| Part number | SQ29071BTXQ |
|---|---|
| Channel(#) | 1 |
| Vin (min) (V) | 2.7 |
| Vin (max) (V) | 16 |
| Switching frequency (min)(kHz) | 480(RMODE=0Ω)/680(RMODE=30.1Ω)/880(RMODE=60.4Ω) |
| Switching frequency (max)(kHz) | 720(RMODE=0Ω)/920(RMODE=30.1Ω)/1120(RMODE=60.4Ω) |
| Vout (min) (V) | 0.6 |
| Vout (max) (V) | 5.5 |
| Iout (max) (A) | 20 |
| Vout2 (min)(V) | |
| Vout2 (max )(V) | |
| Iout2 (max)(A) | |
| Vref accuracy (±%) | ±1% |
| Vout accuracy(±%) | |
| Control mode | |
| Duty cycle (max)(%) | |
| Operation mode | |
| Iq (typ) (uA) | 650 |
| Features | |
| Package | QFN3×4-21 |
| Operating temperature range(°C) | -40°C to 125°C |
| Functional safety category |
Wide Input Voltage Range:
◦ 2.7V to 16V if VCC is Supplied by an External Source
◦ 3.6V to 16V if VCC is Supplied by Internal LDO
Internal 8.3mΩ Power Switch and 2.5mΩ Synchronous Rectifier
Accurate Feedback Setpoint: ±1% from -40°C to 125°C
Remote Sensing at Point of Load Side
Ultra-Fast Load Transient Response
Selectable 600kHz, 800kHz, and 1000kHz Switching Frequency
Selectable Automatic High Efficiency Discontinuous Operating Mode at Light Loads
Programmable Valley Current Limit
Reliable Built-In Protections:
◦ Automatic Recovery for Input Undervoltage (UVLO)
◦ Automatic Recovery for Output Undervoltage (UVP) and Overtemperature (OTP) Conditions
◦ Hiccup Mode after 32 Consecutive Cycles Valley Current Limit Protection
◦ Latch-Off for Output Overvoltage Condition(OVP)
◦ Cycle-by-Cycle Reverse, Valley, and Peak Current Limit(OCP)
Internal and Adjustable Soft-Start to Limit Inrush Current
Smooth Startup with Pre-Biased VOUT
Output Voltage Tracking
Output Sinking Mode
Power-Good Output Monitor for Undervoltage and Overvoltage
The SQ29071BTXQ is a high efficiency synchronous step-down DC-DC regulator that features internal power and synchronous rectifier switches, and is capable of delivering 20A continuous output current over a wide input voltage range from 2.7V to 16V. The output voltage is adjustable: ranging from 0.6V to 5.5V.
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
EVB_SQ29071BTXQ_1 is intended for evaluating 20A continuous, 16V input, 600kHz, 800kHz or 1000kHz synchronous Buck regulator.
| Title | Date |
|---|---|
| Automotive_Solutions_Q2_2026 | 2026-06-12 |
| Silergy_Catalog_Q2_2026 | 2026-06-12 |
