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SGM611A121

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I2C Controlled, 18V, 12A, High-Efficiency, Synchronous Buck Converter

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The SGM611A121 is a high-efficiency synchronous Buck converter with integrated power MOSFETs and an I2C control interface. It delivers up to 12A of output current and employs an adaptive hysteresis pseudo- constant on-time control (AHP-COT) architecture, which achieves both faster transient response and tighter output voltage regulation compared with conventional control architectures. 

In addition to standard mode and fast modes, the I2C interface supports 1Mbit/s fast-mode plus operation. The output voltage can be programmed via the I2C interface, with a reference voltage range of 0.6V to 1.108V and a 4mV adjustment step. Other configurable functions such as voltage slew rate, switching frequency, current-limiting threshold, OCP hiccup/ latch-off, OVP auto-recovery/latch-off, auto PSM/PWM and FPWM operating modes can also be set via I2C interface. An integrated 8-bit ADC is implemented to monitor output current and voltage in real time. 

The SGM611A121 is available in a Green TQFN-3×4-14L package.

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FEATURES
  • 2.85V to 18V Operating Input Voltage Range
  • Adjustable Output Voltage up to 5.5V
  • 12A Continuous Output Current
  • 15A Peak Output Current
  • 1% Internal Reference Voltage Accuracy
  • I2C-Programmable Internal Reference 0.600V to 1.108V in 4mV Steps
  • I2C-Programmable Voltage Slew Rate
  • I2C-Programmable Frequency and Current Limit
  • I2C-Programmable OCP Hiccup/Latch-Off
  • I2C-Programmable OVP Auto-Recovery/Latch-Off
  • I2C-Programmable Auto PSM/PWM and FPWM Modes
  • Four I2C Addresses Selected by A0 Pin
  • Adjustable Soft-Start Time
  • Open-Drain Power Good (PG)
  • Output/Input Over-Voltage Protection (OVP)
  • Output Over-Current Protection (OCP)
  • Integrated ADC for Output Voltage and Output Current Monitoring
  • Available in a Green TQFN-3×4-14L Package
APPLICATIONS

Enterprise SSDs
SoC, FPGA and DSP Cores
Networking/Severs
Industry Machines

Ordering Information
Part Number
StatusPackagePinsPd-Free
RoHS
REACH
Green
MSL RatingOperating Temperature RangeMaterial ContentReliability Report
Unit Resale Price*
(Volume Range: in USD)
Lead Time**
(Volume Range: Days)
SGM611A121XTXM14G/TR
Active
TQFN-3×4-14L
14
YES
YESYESYESMSL1
-40℃ to +125℃
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1-24 units : $2.45/unit
25-99 units : $2.1/unit
100-249 units : $1.75/unit
250-499 units : $1.4/unit
500-999 units : $1.225/unit
1000-9999 units : $0.91/unit
3K-9K : 14 days
10K-99K : 35 days
100K-999K : 70 days
1000K and above : 98 days

* The unit resale price is for reference purposes only. Please contact our distributors for a formal quotation.

** The lead time provided is for reference purposes only and is subject to change based on different circumstances.

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SG Micro Corp (SGMICRO) specializes in the development, manufacturing and sales of high-performance and high-reliability integrated circuits for analog signal conditioning and system power management, offering innovative solutions to a broad range of applications in the industrial, automotive, communication, computing, consumer electronics, and medical equipment markets.
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