6 total ports (typically 4 standard USB-A and 2 QC 3.0 or PD interfaces depending on the specific sub-model). Input: AC 100-240V wide-range voltage. Standard Port Output: 5V / 2.4A max per port. Fast Charge (QC 3.0): 5V/3.4A, 9V/2A, 12V/1.5A.
Here is the signal flow – no actual image, but a verbal schematic you can follow: wlx-896b schematic
AC Input (100-240V) │ ▼ EMI Filter (common mode choke + X-cap) │ ▼ Bridge Rectifier (4x 1N4007 or a single GBU806) │ ▼ Bulk Capacitor (100-150µF / 400V) │ ▼ Transformer Primary ──┤├── FET (7N60) ──┬── Current sense resistor (0.22Ω) │ │ └── RCD snubber ───┘ │ └── Vcc winding ──▶ UC3842 (pin 7) 6 total ports (typically 4 standard USB-A and 2 QC 3
But we’re not most people. Today, we’re tracing the board, mapping the schematic, and figuring out how this budget workhorse actually ticks. Fast Charge (QC 3