Bm5291 Ver 13 Schematic Verified

| Reference | Component | Value / Rating | Verified Notes | |-----------|-----------|----------------|----------------| | F1 | Fuse | 3.15A / 250V (Slow-blow) | Do not replace with fast-blow | | RV1 | Varistor | 14D471K (470V) | Check for cracks – common failure | | C5 | Bulk electrolytic | 100µF/450V (105°C) | Low ESR required (≤0.4Ω @ 100kHz) | | Q1 | Main MOSFET | FCPF800N80Z (800V, 7A) | Substitute: STP8N80K5 | | U1 | PWM controller | LD7535 (SOT-23-6) | Pin 1 = GND, Pin 6 = VCC | | R11 | Current sense | 0.33Ω / 2W (1% metal film) | Measure in-circuit with caution | | T1 primary | Inductance | 650µH ±10% (1kHz test) | Short turns cause no-start |

The BM5291 Ver 13 schematic is a complex document that outlines the internal architecture and components of the IC. The schematic reveals a highly integrated design, with multiple functional blocks and sub-systems working in tandem to provide a wide range of features and capabilities. bm5291 ver 13 schematic verified

: Disconnects the charging path when any cell reaches a typical threshold of | Reference | Component | Value / Rating

Communication peripherals

Are you following a specific or open-source project ? : By following the schematic, a technician can

: By following the schematic, a technician can trace a failure to a specific resistor, capacitor, or MOSFET that may be shorted or open. Voltage Verification