG328STR

STNRG328STR

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STNRG328S

Digital controller for STC/HSTC topologies

Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTray
RoHs compliantEcopack2
GradeIndustrial
Package NameVFQFPN 32 5x5x1.0 mm

The STNRG328S is a digital controller for STC/HSTC open loop resonant converter from STMicroelectronics. It performs a power conversion from an input voltage in a typical range of 40 V to 60 V to an output voltage with a programmable conversion ratio from 2:1 to 10:1 with fixed duty cycle and...
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Key features
  • Digital controller for STC/HSTC topologies
  • Support wide conversion ratio from 2:1 to 10:1 to provide several Vout
  • State Machine Event Driven (SMED) to implement key control features:
    • Current limit in combination with Hot swap controller
    • Operating input voltage window
    • Conversion ratio control
    • PWM frequency and deadtime management to guarantee ZCD function
    • Soft-start control
    • Driver management
    • Temperature control
  • Typical application: Server DC/DC intermediate bus generation from 40 V to 60 V input voltage, 200 W to 2 kW output power range
  • Peripherals
    • 10-bit ADC
    • UART interface
    • I2C master fast/slow speed rate
    • GPIOs
  • Memory
    • Flash and EEPROM with read-while-write (RWW) and Error Correction Code (ECC)
    • Program memory: 32 Kbytes Flash; data retention: 20 years at 55 °C after 1000 cycles at 55 °C
    • Data memory: 1 Kbyte true data EEPROM; data retention: 20 years at 55°C after 1000 cycles at 85 °C
    • RAM: 6 Kbytes
  • Operating temperature: -40 °C up to 105 °C
  • Package: VFQFPN32 5x5 mm
In stock
Quantity $ per unit Savings
1-9$5.920%
10$5.3510%
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$5.92
$5.92
Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTray
RoHs compliantEcopack2
GradeIndustrial
Package NameVFQFPN 32 5x5x1.0 mm

The STNRG328S is a digital controller for STC/HSTC open loop resonant converter from STMicroelectronics. It performs a power conversion from an input voltage in a typical range of 40 V to 60 V to an output voltage with a programmable conversion ratio from 2:1 to 10:1 with fixed duty cycle and...
Read More

Key features
  • Digital controller for STC/HSTC topologies
  • Support wide conversion ratio from 2:1 to 10:1 to provide several Vout
  • State Machine Event Driven (SMED) to implement key control features:
    • Current limit in combination with Hot swap controller
    • Operating input voltage window
    • Conversion ratio control
    • PWM frequency and deadtime management to guarantee ZCD function
    • Soft-start control
    • Driver management
    • Temperature control
  • Typical application: Server DC/DC intermediate bus generation from 40 V to 60 V input voltage, 200 W to 2 kW output power range
  • Peripherals
    • 10-bit ADC
    • UART interface
    • I2C master fast/slow speed rate
    • GPIOs
  • Memory
    • Flash and EEPROM with read-while-write (RWW) and Error Correction Code (ECC)
    • Program memory: 32 Kbytes Flash; data retention: 20 years at 55 °C after 1000 cycles at 55 °C
    • Data memory: 1 Kbyte true data EEPROM; data retention: 20 years at 55°C after 1000 cycles at 85 °C
    • RAM: 6 Kbytes
  • Operating temperature: -40 °C up to 105 °C
  • Package: VFQFPN32 5x5 mm