| Part number | SA61931QCA |
|---|---|
| Vin (max) (V) | 4.5 |
| Vin (min) (V) | 40 |
| Absolute max Vin (max) (V) | |
| Number of series cells | |
| Charge voltage (max) (V) | |
| Charge voltage (min) (V) | |
| Charge current (max) (A) | |
| Charge current (min) (A) | |
| Integrated FETs(Yes/No) | |
| Topology | |
| Control interface | |
| Features | QC3.0, DCP, 18W |
| Operating temperature range(°C) | -40 to 125 |
| Package | QFN4x4 24 |
· 4.5-40V Wide Input Voltage Range
· Build in Low RDS(ON) Power Switches
· 60-400kHz Programmable Switching Frequency
· Cable Voltage Drop Compensation
· Output Constant Current Limit
· Maximum 5V/3A Output Power
· Maximum 9V/2A Output Power
· Maximum 12V/1.5A Output Power
· Integrated Soft-start and Compensation
· Hiccup Mode During Output Short
· Input Voltage UVLO and OVP
· Output Over Voltage Protection
· Thermal Shutdown Protection
· Output Apple-divide Mode, DCP and QC3.0 Handshaking
· QC 3.0 Certificate
· 8kV ESD HBM Protection on DP and DM
· AEC-Q100 Grade1 Automotive Qualified
· RoHS Compliant and Halogen Free
· Compact Package: QFN4x4-24
The SA61931 is a 4.5-40V wide input voltage range step-down regulator designed to charge the portable device. The integrated QC3.0 handshaking and Apple device auto-detection are adopted to maximize the output power and minimize the portable device charging time. The SA61931 runs in quick-charge power supply mode with output power capability up to 18W.
The SA61931 is available in QFN4x4 package to minimize the PCB layout size for limited size applications.
| Title | Date |
|---|---|
| DS_SA61931 Datasheet | 2026-11-11 |
| Automotive_Solutions_Q3_2026 | 2026-11-04 |
