Overview
The FDMF6821B is an intelligent Power Module made by onsemi in a PQFN-40-EP(6x6) package with 43 pins. 欠压锁定带迟滞、Thermal Protection、带使能 PQFN-40-EP(6x6) Intelligent Power Modules (IPM) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:FDMF6821B, from EasyEDA) and its footprint (EasyEDA_Cloud:PQFN40_L6.0-W6.0-P0.50-BL-EP_FDMF6823C, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C891023).
Symbol
Footprint
Parameters
8- Current - Continuous Drain(Id)
- 55A
- Features
- Undervoltage lockout with hysteresis, Thermal Protection, With enable
- Length
- 6mm
- Operating temperature
- -40℃~+125℃
- Quiescent Current(Iq)
- 2mA
- Type
- MOSFET
- Voltage - Supply
- 4.5V~5.5V
- Width
- 6mm
Order codes
1- FDMF6821BLCSC C891023
Pinout
43| Pin | Name | Type |
|---|---|---|
| 1 | SMOD# | Unspecified |
| 2 | VCIN | Unspecified |
| 3 | VDRV | Unspecified |
| 4 | BOOT | Unspecified |
| 5 | CGND | Unspecified |
| 6 | GH | Unspecified |
| 7 | PHASE | Unspecified |
| 8 | NC | Unspecified |
| 9 | VIN | Unspecified |
| 10 | VIN | Unspecified |
| 11 | VIN | Unspecified |
| 12 | VIN | Unspecified |
| 13 | VIN | Unspecified |
| 14 | VIN | Unspecified |
| 15 | VSWH | Unspecified |
| 16 | PGND | Unspecified |
| 17 | PGND | Unspecified |
| 18 | PGND | Unspecified |
| 19 | PGND | Unspecified |
| 20 | PGND | Unspecified |
| 21 | PGND | Unspecified |
| 22 | PGND | Unspecified |
| 23 | PGND | Unspecified |
| 24 | PGND | Unspecified |
| 25 | PGND | Unspecified |
| 26 | PGND | Unspecified |
| 27 | PGND | Unspecified |
| 28 | PGND | Unspecified |
| 29 | VSWH | Unspecified |
| 30 | VSWH | Unspecified |
| 31 | VSWH | Unspecified |
| 32 | VSWH | Unspecified |
| 33 | VSWH | Unspecified |
| 34 | VSWH | Unspecified |
| 35 | VSWH | Unspecified |
| 36 | GL | Unspecified |
| 37 | CGND | Unspecified |
| 38 | THWN# | Unspecified |
| 39 | DISB# | Unspecified |
| 40 | PWM | Unspecified |
| 41 | CGND | Unspecified |
| 42 | VIN | Unspecified |
| 43 | VSWH | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/onsemi/FDMF6821B" title="FDMF6821B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/FDMF6821B.jpg" alt="FDMF6821B" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/FDMF6821B)Questions
Is there a KiCad symbol and footprint for the FDMF6821B?
Yes. The symbol is EasyEDA_Cloud:FDMF6821B and the footprint EasyEDA_Cloud:PQFN40_L6.0-W6.0-P0.50-BL-EP_FDMF6823C, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the FDMF6821B?
PQFN-40-EP(6x6), with 43 pins. Its footprint is drawn on this page.
Where is the FDMF6821B datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the FDMF6821B?
JLCPCB lists it as part C891023, with 0 in stock; the sellers' links on this page open their listings.
What can replace the FDMF6821B?
Parts like it in the library: the FDMF6823A by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
