The SGM70276xQ is a highly-integrated ultra-compact power management device. It incorporates three Buck converters and a high PSRR low-dropout (LDO) regulator. Every Buck converter operates in a forced fixed-frequency PWM mode. The high-voltage Buck converter operates in an input voltage range from 4V to 18.5V. And the two low-voltage Buck converters operate in an input voltage range from 2.7V to 5V.
The device is AEC-Q100 qualified (Automotive Electronics Council (AEC) standard Q100 Grade 1) and it is suitable for automotive applications.
The SGM70276xQ is available in a Green TQFN-3×3-16GL package.
AEC-Q100 Qualified for Automotive Applications
Device Temperature Grade 1
TA = -40℃ to +125℃
- HVBuck1
- Input Voltage Range: 4V to 18.5V
- 2.7V to 5V Output Voltage Range
- Output Current up to 1.5A
- LVBuck2
- Input Voltage Range: 2.7V to 5V
- Fixed Output Voltage Versions: 0.75V to 1.5V with 50mV/Step
- Output Current up to 2A
- LVBuck3
- Input Voltage Range: 2.7V to 5V
- Fixed Output Voltage Versions: 1.7V to 1.9V with 100mV/Step
- Output Current up to 750mA
- Low Dropout Regulator (LDO)
- Input Voltage Range: 2.7V to 5V
- Output Current up to 300mA
- 10 Flexible Output Voltage Settings via External Resistor
- High PSRR:
- 72dB at 1kHz
- 60dB at 100kHz
- 39dB at 1MHz
- Three Buck Converters:
- Peak Current Mode PWM Operation
- Fixed 2.1MHz Switching Frequency
- Integrated Phase Shift and Frequency Dithering for EMI Suppression
- Pins Related to LVBuck2/LVBuck3 Allowable Floating if Channel Unused
- 10 Configurable Power Sequences via SEQ Pin
- SEQOUT for External Power IC Sequence Control (SGM70276AxQ)
- PG for Power Status Indication (SGM70276BxQ)
- Available in a Green TQFN-3×3-16GL Package
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